YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.68 | 65.58 | 54.62 | a | 38.94 | 32.93 | 24.65 | 47.73 | f | |||||
1913 | 24.61 | 28.07 | 33.84 | 43.03 | 55.65 | 59.63 | 68.65 | 68.71 | 56.50 | 46.39 | 40.70 | 27.03 | 46.07 | |||||||||||||
1914 | 33.65 | 28.04 | 34.23 | 42.17 | 52.61 | 63.50 | 64.94 | 64.87 | 61.43 | 48.74 | 38.30 | 22.94 | 46.28 | |||||||||||||
1915 | 23.84 | 31.04 | 30.29 | 42.97 | 49.32 | 61.10 | 66.19 | 61.77 | 59.33 | 45.58 | 33.50 | 27.42 | 44.36 | |||||||||||||
1916 | 26.07 | a | 31.28 | 37.97 | a | 39.60 | 52.61 | 62.47 | 66.84 | 69.65 | 56.80 | 45.45 | 32.87 | 24.94 | 45.54 | |||||||||||
1917 | 26.94 | 30.32 | 33.74 | 40.63 | 47.16 | 61.37 | 69.74 | 64.68 | 59.07 | 42.52 | 39.03 | ----- | z | 46.84 | a | |||||||||||
1918 | 17.68 | 29.79 | 39.81 | 43.20 | 44.93 | a | 61.07 | 67.77 | 66.29 | 54.73 | 51.55 | 33.57 | 23.00 | 44.45 | ||||||||||||
1919 | 20.68 | 28.50 | 36.81 | 46.30 | 54.74 | 60.10 | 68.32 | 66.58 | 62.60 | 50.10 | 34.23 | 27.35 | 46.36 | |||||||||||||
1920 | 26.65 | 32.07 | 35.48 | 39.17 | 51.55 | 61.50 | 67.29 | 64.68 | 59.33 | 47.84 | 32.67 | 28.65 | 45.57 | |||||||||||||
1921 | 32.03 | 32.75 | 40.23 | a | 42.93 | 55.65 | 61.17 | 67.32 | 67.48 | 63.83 | 50.61 | 40.57 | 34.35 | 49.08 | ||||||||||||
1922 | 22.84 | 29.93 | 35.93 | a | 46.07 | 55.42 | 64.03 | 69.45 | 69.84 | 63.83 | 49.87 | a | 36.30 | 29.71 | 47.77 | |||||||||||
1923 | 33.13 | 27.07 | 32.00 | a | 46.60 | 54.45 | 63.47 | 68.48 | 66.10 | 58.43 | 46.10 | 35.63 | 26.06 | 46.46 | ||||||||||||
1924 | 23.00 | 29.10 | 28.97 | 43.03 | 49.65 | 63.80 | 65.58 | 66.19 | 55.67 | 48.03 | 37.76 | a | 20.27 | a | 44.25 | |||||||||||
1925 | 21.26 | 32.11 | 39.03 | 47.30 | 53.03 | 63.13 | 63.84 | 61.94 | 55.73 | 39.07 | a | 32.62 | a | 24.61 | 44.47 | |||||||||||
1926 | 24.03 | 32.43 | 33.48 | 40.53 | 51.13 | a | 61.50 | ----- | z | 64.03 | 57.90 | a | 45.71 | 33.77 | 26.88 | f | 44.45 | b | ||||||||
1927 | 31.93 | a | 34.37 | a | 37.29 | 49.60 | 57.23 | 59.90 | 67.16 | 63.52 | 57.14 | a | 47.32 | 39.47 | 23.32 | 47.35 | ||||||||||
1928 | 25.68 | 27.66 | 38.74 | 43.07 | a | 53.94 | 60.77 | 67.23 | 64.10 | 56.50 | 48.61 | 33.77 | 29.81 | 45.82 | ||||||||||||
1929 | 26.43 | a | 20.29 | 36.37 | a | 47.27 | 52.13 | 62.73 | 68.52 | 68.39 | 57.93 | a | 47.03 | 30.70 | 27.58 | 45.45 | ||||||||||
1930 | 15.06 | 35.14 | 31.87 | 49.40 | 50.77 | 64.43 | 67.61 | 67.16 | 58.27 | 47.87 | 36.70 | 24.77 | 45.76 | |||||||||||||
1931 | 26.19 | 34.57 | 33.50 | a | 44.55 | a | 49.65 | 64.03 | 66.52 | 63.06 | 65.07 | 48.29 | 35.10 | 28.70 | a | 46.60 | ||||||||||
1932 | 25.81 | 35.97 | 31.00 | 44.50 | 54.23 | 60.97 | 69.23 | 65.55 | 56.50 | 45.48 | 34.10 | 21.23 | 45.38 | |||||||||||||
