YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | ----- | z | ----- | z | ----- | z | 44.90 | y | ----- | z | 61.50 | 70.19 | 69.29 | 62.63 | 51.90 | 37.17 | 27.53 | 54.32 | e | |||||||
1908 | 29.89 | 31.14 | 41.81 | 47.17 | 52.53 | 64.15 | 68.61 | 67.44 | 63.25 | 46.97 | 34.92 | 24.21 | 47.67 | |||||||||||||
1909 | 29.61 | 29.14 | 34.97 | 40.28 | 50.27 | 62.88 | 69.44 | ----- | z | 58.28 | 49.53 | a | 41.38 | 17.89 | 43.97 | a | ||||||||||
1910 | 28.03 | 26.61 | 45.32 | 46.68 | 51.13 | 64.07 | 71.27 | 66.45 | 57.96 | e | 51.80 | a | 41.00 | a | 32.02 | 48.53 | ||||||||||
1911 | 33.98 | 26.71 | 40.66 | 46.22 | a | 55.69 | 67.05 | 68.32 | 67.40 | 64.82 | 45.40 | 33.00 | a | 21.82 | 47.59 | |||||||||||
1912 | 25.00 | 27.14 | 24.84 | 43.50 | 53.97 | 59.45 | 67.82 | 66.42 | a | 53.85 | 47.02 | a | 38.68 | 26.31 | 44.50 | |||||||||||
1913 | 25.43 | a | 18.89 | a | 33.65 | 45.92 | 56.47 | 63.48 | 69.00 | 71.65 | a | 56.97 | 45.03 | a | 40.77 | ----- | z | 47.93 | a | |||||||
1914 | 27.50 | 22.04 | 34.27 | a | 44.98 | 54.78 | a | 66.37 | 69.11 | 68.85 | 62.67 | 49.92 | 41.79 | b | 20.38 | a | 46.89 | |||||||||
1915 | 22.61 | 31.75 | 30.34 | 48.88 | a | 51.00 | 59.58 | 65.58 | a | 63.86 | c | 59.79 | a | 50.93 | a | 39.27 | 29.68 | 46.11 | ||||||||
1916 | 22.19 | 33.74 | 43.40 | 44.40 | 55.74 | 64.53 | a | 72.05 | 67.30 | a | 59.33 | 46.64 | b | 33.64 | a | 22.27 | 47.10 | |||||||||
1917 | 22.74 | 31.62 | 32.75 | a | 44.45 | 47.69 | 62.37 | 71.44 | 66.00 | 61.86 | a | 47.21 | b | 42.69 | a | 31.84 | 46.89 | |||||||||
1918 | 21.15 | a | 32.59 | 42.28 | b | 40.13 | 54.40 | 67.73 | 68.61 | 68.69 | 55.67 | 51.58 | 31.23 | 27.57 | b | 46.80 | ||||||||||
1919 | ----- | z | 24.83 | a | 36.84 | 44.98 | a | 51.65 | 61.21 | a | ----- | z | 70.92 | a | 64.37 | d | 44.56 | d | 34.50 | 30.52 | b | 46.44 | b | |||
1920 | 31.92 | a | 31.16 | 37.48 | a | 37.53 | 55.15 | a | 64.08 | 68.93 | b | 63.07 | a | 61.97 | a | 52.62 | c | 38.03 | a | 31.34 | b | 47.77 | ||||
1921 | 30.38 | c | 34.25 | 42.83 | a | 42.00 | f | 55.85 | 64.00 | 70.70 | a | 68.29 | 63.45 | a | 54.10 | b | 41.96 | b | 32.78 | d | 50.78 | a | ||||
1922 | 22.13 | h | 30.36 | 34.22 | h | 42.80 | e | 54.44 | f | 66.63 | 68.62 | b | 70.35 | d | 65.04 | d | 51.83 | e | 33.05 | a | 32.41 | c | 51.23 | c | ||
