MICHIGAN SNOWFALL STATISTICS; FIRST 1-, 3-, 6-, 12-Inch DEPTHS
VERTICAL Pft.6 t*A2£ QSjmm UBiAtY
MICHIGAN DEPARTMENT OF AGRICULTURE
MICHIGAN WEATHER SERVICE
Cooperating With
ESSA-State Climatologist Agricultural Engineering Department U.S. Department of Commerce Michigan State University
June 1968 May 1974 Second Printing MICHIGAN SNOWFALL STATISTICS; FIRST 1-, 3-, 6-, 12-Inch DEPTHS
Norton D. Strommen State Climatologist Environmental Science Services Administration Director, Michigan Weather Service
MICHIGAN DEPARTMENT OF AGRICULTURE MICHIGAN WEATHER SERVICE
Cooperating With
ESSA-State Climatologist Agricultural Engineering Department U.S. Department of Commerce Michigan State University
June 1968 May 1974 Second Printing
Cover Photo - courtesy USDA-Soil Conservation Service TABLE OF CONTENTS
Page
Introduction ...... 1
D a t a ...... ^
Procedure...... 4
Results and Discussion ...... 5
Figure 1, Earliest 1-inch Snow D e p t h...... 7
2, Mean Date, First 1-inch Snow Depth . . . 8
3, Mean Date, First 3-inch Snow Depth . . . 9
4, Percentage Years with 6-inch Snow Depth. 12
5, Mean Date, First 6-inch Snow Depth . . . 13
6, Percentage Years with 12-inch Snow Depth 14
7, Mean Date, First 12-inch Snow Depth. . . lb
Probability Tables for Stations in —
West Upper Michigan...... 16
East Upper Michigan...... 17
Northwest Lower Michigan...... 18
Northeast Lower Michigan...... 19
West Central Lower Michigan ...... 21
Central Lower Michigan...... 21
East Central Lower Michigan ...... 22
Southwest Lower Michigan...... 23
South Central Lower Michigan...... 24
Southeast Lower Michigan...... 2§
Appendix A Index and Description of Stations. . 27 INTRODUCTION
Early season snowfall often creates special problems when
preparations for the winter season have not been completed.
The first snowfall of the season for Michigan, on the average,
arrives five weeks earlier in the western section of the Upper
Peninsula than it does in the southeastern portion of the
Lower Peninsula. Preparations for the winter snow season may
take only a few minutes for some types of activity while others may need three to four weeks. The importance of being prepared
is directly related to the influence which an activity may have to the smooth operation of a community. The snow removal pro gram is an activity which must be prepared for action when that first substantial snowfall occurs. Snow removal must operate smoothly to avoid snarling the traffic of everyday activities.
Winter sports and recreational facilities are an example of an operation which requires a substantial period of prepara tion. Uncompleted preparations, however, only represent a loss to the operator and do not interfere with the smooth operation of everyday activities. Other activities, such as advertising, depend on timeliness for success. These people must plan well in advance so that their product release coincides with the changing seasons. Certain types of outdoor construction work will be scheduled so that it can be completed before inclimate weather sets in. Frost and frost depth penetration are closely 2 related to the snow cover depth. Insect survival is gener
ally much higher in areas with an abundant early snow cover.
Because of the large time variations between the western Upper
Peninsula and the southeastern Lower Peninsula in the thresh
old dates for various snow depths, the timely completion of
preparations for winter vary widely in Michigan.
Data presented in this publication are designed to provide helpful information for planning the timely completion of winter
preparedness operations. These data also point out vividly the
effect that certain topographic features in Michigan have on winter snowfall patterns and the influence of the surrounding
Great Lakes.
DATA
The data used for this publication are from more than 100
cooperative weather stations located throughout the state of
Michigan. A listing of each station used, the length of re
cord available and other salient facts are furnished in Appendix
A. It is through the unselfish service of the ESSA-Weather
Bureau Cooperative Observers that the details of Michigan's
unique climate can be studied. The collection of snowfall data
is a challenge to even the heartiest and certainly a task made
more difficult by the high winds and drifting which frequently
accompany snow in this area. In spite of these adversities,
the data when analyzed shows extremely high uniformity with respect to both depth and time in transition from one region to another within Michigan.
The data for the first one- and three-inch snow depths generally reflect the results of a single storm. However, these may be the result of two or more lighter snowfalls.
The data for the first occurrence of the six- and twelve- inch snow depths may reflect the results of a single storm but more generally it will be the combined total of several storms.
Snow depth on the ground is recorded by the cooperative observer only at the time he takes his daily observation.
Although, most observations are taken at approximately 6 p.m., some are made at midnight and others about 7 a.m. The time difference may cause some slight shifting of dates but the total influence should not affect the homogeneity of the data presented, it is felt that a greater bias in the threshold dates may result from snow falling on ground which is suffi ciently warm to melt the snow prior to the time of observation.
Light fluffy snow, snow which contains a smaller than nor mal water equivalent ratio, may produce a three-inch snow depth which would not support skis and sleds while a one-inch snow of greater density would support these.
Such variations make the measurement and interpretation of snowfall data difficult. Because of these factors, it is a real tribute to our volunteer observers that these data taken individually exhibit close agreement over a period of 50 to 75 years.
PROCEDURE
For each fall and winter season, the date of the first occurrence of the 1-, 3-, 6- and 12-inch snow depths was extracted from each substation's record. This data was then converted to a numerical number for ease of handling with
September 1 assigned as number 1, October 1 assigned the number 31, etc.
Thom's ecruation tg = sN + t was then used to ■ ' f f l obtain the probability threshold dates for the 5, 10, 30, 70 and 90 percentages where
t is the quantile with probability G(x)
s is the standard deviation
N ^ is the inverse normal distribution function G(x) is the desired probability
p is the probability of an actual occurrence
p = (no. years 'occurrence) (total years record)
is the mean date for each desired snow depth
^ Thom, H.C.S. “Probabilities of One-Inch Snowfall Thresholds for the United States,”
Monthly Weather Review, Vol. 85, No. 8, August 1957, pp. 269-271. For a detailed explanation of the development of this equation and its application, the reader is referred to Thom's article.
RESULTS AND DISCUSSION
The final results for each station has been presented in tabular form where a sufficiently long period of record is available. In some cases, minor adjustments were necessary for those stations with only 20- to 25-years of record. These adjustments were made by utilizing the longer records from sur rounding stations.
The mean date (t) presented for all stations represents the mean date for only those years when the selected 1-, 3-,
6- and 12-inch snow depths, respectively, were observed. The total number of years of record used is given for each station as well as the 5%, 10%, 30%, 70% and 90% levels as applicable.
Because of the less frequent occurrences of the 6- and 12-inch snow depths in the southern portion of Michigan, the 30%, 70% and 90% probability dates will often be missing in the tables for this area. Figure 4 and Figure 6 show the probability for observing the 6— and 12—inch snow depths respectively.
These figures should be utilized when evaluating the data
I presented on the maps for the mean dates of the 6— and 12—inch snow depth, figures 5 and 7.
Snowfall in Michigan may be associated with either moving cyclones (low pressure systems) or moisture picked up by the 6 cold air moving across the Great Lakes. This latter source of moisture and resulting snowfall may produce heavier total amounts
than that which occurs with the storm center. No attempt will be made to evaluate these factors individually in this paper? how
ever, the combination of these factors produces unique snowfall patterns across Michigan.
