YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | 33.97 | 47.18 | 58.10 | 69.13 | 73.52 | 87.57 | 94.48 | 89.65 | 74.13 | 69.29 | 54.17 | 37.00 | 65.68 | |||||||||||||
1927 | 38.61 | 47.25 | 53.16 | 61.30 | 66.65 | 80.71 | b | 92.13 | 88.13 | 74.14 | a | 67.61 | 53.21 | a | 36.23 | a | 63.26 | |||||||||
1928 | 35.52 | 42.21 | 56.10 | 59.33 | 80.45 | 77.10 | 94.03 | 89.84 | 83.55 | a | 67.94 | 51.13 | 36.90 | 64.51 | ||||||||||||
1929 | 31.00 | c | 34.04 | 54.29 | 59.67 | 72.74 | 78.60 | 91.81 | 94.35 | 66.17 | r | 69.84 | 50.50 | 44.97 | 61.98 | a | ||||||||||
1930 | 24.32 | 47.43 | 55.81 | 69.63 | 69.16 | 81.60 | 93.84 | 89.52 | 78.03 | 63.87 | 48.97 | 32.83 | a | 62.92 | ||||||||||||
1931 | 37.27 | a | 46.21 | 55.29 | 65.33 | 77.48 | 83.83 | 95.61 | 95.03 | 79.40 | 69.00 | 46.97 | a | 34.10 | 65.46 | |||||||||||
1932 | 35.10 | a | 40.45 | 51.52 | 66.03 | 72.06 | 82.10 | 88.87 | 86.58 | 81.10 | 66.55 | 52.07 | 34.03 | 63.04 | ||||||||||||
1933 | 38.74 | 32.71 | 53.35 | 63.27 | 67.32 | 85.23 | 94.87 | 89.35 | 77.20 | 73.00 | 54.93 | 49.45 | 64.95 | |||||||||||||
1934 | 48.16 | 54.96 | 65.16 | 74.03 | 82.39 | 82.28 | a | 94.11 | c | 91.48 | 78.07 | 67.87 | 55.17 | 38.58 | 69.35 | |||||||||||
1935 | 37.84 | 40.75 | 51.60 | a | 60.53 | 71.35 | 82.13 | 89.74 | 89.03 | 84.33 | 67.10 | 42.67 | 34.16 | 62.60 | ||||||||||||
1936 | 37.42 | 37.76 | 52.52 | 68.67 | 78.03 | 83.67 | 94.35 | 92.03 | 80.47 | 73.32 | 51.67 | 44.26 | 66.18 | |||||||||||||
1937 | 26.06 | 39.71 | 54.97 | 59.20 | 75.97 | 81.27 | 92.10 | 87.55 | 82.43 | 71.45 | 54.90 | 44.29 | 64.16 | |||||||||||||
1938 | 42.61 | 47.75 | 48.39 | 62.97 | 67.61 | 80.10 | 88.84 | 86.84 | 83.47 | 65.74 | 44.80 | 41.19 | 63.36 | |||||||||||||
1939 | 40.06 | 39.04 | 56.81 | 68.53 | 75.52 | 76.70 | 89.68 | 90.48 | 79.43 | 64.26 | 55.43 | 46.97 | 65.24 | |||||||||||||
1940 | 40.29 | 45.90 | 56.94 | 61.87 | 75.87 | 85.40 | 88.52 | 89.65 | 73.80 | 68.29 | 44.00 | 43.42 | 64.49 | |||||||||||||
1941 | 40.16 | 48.04 | 59.19 | 62.37 | 71.55 | 75.43 | 89.71 | 83.55 | 72.10 | 63.90 | 52.13 | 42.35 | 63.37 | |||||||||||||
1942 | 31.94 | 40.43 | 54.03 | 66.33 | 66.32 | 74.60 | 91.77 | 88.84 | 78.47 | 68.10 | 48.90 | a | 39.19 | 62.41 | ||||||||||||
1943 | 36.71 | 47.07 | 52.19 | 69.30 | 68.48 | 76.20 | 88.65 | 86.55 | 82.73 | 66.58 | 50.73 | 41.48 | 63.89 | |||||||||||||
1944 | 38.60 | k | 44.93 | 50.65 | 62.93 | 75.03 | 74.60 | 88.39 | 87.84 | 80.77 | 75.13 | 47.63 | 36.97 | a | 65.90 | a | ||||||||||
