1.6 1.6 3.02.0 1.0 1.6 1.6 Eastern Washington T40N Oroville 1.6 1.6 Northport 1.8 2.0 2.2 1.2 1.4 1.4 Metaline Falls 2.4 1.2 Metaline 3.5 1.2 1.8 1.4 T39N 2.4 1.0 1.2 1.6 Stormwater Manual 1.0 1.6 2.5 Ione T38N 2.0 2.0 2.0 1.8 1.4 2.0 Tonasket 2.0 2.02.2 1.2 2.0 T37N 1.6 1.6 Marcus 1.8 1.6 Republic1.4 1.8 1.5 1.6 3.5 Kettle Falls 1.6 2.0 1.8 T36N 1.2 2.0 Conconully 1.0 1.6 Colville 1.5 1.6 T35N Riverside 1.6 1.8 5.5 Winthrop 1.0 1.0 1.2 1.2 2.0 2.5 Omak 1.6 T34N 1.6 1.6 2.0 1.5 Cusick 2.0 Twisp Okanogan 1.5 1.4 T33N 1.8 5.5 Chewelah 5.0 1.6 T32N 1.5 Newport 1.8 Nespelem T31N 5.5 Brewster 3.0 Springdale T30N 1.4 5.5 Pateros 1.6 4.54.0 1.4 1.4 Bridgeport Elmer City Deer Park T29N Coulee Dam 1.6 1.2 1.4 Grand Coulee 1.0 1.4 2.0 5.55.0 Electric City 2.0 T28N 2.5 1.0 2.4 Chelan 2.2 T27N Mansfield 4.5 1.5 1.5 Wilbur Creston Spokane 2-Year 24-Hour Isopluvials T26N 1.5 Almira Millwood Liberty Lake Hartline Reardan Davenport Source: NOAA Atlas 2, Volume IX, 1973 4.5 2.0 Entiat Airway Heights Spokane Valley T25N 4.0 1.5Waterville 4.5 4.5 Coulee City Precipitation in inches Leavenworth Medical Lake 1.61.8 T24N 5.5 Cheney 5.0 Cashmere Harrington Rockford T23N 4.5 1.5 Spangle Wenatchee Wilson Creek Fairfield 4.5 Krupp County(2003, 1:24,000) East Wenatchee Soap Lake T22N 3.0 Rock Island 1.2 Waverly1.4 4.5 Odessa City(2003, 1:24,000) 4.0 Ephrata Sprague Latah T21N 1.5 Township/Range Malden Rosalia Tekoa 3.5 Quincy Roslyn Lamont Isopluvial(1973, 1:2,000,000) T20N 4.0 Cle Elum South Cle Elum Oakesdale NOAA/NWS Station(1931-1998) Ritzville Farmington T19N 4.0 Moses Lake Saint John 4.5 George Garfield T18N 1.0 4.0 Ellensburg Kittitas Warden Lind T17N Endicott Colfax Palouse 1.0 Colfax Royal City 1.6 T16N 4.0 4.5 La Crosse Othello 1.4 Albion T15N 4.5 Hatton0.8 Pullman 1.0 Washtucna Naches Mattawa 3.0 Tieton T14N Connell 4.0 Selah Kahlotus 1.6 Colton Yakima T13N Moxee Mesa Union Gap 1.0 Starbuck Scale 1:1,600,000 4.5 T12N 5.0 4.0 1.2 Pomeroy Miles Clarkston Wapato 0.8 1.0 1.4 T11N Harrah Zillah 0 16.5 33 Asotin Toppenish 1.6 1.2 Granger West Richland Dayton T10N Water Quality Program Sunnyside Richland Prescott 2.2 Waitsburg Benton City Pasco 2.0 Grandview 1.8 T09N 4.0 2.4 0.8 5.0 Mabton 5.5 Prosser Kennewick T08N 4.5 1.5 1.0 T07N 3.5 Walla Walla College Place 3.0 R45E R46E R47E R41E R42E R43E R44E T06N R36E R37E R38E R39E R40E 2.5 R31E R32E R33E R34E R35E T05N 3.53.0 R28E R29E