1933 | 30.00 | 22.18 | 36.06 | 40.57 | 51.65 | 64.80 | 68.23 | 65.10 | 63.13 | 48.87 | 37.47 | 33.68 | 46.81 | |||||||||||||
1934 | 28.52 | 29.54 | 33.19 | 46.03 | 59.45 | 67.93 | 72.77 | 71.77 | 59.07 | 52.30 | a | 39.00 | 30.00 | a | 49.13 | |||||||||||
1935 | 31.68 | 32.82 | 41.13 | 46.10 | 51.19 | 63.50 | 69.39 | 67.55 | 56.77 | 47.77 | 34.97 | 29.16 | 47.67 | |||||||||||||
1936 | 26.72 | b | 25.29 | a | 40.03 | 45.27 | 59.03 | 67.43 | 69.32 | 68.81 | 58.63 | 45.74 | 32.93 | 30.94 | 47.51 | |||||||||||
1937 | 20.42 | 28.14 | 34.43 | a | 45.04 | b | 56.13 | 63.77 | 67.94 | 69.94 | 62.33 | 48.94 | 34.97 | 28.29 | 46.69 | |||||||||||
1938 | 28.93 | a | 32.57 | 41.55 | 44.80 | 53.03 | 61.60 | 66.65 | 69.06 | 59.33 | 52.68 | f | 30.47 | 29.87 | 47.08 | a | ||||||||||
1939 | 32.19 | 23.89 | a | 37.94 | 48.14 | a | 55.87 | 64.57 | 68.47 | a | 66.87 | 63.73 | 48.35 | 35.07 | 30.65 | 47.98 | ||||||||||
1940 | 23.13 | 32.38 | 38.45 | 45.20 | ----- | z | 64.27 | 70.48 | 65.97 | 65.11 | b | 52.26 | 32.03 | a | 31.33 | a | 47.33 | a | ||||||||
1941 | 28.60 | a | 33.35 | b | 35.72 | b | 46.76 | a | 56.40 | a | 61.40 | 66.20 | a | 66.71 | 60.40 | 50.32 | 36.93 | 26.58 | 47.45 | |||||||
1942 | 22.06 | 23.26 | a | 32.90 | 45.97 | 52.21 | c | 63.04 | d | 66.29 | 65.48 | 56.33 | 47.00 | 36.83 | 29.48 | 45.07 | ||||||||||
1943 | 24.84 | 30.00 | 29.45 | 47.77 | 51.00 | 64.00 | 66.06 | 68.74 | 55.10 | 43.87 | a | 29.29 | b | 21.29 | c | 44.28 | ||||||||||
1944 | 24.80 | a | 30.21 | 29.61 | 39.69 | a | 52.39 | c | 61.48 | a | 64.72 | b | 65.27 | a | 58.07 | a | 47.39 | 36.59 | a | 25.61 | c | 44.65 | ||||
1945 | 26.52 | 30.70 | a | 35.14 | b | 36.56 | l | 53.30 | d | 58.76 | a | 65.61 | 66.32 | 58.03 | a | 46.33 | a | 34.47 | 25.39 | 45.51 | a | |||||
1946 | 26.23 | 28.38 | b | 36.94 | 48.03 | 47.43 | a | 62.67 | 67.94 | 68.26 | ----- | z | ----- | z | ----- | z | 30.83 | a | 46.30 | c | ||||||
1947 | 24.29 | n | 24.50 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.52 | ----- | z | ----- | z | ----- | z | ----- | z | 71.52 | k | |
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 |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.95 | 29.80 | 35.39 | 44.58 | 52.88 | 62.64 | 67.66 | 66.60 | 59.04 | 47.28 | 35.16 | 27.26 | 46.22 | |||||||||||||
S.D. | 4.33 | 3.69 | 3.47 | 2.88 | 3.26 | 2.03 | 1.82 | 2.44 | 3.07 | 3.09 | 2.85 | 3.51 | 1.40 | |||||||||||||
SKEW | -0.23 | -0.71 | -0.09 | -0.26 | -0.20 | 0.53 | 0.31 | 0.13 | 0.56 | -0.93 | 0.13 | -0.11 | 0.36 | |||||||||||||
MAX | 33.65 | 35.97 | 41.55 | 49.60 | 59.45 | 67.93 | 72.77 | 71.77 | 65.11 | 52.30 | 40.70 | 34.35 | 49.13 | |||||||||||||
MIN | 15.06 | 20.29 | 28.97 | 39.17 | 44.93 | 58.76 | 63.84 | 61.77 | 54.62 | 38.94 | 29.29 | 20.27 | 44.25 | |||||||||||||
YRS | 34 | 34 | 34 | 33 | 33 | 34 | 34 | 36 | 34 | 33 | 34 | 33 | 28 |