1945 | 39.55 | 47.89 | 53.52 | 60.30 | 71.03 | 74.23 | 91.29 | 90.13 | 76.87 | 72.06 | 49.20 | 40.81 | 63.91 | |||||||||||||
1946 | 40.32 | 45.14 | 57.26 | 68.90 | 74.39 | 81.27 | 89.81 | 87.90 | 76.53 | 58.94 | 48.07 | 45.33 | a | 64.49 | ||||||||||||
1947 | 36.03 | a | 49.96 | 59.61 | 64.70 | 77.94 | 74.77 | 91.19 | 87.39 | 78.67 | 68.55 | 46.33 | 41.19 | 64.69 | ||||||||||||
1948 | 45.00 | 44.31 | 51.57 | a | 63.27 | ----- | z | 81.74 | c | 86.77 | 87.03 | 77.97 | 68.68 | 48.90 | 35.26 | 62.77 | a | |||||||||
1949 | 24.45 | 43.44 | a | 58.55 | 72.03 | 77.55 | 81.27 | 89.55 | 88.35 | ----- | z | ----- | z | ----- | z | ----- | z | 66.90 | d | |||||||
1950 | 33.45 | 45.82 | 50.94 | 63.23 | 70.35 | 78.27 | 85.29 | c | ----- | z | 73.15 | d | 68.97 | 51.83 | 42.61 | 60.36 | a | |||||||||
1951 | 37.45 | 46.11 | 50.39 | 67.21 | a | 70.77 | 75.63 | 89.10 | 84.83 | a | 77.77 | 61.13 | 48.86 | a | 35.11 | c | 62.03 | |||||||||
1952 | 32.58 | 38.69 | 46.83 | b | 69.21 | b | 71.37 | a | 76.90 | a | 87.35 | 85.78 | h | 80.33 | c | 71.84 | 47.03 | a | 40.61 | 60.25 | a | |||||
1953 | 48.52 | b | 47.54 | b | 57.11 | l | 60.23 | 64.52 | 72.20 | 88.40 | a | 85.54 | e | 80.67 | 66.83 | b | 56.87 | 38.89 | c | 64.56 | a | |||||
1954 | 44.33 | a | 50.40 | c | 52.83 | a | 65.63 | c | 75.62 | b | 73.63 | c | 88.80 | a | 81.26 | 75.57 | 65.63 | a | 54.82 | b | 38.90 | 63.95 | ||||
1955 | 30.77 | 35.73 | b | 48.42 | 57.34 | a | 69.37 | a | 80.14 | a | 83.90 | 89.58 | 75.67 | 66.94 | 44.47 | 42.70 | a | 60.42 | ||||||||
1956 | 40.42 | 36.52 | 56.10 | b | 67.27 | 72.93 | a | 77.28 | a | 89.64 | c | 83.85 | k | 79.60 | 62.65 | 46.17 | 38.50 | a | 60.64 | a | ||||||
1957 | 29.61 | 42.86 | 54.27 | a | 62.82 | b | 71.29 | 81.82 | b | 88.71 | 85.04 | g | 81.33 | 61.86 | b | 47.60 | 42.00 | 60.38 | a | |||||||
1958 | 39.00 | 51.54 | 53.90 | b | 61.52 | a | 79.94 | 78.69 | d | 88.65 | 89.97 | a | 76.50 | 70.29 | c | 50.41 | c | 44.67 | a | 65.42 | ||||||
1959 | 45.00 | 47.38 | b | 55.60 | a | 68.24 | a | 68.80 | a | 82.64 | b | 89.87 | 82.79 | l | 71.30 | 63.87 | 50.83 | 41.71 | 62.30 | a | ||||||
1960 | 31.57 | a | 42.21 | 55.87 | 64.87 | 69.06 | 83.03 | a | 91.71 | 82.71 | c | 79.13 | 65.06 | 49.93 | 39.45 | 62.88 | ||||||||||
1961 | 42.32 | 49.59 | a | 56.29 | 63.59 | a | 73.59 | b | 87.45 | a | 90.29 | 89.90 | 70.70 | 61.65 | 48.47 | 38.23 | 64.34 | |||||||||
1962 | 29.65 | 39.79 | 52.06 | 70.50 | 68.17 | b | 80.83 | 86.97 | a | 85.00 | a | 79.33 | 64.77 | 52.30 | 43.45 | 62.74 | ||||||||||