1923 | 34.79 | e | 25.65 | e | 32.88 | f | 45.69 | d | 51.89 | c | 63.92 | 69.09 | d | 67.02 | e | 59.50 | b | 43.64 | b | 36.82 | e | 23.52 | b | 47.41 | a | |
1924 | 22.04 | c | 35.46 | d | 25.83 | a | 44.23 | b | 49.83 | d | 66.07 | 65.18 | 68.03 | 62.52 | 53.00 | 40.68 | 14.92 | 45.65 | ||||||||
1925 | 22.55 | ----- | z | 41.60 | 49.68 | 59.06 | 70.23 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.62 | g | ||||
1926 | ----- | z | 37.57 | ----- | z | 43.85 | c | 56.52 | b | 64.05 | a | 71.13 | 70.95 | a | 60.00 | h | 48.65 | 34.39 | b | 20.75 | a | 49.76 | c | |||
1927 | ----- | z | ----- | z | ----- | z | 53.69 | v | 60.89 | 62.93 | ----- | z | 60.69 | 60.26 | a | ----- | z | ----- | z | ----- | z | 61.19 | h | |||
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 | 26.46 | b | 32.21 | 29.34 | j | |
1930 | 15.00 | 37.20 | 33.60 | 52.13 | 52.57 | a | 65.95 | 71.02 | 68.76 | 61.18 | 47.44 | 35.65 | 24.53 | 47.08 | ||||||||||||
1931 | 28.44 | 33.25 | 31.48 | b | 45.30 | b | 53.97 | 69.70 | 72.63 | 69.11 | 65.74 | a | 51.92 | 34.10 | 30.38 | b | 48.84 | |||||||||
1932 | 24.27 | a | 37.41 | a | 31.35 | 47.65 | 56.79 | 63.37 | 73.13 | 70.52 | 60.45 | a | 45.72 | a | 40.78 | a | 19.71 | b | 47.59 | |||||||
1933 | 32.12 | b | 24.36 | 38.60 | 42.27 | 53.73 | 70.25 | b | 72.65 | 67.97 | 64.93 | c | 52.83 | a | 40.61 | b | 36.12 | c | 49.70 | |||||||
1934 | 35.52 | d | 33.19 | b | 40.67 | a | 48.10 | a | 62.84 | b | 69.45 | a | 75.76 | 72.40 | 58.32 | 55.32 | 41.66 | e | 31.37 | d | 52.05 | |||||
1935 | 36.45 | a | 35.18 | 40.77 | 43.90 | 48.47 | 64.36 | b | 73.21 | 71.90 | 60.92 | 50.21 | 36.05 | 30.06 | 49.29 | |||||||||||
1936 | 27.53 | 23.17 | 39.66 | 47.37 | 58.19 | 68.48 | 74.06 | 71.39 | 61.17 | 47.19 | 39.03 | 31.98 | 49.10 | |||||||||||||
1937 | 17.10 | 29.84 | 34.58 | 46.25 | 57.24 | 63.77 | 73.50 | 76.18 | 64.02 | 51.31 | 37.68 | 28.37 | 48.32 | |||||||||||||
1938 | 29.71 | 34.32 | 41.65 | 47.05 | 54.65 | 66.63 | 71.44 | 73.21 | 63.30 | 54.19 | 33.30 | 30.18 | a | 49.97 | ||||||||||||
1939 | 29.31 | 22.41 | 38.02 | 46.62 | 58.56 | 65.70 | 72.92 | 69.56 | 64.93 | 51.53 | 39.57 | 34.97 | 49.51 | |||||||||||||
1940 | 18.74 | 32.09 | 38.42 | 45.50 | 56.53 | 66.83 | 71.35 | 68.77 | 63.72 | 52.55 | 34.27 | 32.31 | 48.42 | |||||||||||||
