Meteorological Summary for December, 1897. 



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

 degrees Fahr.) for the State was 30.06 inches. The highest ba- 

 rometer was 30.62 inches at Albany on the 3d, and the lowest, 29.27 

 inches at New York city on the 31st. The mean pressure was 

 highest near the eastern and southern borders. The mean pres- 

 sure at 6 stations of the National Bureau was 0.01 inches below 

 normal, deficiencies obtaining at all stations excepting Albany. 



The mean temperature of the State was 28.2 degrees, as derived 

 from observations of maxima and minima at 84 stations. The 

 highest local mean was 36.7 degrees at Setauket, L. I. ; the lowest 

 being 19.8 degrees at Saranac Lake. The highest general daily 

 mean was 49 degrees on the 11th, and the lowest, 9 degrees on 

 the 24th. The maximum temperature recorded was 65 degrees 

 at Lyons on the 9th, the minimum being 21 degrees below zero 

 at Canton on the 25th. The mean monthly range of temperature 

 for the State was 61 degrees, the greatest local value being 79 

 degrees at Canton, and the least, 48 degrees at Setauket. The 

 mean daily range was 15 degrees. The greatest local daily range 

 was 50 degrees at Canton on the 25th, and at Poughkeepsie on 

 the 28th, the least being 1 degree at Lake Placid on the 6th, The 

 mean temperatures of the various sections of the State were as 

 follows: The Western Plateau, 29.7 degrees; the Eastern Pla- 

 teau, 28.6 degrees; the Northern Plateau, 22.4 degrees; the Atlan- 

 tic Coast, 34.9 degrees; the Hudson Valley, 30.3 degrees; the 

 Mohawk Valley, 26.5 degrees; the Champlain Valley, 25.2 de- 

 grees; the St. Lawrence Valley, 24.2 degrees; the Great Lake 