R30E 1.5 R26E R27E R25E 2.0 Goldendale R24E T04N R23E R22E T03N White Salmon Bingen R21E GIS Technical Services T02N R10E R11E R12E R16E R17E R18E R19E R20E R14E R15E 03/21/05 R13E Figure_4.3.3_tr 3.0 2.2 2.2 2.2 Eastern Washington 2.0 T40N Oroville 2.2 Northport 2.2 2.6 3.0 2.0 2.4 1.8 Metaline Falls 3.2 4.0 2.4 1.8 Metaline2.2 3.2 T39N 3.5 2.2 1.6 2.0 1.8 2.2 2.0 Stormwater Manual 2.5 2.6 Ione T38N 2.5 2.6 3.0 2.4 2.6 3.2 2.0 Tonasket 2.2 2.0 Marcus T37N 2.2 2.6 2.5 2.0 Republic 2.4 2.4 3.0 2.2 2.4 2.8 4.5 1.8 2.2 Kettle Falls 2.4 T36N 5.0 5.5 2.5 Colville Conconully 2.2 4.0 2.8 2.6 3.0 Riverside T35N 2.2 2.4 Winthrop 2.0 1.6 2.0 3.5 2.2 3.0 T34N Omak 3.5 2.0 2.2 Okanogan 2.2 2.2 Cusick 2.0 Twisp 1.8 T33N 2.0 2.0 Chewelah 2.0 2.0 T32N Newport Nespelem 2.2 T31N 1.8 1.8 Brewster T30N 1.8 Springdale 2.6 4.0 Pateros 1.6 5.5 2.2 Bridgeport Elmer City 2.0 2.2 Deer Park T29N Coulee Dam 2.0 2.2 2.83.0 Grand Coulee 1.8 3.5 Electric City 2.6 T28N 1.4 4.5 3.0 Chelan T27N 4.0 Mansfield Wilbur Creston 10-Year 24-Hour Isopluvials 5.0 Spokane T26N 1.6 Almira Millwood Liberty Lake Hartline Reardan 2.0 Source: NOAA Atlas 2, Volume IX, 1973 Entiat Davenport Airway Heights Spokane Valley T25N 2.5 Waterville Coulee City 2.2 Precipitation in inches Leavenworth Medical Lake T24N 2.0 1.3 Cashmere Cheney 5.5 Harrington Rockford T23N Spangle Wenatchee Fairfield Wilson Creek Krupp County(2003, 1:24,000) East Wenatchee Soap Lake T22N Rock Island Waverly Odessa City(2003, 1:24,000) Ephrata Sprague 1.8 Latah T21N Township/Range Malden Rosalia Tekoa Quincy Roslyn 3.0 Lamont Isopluvial(1973, 1:2,000,000) T20N 3.5Cle Elum South Cle Elum Oakesdale NOAA/NWS Station(1931-1998) Ritzville Farmington T19N Moses Lake Saint John 2.0 5.5 George 1.2 4.5 Garfield T18N 2.0 Ellensburg Kittitas 1.8 Warden Lind T17N 1.2 1.4 Endicott Colfax Palouse 1.4 Colfax 4.5 2.5 Royal City T16N 2.2 La Crosse 5.0 Othello 1.6 Albion 1.6 5.5 Hatton T15N Washtucna 2.0 Pullman Naches Mattawa Tieton 1.3 4.0 4.0 T14N Connell 2.4 Selah 1.4 Kahlotus 2.2 1.6 Colton 5.5 Yakima T13N Moxee Mesa Union Gap Starbuck Scale 1:1,600,000 Pomeroy T12N 5.5 1.8 Miles Clarkston Wapato 2.0 T11N 3.5 Harrah Zillah 0 16.5 33 Toppenish Asotin Granger Dayton 2.2 T10N Water Quality Program 1.4 Sunnyside Richland Prescott 2.0 West Richland Pasco Waitsburg 2.6 Grandview Benton City 2.4 3.0 T09N 2.8 Mabton Prosser Kennewick 1.3 1.3 3.2 T08N 5.55.0 4.5 