154 MASS. EXPERIMENT STATION BULLETIN 212. 



Table ill. — Teni-perature and Frost Records. 



1890 

 1891 

 1892 

 1893 

 1894 

 1895 

 1896 

 1897 



1900 

 1901 

 1902 

 1903 

 1904 

 1905 

 1906 

 1907 



1910 

 1911 

 1912 

 1913 

 1914 

 1915 

 1916 

 1917 

 1918 

 1919 

 1920 

 1921 



Hourly Tempbratuhe (Degrees 

 Fahrenheit). 



April. 



49.3 

 46.5 

 49.4 

 48.7 

 44.7 

 47.9 

 46.9 

 49.2 

 46.5 

 43.0 

 48.1 

 46.9 

 46.8 

 47.3 

 46.9 

 42.5 

 45.6 

 45.1 

 41.5 

 45.1 

 44.4 

 50.6 

 43.7 

 45.2 

 47.6 

 42.1 

 49.9 

 43.9 

 42.9 

 45.7 

 45.4 

 43.2 

 51.5 



May. 



61.4 

 57.1 

 57.3 

 56.1 

 58.7 

 58.7 

 61.3 

 62.4 

 57.1 

 55.6 

 55.7 

 55.4 

 56.2 

 57.0 

 59.2 

 60.1 

 56.9 

 56.7 

 51.8 

 59.2 

 55.5 

 56.1 

 61.9 

 58.1 

 55.6 

 59.0 

 54.1 

 55.9 

 49.3 

 62.1 

 57.6 

 54.6 

 58.9 



June. 



67.7 

 65.3 

 66.6 

 70.3 

 69.0 

 69.4 

 70.5 

 65.0 

 61.8 

 66.0 

 67.4 

 67.1 

 68.0 

 63.5 

 59.6 

 65.0 

 64.4 



63.9 

 67.6 

 66.4 

 63.8 

 64.5 

 65.0 

 66.4 

 64.4 

 64.2 

 61.1 

 65.3 

 62.9 

 68.4 

 04.5 

 66.9 



July. August 



65.5 

 67.2 

 70.2 

 70.0 

 71.0 

 69.3 

 70.4 



68.2 

 72.2 

 71.4 

 73.5 

 69.3 

 70.7 

 70.5 

 70.9 

 70.1 

 70.6 

 72.5 

 67.8 

 68.9 

 69.8 

 71.1 

 70.1 

 70.0 

 72.5 

 68.7 

 72.1 

 73.7 

 71.6 

 71.4 

 67.7 



71.6 

 71.7 

 70.1 

 71.8 

 68.3 

 73.4 



66.0 



68.0 

 70.1 



66.1 

 62.0 

 66.4 

 65.8 

 70.5 

 66.1 

 66.6 

 66.5 

 67.1 

 67.8 

 66.4 

 69.5 

 68.9 



70.9 

 70.5 

 65.8 

 70.2 



Last 

 Spring 

 Frost. 



May 26 

 May 12 

 May 19 

 May 10 

 May 8 

 May 22 

 May 17 

 May 1 

 May 8 

 April 27 

 May 4 

 May 29 

 May 6 

 May 14 

 May 2 

 April 23 

 May 24 

 May 20 

 May 22 

 June 3 

 May 12 

 May 6 

 May 5 

 May 1 

 May 15 

 May 16 

 May 20 

 May 19 

 May 18 

 April 26 

 May 1 

 April 26 

 May 12 



