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f, 0yO SYMONS'^- KK MONTHLY METEOROLOGICAL MAGAZINE VOLUME THE THIRTY-THIRD. 1898. LONDON: EDWAED STANFORD, COCKSPUR STREET, S.W. 1899. INDEX. Aeronautical Conference at Stras- Dry Winter of 1897-98, The... 39, 53, 66 burg, The International ........ 81 Earthquake of June 12th, 1897, Africa, South, Floods and Storms in 41,85 The Great Assam .................. 166 Algeria, The Climate of ............... 49 Earth Temperature ..... ............... 24 American Association, The ......... 120 Edinburgh, Climate of .............. 7 Anticyclones and Frost ............... 179 Errata in Meteor. Magazine, 1897... 112 Assam, The Great Earthquake of, Evaporation and Temperature ...... 116 June 12th, 1897 .................. 166 February 21st, West of England August, Thunderstorms of July and 120 SnowStorm ........................ 17 Aurora........................... 42, 136, 182 FitzRoy, Admiral........................ 161 Aurora of September 9th, 1898...... 136 Floods and Storms in South Africa 41, 85 Australasian Society for the Ad Flowers, the Colours of, and Drought 169 vancement of Science, The... 26, 40 Geology, Hydrology and Climato Australasian Weather Guide, logy, Fifth International Con Wragge's .................. ..... 87, 151 gress on .............................. 89 Balloon Ascents, Scientific............ 84 Gloomy Summers of 1860 and 1879 Barometer, High, Warmth, Dry- and the 19 years' Cycle, The...57, 73 ness and, in January, 1898...... 5 Godfridus The Book of Knowledge 179 Belgium, Meteorology in ............ 135 Heat and Drought in Sept., 1898... 129 Book of Knowledge ..................... 179 Heavy Rains, Oct. 15th-18th, 1898 154 Black Rain................................. 40 High Barometer, Warmth, Dryness Bristol, The British Association at 145,164 and, in January, 1898........... 5 British Association at Bristol.., 145, 164 Hydrology, Climatology and Geo British Local Meteor. Publications 97, 113 logy, Fifth International Con British Rainfall........................... 170 gress on .............................. 89 Buys-Ballot .............................. 26 International Aeronautical Confer Camden Square, Meteorological Ob ence at Strasburg, The ......... 81 servations at, for the 40 years International Congress on Hydro 1858-97 .........1, 21, 37, 52, 68, 91, logy, Climatology and Geology, 106, 123, 139, 155, 171, 183 The Fifth ... ....................... 89 Climate of Algeria, The ............... 49 January, 1898, Warmth, Dryness ,, ,, Edinburgh .................. 7 and High Barometer in ......... 5 Paris, The .................. 33 July, 1898, Drought in ............... 116 Climatological Tables for the British July and August, Thunderstorms of 120 Empire .........12, 28, 44, 60, 76, 92, July 26th and 27th, 1897, Heavy 108, 124, 140, 156, 172, 184 Rainfall at Jewell, Maryland, Climatology, Geology and Hydro U.S.A. .............................. 72 logy. Fifth International Con June 12th, 1897, The Great Assam gress ................................. 89 Earthquake of ..................... 166 Clouds, Altitude of ...... .............. 181 Lightning Conductors.................. 65 Colours of Flowers and Drought ... 169 Lightning on an Oak Tree, The Cycle of 19 years and the Summers effect of ........................ 136,154 of 1860 and 1879 ..................57, 73 Local Meteorological Publications, Drought and Heat in Sept., 1898 ... 129 British ........................... 97, 113 Drought and the Colours of Flowers 169 Lunar Rainbow........................... 152 Drought in July ........................ 116 Maryland, U.S.A., Heavy Rainfall Drought, The, of 1898 ............... 153 at Jewell, July, 1897 ............ 72 Dryness, Warmth and High Baro Mauritius, Publications of the Royal meter in January, 1898 ......... 5 Alfred Observatory ............89, 168 IV. INDEX. Meteorological Notes on the Months 15 Ueber das Wetterschiessen am 31, 47, 63, 79, 95, 11J, 127, 143, sudostlichen Abhange des Bac- 159,175, 187 hergebebirges nachstWindisch- Meteorological Observations at Feistritz (Steiermark) von Al Camden Square, London, for bert Stiger........................... 58 the 40 years, 1858-97 1, 21, 37, 52, Blue Hill Meteorological Observa 68, 91, 106, 123, 139, 155, 171, 183 tory. A. Lawrence Rotcli, Meteorological Publications, British Director. Exploration of the Local.............................. 97, 113 Air by means of Kites............ 58 Meteorological Society, The Royal 10, Weather Lore : Proverbs, Say 22, 43, 59, 67, 107, 169, 177 ings and Rules concerning the Meteorology in Belgium............ .. 135 Weather, compiled by Richard Meteorology, The Genesis of, and Inwards, F.R.A.S. ............... 75 Admiral FitzRoy .................. 