1963 | 34.61 | 53.86 | 57.58 | 60.07 | 74.26 | 76.70 | 85.52 | 87.54 | g | 81.00 | 67.77 | 50.07 | 34.10 | 61.41 | a | |||||||||||
1964 | 34.21 | c | 37.81 | b | 50.16 | 62.23 | 70.90 | a | 75.30 | 88.94 | 82.70 | a | 73.86 | a | 68.35 | 47.80 | 42.68 | 61.25 | ||||||||
1965 | 37.71 | 48.29 | 54.81 | 64.47 | 69.16 | 78.60 | 86.71 | 83.20 | a | 70.33 | 70.87 | 54.53 | 40.71 | 63.28 | ||||||||||||
1966 | 41.87 | a | 45.00 | 57.84 | 66.79 | a | 77.53 | a | 78.00 | 87.32 | 87.27 | a | 80.03 | 65.00 | 53.13 | 39.48 | 64.94 | |||||||||
1967 | 43.71 | 50.75 | 55.39 | 56.83 | 72.16 | 79.33 | 90.39 | 90.68 | 82.11 | c | 64.26 | 50.57 | 36.52 | 64.39 | ||||||||||||
1968 | 37.77 | 51.45 | 59.97 | 61.93 | 70.24 | b | 80.83 | a | 89.58 | 79.80 | a | 75.07 | 63.58 | 47.00 | 40.23 | 63.12 | ||||||||||
1969 | 39.13 | 41.00 | 54.87 | 65.90 | 74.90 | a | 78.90 | a | 87.55 | 87.71 | 78.37 | 58.71 | 51.67 | 41.97 | a | 63.39 | ||||||||||
1970 | 42.84 | 51.93 | 53.70 | a | 57.53 | 72.41 | b | 81.86 | a | 89.43 | a | 90.00 | e | 73.20 | 60.77 | 51.17 | 39.68 | 63.71 | ||||||||
1971 | 39.94 | 47.93 | 51.52 | 64.27 | 74.13 | a | 77.80 | 89.23 | 91.74 | 72.87 | 61.90 | 48.84 | e | 36.10 | 63.02 | |||||||||||
1972 | 37.23 | 44.90 | 59.16 | 62.50 | 75.55 | 80.63 | 86.52 | 87.77 | 72.43 | 64.71 | 48.53 | 32.97 | 62.74 | |||||||||||||
1973 | 38.32 | 48.86 | 56.29 | 63.57 | 75.77 | 81.83 | 89.29 | 86.16 | 76.77 | 65.35 | 48.03 | 43.35 | 64.47 | |||||||||||||
1974 | 36.06 | 48.25 | 54.30 | a | 64.37 | 69.90 | a | 86.53 | 88.17 | a | 86.45 | b | 81.64 | b | 66.10 | a | 51.33 | 39.23 | 64.36 | |||||||
1975 | 34.68 | 43.26 | a | 52.48 | 55.87 | 70.19 | 76.77 | 89.71 | 81.93 | a | 80.83 | a | 63.84 | 48.43 | 38.10 | 61.34 | ||||||||||
1976 | 39.52 | 43.90 | 50.35 | 62.53 | 75.87 | 77.90 | 88.39 | 81.30 | a | 77.97 | 66.27 | a | 54.03 | 41.84 | 63.32 | |||||||||||
1977 | 26.84 | 45.86 | 55.00 | 72.77 | 67.26 | 84.20 | 87.45 | 86.93 | a | 75.66 | a | 66.42 | 49.77 | 43.10 | 63.44 | |||||||||||
1978 | 43.03 | 45.68 | 60.97 | 60.70 | 70.72 | b | 79.97 | 86.39 | 85.52 | 74.93 | 69.19 | 47.10 | 35.16 | 63.28 | ||||||||||||
1979 | 26.03 | 42.25 | 57.45 | 63.37 | 73.39 | 83.57 | 89.19 | 85.37 | a | 82.97 | 67.29 | 45.83 | 44.61 | 63.44 | ||||||||||||
1980 | 38.58 | 47.86 | 53.68 | 68.47 | 70.23 | a | 78.73 | 88.45 | 83.77 | 77.20 | 66.61 | 49.63 | 40.48 | 63.64 | ||||||||||||
1981 | 39.77 | 48.11 | 58.52 | 65.40 | 69.52 | 79.17 | 88.16 | 90.35 | 79.50 | 63.06 | 53.47 | 42.52 | 64.80 | |||||||||||||