1.8 1.6 2.4 3.0 1.8 T07N Walla Walla 2.2 2.5 College Place 1.6 3.2 2.4 R45E R46E R47E 4.0 R42E R43E R44E T06N R37E R38E R39E R40E R41E R31E R32E R33E R34E R35E R36E T05N R28E R29E R30E 4.5 R26E R27E R25E Goldendale R24E T04N R23E R22E T03N White Salmon Bingen R21E GIS Technical Services T02N R10E R11E R12E R16E R17E R18E R19E R20E R14E R15E 03/21/05 R13E Figure_4.3.4_tr 2.6 2.6 Eastern Washington 5.0 2.6 Northport T40N 5.0 Oroville 2.8 2.2 2.4 3.4 2.2 2.62.8 Metaline Falls 2.0 Metaline 5.0 2.0 2.22.2 2.6 T39N 3.0 Stormwater Manual 4.0 1.8 2.4 3.0 Ione T38N 5.0 3.0 2.2 3.0 3.0 3.0 2.5 Tonasket 2.82.6 T37N 2.6 Marcus 3.03.4 3.0 2.6 Republic2.4 2.42.8 2.6 2.2 2.2 2.6 Kettle Falls 2.8 2.8 T36N 5.5 2.5 2.4 Conconully 2.0 3.0 2.4 Colville 3.4 2.0 2.2 2.0 2.2 2.6 T35N Riverside 2.8 Winthrop 2.0 3.4 8.0 2.6 2.4 2.6 3.0 T34N 4.0 Omak 2.6 2.2 2.5 2.6 Cusick Twisp Okanogan 2.6 1.8 2.2 2.2 T33N 2.5 1.8 2.4 Chewelah 4.0 1.8 2.6 T32N Newport 3.0 2.5 2.8 Nespelem T31N 2.2 4.5 3.5 Brewster 2.2 Springdale T30N 3.0 Pateros 2.0 2.6 2.0 2.4 Bridgeport Elmer City 2.6 Deer Park 2.6 T29N Coulee Dam 2.4 3.0 2.8 Grand Coulee 3.8 Electric City 3.4 3.0 T28N 2.4 1.8 Chelan T27N Mansfield 3.0 Wilbur Creston Spokane 25-Year 24-Hour Isopluvials T26N Almira Millwood Liberty Lake Hartline Reardan 2.2 Source: NOAA Atlas 2, Volume IX, 1973 Entiat 2.5 Davenport Airway Heights Spokane Valley T25N 3.0 Waterville Coulee City Precipitation in inches 4.0Leavenworth Medical Lake T24N Cashmere Cheney 2.0 Harrington Rockford Spangle T23N 1.6 5.5 Wenatchee Wilson Creek Fairfield Krupp County(2003, 1:24,000) East Wenatchee Soap Lake T22N Rock Island Waverly City(2003, 1:24,000) 5.0 Odessa Ephrata Sprague Latah T21N Township/Range Malden Rosalia Tekoa 4.5 Quincy Roslyn Lamont Isopluvial(1973, 1:2,000,000) T20N Cle Elum South Cle Elum Oakesdale NOAA/NWS Station(1931-1998) Ritzville Farmington T19N Moses Lake Saint John 2.5 George 5.5 T18N Garfield Ellensburg 1.6 Kittitas Warden Lind T17N Endicott Palouse 1.8 Colfax Colfax Royal City 1.4 T16N 3.5 Othello 1.6 La Crosse Albion 2.2 Hatton T15N Washtucna Pullman 2.0 2.4 2.0 Mattawa 2.6 5.0 Naches Tieton T14N Connell Selah Kahlotus 6.0 Colton Yakima T13N Moxee 1.8 Mesa Union Gap Starbuck Scale 1:1,600,000 T12N 1.8 Pomeroy 2.2 Miles Clarkston Wapato T11N Harrah Zillah 2.4 0 16.5 33 Toppenish 1.6 Asotin 4.0 1.6 Granger West Richland Dayton 2.6 T10N Water Quality