UPPER PENINSULA
The earliest observed dates of the selected snow depths occur in the extreme western section of the Upper Peninsula.
Here, in the Upper Peninsula, the topographic features provide an abrupt rise above the surface of Lake Superior helping to precipitate the excessive moisture from the air that was ob tained while passing over Lake Superior.
A second area of early snowfall coincides with the ridge region extending through the center of the eastern Upper Penin sula. The stronger influence of Lake Superior is reflected by the later dates experienced along its shores and in the Keeweenaw
Peninsula, see figures 2, 3, 5 and 7. A lee effect due to the
Porcupine Mountains, similar to that produced by the Appalachian
Mountains in the southeastern United States but on a smaller scale, becomes apparent when comparing data for Bergland Dam and Ironwood with data for Kenton and Iron Mountain. The mean dates for the first 1-inch and 12-inch snow depths are respec tively about 1 week and 5 weeks later in the latter area. 7 8 9
Covpmr Hrtor r» WlUui* 90 TH k. 75 TH K*(la HaiW Cmii G tlr y - - %• >. MICHIGAN
V 6 ^ y u ^ 3 ( f STATUTE Mils / Houghton KAA AP
J j L k , * . ' 10
The 1-inch, 3-inch, 6-inch and 12-inch maps reflect the
additional moisture available from Lake Superior over most of
the east to west shoreline. In all cases the south central
section is later in recording each of the selected snow depths
and also received from one—third to one—half the seasonal snow
fall received in the area closer to Lake Superior.
LOWER PENINSULA
The snowfall patterns observed in the Lower Peninsula are
more complicated because of the influences exerted by three of
the Great Lakes; Erie, Huron and Michigan. The strongest in
fluence, that of Lake Michigan, is readily apparent on all of
the snow depth maps in the form of a tongue which extends north
to south along the western edge of the Lower Peninsula. The
influences of Lake Huron and Lake Erie are more readily dis
cernible on the 6- and 12-inch snow depth maps.
Even the influence of Saginaw Bay is apparent on the 1-
and 3-inch snow depth maps. The warmer waters tend to produce
wet, heavy snow or light rain at the lower end of the Bay
during the fall as evidenced by the area with a ten-to twenty-
day later threshold date for the 3-inch snow depth. Further
south a narrow band with much earlier threshold dates extends
from Hillsdale northeastward through Milford and Pontiac to
near Yale. This line corresponds to the ridge area which was
formerly the shoreline for Lake Erie and points out the in
fluence that relatively small changes in elevation may have on the early season snowfalls. The plateau region and highest
elevations of the Lower Peninsula experience the earliest
threshold dates at each selected snow depth.
Perhaps one of the more surprising features of the early season snowfall is the similarity of threshold dates for the
1-, 3-, and 6-inch snow depth in the Bloomingdale and Paw Paw
areas in the Southwest Lower Peninsula and the Eagle Harbor,
Grand Marais and DeTour areas of the Upper Peninsula. 12
i | 13
«• 14 15
«/ 16
TABLE — PROBABILITY OF SELECTED SNOW DEPTHS
SNOW Percent probability of first occurrence of the YEARS DEPTH __ snow depth on or before the indicated date. STATION RECORD (Inch) t 57. 10% 30% 70% 90%
WEST UPPER MICHIGAN
Bergland Dam 40 1 Nov 1 Oct 10 Oct 15 Oct 25 Nov 8 Nov 18 3 Nov 9 Oct 14 Oct 23 Nov 2 Nov 16 Nov 26 6 Nov 18 Oct 19 Oct 25 Nov 8 Nov 28 Dec 12 12 Dec 3 Oct 30 Nov 7 Nov 23 Dec 16 Jan 6
Eagle Harbor 33 1 Nov 13 Oct 21 Oct 26 Nov 3 Nov 20 Dec 1 3 Nov 24 Oct 25 Nov 1 Nov 14 Dec 4 Dec 17 6 Dec 1 Oct 30 Nov 6 Nov 21 Dec 11 Dec 26 12 Dec 26 Nov 20 Nov 28 Dec 14 Jan 7 Jan 23
Iron Mountain 66 1 Nov 18 Oct 25 Oct 30 Nov 10 Nov 26 Dec 7 3 Nov 28 Oct 31 Nov 6 Nov 19 Dec 7 Dec 20 6 Dec 18 Nov 6 Nov 15 Dec 5 Jan 2 Jan 23 12 Jan 8 Nov 29 Dec 9 Dec 30 Feb 3
Ironwood 47 1 Oct 29 Oct 8 Oct 12 Oct 22 Nov 5 Nov 15 3 Nov 7 Oct 13 Oct 18 Oct 30 Nov 15 Nov 27 6 Nov 19 Oct 19 Oct 26 Nov 9 Nov 29 Dec 13 12 Dec 6 Nov 4 Nov 11 Nov 26 Dec .16 Dec 31
Ishpeming 67 1 Nov 1 Oct 9 Oct 14 Oct 25 Nov 8 Nov 19 3 Nov 13 Oct 18 Oct 24 Nov 5 Nov 21 Dec 3 6 Nov 23 Oct 20 Oct 28 Nov 12 Dec 4 Dec 19 12 Dec 25 Nov 11 Nov 21 Dec 12 Jan 10 Feb 2
Kenton 24 1 Nov 7 Oct 21 Oct 25 Nov 2 Nov 12 Nov 20 3 Nov 14 Oct 24 Oct 29 Nov 7 Nov 21 Nov 30 6 Nov 22 Oct 28 Nov 2 Nov 14 Nov 30 Dec 12 12 Dec 28 Nov 13 Nov 23 Dec 14 Jan 11 Feb 1
L'Anse 27 1 Nov 8 Oct 16 Oct 21 Nov 1 Nov 15 Nov 26 3 Nov 18 Oct 25 Oct 30 Nov 10 Nov 26 Dec 7 6 Nov 28 Oct 31 Nov 6 Nov 19 Dec 7 Dec 20 12 Dec 29 Nov 15 Nov 25 Dec 16 Jan 14 Feb 8
