204 Ninth Annual Report of the 



Lawrence Yallej/64.9 degrees; the Great Lakes, ^foS degrees; the 

 Central Lakes, 66.9 degrees. Tlie average temperature at 24 

 stations possessing records for previous years was 1.7 degrees below 

 the normal. Deficiencies obtained in all regions, but were greatest 

 in northern Nevv York. 



Tlie mean relative humidity was 16 per cent. The mean dew 

 point was 59 degrees. 



The average precipitation for the State was 3.06 inches, as 

 derived from the records of 103 stations. The rainfall exceeded 4 

 inches in much of eastern New York, while near Lake Ontario and 

 the Genesee valley the amount was under two inches. The greatest 

 local precipitation was 6.60 inches at Cooperstown, the least being 

 0.20 inclies at Mt. Morris. A list of the heaviest rates of rainfall 

 will be found in the Table of Meteorological Data. The rainfall 

 for the State was 0.28 inches below the normal amount, as derived 

 from the records of 25 stations possessing records for previous 

 years. The amounts were in excess through the Hudson and 

 Champlain Yalleys, and deficient in the western section. 



The average number of days on which the precipitation 

 amounted to 0.01 inches or more was 9.6. The number of rainy 

 days was greatest in the Northern Plateau and the Champlain Yal- 

 ley, and least in the vicinity of the Great Lakes. The average 

 number of clear days was 13.3; of partly cloudy days, 11.5; of 

 cloudy days, 6.2, giving an average cloudiness of 43 per cent. The 

 maximum cloudiness obtained in northern New Y ork, and the 

 minimum in the eastern-central section. 



The prevailing winds were from the west. The average total 

 wind travel at 6 stations of the National Bureau was 6,290 miles, 

 the values being in excess of the usual mileage for August. The 

 maximum velocity recorded was 49 miles per hour at New York 

 city on the 22d. 



