YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.13 | 61.13 | k | |
1904 | 59.74 | 73.24 | 77.52 | 85.20 | 87.71 | 96.60 | 96.03 | 92.81 | 88.77 | 79.55 | 72.50 | 62.19 | 80.99 | |||||||||||||
1905 | 65.61 | 60.57 | 68.55 | 72.87 | 84.65 | 96.90 | 98.06 | 95.23 | 91.30 | 83.10 | 65.30 | 56.13 | 78.19 | |||||||||||||
1906 | 60.39 | 67.93 | 72.45 | 79.07 | 88.39 | 97.97 | 94.87 | 88.58 | 91.47 | 83.32 | 72.93 | a | 63.81 | 80.10 | ||||||||||||
1907 | 61.74 | 69.82 | 76.00 | 81.27 | 82.87 | 94.93 | 94.71 | 90.42 | 89.67 | 81.10 | 63.93 | 66.39 | 79.40 | |||||||||||||
1908 | 64.23 | 65.03 | 75.16 | 80.83 | 84.48 | 97.30 | 93.77 | 92.06 | 89.47 | 80.45 | 70.20 | 61.58 | 79.55 | |||||||||||||
1909 | 69.55 | 65.75 | 68.19 | 80.47 | 85.87 | 98.37 | 94.90 | 93.03 | 91.03 | 85.39 | 74.70 | 61.74 | 80.75 | |||||||||||||
1910 | 65.68 | 68.89 | 80.16 | 83.90 | 92.19 | 97.83 | 98.74 | 95.19 | 94.40 | 84.19 | 74.43 | 67.87 | 83.62 | |||||||||||||
1911 | 68.29 | 65.43 | 78.13 | 81.03 | 89.65 | 97.20 | 92.68 | 97.71 | 92.77 | 81.94 | 74.60 | 60.26 | 81.64 | |||||||||||||
1912 | 70.06 | 71.86 | 72.00 | 76.80 | 90.29 | 99.17 | 95.39 | 93.26 | 93.17 | 77.06 | 66.17 | 56.29 | 80.13 | |||||||||||||
1913 | 59.26 | 61.14 | 71.29 | 79.77 | 87.68 | 93.47 | 96.87 | 93.84 | 87.90 | 83.61 | 70.37 | 59.42 | 78.72 | |||||||||||||
1914 | 66.39 | 67.61 | 73.61 | 80.50 | 84.42 | 88.67 | 82.00 | 82.13 | 84.60 | 78.16 | 71.77 | 57.45 | 76.44 | |||||||||||||
1915 | 58.55 | 64.29 | 68.74 | 76.53 | 85.13 | 97.13 | 94.26 | 93.68 | 89.93 | 85.90 | 74.50 | 62.52 | 79.26 | |||||||||||||
1916 | 61.77 | 72.69 | 77.68 | 80.23 | 88.10 | 99.73 | 95.65 | 94.03 | 91.57 | 82.39 | 69.40 | 62.10 | 81.28 | |||||||||||||
1917 | 59.03 | 66.46 | 72.35 | 77.87 | 82.55 | 99.37 | 93.29 | 91.03 | 89.40 | 86.03 | 77.23 | 72.26 | 80.57 | |||||||||||||
1918 | 60.45 | 69.04 | 73.29 | 82.43 | 82.42 | 93.54 | b | 93.13 | 90.16 | 89.40 | 80.48 | 64.27 | 54.43 | a | 77.75 | |||||||||||
1919 | 54.48 | f | 59.68 | 69.84 | ----- | z | 84.42 | 94.17 | 87.10 | 90.23 | 83.23 | 75.58 | 65.03 | 62.55 | 77.18 | b | ||||||||||
1920 | 58.52 | 65.90 | 68.34 | b | 73.31 | a | 86.03 | 91.52 | a | 95.71 | 87.90 | 88.20 | 76.87 | 68.66 | a | 60.13 | 76.76 | |||||||||
1921 | 63.00 | 64.50 | 73.03 | 76.83 | a | 84.23 | 94.30 | 90.03 | a | 87.63 | a | 88.00 | 82.19 | 72.13 | 64.53 | a | 78.37 | |||||||||
1922 | 58.10 | 66.32 | 67.97 | a | 75.37 | 86.90 | a | 95.97 | 93.00 | 91.35 | 88.59 | a | 80.39 | 67.52 | a | 66.00 | a | 78.12 | ||||||||