Marquette 63 1 Nov 4 Oct 14 Oct 18 Oct 28 Nov 11 Nov 21 3 Nov 17 Oct 23 Oct 29 Nov 9 Nov 25 Dec 6 6 Dec 2 Oct 28 Nov 5 Nov 21 Dec 13 Dec 29 12 Dec 24 Nov 16 Nov 24 Dec 12 Jan 7 Jan 27
Ontonagon 22 1 Nov 11 Oct 18 Oct 24 Nov 3 Nov 19 Nov 29 3 Nov21 Nov 1 Nov 5 Nov 15 Nov 27 Dec 7 6 Dec 5 Nov 4 Nov 11 Nov 25 Dec 15 Dec 29 12 Dec 19 Nov 15 Nov 23 Dec 9 Jan 3 Jan 31 17
SNOW Percent probability of first occurrence of the YEA.RS DEPTH _ snow depth on or before the indicated date. * STATION RECORD (Inch) t 57. ______10%______30%______70%______90%
Stambaugh 67 1 Nov 10 Oct 19 Oct 24 Nov 3 Nov 17 Nov 27 v 3 Nov 23 Oct 23 Oct 30 Nov 13 Dec 3 Dec 17 6 Dec 9 Oct 29 Nov 7 Nov 26 Dec 22 Jan 10 12 Dec 26 Nov 14 Nov 24 Dec 16 Jan 20
Stephenson 27 1 Nov 21 Oct 30 Nov 4 Nov 14 Nov 28 Dec 8 3 Dec 7 Nov 4 Nov 11 Nov 26 Dec 18 Jan 2 6 Dec 25 Nov 20 Nov 28 Dec 15 Jan 9 Feb 3 12 Jan 20 Dec 9 Dec 21 Jan 15
W&tersmeet 32 1 Nov 2 Oct 13 Oct 17 Oct 27 Nov 8 Nov 18 3 Nov 7 Oct 18 Oct 23 Nov 1 Nov 13 Nov 22 6 Nov 28 Oct 28 Nov 4 Nov 18 Dec 8 Dec 22 12 Dec 29 Nov 10 Nov 21 Dec 13 Jan 14 Feb 5
EAST UPPER MICHIGAN
Chatham 60 1 Nov 2 Oct 11 Oct 16 Oct 26 Nov 9 Nov 19 3 Nov 10 Oct 17 Oct 22 Nov 2 Nov 18 Nov 29 6 Nov 18 Oct 26 Oct 31 Nov 11 Nov 25 Dec 6 12 Dec 14 Nov 10 Nov 18 Dec 4 Dec 26 Jan 12
DeTour 30 1 Nov 19 Oct 22 Oct 28 Nov 10 Nov 28 Dec 11 3 Nov 24 Oct 23 Oct 30 Nov 14 Dec 4 Dec 19 6 Dec 4 Oct 30 Nov 7 Nov 23 Dec 15 Dec 31 12 Jan 1 Nov 21 Nov 30 Dec 19 Jan 14 Feb 2
Dunbar 24 1 Nov 10 Oct 19 Oct 24 Nov 3 Nov 17 Nov 27 3 Nov 20 Oct 24 Oct 30 Nov 11 Nov 29 Dec 11 6 Nov 29 Oct 29 Nov 5 Nov 19 Dec 9 Dec 23 12 Dec 31 Nov 20 Nov 29 Dec 18 Jan 13 Feb 1
Fayette 41 1 Nov 25 Nov 3 Nov 8 Nov 18 Dec 2 Dec 12 3 Dec 3 Nov 5 Nov 11 Nov 24 Dec 12 Dec 25 6 Dec 22 Nov 15 Nov 15 Dec 7 Jan 6 Jan 28 12 Jan 13 Dec 5 Dec 15 Jan 6 Feb 19
Grand Marais 32 1 Nov 11 Oct 26 Oct 30 Nov 6 Nov 16 Nov 23 3 Nov 21 Oct 29 Nov 3 Nov 14 Nov 28 Dec 9 6 Nov 30 Nov 5 Nov 10 Nov 22 Dec 8 Dec 20 V 12 Dec 13 Nov 16 Nov 22 Dec 4 Dec 22 Jan 3
.Manistique 29 1 Nov 12 Oct 18 Oct 24 Nov 4 Nov 20 Dec 1 - 3 Nov 26 Oct 31 Nov 6 Nov 18 Dec 4 Dec 16 6 Dec 13 Nov 5 Nov 13 Dec 1 Dec 25 Jan 12 12 Jan 12 Dec 4 Dec 13 Jan 2 Jan 31
Munising 69 1 Nov 4 Oct 14 Oct 19 Oct 28 Nov 11 Nov 20 3 Nov 13 Oct 20 Oct 26 Nov 5 Nov 21 Dec 1 6 Nov 22 Nov 1 Nov 6 Nov 17 Dec 1 Dec 12 12 Dec 15 Nov 12 Nov 20 Dec 5 Dec 25 Jan 9 18
SNOW Percent probability of first occurrence of the YEARS DEPTH _ snow depth on or before the indicated date. STATION RECORD (Inch) t______5%______10%______30%______70%______90%
Newberry 67 1 Nov 4 Oct 12 Oct 17 Oct 28 Nov 11 Nov 22 3 Nov 14 Oct 19 Oct 25 Nov 6 Nov 22 Dec 4 6 Nov 29 Oct 27 Nov 3 Nov 18 Dec 10 Dec 25 12 Dec 28 Nov 12 Nov 23 Dec 14 Jan 13 Feb 5
Rock 26 1 Nov 8 Oct 21 Oct 25 Nov 2 Nov 14 Nov 22 3 Nov 20 Oct 28 Nov 4 Nov 13 Nov 27 Dec 6 6 Dec 14 Oct 30 Nov 8 Nov 29 Dec 29 Jan 19 12 Jan 13 Nov 25 Dec 6 Dec 30 Feb 4 March 1<
S.S. Marie 74 1 Nov 6 Oct 14 Oct 19 Oct 30 Nov 13 Nov 24 3 Nov 20 Oct 31 Nov 4 Nov 14 Nov 26 Dec 6 6 Dec 5 Nov 4 Nov 11 Nov 25 Dec 15 Dec 29 12 Dec 30 Nov 19 Nov 29 Dec 18 Jan 15 Feb 9
Seney 28 1 Nov 10 Oct 23 Oct 27 Nov 4 Nov 16 Nov 24 3 Nov 16 Oct 28 Nov 1 Nov 10 Nov 22 Dec 1 6 Nov 29 Nov 1 Nov 7 Nov 20 Dec 8 Dec 21 12 Dec 22 Nov 15 Nov 23 Dec 11 Jan 26
Steuben 26 1 Nov 5 Oct 19 Oct 23 Oct 31 Nov 10 Nov 18 3 Nov 16 Oct 24 Oct 29 Nov 9 Nov 23 Dec 4 6 Nov 25 Oct 30 Nov 5 Nov 17 Dec 3 Dec 15 12 Dec 19 Nov 21 Nov 27 Dec 10 Dec 28 Jan 10
NORTHWEST LOWER MICHIGAN
Cadillac 54 1 Nov 10 Oct 15 Oct 21 Nov 2 Nov 18 Nov 30 3 Nov 22 Oct 23 Oct 29 Nov 12 Dec 2 Dec 16 6 Dec 11 Oct 30 Nov 9 Nov 28 Dec 24 Jan 12 12 Jan 11 Dec 7 Dec 15 Jan 1 Jan 27 March 2
Charlevoix 61 1 Nov 21 Oct 30 Nov 4 Nov 14 Nov 28 Dec 8 3 Dec 2 Nov 6 Nov 12 Nov 24 Dec 10 Dec 22 6 Dec 15 Nov 12 Nov 19 Dec 4 Dec 26 Jan 10 12 Jan 5 Nov 25 Dec 5 Dec 24 Jan 22 Feb 21
East Jordan 33 1 Nov 14 Oct 24 Oct 28 Nov 7 Nov 21 Dec 1 3 Nov 26 Nov 4 Nov 9 Nov 19 Dec 3 Dec 13 6 Dec 11 Nov 11 Nov 18 Dec 1 Dec 21 Jan 3 12 Dec 26 Nov 25 Dec 2 Dec 17 Jan 9 Feb 3
Elberta 57 1 Nov 21 Oct 29 Nov 3 Nov 14 Nov 28 Dec 9 3 Dec 3 Nov 8 Nov 14 Nov 25 Dec 11 Dec 22 6 Dec 17 Nov 9 Nov 17 Dec 5 Dec 29 Jan 16 12 Jan 8 Nov 27 Dec 7 Dec 28 Jan 30
Fife Lake 46 1 Nov 9 Oct 16 Oct 21 Nov 1 Nov 17 Nov 28 3 Nov 21 Oct 29 Nov 3 Nov 14 Nov 28 Dec 9 6 Dec 5 Nov 3 Nov 10 Nov 25 Dec 15 Dec 30 12 Jan 4 Dec 8 Dec 14 Dec 28 Jan 16 Feb 12 19 SNOW Percent probability of first occurrence of the YEARS DEPTH snow depth on or before the indicated date. STATION RECORD (Inch) t 57. 107. 307. 707. 907.