Program Sunnyside Richland Prescott Waitsburg 3.0 Benton City Pasco Grandview 2.8 T09N 3.8 Mabton Prosser 3.6 Kennewick 3.0 2.2 T08N 3.0 5.55.0 1.8 3.6 2.5 T07N Walla Walla 2.6 2.0 College Place R45E R46E R47E R41E R42E R43E R44E T06N R36E R37E R38E R39E R40E R31E R32E R33E R34E R35E 5.0 T05N R28E R29E R30E 5.5 R26E R27E R25E Goldendale R24E T04N R23E R22E T03N White Salmon Bingen R21E GIS Technical Services T02N R10E R11E R12E R16E R17E R18E R19E R20E R14E R15E 03/21/05 R13E Figure_4.3.5_tr 3.8 5.55.0 Eastern Washington Oroville 2.8 Northport T40N 2.8 3.8 2.6 3.0 3.4 2.2 2.8 Metaline Falls 3.5 2.6 3.0 5.5 2.2 2.2 Metaline T39N 2.8 2.2 2.8 2.8 Stormwater Manual 2.6 2.0 Ione T38N 2.0 2.8 3.2 3.4 Tonasket 2.4 3.4 5.0 3.5 3.2 3.02.8 2.8 3.4 3.8 T37N Marcus 3.6 Republic 2.4 3.2 2.8 2.8 2.8 3.0 3.0 2.8 2.62.4 3.4 Kettle Falls 3.0 2.6 T36N 2.6 3.0 Conconully Colville 3.6 2.5 2.6 3.0 2.6 2.2 2.8 T35N Riverside2.4 Winthrop 3.0 3.4 2.4 3.6 Omak 2.8 T34N 4.0 2.8 Cusick Twisp Okanogan 2.2 T33N 5.0 2.8 2.42.6 Chewelah 2.2 2.8 2.4 T32N Newport 3.5 2.8 Nespelem T31N 3.0 4.5 2.0 Brewster 2.4 Springdale T30N 5.0 Pateros 2.4 3.0 Bridgeport Elmer City 2.6 2.8 Deer Park T29N Coulee Dam 2.8 2.6 Grand Coulee 2.2 3.8 Electric City 3.4 T28N 2.0 Chelan 2.8 T27N Mansfield 3.0 Wilbur Creston Spokane 50-Year 24-Hour Isopluvials T26N Almira 1.8 Millwood Liberty Lake Hartline Reardan Source: NOAA Atlas 2, Volume IX, 1973 Entiat Davenport Airway Heights Spokane Valley T25N Waterville Coulee City Precipitation in inches Leavenworth Medical Lake 2.4 T24N 4.0 Cashmere3.0 Cheney Harrington 2.6Rockford T23N Spangle Wenatchee Wilson Creek Fairfield Krupp County(2003, 1:24,000) 5.0 East Wenatchee Soap Lake T22N Rock Island Waverly Odessa City(2003, 1:24,000) Sprague Latah 5.5 Ephrata T21N Township/Range Malden Rosalia Tekoa Quincy Roslyn Lamont Isopluvial(1973, 1:2,000,000) T20N Cle Elum South Cle Elum Oakesdale NOAA/NWS Station(1931-1998) Moses Lake Ritzville Farmington T19N 2.5 Saint John George T18N Garfield Ellensburg Kittitas Warden Lind T17N Endicott Colfax Palouse Colfax 2.0 Royal City T16N 1.6 Othello La Crosse Albion Hatton T15N Washtucna Pullman 2.0Naches Mattawa 1.8 2.8 5.5 Tieton 2.2 4.5 T14N Connell Selah Kahlotus 3.5 Colton Yakima 2.0 T13N 5.0 Moxee Mesa Union Gap Starbuck Scale 1:1,600,000 T12N Pomeroy Miles 2.4 Clarkston Wapato 2.6 T11N Harrah Zillah 2.0 0 16.5 33 Asotin Toppenish