Lewis County 



385 



Black River valley of central Lewis County, which is elevated 

 900 feet above sea level. The present observer at this station is 

 Raymond R. Jansen. 



Average dates for the last killing frost in spring and the first 

 in fall are May 18 and September 24, respectively, giving a grow- 

 ing season of 129 days. 



The following table, which covers all available records to the 

 end of 19 1G, a period of 50 years, shows both normal and extreme 

 temperatures and precipitation. 



Record of Temperature and Precipitation at Lowville 



January. . . . 

 February. . . 



March 



April 



May 



June 



July 



August 



September. . 

 October. . . . 

 November. . 

 December . . . 



Year 



Temperature 



Aver- 

 age 



18.8 

 18.9 

 28.8 

 42.6 

 54.3 

 62.9 

 67.7 

 64.9 

 57.9 

 46.7 

 34.8 

 22.9 



43.4 



Highest 

 maximum 



Degrees Year 



GO 

 57 

 72 

 86 

 92 

 95 

 97 

 94 

 92 

 84 

 72 

 60 



97 



1906 



1906 



1905 



1915 



1911 



1913 



1911 



1899* 



1900 



1900 



1909 



1914* 



1911 



Lowest 

 minimum 



Degree? Year 



-37 



—32 



—22 



4 



20 



31 



35 



32 



24 



13 



— 5 



-31 



1914 

 1908 

 1897 

 1S98 

 1903 

 1906 

 1898 

 1909 

 1904 

 1903 

 1911 

 1914 



1914 



Precipitation 



Average 

 inches 



2.70 



2.68 



2.37 



33 



10 

 44 

 .31 

 IS 

 86 



3 40 

 3.36 

 3.05 



36.01 



Amount in 24 

 hours 



Greatest 



record 



inches 



1.81 

 1.53 



2.40 

 1.22 



2.80 

 4.38 



Year 



1915 

 1908 

 1900 

 1914 

 1916 

 1903 

 1902* 

 1893 

 1913 

 1903 

 1900 

 1901 



1893 



Snow, 

 average 



depth 

 in inches 



24.0 



23.9 



12.8 



3.7 



T. 



T. 



1.1 



11.7 



23.4 



100.6 



Also earlier years. 



The second station is located at Number Four in the extreme 

 eastern part of the county, at an elevation of 1,571 feet. At this 

 point the average dates for the last killing frost in spring and the 

 first in fall are May 19 and September 18, respectively, giving 

 a growing season of 122 days. 



The following table shows both normal and extreme tempera- 

 tures and precipitation during the period from 1889 to 1905: 

 13 