1923 | 65.33 | a | 61.89 | a | 67.97 | 77.63 | 90.16 | 94.23 | 93.06 | 87.27 | a | 87.38 | a | 80.61 | 64.93 | 55.55 | 77.17 | |||||||||
1924 | 58.74 | 67.03 | 67.20 | a | 74.90 | 85.90 | 99.87 | 93.39 | 95.03 | 90.97 | 84.10 | 75.27 | 59.26 | 79.30 | ||||||||||||
1925 | 61.10 | 71.57 | 76.97 | 83.63 | 89.61 | 91.43 | 92.77 | 89.13 | 89.03 | 78.97 | 67.37 | 57.71 | 79.11 | |||||||||||||
1926 | 55.11 | c | 67.39 | 66.81 | 71.33 | 83.52 | 95.77 | 93.55 | 92.81 | 88.45 | a | 80.32 | 72.73 | 58.23 | 77.17 | |||||||||||
1927 | 68.26 | 68.61 | 71.77 | 79.00 | 89.84 | 94.43 | 94.29 | 88.93 | a | 86.83 | 80.69 | b | 75.21 | b | 57.68 | 79.63 | ||||||||||
1928 | 64.96 | d | 66.00 | e | 76.36 | f | 80.96 | f | 87.33 | d | 96.36 | b | 95.03 | a | 90.17 | a | 90.22 | c | 81.75 | g | 67.38 | d | 60.25 | c | 79.75 | c |
1929 | 60.84 | f | 63.80 | h | 69.83 | a | 78.89 | b | 88.20 | f | 98.00 | a | 92.30 | a | 89.03 | 87.12 | d | 79.77 | e | 66.96 | d | 66.17 | b | 80.90 | c | |
1930 | 58.26 | d | 70.77 | b | 69.15 | d | 81.22 | c | 83.70 | a | 95.86 | a | 90.30 | a | 91.67 | a | 88.59 | c | 81.69 | e | 64.74 | c | 57.92 | g | 79.63 | a |
1931 | 59.29 | c | 60.48 | c | 72.11 | d | 77.63 | c | 87.77 | a | 94.67 | 95.03 | 88.83 | a | 88.03 | a | 83.14 | b | 68.33 | f | 59.85 | d | 78.80 | a | ||
1932 | 57.86 | c | 67.88 | e | 71.48 | d | 81.07 | b | 87.72 | b | 96.31 | a | 93.52 | d | 91.37 | a | 89.14 | a | 78.57 | a | 74.60 | e | 58.92 | e | 79.04 | |
1933 | 59.04 | d | 62.67 | d | 75.70 | a | 76.72 | e | 85.86 | c | 94.96 | c | 96.33 | a | 94.03 | a | 91.52 | c | 81.79 | b | 74.22 | c | 68.81 | d | 80.14 | |
1934 | 62.53 | a | 71.16 | c | 78.78 | d | 81.75 | b | 90.86 | b | 94.04 | b | 95.80 | a | 91.11 | c | 90.62 | a | 85.53 | a | 72.12 | f | 64.71 | g | 84.22 | b |
1935 | 63.00 | c | 62.83 | e | 71.54 | e | 79.39 | b | 82.00 | e | 95.40 | 96.19 | 89.48 | 86.60 | 83.42 | 70.47 | 61.68 | 78.50 | ||||||||
1936 | 62.87 | 65.41 | 71.55 | 81.87 | 90.16 | 98.23 | 96.10 | 94.52 | 87.23 | 80.65 | 67.00 | a | 61.13 | 79.73 | ||||||||||||
1937 | 54.97 | 65.57 | 69.42 | 81.03 | 89.41 | b | 95.24 | a | 97.16 | 94.71 | 90.60 | 83.77 | 74.10 | 62.19 | 79.85 | |||||||||||
1938 | 63.35 | 66.40 | h | 72.03 | 79.63 | 87.61 | 95.90 | 92.94 | 92.39 | 89.07 | 83.61 | 69.70 | 63.87 | 80.92 | a | |||||||||||
1939 | 59.29 | 57.39 | 72.90 | 80.90 | 89.39 | 96.50 | 92.65 | 91.10 | 88.90 | 79.19 | e | 67.97 | 68.17 | a | 78.70 | |||||||||||
1940 | 62.06 | 63.79 | 72.97 | 78.43 | 87.65 | 93.70 | 96.30 | a | 91.42 | 89.10 | 79.71 | 66.37 | 64.68 | 78.85 | ||||||||||||