1941 | 30.42 | 31.55 | 34.74 | 45.22 | 58.06 | 62.57 | 68.65 | 69.37 | 58.57 | b | 48.50 | 40.52 | 31.66 | 48.32 | ||||||||||||
1942 | 24.70 | a | 20.57 | 33.47 | 49.88 | 54.95 | b | 63.52 | 71.60 | 68.76 | 59.71 | a | 49.82 | 40.83 | 32.61 | 47.53 | ||||||||||
1943 | 29.50 | 37.37 | b | 33.87 | 52.73 | 51.53 | 64.22 | 73.11 | 73.27 | 61.15 | 50.03 | 37.60 | 30.29 | 49.56 | ||||||||||||
1944 | 28.79 | 30.09 | 32.27 | 39.13 | 56.65 | 64.33 | 69.77 | 70.48 | 61.83 | 52.90 | 37.43 | 27.24 | 47.58 | |||||||||||||
1945 | 27.45 | 30.02 | 40.87 | 40.38 | 55.10 | a | 58.73 | 69.92 | 69.65 | 58.95 | 52.98 | 39.63 | 27.60 | a | 47.61 | |||||||||||
1946 | 29.06 | 33.68 | 41.73 | 52.93 | 51.23 | 67.02 | 72.29 | 69.05 | 62.55 | 48.45 | 28.35 | 32.50 | 49.07 | |||||||||||||
1947 | 28.50 | 26.46 | 32.97 | 45.25 | 54.76 | 60.90 | 70.15 | 70.92 | a | 64.78 | 55.15 | 32.17 | 30.58 | e | 47.71 | |||||||||||
1948 | 25.65 | a | 25.05 | 28.61 | 49.32 | 56.05 | 64.70 | 71.42 | 70.76 | 63.75 | 50.48 | 33.27 | 27.97 | 47.25 | ||||||||||||
1949 | 17.40 | 28.64 | 37.37 | 46.88 | 56.60 | 64.22 | 71.37 | 69.68 | 62.28 | 48.37 | 45.52 | 30.19 | 48.21 | |||||||||||||
1950 | 28.18 | a | 36.50 | a | 35.48 | h | 47.44 | c | 52.61 | 66.37 | 68.90 | 67.68 | 59.48 | 57.16 | 35.98 | 33.98 | a | 50.39 | a | |||||||
1951 | 24.29 | 32.21 | 33.66 | b | 43.02 | 56.61 | 59.92 | 71.31 | 69.47 | 60.45 | 47.93 | a | 33.84 | a | 27.21 | 46.66 | ||||||||||
1952 | 31.16 | 31.86 | 32.40 | 45.62 | 55.10 | 71.58 | 71.60 | 71.52 | 62.50 | 50.60 | 30.90 | 30.81 | e | 48.80 | ||||||||||||
1953 | 36.32 | 30.54 | 40.73 | 42.08 | 51.89 | 68.83 | 72.40 | 69.61 | 64.42 | 52.16 | 40.78 | 28.21 | b | 49.83 | ||||||||||||
1954 | 32.98 | 40.71 | 33.05 | 51.92 | 54.40 | 68.68 | 76.05 | 70.34 | 64.88 | 49.79 | 41.32 | 32.53 | 51.39 | |||||||||||||
1955 | 26.52 | 25.48 | 35.40 | 47.88 | 57.31 | 62.43 | 74.31 | 71.26 | 62.40 | 52.95 | 34.20 | 33.18 | 48.61 | |||||||||||||
1956 | 30.71 | 24.33 | 36.69 | 43.93 | 59.03 | 71.90 | 70.37 | 68.27 | 63.40 | 53.18 | 32.73 | 32.33 | a | 48.91 | ||||||||||||
1957 | 22.21 | 35.57 | 34.52 | 39.32 | 51.35 | 63.55 | 71.03 | 69.60 | 59.00 | 49.45 | 33.88 | 35.81 | 47.11 | |||||||||||||
1958 | 28.82 | 33.88 | 30.32 | 43.02 | 60.81 | 66.40 | 69.11 | 71.87 | 63.07 | 50.52 | 37.73 | 32.08 | 48.97 | |||||||||||||
