Meteorological Summary for September, 1897. 



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

 degrees Falir.) for Kew York State was 30.15 inches. The highest 

 barometer was 30.44 inches at Albany on the 4th, and at Buffalo 

 and Erie on the 28th. The lowest pressure was 29.76 inches at 

 Jthaca on the 26th. The average pressure over the State. was ex- 

 ceptionally uniform. Excesses occurred in all sections, the average 

 departure for 6 stations of the National Bureau being 0.08 inches. 



The mean temperature for the State was 60.3 degrees as 

 derived from observations of maxima and minima at 88 sta- 

 tions. The highest local mean was Q6.6 degrees at Brookljm, 

 while the lowest was 55.1 degrees at North Lake. The highest 

 general daily mean was T7 degrees on the-lOth, the lowest being 47 

 degrees on the 28th. The maximum temperature reported was 97 

 degrees at Romulus on the 10th and at Wedgewood on the 16th ; 

 the minimum being 23 degrees at Franklinville on the 28th. The 

 mean monthly range of temperature for the State was 56 degrees ; 

 the greatest local value being 68 degrees at Franklinville, and the 

 least, 42 degrees at Setauket and Buffalo. The mean daily range 

 M'as 23 degrees ; greatest, 48 degrees, at Watkins on the 16th and 

 at Waverly on the 30th. The mean temperatures of the various 

 sections were as follows : The Western Plateau, 60.1 degrees ; the 

 Eastern Plateau, 59.3 degrees ; the Northern Plateau, 56.3 degrees ; 

 the Atlantic Coast, 64.1 degrees ; the Hudson Yalley, 61.0 degrees; 

 the Mohawk Yalley, 59.2 degrees , the Champlain A^alley, 58.6 de- 

 grees; the St. Lawrence Yalley, 59.0 degrees ; the Great Lakes, 62.3 

 degrees ; the Central Lakes, 62.7 degrees. The average temperature 

 at 25 stations jDossessing records for previous years was 0.1 degrees 

 below the normal. Excesses were generally reported from western 

 New York, and deficiencies from the eastern section. 



The mean relative humidity for the State was 74 per cent. The 

 mean dew-point was 52 degrees. 