Lake City 39 1 Nov 10 Oct 14 Oct 20 Nov 1 Nov 19 Dec 1 3 Nov 28 Oct 30 Nov 5 Nov 19 Dec 7 Dec 21 6 Dec 17 Nov 5 Nov 14 Dec 4 Dec 30 Jan 19 12 Jan 11 Dec 5 Dec 14 Jan 2 Feb 1
ManeeIona 44 1 Nov 11 Oct 18 Oct 23 Nov 3 Nov 19 Nov 30 3 Nov 16 Oct 21 Oct 27 Nov 8 Nov 24 Dec 6 6 Nov 22 Oct 24 Oct 31 Nov 13 Dec 1 Dec 14 12 Dec 9 Nov 1 Nov 10 Nov 27 Dec 21 Jan 7
Manistee 49 1 Nov 23 Oct 29 Nov 3 Nov 15 Dec 1 Dec 13 3 Dec 2 Nov 5 Nov 11 Nov 24 Dec 10 Dec 23 6 Dec 17 Nov 12 Nov 20 Dec 6 Dec 28 Jan 13 12 Jan 4 Dec 3 Dec 11 Dec 29 Feb 3
Traverse City 67 1 Nov 18 Oct 28 Nov 1 Nov 11 Nov 25 Dec 5 3 Nov 29 Nov 5 Nov 10 Nov 21 Dec 7 Dec 18 6 Dec 13 Nov 9 Nov 17 Dec 2 Dec 24 Jan 8 12 Jan 5 Nov 26 Dec 6 Dec 26 Jan 26
Wellston 43 1 Nov 13 Oct 20 Oct 26 Nov 5 Nov 21 Dec 1 Tippy Dam 3 Nov 26 Nov 4 Nov 9 Nov 19 Dec 3 Dec 13 6 Dec 9 Nov 5 Nov 12 Nov 28 Dec 20 Jan 5 12 Jan 1 Nov 25 Dec 4 Dec 22 Jan 18 Feb 22
NORTHEAST LOWER MICHIGAN
Alpena 24 1 Nov 16 Oct 18 Oct 25 Nov 7 Nov 25 Dec 8 3 Dec 3 Nov 3 Nov 10 Nov 23 Dec 13 Dec 26 6 Dec 16 Nov 9 Nov 17 Dec 5 Jan 2 Feb 1 12 Jan 16 Dec 17 Dec 26 Jan 15
Atlanta 38 1 Nov 16 Oct 20 Oct 26 Nov 7 Nov 25 Dec 7 3 Dec 1 Nov 1 Nov 7 Nov 21 Dec 11 Dec 25 6 Dec 18 Nov 11 Nov 20 Dec 7 Dec 31 Jan 20 12 Jan 14 Dec 15 Dec 23 Jan 7 Feb 3
Cheboygan 66 1 Nov 19 Oct 24 Nov 2 Nov 12 Nov 26 Dec 6 3 Nov 28 Oct 28 Nov 8 Nov 17 Dec 9 Dec 25 6 Dec 11 Nov 7 Nov 15 Dec 1 Dec 23 Jan 1 12 Jan 4 Nov 26 Dec 6 Dec 25 Jan 25
East Tawas 60 1 Nov 28 Nov 1 Nov 7 Nov 19 Dec 7 Dec 19 3 Dec 13 Nov 11 Nov 18 Dec 3 Dec 24 Jan 10 6 Jan 6 Nov 15 Nov 27 Dec 24 Feb 6 12 Jan 19 Dec 17 Dec 30 Jan 1
Gaylord 33 1 Nov 9 Oct 18 Oct 23 Nov 2 Nov 16 Nov 26 3 Nov 18 Oct 22 Oct 28 Nov 9 Nov 27 Dec 9 6 Nov 30 Oct 30 Nov 6 Nov 20 Dec 10 Dec 24 12 Dec 26 Nov 12 Nov 22 Dec 12 Jan 10 Feb 1 2 Q' SNOW Percent probability of first occurrence of the YEARS DEPTH __ snow depth on or before the indicated date. STATION RECORD (Inch) t 57. 107. 307. 707. 907.
Grayling 61 1 Nov 12 Oct 19 Oct 25 Nov 4 Nov 20 Nov 30 3 Nov 22 Oct 26 Nov 1 Nov 14 Nov 30 Dec 13 6 Dec 7 Nov 8 Nov 14 Nov 28 Dec 16 Dec 30 12 Jan 2 Nov 30 Dec 8 Dec 25 Jan 19
Hale Loud Dam 53 1 Nov 24 Nov 3 Nov 8 Nov 17 Dec 1 Dec 10 3 Dec 10 Nov 4 Nov 12 Nov 29 Dec 21 Jan 7 6 Dec 27 Nov 14 Nov 24 Dec 15 Jan 15 Feb 19 12 Jan 25 Dec 17 Dec 27 Jan 7 Feb 25
Harrisville 46 1 Nov 23 Oct 30 Nov 4 Nov 15 Dec 1 Dec 12 3 Dec 7 Nov 8 Nov 14 Nov 28 Dec 16 Dec 30 6 Dec 25 Nov 15 Nov 24 Dec 13 Jan 11 Feb 9 12 Jan 23 Dec 14 Dec 25 Jan 18 Mar 23
Higgins Lake 62 1 Nov 11 Oct 17 Oct 22 Nov 3 Nov 19 Dec 1 3 Nov 27 Oct 27 Nov 3 Nov 17 Dec 7 Dec 21 6 Dec 14 Nov 2 Nov 12 Dec 1 Dec 28 Jan 19 12 Jan 10 Dec 5 Dec 14 Jan 2 Feb 5
Houghton Lake 51 1 Nov 12 Oct 19 Oct 24 Nov 4 Nov 20 Dec 1 3 Dec 2 Oct 28 Nov 5 Nov 21 Dec 13 Dec 29 6 Dec 23 Nov 12 Nov 21 Dec 11 Jan 7 Jan 31 12 Jan 15 Dec 13 Dec 22 Jan 11
Mackinaw City 65 1 Nov 20 Oct 29 Nov 3 Nov 13 Nov 27 Dec 7 3 Nov 29 Nov 3 Nov 9 Nov 21 Dec 7 Dec 19 6 Dec 17 Nov 5 Nov 14 Dec 3 Dec 31 Jan 19 12 Jan 5 Nov 28 Dec 7 Dec 26 Jan 24
Mio 57 1 Nov 19 Oct 25 Oct 30 Nov 11 Nov 27 Dec 9 3 Dec 5 Nov 6 Nov 13 Nov 26 Dec 14 Dec 27 6 Dec 21 Nov 15 Nov 23 Dec 10 Jan 3 Jan 24 12 Jan 23 Dec 7 Dec 18 Jan 11 Feb 17
Onaway State Park 56 1 Nov 15 Oct 23 Oct 28 Nov 8 Nov 22 Dec 3 3 Nov 28 Nov 3 Nov 9 Nov 20 Dec 6 Dec 17 6 Dec 10 Nov 10 Nov 17 Nov 30 Dec 20 Jan 2 12 Jan 11 Nov 26 Dec 7 Dec 30 Feb 3
Vanderbilt 52 1 Nov 11 Oct 17 Oct 23 Nov 3 Nov 19 Nov 30 3 Nov 22 Oct 24 Oct 30 Nov 13 Dec 1 Dec 15 6 Dec 3 Nov 4 Nov 10 Nov 24 Dec 12 Dec 26 12 Dec 31 Nov 20 Nov 29 Dec 29 Jan 18 Feb 19
West Branch 65 1 Nov 16 Oct 22 Oct 28 Nov 8 Nov 24 Dec 5 3 Dec 2 Nov 4 Nov 10 Nov 23 Dec 11 Dec 24 6 Dec 20 Nov 10 Nov 19 Dec 7 Jan 2 Jan 20 12 Jan 18 Dec 14 Dec 23 Jan 12 Feb 18 21 SNOW Percent probability of first occurrence of the YEARS DEPTH _ snow depth on or before the indicated date. STATION RECORD (Inch) t 5% 10% 30% 70% 90%
WEST . CENTRAL MICHIGAN
