Meterological Summary for April, 1897. 



The average atmospheric pressure (reduced to sea-level and 32: 

 deg. Fahr.) for the State of Kew York during April was 30.09 

 inches. The highest barometer was 30.71 inches at Buffalo on 

 the 20th, and the lowest, 29.52 inches, at Ithaca on the 9th. The 

 lowest mean pressure obtained in the vicinity of Lake Ontario. 

 The average pressure at the six stations of the National Bureau was 

 0.08 inches above the normal, excesses occurring at all stations. 



The mean temperature of the State, as derived from the records 

 of 79 stations, was 45.1 degrees. The highest local mean was 50.8 

 degrees at Brooklyn, and the lowest, 37.2 degrees, at North Lake. 

 The highest general daily mean was [62 degrees on the 24-th and 

 25th, the lowest being 29 degrees on the 20th. The maximum 

 temperature reported was 89 degrees at Garrattsville on the 24th, 

 the minimum being 3 degrees at Little Falls (Station 2a) on the 

 19th. The mean monthly range of temperature for the State was 

 62 degrees, the greatest local range being 80 degrees at Garratts- 

 ville, and the least, 42 degrees, at Manhattan Beach, The mean 

 daily range was 21 degrees. The greatest local daily range was 52 

 degrees at Canton on the 22d, and the least, 1 degree, at Westfield 

 on the ]9th. The mean temperatures of the various regions were 

 as follows : The Western Plateau, 44.7 deg.; the Eastern Plateau, 

 44.7 deg,; the Northern Plateau, 41 .4 deg.; the Atlantic Coast, 48.5 

 deg,; the Hudson Valley, 48,3 deg.; the Mohawk Valley, 44,9 deg.; 

 the Champlain Valley, 44.0 deg.; the St. Lawrence Valley, 43.3 

 deg.; the Great Lakes, 45.1 deg.; the Central Lakes, 46.3 deg. 

 The average of the mean temperatures at 26 stations possessing 

 records for previous years was 1.3 degrees above the normal ex- 

 cesses occurring at ail stations excepting Lowville and Potsdam. 

 In general the departures were greatest at southern and central 

 stations. 



The mean relative humidity for the State was 67 per cent. The 

 mean dew point was 35 degrees. 