1941 | 61.23 | 65.00 | 67.39 | 73.62 | a | 86.26 | 92.70 | 94.13 | 90.58 | 86.57 | 77.23 | 71.37 | 62.84 | 77.41 | ||||||||||||
1942 | 64.39 | 63.71 | 70.19 | 77.96 | c | 88.68 | 97.50 | 96.90 | 91.19 | 89.43 | 79.17 | a | 74.63 | 64.74 | 79.88 | |||||||||||
1943 | 61.94 | 71.56 | a | 73.87 | 84.47 | 90.73 | a | 93.50 | 93.65 | 91.13 | 90.45 | a | 81.93 | d | 73.54 | b | 60.28 | b | 80.59 | |||||||
1944 | 59.64 | f | 64.12 | d | 69.62 | e | 77.23 | d | 85.93 | c | 94.03 | 95.17 | b | 94.74 | d | 88.96 | e | 83.89 | d | 66.77 | d | 64.15 | e | 80.42 | a | |
1945 | 63.29 | c | 69.04 | e | 70.68 | i | 79.36 | e | 88.31 | b | 94.47 | 95.90 | b | 94.25 | c | 92.22 | c | 83.42 | g | 75.95 | h | 66.17 | h | 84.60 | d | |
1946 | 58.24 | j | 69.09 | e | 73.69 | e | 85.46 | b | 86.90 | a | 98.55 | a | 95.55 | b | 92.42 | 89.85 | d | 81.12 | f | 70.42 | f | 68.08 | e | 84.40 | c | |
1947 | 57.27 | e | 71.72 | c | 75.00 | f | 81.80 | e | 88.85 | d | 94.82 | b | 97.46 | c | 91.87 | a | 92.83 | 84.93 | b | 67.43 | g | 61.18 | i | 84.62 | c | |
1948 | 66.33 | d | 66.55 | i | 68.54 | g | 84.42 | d | 91.03 | a | 98.41 | c | 96.55 | 94.06 | 92.20 | 80.61 | 68.43 | 62.94 | 83.50 | b | ||||||
1949 | 49.39 | 63.36 | 72.03 | 79.20 | 86.94 | 93.27 | 91.71 | 94.03 | 91.30 | 79.23 | 78.23 | 63.23 | 78.49 | |||||||||||||
1950 | 64.71 | 70.18 | 74.84 | 83.20 | 86.19 | 96.10 | 90.68 | 94.68 | 90.20 | 90.39 | 78.63 | 71.16 | 82.58 | |||||||||||||
1951 | 62.42 | 65.75 | 70.87 | 76.93 | 86.68 | 96.03 | 95.97 | 93.45 | 94.20 | 84.19 | 68.53 | 62.29 | 79.78 | |||||||||||||
1952 | 64.16 | 64.55 | 64.55 | 76.17 | 88.48 | 94.70 | 95.94 | 94.55 | 94.13 | 88.52 | 67.37 | 60.97 | 79.51 | |||||||||||||
1953 | 69.10 | 65.00 | 72.10 | 79.00 | 83.06 | 97.77 | 95.00 | 94.81 | 94.57 | 82.65 | 73.70 | 60.13 | 80.57 | |||||||||||||
1954 | 64.61 | 71.64 | 70.74 | 84.20 | 87.10 | 95.07 | 94.77 | 88.90 | 92.13 | 84.52 | 76.00 | 66.65 | 81.36 | |||||||||||||
1955 | 56.74 | 63.29 | 71.32 | 79.20 | 84.29 | 95.10 | 92.06 | 89.48 | 91.60 | 84.81 | 72.20 | 67.55 | 78.97 | |||||||||||||
1956 | 67.58 | 61.83 | 76.06 | 76.67 | 90.29 | 98.60 | 93.90 | 91.71 | 94.87 | 83.65 | 69.27 | 62.06 | 80.54 | |||||||||||||
1957 | 63.45 | 73.18 | 69.35 | 78.13 | 82.48 | 96.40 | 95.52 | 90.68 | 90.67 | 76.52 | 66.57 | 65.19 | 79.01 | |||||||||||||
1958 | 61.81 | 66.39 | 63.42 | 78.30 | 90.42 | 97.30 | 96.13 | 91.74 | 87.47 | 78.35 | 69.53 | 69.58 | 79.20 | |||||||||||||
1959 | 67.10 | 65.68 | 72.58 | 80.70 | 86.68 | 97.33 | 95.45 | 89.42 | 89.53 | 82.10 | a | 69.10 | 61.40 | a | 79.76 | |||||||||||
