198 Eighth Annual Report of the 



grees; the Nortliern Plateau, 65.8 degrees; the Atlantic Coast, 

 72.3 degrees; the Hudson Valley, 71.4 degrees; the Mohawk Val- 

 ley, 67.8 degrees; the Champlaln Valley, 68.0 degrees; the St. 

 Lawrence Valley, 68.0 degrees; the Great Lakes, 67.9 degrees; the 

 Central Lakes, 70.2 degrees. The average of the mean tempera- 

 tures at 24 stations possessing records for previous years was 1.3. 

 degrees above the normal, deficiencies occurring at only three 

 scattered stations. At Waverly, Setauket and Baldwinsville the 

 temperature was the highest for August during the period covered 

 by their several records. 



The mean relative humidity was 74 per cent. The mean dew 

 point was 59 degrees. 



The average precipitation, as derived from the records of 97 sta- 

 tions, was 2.98 inches. Along the eastern border of the State, and 

 over small areas of the western highlands and the St. Lawrence 

 Valley, the amount exceeded 4 inches; while a considerable terri- 

 tory^ near the southern border received less than 2 inches. The 

 maximum local amount was 5.95 inches at Plattsburg Barracks, 

 and the least was 0.72 inches at Appleton. The rain periods of 

 the month were as follows: On the 2d and 6th to 7th, general; 

 from the 9th to 32th showers in western New York; and on the 

 13th, 14th, 16th, 18th, 22d to 23d, 26th to 27th and 31st, general 

 rains occurred. 



The average number of days on which the precipitation 

 amounted to 0.01 inches or more was 9.3; the rain frequency being 

 least in central New York, and greatest in the northern section. 

 The average number of clear days was 12.9; of partly cloudy days, 

 13.5; and of cloudy days, 4.6; giving an average cloudiness of 41 

 per cent, for the State. 