Baldwin 31 1 Nov 17 Oct 22 Nov 1 Nov 10 Nov 25 Dec 3 State Forest 3 Dec 1 Oct 27 Nov 3 Nov 18 Dec 14 Jan 1 6 Dec 19 Oct 29 Nov 9 Dec 3 Jan 4 Jan 28 12 Dec 31 Dec 3 Dec 10 Dec 26 Jan 5
Hart 69 1 Nov 22 Oct 30 Nov 4 Nov 15 Nov 29 Dec 10 3 Nov 30 Nov 3 Nov 9 Nov 22 Dec 8 Dec 21 6 Dec 18 Nov 5 Nov 15 Dec 5 Jan 2 Jan 23 12 Jan 5 Dec 2 Dec 11 Dec 30 Feb 6
Ludington 47 1 Nov 19 Oct 25 Oct 31 Nov 11 Nov 27 Dec 8 3 Dec 2 Nov 3 Nov 9 Nov 23 Dec 11 Dec 25 6 Dec 18 Nov 10 Nov 18 Dec 6 Dec 31 Jan 20 12 Jan 9 Dec 3 Dec 13 Jan 3 Feb 21
Montague 21 1 Nov 17 Oct 23 Oct 29 Nov 9 Nov 23 Dec 6 3 Nov 25 Oct 26 Nov 1 Nov 15 Dec 5 Dec 19 6 Dec 17 Nov 3 Nov 12 Dec 3 Dec 31 Jan 21 12 Dec 31 Nov 23 Dec 3 Dec 27
Muskegon 57 1 Nov 20 Oct 30 Nov 4 Nov 13 Nov 27 Dec 6 3 Dec 7 Nov 6 Nov 13 Nov 27 Dec 17 Dec 31 6 Dec 20 Nov 9 Nov 18 Dec 8 Jan 4 Jan 28 12 Jan 9 Dec 2 Dec 12 Jan 4 Feb 27
Newaygo 59 1 Nov 23 Oct 31 Nov 5 Nov 16 Nov 30 Dec 11 3 Dec 5 Nov 4 Nov 11 Nov 25 Dec 15 Dec 29 6 Dec 26 Nov 19 Nov 27 Dec 15 Jan 9 Feb 1 12 Jan 19 Dec 21 Dec 30 Jan 18
Scottville 42 1 Nov 20 Oct 28 Nov 2 Nov 13 Nov 27 Dec 8 3 Dec 1 Nov 4 Nov 13 Nov 24 Dec 8 Dec 19 6 Dec 25 Nov 8 Nov 18 Dec 10 Jan 9 Jan 31 12 Jan 8 Dec 9 Dec 18 Jan 7
CENTRAL LOWER MICHIGAN
Alma 68 1 Nov 28 Nov 1 Nov 7 Nov 20 Dec 6 Dec 19 3 Dec 13 Nov 5 Nov 14 Dec 1 Dec 25 Jan 11 6 Dec 27 Nov 19 Nov 28 Dec 18 Jan 21 12 Jan 27 Jan 2 Jan 12 Jan 17
Big Rapids 65 1 Nov 22 Oct 28 Nov 3 Nov 14 Nov 30 Dec 11 3 Dec 9 Nov 7 Nov 14 Nov 29 Dec 19 Jan 3 6 Dec 30 Nov 25 Dec 3 Dec 20 Jan 13 Feb 3 12 Jan 20 Dec 16 Dec 26 Jan 19 22 SNOW Percent probability of first occurrence of the YEARS DEPTH snow depth on or before the indicated date. STATION RECORD (Inch) t 57. 107. 307. 707. 907.
Evart 24 1 Nov 22 Oct 26 Nov 4 Nov 14 Nov 30 Dec 10 3 Dec 5 Oct 29 Nov 8 Nov 22 Dec 18 Jan 5 6 Dec 24 Nov 21 Nov 28 Dec 14 Jan 6 Jan 26 12 Jan 25 Dec 29 Jan 7 Jan 23
Greenville 49 1 Nov 29 Oct 29 Nov 5 Nov 19 Dec 9 Dec 23 3 Dec 13 Nov 5 Nov 14 Dec 1 Dec 25 Jan 11 6 Jan 3 Nov 22 Dec 3 Dec 24 Jan 29 12 Jan 19 Dec 17 Dec 30 Jan 3
Harrison 33 1 Nov 22 Oct 23 Oct 30 Nov 12 Dec 2 Dec 15 3 Dec 7 Nov 1 Nov 9 Nov 25 Dec 19 Jan 4 6 Dec 21 Nov 8 Nov 18 Dec 7 Jan 4 Jan 23 12 Jan 16 Nov 30 Dec 13 Jan 10 Mar 26
Midland 56 1 Nov 29 Oct 29 Nov 5 Nov 19 Dec 9 Dec 23 3 Dec 20 Nov 7 Nov 17 Dec 6 Jan 3 Jan 22 6 Jan 8 Nov 20 Dec 2 Dec 28 Feb 9 12 Jan 30 Dec 23 Jan 8 Feb 24
Mt. Pleasant 40 1 Nov 30 Nov 4 Nov 10 Nov 22 Dec 8 Dec 20 3 Dec 14 Nov 6 Nov 14 Dec 2 Dec 26 Jan 13 6 Jan 9 Nov 25 Dec 6 Dec 29 Feb 5 12 Jan 23 Dec 30 Jan 12
EAST CENTRAL MICHIGAN
Bad Axe 35 1 Nov 25 Nov 1 Nov 7 Nov 17 Dec 3 Dec 13 3 Dec 17 Nov 5 Nov 15 Dec 4 Dec 30 Jan 18 6 Dec 29 Nov 13 Nov 24 Dec 19 Jan 8 12 Jan 24 Dec 24 Jan 7
Bay City 68 1 Dec 5 Oct 27 Nov 4 Nov 22 Dec 18 Jan 5 3 Dec 22 Nov 7 Nov 17 Dec 8 Jan 6 Jan 28 6 Jan 11 Nov 24 Dec 6 Jan 1 Feb 14 12 Jan 22 Dec 28 Jan 11
Caro 37 1 Dec 1 Nov 3 Nov 9 Nov 22 Dec 10 Dec 23 3 Dec 21 Nov 5 Nov 15 Dec 7 Jan 7 Jan 31 6 Jan 11 Nov 23 Dec 5 Dec 30 Feb 8 12 Jan 6 Dec 12 Jan 3
Harbor Beach 56 1 Nov 26 Oct 23 Oct 30 Nov 15 Dec 7 Dec 23 3 Dec 18 Oct 27 Nov 7 Dec 1 Jan 4 Jan 28 6 Jan 7 Nov 27 Dec 6 Dec 27 Jan 29 12 Jan 30 Dec 24 Jan 8 Jan 12
Saginaw FAA 61 1 Nov 29 Nov 3 Nov 9 Nov 21 Dec 7 Dec 19 3 Dec 16 Nov 8 Nov 17 Dec 4 Dec 28 Jan 14 6 Jan 8 Nov 13 Nov 26 Dec 24 Feb 6 12 Jan 17 Dec 16 Jan 1 Feb 28 23
SNOW Percent probability of first occurrence of the YEARS DEPTH snow depth on or before the :indicated date. v STATION RECORD (Inch) t 57. 10% 30% 70% 90%
•St. Charles 23 1 Dec 1 Nov 4 Nov 10 Nov 22 Dec 10 Dec 22 3 Dec 22 Nov 10 Nov 20 Dec 9 Jan 4 Jan 23 6 Jan 9 Nov 26 Dec 6 Dec 30 Feb 7 12 Jan 18 Dec 24 Jan 10
Sandusky 37 1 Nov 27 Nov 5 Nov 10 Nov 20 Dec 4 Dec 14 3 Dec 12 Nov 13 Nov 19 Dec 3 Dec 21 Jan 4 6 Dec 28 Nov 20 Nov 29 Dec 17 Jan 14 Feb 13 12 Jan 26 Dec 16 Jan 1 Jan 8
Standish 21 1 Nov 29 Nov 4 Nov 9 Nov 21 Dec 7 Dec 19 3 Dec 11 Nov 8 Nov 15 Dec 1 Dec 21 Jan 6 6 Jan 2 Nov 26 Dec 5 Dec 25 Jan 20 12 Feb 1 Jan 8 Jan 17 Jan 23