161 Science Progress. New Series, Nicaragua, Rainfall in.................. 170 Vol. II., No. 8. Miers "On Oak Tree, The effect of Lightning Meteorites" ........................ 87 on an ........................... 136, 154 Wragge's Australasian Weather October 15th-18th, 1898, Heavy Rains 154 Guide and Almanac for 1898 87, 151 Paris, The Climate of .................. 33 Earthquakes and other Earth Publications of the Royal Alfred Movements, by J. Milne,F. R. S., Observatory, Mauritius ...... 89, 168 F.G.S.................................. 88 Rain, Black ............... .............. 40 Congres National d' Hygiene et Rainbow, Lunar ........................ 152 de Climatologie M^dicale de la Rainfall in Nicaragua .................. 170 Belgique et du Congo ............ 167 Rainfall, The Heavy, at Jewell, Etudes internationales desNuages Maryland, U.S.A., July 26th 1896-7.......................... ...... 181 and 27th, 1897 ........ ............ 72 Rainfall, Summer........................ 69 Science, Australasian Society for the Rainfall and Temperature, Monthly 14, advancement of .................. 26, 40 30, 46, 62, 78, 94, 110, 126, 142, Scientific Balloon Ascents ..... ...... 84 158, 174, 186 September 9th, 1898, The Aurora of 136 Rains, Heavy, Oct. 15th-18th, 1898 154 Sept., 1898, Heat and Drought in... 129 Rockall .................... ............... 119 Snow Storm, February 21st, West REVIEWS : of England........................... 17 The Meteorology of Edinburgh. Storms and Aurora ..................... 182 Parts I. and II. By R. C. Moss- Strasburg, The Aeronautical Con man, F.R.S.E. .................... 7 ference at .......................... 81 Ueber Moorausbruche, von Jakob Storms and Floods in South Africa 41, 85 Friih ................................. 9 Summer Rainfall ........................ 69 Neudrucke von Schriften und Summers of 1860 and 1879 and the Karten ... von Prof. Dr. Hell- 19 years'Cycle .................. 57,73 mann. No. 10, Rara Mag- Supplementary Tables of Rainfall 13, 29, netica, 1269-1599. No. 11, 45, 61, 77, 93, 109, 125, 141, Winkler, Franklin, Dalibard, 157, 173, 185 Le Monnier. Ueber Luftelek- Temperature and Evaporation ...... 116 tricitiit, 1746-1753 ............... 10 ,, Underground ... 24 Der Tagliche Warmeumsatz im Thunderstorms of July and August 120 Boden, und die Warmestrah- Warmth, Dry ness and High Baro lung zwischen Himmel und meter in January, 1898 ......... 5 Erde von Dr. Theodore Homen 24 Weather Guide, Wragge's Austral Observational Astronomy: a prac asian .............................. 87, 151 tical book for amateurs. By Weather Proverbs .................. 75,181 Arthur Mee, F.R.A.S. ........ 38 Well Record, A long if not unique 70 Beitrage zur Geophysik. Zeit- West of England Snow Storm, echrift fur physikalische Erd- February 21st ........................ 17 kunde. Heraus-gegeben von West India Hurricane.................. 177 Prof. Dr. Georg Gerland. Band Winter, The Dry, of 1897-98 39, 53, 66 III. Heft land 2 ............... 38 SYMONS'S MONTHLY METEOROLOGICAL MAGAZINE. CCCLXXXV.J FEBRUARY, 1898. METEOROLOGICAL OBSERVATIONS AT CAMDEN SQUARE, LONDON, N.W. Lat. 51° 32' 40" N. ; Lon. 0° 8' 0" W. Altitude 111 ft. I WOULD always rather refer to the work of someone else than to my own, but there are few records of meteorological observations day and night for forty years without a break, absolutely uniform in system, nearly so as to instruments and locality, and mostly made by one person. Moreover, rightly or wrongly, special interest attaches to the climate of the million-peopled metropolis, and there is no station with suitable exposure in or near London which has been at work nearly so long as that at Camden Square. For these reasons I have had the records worked up, and intend to give during the present year a series of tables for each month similar to that for January on p. 4. In this long period there have, of course, been more than 14,000 days, giving considerably more than 500,000 entries, and to compress the results of one-twelfth of these into a single-page table has not been easy ; hence considerable care must be used in quoting from the table, and the following explanations, which will apply to all the series, should be read carefully. EXPLANATIONS. Each table refers to the 40 months of that name, and is entirely independent of any other month or months. The values refer to the 40 years beginning with January 1st, 1858, except as under ,- Grass minimum (38 years) ... ... begun Jan. 1st, 1860 Solar Radiation, Black Bulb (28 years)... ,, ,, ,, 1870 Temp, of Soil at 1 foot (27 years) ... ,, ,, ,, 1871 Solar Radiation, Bright Bulb (20 years) ,, ,, ,, 1878 The barometer has always been within a few feet of 110 ft. above VOL. XXXIIJ. B 2 SYMONS'S MONTHLY METEOROLOGICAL MAGAZINE. mean sea level (111 ft. from