1960 | 57.47 | a | 62.57 | a | 76.90 | a | 80.72 | a | 86.32 | 98.73 | 94.33 | a | 93.42 | 91.73 | 79.62 | b | 73.70 | 62.59 | b | 79.84 | ||||||
1961 | 61.58 | 68.21 | 73.41 | b | 82.97 | a | 90.07 | a | 97.41 | a | 95.10 | 91.87 | 87.67 | 81.90 | a | 65.76 | a | 61.45 | 79.78 | |||||||
1962 | 59.29 | 67.79 | 65.81 | 83.43 | 86.74 | 94.23 | 91.74 | 96.97 | 89.60 | 83.65 | 73.83 | 62.61 | 79.64 | |||||||||||||
1963 | 61.00 | 69.64 | 73.45 | 81.17 | 91.10 | 95.33 | 95.81 | 89.58 | 90.80 | 84.10 | 69.63 | 63.68 | 80.44 | |||||||||||||
1964 | 59.71 | 61.38 | 68.00 | 76.90 | 88.45 | 94.23 | 95.65 | e | 90.84 | 85.63 | 82.58 | 68.60 | 63.97 | 78.00 | ||||||||||||
1965 | 65.39 | 62.50 | 68.48 | 79.27 | 85.65 | 91.17 | 94.48 | 93.19 | 86.67 | 83.86 | j | 69.45 | s | 59.87 | 78.67 | b | ||||||||||
1966 | 57.74 | 58.86 | 73.48 | 79.70 | ----- | z | 94.27 | 95.29 | 90.06 | 85.90 | a | 81.32 | 73.20 | 62.03 | a | 77.44 | a | |||||||||
1967 | 65.32 | 67.64 | 76.68 | 78.37 | 85.23 | 91.93 | 92.87 | a | 91.77 | a | 87.93 | 83.19 | 72.21 | a | 57.71 | 79.24 | ||||||||||
1968 | 60.58 | 68.00 | a | 68.00 | a | 75.40 | 86.69 | b | 97.10 | 92.67 | a | 89.07 | b | 89.80 | e | 85.55 | 69.07 | a | 62.29 | 78.68 | ||||||
1969 | 65.25 | c | 64.46 | 69.57 | a | 82.29 | b | 86.83 | a | 95.20 | 94.00 | 95.10 | a | 90.52 | a | 81.19 | 68.40 | 64.27 | a | 79.76 | ||||||
1970 | 63.03 | 67.96 | a | 67.90 | a | 75.97 | 87.71 | 96.00 | 95.87 | 93.77 | 88.10 | 79.16 | 74.83 | 68.06 | 79.86 | |||||||||||
1971 | 67.90 | 66.96 | 76.61 | 78.43 | 85.16 | 94.33 | 96.48 | 89.45 | 90.27 | 75.26 | 71.86 | a | 59.68 | 79.37 | ||||||||||||
1972 | 65.39 | 69.90 | 79.90 | 82.17 | 86.13 | a | 93.33 | 96.16 | 91.74 | 88.10 | 79.73 | a | 65.13 | 62.65 | 80.03 | |||||||||||
1973 | 58.10 | 61.36 | 64.35 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.73 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 62.12 | 66.25 | 71.90 | 79.43 | 87.04 | 95.65 | 94.34 | 91.79 | 89.68 | 81.74 | 70.55 | 62.53 | 79.47 | |||||||||||||
S.D. | 3.96 | 3.70 | 3.72 | 3.07 | 2.48 | 2.23 | 2.51 | 2.59 | 2.38 | 2.96 | 3.78 | 3.72 | 1.34 | |||||||||||||
SKEW | -0.28 | -0.10 | 0.19 | -0.25 | -0.10 | -0.39 | -2.10 | -0.54 | 0.01 | 0.15 | 0.10 | 0.32 | 0.29 | |||||||||||||
MAX | 70.06 | 73.24 | 80.16 | 85.46 | 92.19 | 99.87 | 98.74 | 97.71 | 94.87 | 90.39 | 78.63 | 72.26 | 83.62 | |||||||||||||
MIN | 49.39 | 57.39 | 63.42 | 71.33 | 82.00 | 88.67 | 82.00 | 82.13 | 83.23 | 75.26 | 63.93 | 54.43 | 76.44 | |||||||||||||
YRS | 66 | 67 | 65 | 67 | 67 | 69 | 69 | 69 | 69 | 65 | 63 | 66 | 55 |