SOUTHWEST LOWER MICHIGAN
Allegan 75 1 Nov 23 Oct 25 Nov 1 Nov 14 Dec 2 Dec 15 3 Dec 5 Oct 31 Nov 8 Nov 24 Dec 17 Jan 3 6 Dec 18 Nov 3 Nov 14 Dec 6 Jan 9 12 Jan 5 Nov 25 Dec 8 Jan 3
Benton Harbor 76 1 Nov 27 Oct 31 Nov 6 Nov 18 Dec 6 Dec 18 3 Dec 15 Nov 4 Nov 14 Dec 2 Dec 28 Jan 17 6 Jan 5 Nov 14 Nov 26 Dec 21 Jan 25 Feb 26 12 Jan 11 Dec 11 Dec 21 Jan 9
Bloomingdale 60 1 Nov 16 Oct 22 Oct 28 Nov 8 Nov 24 Dec 5 3 Nov 27 Oct 26 Nov 2 Nov 17 Dec 7 Dec 22 6 Dec 17 Oct 30 Nov 4 Nov 29 Dec 25 Jan 29 12 Jan 1 Nov 22 Dec 3 Dec 29
Dowagiac 27 1 Nov 22 Oct 29 Nov 4 Nov 14 Nov 30 Dec 10 3 Nov 24 Nov 2 Nov 7 Nov 17 Dec 1 Dec 11 6 Dec 14 Nov 4 Nov 13 Dec 1 Dec 27 Jan 14 12 Jan 3 Nov 26 Dec 9 Dec 27
Eau Claire 41 1 Nov 22 Oct 25 Nov 2 Nov 14 Nov 30 Dec 12 3 Dec 8 Oct 28 Nov 4 Dec 24 Dec 22 Jan 11 6 Dec 22 Nov 1 Nov 13 Dec 7 Jan 11 Feb 11 12 Jan 8 Dec 1 Dec 13 Jan 4
■Grand Haven 33 1 Nov 25 Oct 31 Nov 6 Nov 17 Dec 3 Dec 14 3 Dec 5 Nov 11 Nov 17 Nov 27 Dec 13 Dec 23 6 Dec 14 Nov 13 Nov 20 Dec 4 Dec 27 Jan 16 12 Jan 4 Dec 4 Dec 13 Jan 2
Grand Rapids 64 1 Nov 23 Oct 28 Nov 3 Nov 15 Dec 1 Dec 13 3 Dec 6 Oct 30 Nov 6 Nov 24 Dec 18 Jan 5 6 Dec 31 Nov 12 Nov 23 Jan 22 Mar 2 12 Jan 15 Dec 12 Dec 27 Feb 9 24
SNOW Percent probability of first occurrence of the YEARS DEPTH _ snow depth on or before the indicated date. STATION RECORD (Inch) t 57. 107. 307. 707.______90%
Gull Lake 36 1 Nov 22 Nov 1 Nov 6 Nov 16 Nov 28 Dec 8 3 Dec 6 Nov 4 Nov 8 Nov 25 Dec 17 Jan 3 6 Dec 24 Nov 10 Nov 20 Dec 12 Jan 13 Feb 26 12 Jan 13 Dec 3 Dec 20 Feb 6
Holland 61 1 Nov 18 Oct 28 Nov 2 Nov 11 Nov 25 Dec 4 3 Dec 1 Nov 5 Nov 10 Nov 23 Dec 9 Dec 22 6 Dec 22 Nov 7 Nov 17 Dec 8 Jan 7 Jan 30 12 Jan 6 Dec 4 Dec 13 Jan 2
Kalamazoo 57 1 Nov 23 Nov 1 Nov 6 Nov 16 Nov 30 Dec 10 3 Nov 30 Nov 3 Nov 7 Nov 21 Dec 9 Dec 23 6 Dec 20 Nov 5 Nov 15 Dec 7 Jan 8 Feb 10 12 Jan 11 Nov 27 Dec 11 Jan 9
Kent City 38 1 Nov 25 Nov 3 Nov 8 Nov 18 Dec 2 Dec 12 3 Dec 4 Nov 10 Nov 15 Nov 26 Dec 12 Dec 23 6 Jan 1 Nov 13 Nov 24 Dec 18 Jan 23 March < 12 Jan 19 Dec 28 Jan 8 Feb 22
Paw Paw 41 1 Nov 19 Oct 24 Nov 1 Nov 12 Nov 26 Dec 6 3 Nov 25 Oct 26 Nov 3 Nov 15 Dec 5 Dec 18 6 Dec 7 Nov 2 Nov 10 Nov 27 Dec 21 Jan 11 12 Jan 9 Nov 26 Dec 8 Jan 4
South Haven 67 1 Nov 21 Oct 26 Nov 1 Nov 13 Nov 29 Dec 11 3 Dec 3 Oct 29 Nov 6 Nov 22 Dec 14 Dec 30 6 Dec 24 Nov 3 Nov 15 Dec 10 Jan 16 Feb 27 12 Jan 13 Dec 5 Dec 18 Jan 8
SOUTH CENTRAL MICHIGAN
Battle Creek 58 1 Nov 29 Nov 6 Nov 11 Nov 22 Dec 6 Dec 17 3 Dec 10 Nov 8 Nov 15 Nov 30 Dec 20 Jan 4 6 Jan 4 Nov 13 Nov 26 Dec 23 Jan 16 Feb 12 12 Jan 20 Dec 23 Jan 6
Charlotte 45 1 Nov 30 Nov 5 Nov 11 Nov 22 Dec 8 Dec 19 3 Dec 17 Nov 9 Nov 18 Dec 5 Dec 30 Jan 18 6 Jan 8 Nov 21 Dec 3 Dec 28 Feb 8 12 Jan 24 Jan 5 Jan 17
Coldwater 68 1 Nov 28 Oct 31 Nov 7 Nov 19 Dec 7 Dec 19 3 Dec 17 Nov 12 Nov 20 Dec 6 Dec 29 Jan 16 6 Jan 6 Nov 18 Dec 1 Dec 27 Feb 13 12 Jan 29 Jan 13 Jan 25
Hastings 66 1 Nov 23 Oct 30 Nov 5 Nov 16 Nov 30 Dec 11 3 Dec 11 Oct 31 Nov 8 Nov 28 Dec 24 Jan 13 6 Jan 6 Nov 19 Nov 30 Dec 26 Feb 5 12 Jan 17 Dec 26 Jan 10 25
SNOW Percent probability of first occurrence of the YEARS DEPTH _ snow depth on or before the indicated date. STATION RECORD (Inch) t 5% 10% 30%______70%______90%
Hillsdale 67 1 Nov 20 Oct 23 Oct 30 Nov 11 Nov 29 Dec 11 3 Dec 8 Oct 27 Nov 5 Nov 25 Dec 21 Jan 10 6 Jan 7 Nov 17 Nov 29 Dec 27 Feb 11 12 Feb 3 Jan 23 Jan 27
Ionia 27 1 Nov 29 Nov 3 Nov 9 Nov 21 Dec 7 Dec 19 3 Dec 13 Nov 9 Nov 16 Dec 2 Dec 24 Jan 9 6 Jan 12 Nov 23 Dec 5 Dec 31 Feb 10 12 Jan 13 Dec 18 Jan 4
Jackson 65 1 Nov 26 Nov 2 Nov 9 Nov 19 Dec 3 Dec 13 3 Dec 18 Nov 4 Nov 14 Dec 4 Jan 2 Jan 25 6 Jan 12 Nov 21 Dec 4 Jan 2 Feb 24 12 Feb 3 Jan 17 Jan 30
Lansing 57 1 Nov 25 Nov 1 Nov 6 Nov 17 Dec 3 Dec 14 3 Dec 12 Nov 9 Nov 16 Dec 1 Dec 23 Jan 7 6 Jan 4 Nov 12 Nov 24 Dec 20 Jan 27 March i 12 Jan 17 Dec 22 Jan 10
Owosso 67 1 Nov 30 Oct 29 Nov 5 Nov 20 Dec 10 Dec 25 3 Dec 19 Nov 9 Nov 18 Dec 6 Jan 2 Jan 22 6 Jan 8 Nov 17 Nov 29 Dec 25 Feb 4 12 Feb 2 Jan 5 Jan 20 March 26