1959 | 27.27 | a | 28.59 | 35.19 | 43.20 | 55.53 | 67.88 | 69.52 | 71.31 | 57.28 | 45.10 | 34.30 | 31.27 | 47.20 | ||||||||||||
1960 | 23.63 | 18.53 | 31.82 | 47.40 | 53.26 | 65.28 | 68.73 | a | 71.47 | 63.58 | 51.58 | 39.86 | a | 27.47 | 46.89 | |||||||||||
1961 | 29.28 | a | 33.86 | 36.65 | 43.10 | 54.31 | 64.47 | 70.11 | 69.18 | 55.43 | 49.27 | a | 33.48 | 23.76 | 46.91 | |||||||||||
1962 | 20.23 | 32.95 | 34.00 | 48.45 | 59.18 | a | 64.50 | 69.63 | 70.71 | 61.08 | 52.66 | 40.08 | 33.60 | 48.92 | ||||||||||||
1963 | 20.05 | b | 35.66 | 36.22 | a | 47.67 | a | 59.69 | 67.57 | 74.61 | 70.72 | a | 65.98 | 58.40 | 41.31 | a | 27.76 | 50.47 | ||||||||
1964 | 29.63 | 25.53 | 31.06 | 44.78 | c | 57.87 | 63.58 | 74.74 | 69.95 | 62.67 | a | 53.50 | 38.20 | 32.29 | 48.65 | |||||||||||
1965 | 34.06 | 28.11 | 24.97 | 49.60 | 56.71 | 62.62 | 71.68 | a | 67.39 | 55.88 | 53.81 | 43.30 | 35.06 | 48.60 | ||||||||||||
1966 | 24.29 | ----- | z | 41.31 | 44.82 | 58.10 | 66.14 | a | 75.47 | 67.84 | 62.73 | 49.76 | 41.22 | a | 29.28 | a | 51.00 | a | ||||||||
1967 | 31.85 | 33.07 | 42.48 | 49.73 | 52.76 | 62.12 | 69.60 | 67.27 | 60.62 | 52.63 | 38.08 | 24.66 | 48.74 | |||||||||||||
1968 | 30.42 | 33.93 | 40.05 | 42.77 | 51.76 | 67.40 | a | 70.16 | 67.11 | 61.95 | a | 52.40 | 35.37 | 28.11 | 48.45 | |||||||||||
1969 | 31.94 | 33.30 | 28.90 | 48.63 | 57.24 | 60.55 | 72.69 | 71.85 | 62.92 | 39.58 | a | 36.83 | 29.75 | a | 47.85 | |||||||||||
1970 | 27.68 | 35.14 | 30.87 | 41.77 | 57.63 | 63.30 | b | 71.03 | 71.40 | 58.60 | 44.34 | 37.98 | 33.98 | b | 47.81 | |||||||||||
1971 | 29.07 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.07 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.35 | 30.45 | 35.78 | 45.62 | 55.10 | 64.94 | 70.98 | 69.34 | 61.41 | 50.27 | 37.23 | 29.06 | 48.18 | |||||||||||||
S.D. | 4.91 | 5.02 | 4.89 | 3.39 | 3.15 | 2.97 | 2.28 | 2.50 | 2.79 | 3.48 | 3.88 | 4.57 | 1.37 | |||||||||||||
SKEW | -0.39 | -0.48 | -0.19 | -0.01 | -0.06 | 0.23 | 0.06 | -0.67 | -0.62 | -0.45 | -0.38 | -1.01 | 0.24 | |||||||||||||
MAX | 36.45 | 40.71 | 45.32 | 52.93 | 62.84 | 71.90 | 76.05 | 76.18 | 65.98 | 58.40 | 45.52 | 36.12 | 52.05 | |||||||||||||
MIN | 15.00 | 18.53 | 24.84 | 37.53 | 47.69 | 58.73 | 65.18 | 60.69 | 53.85 | 39.58 | 26.46 | 14.92 | 44.50 | |||||||||||||
YRS | 58 | 58 | 56 | 59 | 60 | 62 | 59 | 60 | 60 | 60 | 61 | 60 | 50 |