YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | 22.00 | 20.00 | 36.00 | 40.00 | 42.00 | 50.00 | 44.00 | 30.00 | 22.00 | 11.00 | ----- | z | ||||||||||
1938 | 10.00 | 2.00 | 20.00 | 20.00 | 22.00 | 40.00 | 47.00 | 47.00 | 42.00 | 31.00 | 10.00 | ----- | z | ----- | z | |||||||||||
1939 | 5.00 | -3.00 | a | 11.00 | 21.00 | 34.00 | 43.00 | 50.00 | 48.00 | 38.00 | 26.00 | 21.00 | 7.00 | -3.00 | a | |||||||||||
1940 | 1.00 | 12.00 | 20.00 | 25.00 | d | 36.00 | 43.00 | 50.00 | 45.00 | 42.00 | 26.00 | 14.00 | 18.00 | 1.00 | d | |||||||||||
1941 | 16.00 | 21.00 | 23.00 | a | 20.00 | 31.00 | 36.00 | 44.00 | 48.00 | 34.00 | 26.00 | 14.00 | 9.00 | 9.00 | a | |||||||||||
1942 | 10.00 | 7.00 | 14.00 | 26.00 | 29.00 | 41.00 | 45.00 | 45.00 | 36.00 | 26.00 | 17.00 | 15.00 | 7.00 | |||||||||||||
1943 | 13.00 | a | 5.00 | b | 23.00 | 26.00 | 29.00 | 39.00 | 47.00 | 50.00 | 41.00 | 23.00 | 15.00 | 9.00 | 5.00 | c | ||||||||||
1944 | 7.00 | 12.00 | 15.00 | 22.00 | 29.00 | 37.00 | 46.00 | 44.00 | 39.00 | 31.00 | 10.00 | 14.00 | 7.00 | |||||||||||||
1945 | 10.00 | 11.00 | 11.00 | a | 17.00 | 29.00 | 33.00 | 46.00 | 48.00 | 31.00 | 20.00 | 17.00 | 4.00 | 4.00 | a | |||||||||||
1946 | 3.00 | 5.00 | 10.00 | 20.00 | 32.00 | 38.00 | 47.00 | 49.00 | 42.00 | 26.00 | 13.00 | 6.00 | 3.00 | |||||||||||||
1947 | -0.00 | 14.00 | 17.00 | 24.00 | 32.00 | 38.00 | 49.00 | 49.00 | 41.00 | 26.00 | 11.00 | 1.00 | -0.00 | |||||||||||||
1948 | 3.00 | c | 3.00 | a | 8.00 | 21.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 7.09 | 8.09 | 16.17 | 21.91 | 30.82 | 38.91 | 46.64 | 47.55 | 39.09 | 26.45 | 14.91 | 9.40 | 3.67 | |||||||||||||
S.D. | 5.15 | 6.69 | 5.41 | 2.95 | 3.97 | 2.98 | 2.46 | 2.07 | 3.99 | 3.30 | 4.06 | 5.23 | 3.84 | |||||||||||||
SKEW | 0.20 | 0.25 | -0.07 | 0.12 | -0.66 | -0.36 | -0.24 | -0.50 | -0.81 | -0.23 | 0.46 | 0.09 | -0.32 | |||||||||||||
MAX | 16.00 | 21.00 | 23.00 | 26.00 | 36.00 | 43.00 | 50.00 | 50.00 | 44.00 | 31.00 | 22.00 | 18.00 | 9.00 | |||||||||||||
MIN | -0.00 | -3.00 | 8.00 | 17.00 | 22.00 | 33.00 | 42.00 | 44.00 | 31.00 | 20.00 | 10.00 | 1.00 | -3.00 | |||||||||||||
YRS | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 |