St. Johns 27 1 Dec 2 Nov 4 Nov 11 Nov 23 Dec 11 Dec 23 3 Dec 19 Nov 10 Nov 18 Dec 6 Jan 1 Jan 19 6 Jan 5 Nov 15 Nov 28 Dec 24 Feb 4 12 Jan 22 Dec 24 Jan 11
Three Rivers 38 1 Nov 27 Oct 31 Nov 9 Nov 20 Dec 4 Dec 13 3 Dec 11 Nov 6 Nov 11 Nov 28 Dec 24 Jan 12 6 Jan 3 Nov 12 Nov 25 Dec 23 Feb 7 12 Jan 19 Dec 17 Jan 10 / SOUTHEAST LOWER MICHIGAN
Adrian 52 1 Dec 4 Nov 1 Nov 9 Nov 24 Dec 14 Dec 29 3 Dec 22 Nov 4 Nov 15 Dec 7 Jan 6 Jan 28 6 Jan 19 Dec 2 Dec 16 Jan 17 12 Jan 22 Jan 5 Jan 15
Ann Arbor 63 1 Nov 26 Nov 2 Nov 7 Nov 18 Dec 4 Dec 15 3 Dec 18 Nov 3 Nov 13 Dec 4 Jan 3 Jan 26 6 Jan 16 Nov 20 Dec 3 Jan 2 Feb 19 12 Jan 26 Jan 15 Jan 23
Detroit 74 1 Nov 29 Nov 1 Nov 7 Nov 20 Dec 8 Dec 21 3 Dec 23 Nov 4 Nov 15 Dec 8 Jan 8 Feb 1 6 Jan 18 Nov 30 Dec 13 Jan 11 March 22 12 Jan 28 Jan 16 Jan 20 SNOW Percent probability of first occurrence of the YEARS DEPTH __ snow depth on or before the indicated date. STATION RECORD (Inch) t 5% 10% 30% 70%______90%
Flint 65 1 Nov 29 Nov 2 Nov 8 Nov 21 Dec 7 Dec 20 3 Dec 20 Nov 4 Nov 14 Dec 5 Jan 4 Jan 25 6 Jan 4 Nov 17 Nov 29 Dec 26 Feb 15 12 Jan 26 Jan 7 Jan 22
Grosse Point 18 1 Dec 4 Nov 6 Nov 17 Nov 28 Dec 13 Dec 19 Farms 3 Dec 19 Nov 8 Nov 19 Dec 6 Jan 1 Jan 20 6 Jan 27 Dec 6 Dec 19 Jan 16 March 7 12 Jan 23 Jan 13 Feb 17
Howell 60 1 Nov 30 Nov 2 Nov 8 Nov 21 Dec 9 Dec 22 3 Dec 16 Nov 3 Nov 12 Dec 2 Dec 30 Jan 19 6 Jan 8 Nov 20 Dec 2 Dec 28 Feb 9 12 Jan 20 Dec 23 Jan 13
Lapeer 51 1 Dec 1 Oct 31 Nov 7 Nov 21 Dec 11 Dec 25 3 Dec 18 Nov 6 Nov 15 Dec 5 Jan 2 Jan 23 6 Jan 8 Nov 19 Dec 1 Dec 26 Feb 2 12 Jan 25 Dec 25 Jan 9 March 2
Milford 36 1 Nov 23 Oct 27 Nov 2 Nov 14 Dec 2 Dec 14 3 Dec 7 Nov 6 Nov 13 Nov 27 Dec 18 Jan 4 6 Jan 12 Nov 22 Dec 4 Dec 31 Feb 15 12 Feb 3 Jan 9
Monroe 48 1 Dec 4 Nov 8 Nov 14 Nov 26 Dec 12 Dec 24 3 Dec 26 Nov 10 Nov 15 Dec 10 Jan 15 Feb 15 6 Jan 9 Dec 2 Dec 15 Jan 19 12 Jan 22 Dec 28
Mt. Clemens 53 1 Dec 2 Nov 6 Nov 12 Nov 24 Dec 10 Dec 22 3 Dec 17 Nov 9 Nov 16 Dec 3 Dec 31 Jan 21 6 Jan 18 Dec 10 Dec 21 Jan 15 12 Feb 1
Pontiac 58 1 Nov 25 Nov 1 Nov 6 Nov 17 Dec 3 Dec 14 3 Dec 10 Nov 6 Nov 14 Nov 29 Dec 21 Jan 5 6 Jan 9 Nov 16 Nov 29 Dec 27 Feb 8 12 Jan 18 Dec 22 Jan 7
Port Huron 27 1 Nov 30 Nov 1 Nov 7 Nov 21 Dec 9 Dec 23 3 Dec 15 Nov 3 Nov 11 Dec 1 Dec 29 Jan 18 6 Jan 2 Nov 9 Nov 22 Dec 20 Feb 3 12 Jan 5 Dec 2 Dec 20 March 9
Willis 36 1 Dec 2 Nov 1 Nov 8 Nov 22 Dec 12 Dec 26 3 Dec 20 Nov 3 Nov 10 Dec 3 Jan 6 Jan 29 6 Jan 17 Nov 22 Dec 9 Jan 15 12 Jan 20 Jan 12 Feb 18 APPENDIX A 27
INDEX and DESCRIPTION OF STATIONS
♦ CLIMATOLOGICAL ELEVATION STATION DIVISION COUNTY FT. REMARKS
Adrian Southeast L Lenawee 754
Allegan Southwest L Allegan 629
Alma Central L Gratiot 742
Alpena WBAS Northeast L Alpena 689 10/16-5/50 Known as Alpena State Forest 6/50-5/53 Known as Alpena Camp
Ann Arbor Southeast L Washtenaw 871 7/44 to present— Roof exposure
Atlanta Northeast L Montmorency 663
Bad Axe East Central L Huron 715
Baldwin West Central L Lake 830 5/06-11/36 No observations
Battle Creek South Central L Calhoun 934
Bay City East Central L Bay 590 6/87-11/34 Roof exposure
Benton Harbor Southwest L Berrien 649 4/98-5/41 No observations, station moved to St. Joseph
Bergland West Upper Ontonagon 1300
Big Rapids Central L Mecosta 930
Bloomingdale Southwest L Van Buren 746
Cadillac Northwest L Wexford 1390
Caro East Central L Tuscola 670
Charlevoix Northwest L Charlevoix 615
Charlotte South Central L Eaton 897 4/06-1928 Poor exposure
%, Chatham East U Alger 875
Cheboygan Northeast L Cheboygan 586
* Coldwater South Central L Branch 984
DeTour East U Chippewa 598
Detroit Southeast L Wayne 619
Dowagiac Southwest L Cass 735 Station change to 1 W 12/64
Dunbar East U bhippewa 600 forestry Experiment Station 28 CLIMATOLOGICAL ELEVATION STATION DIVISION COUNTY FT. . REMARKS
Eagle Harbor West U Keweenaw 626 Coast Guard Lighthouse
East Jordan Northwest L Charlevoix 590
East Tawas Northeast L Iosco 590 *
