YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 47.93 | 51.74 | 50.84 | 44.57 | 32.03 | 26.13 | 14.84 | 38.30 | e | |||||||
1924 | 15.48 | 24.45 | 23.23 | a | 33.43 | 43.60 | a | 54.87 | 56.71 | 54.81 | 43.80 | 37.68 | 27.40 | 13.39 | 35.74 | |||||||||||
1925 | 15.35 | 25.04 | 27.68 | 37.93 | 45.87 | 54.77 | 58.16 | 53.39 | 49.03 | 35.65 | 26.53 | 18.55 | 37.33 | |||||||||||||
1926 | 15.48 | 23.48 | a | 24.52 | 34.07 | 42.26 | 49.47 | 54.29 | 53.97 | 48.93 | a | 37.81 | 25.53 | 17.45 | 35.60 | |||||||||||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | 24.16 | 26.72 | 35.39 | 36.47 | 48.58 | 54.00 | 60.35 | 57.19 | 50.30 | 44.87 | 27.37 | 21.48 | 40.57 | |||||||||||||
1929 | 19.55 | 13.86 | 28.68 | 35.37 | 43.35 | 53.43 | 58.42 | 57.19 | 50.37 | 37.65 | 20.37 | 21.23 | 36.62 | |||||||||||||
1930 | 11.17 | b | 27.15 | a | 22.16 | 38.60 | 41.23 | 52.03 | 56.90 | 56.61 | 49.23 | 38.10 | a | 24.47 | 17.97 | 36.30 | ||||||||||
1931 | 17.03 | 24.00 | a | 23.71 | 35.93 | 41.06 | 55.03 | 57.29 | 54.45 | 54.17 | a | 39.58 | 25.00 | 21.10 | 37.36 | |||||||||||
1932 | 16.42 | 27.59 | 22.87 | 37.00 | 46.19 | 51.63 | 59.32 | 56.68 | 47.50 | 33.87 | 25.70 | 10.53 | a | 36.28 | ||||||||||||
1933 | 18.90 | a | 14.85 | a | 27.84 | 31.50 | 42.77 | 56.23 | 57.97 | 55.84 | 53.13 | 41.23 | a | ----- | z | ----- | z | 40.03 | b | |||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 17.06 | 23.01 | 26.23 | 35.59 | 43.88 | 52.94 | 57.12 | 55.10 | 49.10 | 37.85 | 25.39 | 17.39 | 36.98 | |||||||||||||
S.D. | 3.59 | 5.12 | 4.19 | 2.27 | 2.51 | 2.65 | 2.49 | 2.03 | 3.27 | 3.63 | 2.13 | 3.82 | 1.59 | |||||||||||||
SKEW | 0.47 | -1.07 | 1.14 | -0.43 | 0.64 | -0.70 | -0.98 | -0.81 | -0.16 | 0.30 | -1.51 | -0.54 | 1.58 | |||||||||||||
MAX | 24.16 | 27.59 | 35.39 | 38.60 | 48.58 | 56.23 | 60.35 | 57.19 | 54.17 | 44.87 | 27.40 | 21.48 | 40.57 | |||||||||||||
MIN | 11.17 | 13.86 | 22.16 | 31.50 | 41.06 | 47.93 | 51.74 | 50.84 | 43.80 | 32.03 | 20.37 | 10.53 | 35.60 | |||||||||||||
YRS | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 |