26 



MASS. EXPERIMENT STATION BULLETIN 433 



Table 9.— Rainfall in March and April and Massachusetts Cranberry 



Production. 



Rainfall 

 March and April 



Year 



Inches' 



Departure 



from 



Average 



Potential 

 Production, 

 Departure 



from 

 Average- 

 (Percent) 



1889 8.11 -0.23 



1890 12.65 +4.31 



1891 8.82 +0.48 



1892 7.06 -1.28 



1893 10.05 +1.71 



1894 .. 5.60 -2.74 



1895 7.19 -1.15 



1896 6.66 -1.68 



1897 7.09 -1.25 



1898 8.64 +0.30 



1899 8.81 +0.47 



1900 6.10 -2.24 



1901 13.96 +5.62 



1902 9.53 +1.19 



1903 12.51 +4.17 



1904 10.38 +2.04 



1905 4.75 -3.59 



1906 9.96 +1.62 



1907 6.11 -2.23 



1908 6.26 -2.08 



1909 9.26 +0.92 



1910 4.50 -3.84 



1911 7.19 -1.15 



1912 10.59 +2.25 



1913 9.09 +0.75 



1914 8.91 +0.57 



1915 2.78 -5.56 



iFrom Table 12. 

 Coefficient of Correlation 



-25.7 

 -6.9 



+ 15.6 

 + 10.7 

 + 21.9 

 -24.7 

 + 19.5 



+9.7 



-31.7 



-30.4 



-6.3 



-8.3 



+ 22.1 

 -15.0 

 + 11.2 

 +51.9 

 -19.5 



-3.0 



-12.2 

 -30.1 



+ 11.4 

 + 30.0 



-15.9 



+ 11.0 



-5.1 



+ 11.9 



+ 2.6 



Year 



Rainfall 

 March and April 



Departure 

 Inches' from 



Average 



1916 8.59 



1917 9.80 



1918 6.83 



1919 7.92 



1920 10.01 



1921 8.36 



1922 8.28 



1923 10.41 



1924 9.43 



1925 5.92 



1926 5.26 



1927 2.88 



1928 7.75 



1929 11.99 



1930 3.93 



1931 10.41 



1932 6.96 



1933 14.31 



1934 7.24 



1935 6.64 



1936 9.62 



1937 8.63 



1938 5.91 



1939 12.43 



1940 11.50 



Average. . . 8.34 



Potential 

 Production, 

 Departure 



from 

 Average^ 

 (Percent) 



+0.25 

 + 1.46 

 -1.51 

 -0.42 



+ 1.67 



+0.02 

 -0.06 



+ 2.07 

 + 1.09 

 -2.42 



-3.08 

 -5.46 

 -0.59 

 +3.65 

 -4.41 



+ 2.07 

 -1.38 

 +5.97 

 -1.10 

 -1.70 



+ 1.28 

 + 0.29 

 -2.43 

 + 4.09 

 +3.16 



-11.6 

 -1.0 



+41.3 

 -3.1 



-25.0 



-34.4 



+ 0.4 



+ 17.5 



+ 7.5 

 + 21.8 



+3.7 

 -10.4 

 -20.3 



+ 4.1 

 - 4.0 



+9.2 



+ 2.2 



+ 18.4 



-27.3 



-5.3 



-8.1 

 + 24.8 

 -21.7 



+ 4.9 

 -10.7 



+0.234 ±0.( 



2From Table 1. 