1982 | 33.58 | 40.00 | 54.68 | 60.97 | a | 71.74 | 81.83 | 85.84 | 87.26 | 75.40 | 64.37 | a | 45.07 | 38.84 | 61.63 | |||||||||||
1983 | 41.35 | 50.32 | 55.45 | 60.70 | 71.42 | 80.00 | a | 84.90 | 88.74 | 77.37 | 67.26 | 51.40 | 31.29 | 63.35 | ||||||||||||
1984 | 30.13 | 37.24 | 54.81 | 60.93 | 70.13 | a | 76.17 | 90.00 | a | 89.84 | 75.83 | a | 60.68 | 47.60 | 33.68 | 60.59 | ||||||||||
1985 | 29.55 | 36.61 | 50.61 | 70.60 | 74.87 | a | 85.24 | a | 94.23 | 86.21 | b | 69.50 | b | 63.94 | 37.48 | a | 20.84 | 59.97 | ||||||||
1986 | 36.81 | 50.32 | 61.57 | a | 62.48 | e | 74.46 | c | 88.57 | b | 86.19 | 91.03 | 71.37 | 68.03 | 51.97 | 36.68 | 64.96 | |||||||||
1987 | 36.81 | 49.32 | 57.13 | 75.07 | 78.55 | i | 87.48 | c | 87.23 | 87.10 | 82.28 | a | 72.25 | c | 51.07 | a | 41.68 | 66.13 | a | |||||||
1988 | 34.58 | 48.34 | 58.80 | a | 68.47 | 73.35 | 87.33 | 94.10 | 90.16 | 79.93 | c | 76.37 | a | 49.23 | 33.68 | 66.20 | ||||||||||
1989 | 32.23 | 33.46 | 55.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.35 | i | |||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | 81.32 | 84.70 | 86.94 | 90.94 | 80.70 | 68.97 | a | 42.21 | b | 35.39 | 71.40 | d | ||||||
1993 | 32.06 | 36.96 | e | 50.45 | 61.40 | 77.26 | 76.11 | b | 79.14 | b | 83.00 | 79.36 | b | 67.93 | a | 46.72 | a | 43.97 | a | 61.20 | ||||||
1994 | 38.16 | 44.79 | 62.83 | a | 66.97 | 74.52 | 83.33 | 91.56 | d | 91.25 | g | 83.33 | 64.24 | f | 41.50 | 36.00 | h | 65.22 | c | |||||||
1995 | 43.61 | 53.18 | 55.16 | 62.50 | 70.13 | a | 77.40 | 87.97 | b | 87.78 | d | 81.38 | i | 64.32 | c | 53.64 | b | 39.94 | 63.24 | a | ||||||
1996 | 40.63 | d | 44.97 | 57.50 | a | 64.44 | c | 68.84 | 82.76 | a | 92.30 | a | ----- | z | 76.69 | d | 73.28 | m | 51.70 | c | 42.81 | d | 62.26 | b | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.82 | 44.72 | 54.96 | 64.41 | 72.67 | 80.27 | 89.35 | 87.61 | 77.74 | 66.66 | 49.59 | 39.38 | 63.65 | |||||||||||||
S.D. | 5.44 | 5.21 | 3.52 | 4.17 | 3.82 | 3.84 | 2.91 | 3.18 | 3.68 | 3.68 | 3.69 | 4.51 | 1.63 | |||||||||||||
SKEW | -0.31 | -0.40 | 0.26 | 0.39 | 0.37 | 0.17 | -0.20 | -0.30 | -0.32 | 0.22 | -0.59 | -0.99 | 0.39 | |||||||||||||
MAX | 48.52 | 54.96 | 65.16 | 75.07 | 82.39 | 88.57 | 95.61 | 95.03 | 84.33 | 76.37 | 56.87 | 49.45 | 69.35 | |||||||||||||
MIN | 24.32 | 32.71 | 46.83 | 55.87 | 64.52 | 72.20 | 79.14 | 79.80 | 69.50 | 58.71 | 37.48 | 20.84 | 59.97 | |||||||||||||
YRS | 67 | 68 | 67 | 67 | 66 | 68 | 68 | 60 | 65 | 65 | 67 | 66 | 52 |