Eau Claire Southwest L Berrien 870
Elberta Northwest L Benzie 598 6/43-10/47 Equipment moved to town during winter months. Very good exposure.
Evart Central L Osceola 1000
Fayette East U Delta 788
Fife Lake Northwest L Grand Traverse 1035
Flint Southeast L Genesee 766 5/47-6/50 Roof exposure
Gaylord Northeast L Otsego 1349
Grand Haven Southwest L Ottawa 622 5/71-6/03 Roof exposure 8/05-6/33 Weather Bureau station
Grand Marais East U Alger 622 10/47-10/59 Inland exposure, CAA station
Grand Rapids Southwest L Kent 681 7/03-1/56 Roof exposure in town
Grayling Northeast L Crawford 1175
Greenville Central L Montcalm 882
Grosse Pte. Farm Southeast L Wayne 613
Gull Lake Southwest L Kalamazoo 934
Hale Loud Dam Northeast L Iosco 800
Harbor Beach East Central L Huron 600
Harrison Central L Clare 1245 12/60 Terminated 1/65 Reopened 4 WNW
Harrisville Northeast L Alcona 647
Hart West Central Oceana 675 *
Hastings South Central L Barry 812 9/06-4/15 No observations taken
Higgins Lake Northeast L Crawford 1145
Hillsdale South Central L Hillsdale 1100
Holland Southwest L Ottawa 612 29
CLIMATOLOGICAL ELEVATION STATION______DIVISION______COUNTY______FT. REMARKS
Houghton Lake Northeast L Roscommon 1136
Howel1 Southeast L Livingston 915
Ionia South Central L Ionia 702 3/91-9/96 No observations 10/04-7/39 No observations
Iron Mountain West U Dickinson 1155
Ironwood West U Gogebic 1520
Ishpeming West U Marquette 1436 Oldest station at one location in Michigan
Jackson South Central L Jackson 1003
Kalamazoo Southwest L Kalamazoo 930
Kent City Southwest L Kent 840
Kenton West U Houghton 1167
Lake City Northwest L Missaukee 1230 12/08-4/29 No observations taken
Lansing South Central L Ingham 852 5/10-2/28 Grounds of MSU,E.Lansinj 2/28-6/48 Grounds of MSU,E.Lansing
Lapeer Southeast L Lapeer 865
Ludington West Central L Mason 650 12/04-10/12 CRS on top of railroac depot 9/12-5/33 WBO, roof exposure
Mackinaw City Northeast L Cheboygan 595
Mancelona Northwest L Antrim
Manistee Northwest L Manistee 585 5/13-10/27 Poor exposure
Manistique East U Schoolcraft 621
Marquette West U Marquette 677 5/71-present Roof exposure
Midland Central L Midland 617
Milford Southeast L Livingston 1188
Mio Northeast L Oscoda 963
Monroe Southeast L Monroe 582 10/27-12/29 Roof exposure
Montague West Central L Muskegon 600
Mount Clemens Southeast L Macomb 577 12/25- unknown Roof exposure
Mount Pleasant Central L Isabella 796 10/13-10/16 No observations taken 30 CLIMATOLOGICAL ELEVATION STATION DIVISION COUNTY FT. REMARKS
Munising East U Alger 622
Muskegon West Central L Mudkegon 627 1914-1932 Alternated between 2 locations in town 1938 Weather Bureau station begai miles SE at county airport
Newaygo West Central L Newaygo 757
Newberry East U Luce 886
Onaway Black Lake Northeast L Presque Isle 690 4/28-12/41 Poor exposure
Ontonagon West U Ontonagon 701
Owosso South Central L Ghiawassee 738
Paw Paw Southwest L Van Buren 790
Pontiac Southeast L Oakland 974 9/97-9/05 No observations taken
Port Huron Southeast L St. Claxr 586 7/74-3/40 Roof exposure
Rock East U Delta 961
Saginaw FAA East Central L Saginaw 662
Saint Charles East Central L Saginaw 596
Saint Johns South Central L Clinton 755 3/09-10/38 No observations taken
Sault Ste, Marie East U Chippewa 721 7/39-6/49 Roof exposure
Sandusky East Central L Sanilac 774 4/31-8/39 No observations taken
Scottville West Central L Mason 678
Seney East U Schoolcraft 710
South Haven Southwest L Van Buren 626
Stambaugh West U Iron 1485
Standish East Central L Arenac 616
Stephenson West U Menominee 715
Steuben East U Schoolcraft 645
Three Rivers South Central L St. Joseph 810
Traverse City Northwest L Grand Traverse 618 FAA station
Vanderbilt Northeast L Otsego 925
Watersmeet West U Gogebic 1630 31
CLIMA.TOLOGICAL ELEVATION STATION DIVISION COUNTY______FT.______REMARKS
Wellston Tippy Dam Northwest L Manistee 650
West Branch Northeast L Ogemaw 1064
Willis Southeast L Washtenaw 660