Meteorological Summary for December, 1896. 



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

 degrees Fahr.) for the State of New York during December was 

 30.18 inches. The highest barometer was 30.96 inches at Albany 

 on the 27th, and the lowest was 29.44, also at Albany, on the 9th. 

 The highest mean pressure obtained over the eastern-central sec- 

 tion, and the lowest in the vicinity of Lake Ontario. The average 

 pressure at 6 stations of the National Bureau was 0.10 inches 

 above the normal, the greatest excess being 0.13 inches at Albany. 



The mean temperature of the State, as derived from the record)* 

 of 75 stations, was 25.3 degrees; the highest local monthly mean 

 being 32.8 degrees at Setauket, and the lowest 16.1 degrees at 

 Saranac Lake. The highest daily mean for the State was 41 de- 

 grees on the 6th and 13th, and the lowest was 5 degrees on the 

 24th. The maximum temperature reported was 69 degrees at 

 Waverly on the 6th ; the minimum being 20 degrees below zero at 

 North Lake on the 22d, at Saranac Lake on the 25th, and at Wap- 

 pingers Falls on the 26th. The mean monthly range of tempera- 

 ture for the State was 58 degrees; the greatest range, 80 degrees, 

 occurring at New Lisbon, and the least, 44 degrees at Arkwrlght 

 and Erie, Pa. The mean daily range was 15 degrees; the greatest 

 daily range being 50 degrees at South Kortright on the 29th, and 

 the least, 1 degree, at Brooklyn on the 23d. The mean tempera- 

 tures of the several regions were as follows: The Western 

 Plateau, 27.5 degrees; the Eastern Plateau, 25.9 degrees; the 

 Northern Plateau, 19.3 degrees; the Atlantic Coast, 30.4 degrees; 

 the Hudson Valley, 25.3 degrees; the Mohawk Valley, 24.1 de- 

 grees; the Champlain Valley, 21.8 degrees; the St. Lawrence 

 Valley, 21.8 degrees; the Great Lakes, 28.9 degrees; the Central 

 Lakes, 27.9 degrees. The average of the mean temperatures at 



