YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.35 | 81.29 | 77.97 | 64.10 | 51.77 | 40.23 | 66.78 | f | ||||||
1931 | 42.06 | 46.64 | 46.94 | 58.80 | 67.19 | 85.37 | 89.77 | 85.32 | 82.27 | 68.13 | 50.90 | 47.00 | 64.20 | |||||||||||||
1932 | 39.03 | 51.72 | 45.32 | 63.30 | 71.29 | 78.03 | 88.87 | 85.90 | 77.13 | 63.39 | 57.33 | 41.00 | h | 65.58 | a | |||||||||||
1933 | 46.71 | 42.61 | 54.16 | 55.60 | 65.45 | 85.13 | 87.84 | 83.65 | 81.53 | 72.13 | 60.17 | 51.87 | 65.57 | |||||||||||||
1934 | 51.03 | 46.86 | 58.32 | 63.97 | 78.10 | 85.77 | 93.29 | 88.29 | 77.50 | 73.48 | 55.67 | 44.45 | 68.06 | |||||||||||||
1935 | 52.87 | 50.39 | 55.74 | 56.54 | b | 57.29 | 77.93 | 86.58 | 85.52 | 76.59 | a | 65.07 | c | 50.67 | 46.13 | 63.44 | ||||||||||
1936 | 42.32 | 43.17 | 53.39 | 61.00 | 69.77 | 82.13 | 88.61 | 83.71 | 76.00 | 60.10 | 53.67 | 46.39 | 63.36 | |||||||||||||
1937 | 30.47 | a | 44.39 | 45.14 | b | 57.89 | b | 68.13 | 72.48 | a | 85.84 | 89.52 | 78.33 | 65.94 | 51.60 | 42.48 | 61.02 | |||||||||
1938 | 42.06 | 45.89 | 52.39 | 59.27 | 63.32 | 77.83 | 83.23 | e | 85.52 | 73.43 | 66.39 | 45.20 | 42.65 | 61.43 | ||||||||||||
1939 | 37.71 | 32.07 | 45.58 | 57.47 | 69.93 | a | 81.56 | c | 89.90 | 84.40 | a | 79.63 | 65.97 | 55.07 | 50.42 | 62.48 | ||||||||||
1940 | 31.94 | 39.41 | 49.53 | a | 55.50 | 66.00 | 78.30 | 84.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.83 | e | ||||||
1941 | 41.72 | b | 44.25 | 43.39 | 52.37 | 66.39 | 74.43 | 86.23 | 85.19 | 75.13 | 61.71 | 55.70 | 46.52 | 61.09 | ||||||||||||
1942 | 38.35 | 34.43 | 45.84 | 60.93 | 68.19 | 75.77 | 86.81 | 84.35 | 75.27 | 61.81 | 57.23 | 47.55 | 61.38 | |||||||||||||
1943 | 44.77 | 51.61 | 48.47 | a | 65.77 | 64.81 | 80.67 | 91.32 | 89.06 | 80.10 | 68.52 | 54.33 | 44.55 | 65.33 | ||||||||||||
1944 | 44.06 | 42.93 | 45.90 | 51.40 | 69.48 | 81.13 | 84.26 | 87.97 | 81.27 | 70.29 | ----- | z | ----- | z | 65.87 | b | ||||||||||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | 71.97 | a | 73.60 | 86.48 | 83.26 | 75.50 | 70.06 | 56.47 | 44.39 | 70.22 | d | |||||||
1946 | ----- | z | 46.32 | 57.87 | 68.07 | 62.90 | 83.80 | 86.87 | 84.32 | 77.50 | 63.29 | 42.70 | 48.03 | 65.61 | a | |||||||||||
1947 | 43.65 | 41.96 | 47.32 | 56.90 | 67.77 | 73.03 | 84.77 | 84.87 | 81.60 | 69.68 | 46.77 | 45.45 | 61.98 | |||||||||||||
1948 | 41.10 | 38.31 | 43.26 | 64.23 | 69.68 | 77.30 | 86.61 | 86.83 | b | 82.33 | 68.29 | 48.23 | 45.16 | 62.61 | ||||||||||||
1949 | 32.29 | 45.29 | 51.81 | 60.83 | 68.55 | 75.87 | 83.58 | 85.26 | 77.87 | 64.61 | 63.10 | 48.03 | 63.09 | |||||||||||||
1950 | 46.94 | 51.86 | 51.13 | 61.83 | 65.45 | 81.00 | 81.97 | 83.10 | 74.17 | 76.84 | 53.43 | 51.42 | 64.93 | |||||||||||||
1951 | 38.68 | 48.25 | 48.94 | 56.40 | 70.29 | 73.37 | 87.97 | 82.26 | 77.57 | 63.48 | 49.74 | g | 41.16 | 62.58 | a | |||||||||||
1952 | 47.68 | 46.86 | 46.23 | 59.87 | 68.42 | 87.23 | 89.27 | a | 86.71 | 81.33 | 70.65 | 45.27 | 42.29 | 64.32 | ||||||||||||
1953 | 50.42 | 46.54 | 57.42 | 55.53 | 64.68 | 83.87 | 88.06 | 83.97 | 82.86 | a | 69.13 | 56.73 | 41.65 | 65.07 | ||||||||||||
1954 | 46.94 | 58.64 | 48.42 | 69.47 | 70.58 | 85.97 | 90.65 | 85.45 | 81.80 | 66.65 | 57.63 | 48.68 | 67.57 | |||||||||||||
1955 | 40.32 | 41.50 | 52.71 | 64.30 | 71.23 | 76.83 | 89.61 | 84.97 | 78.13 | 69.97 | 50.40 | 49.26 | 64.10 | |||||||||||||
1956 | 48.00 | 39.97 | 53.10 | 59.50 | 73.55 | 89.17 | 86.23 | 81.74 | 82.63 | 71.16 | 47.27 | 44.97 | 64.77 | |||||||||||||
1957 | 38.23 | 53.18 | 49.74 | 51.50 | 63.71 | 78.07 | 84.68 | 82.74 | 76.03 | 62.87 | 46.50 | 51.81 | 61.59 | |||||||||||||
1958 | 44.10 | 48.57 | 41.65 | 54.63 | 72.77 | 80.70 | 83.65 | 87.58 | 78.70 | 66.90 | 55.50 | 47.52 | 63.52 | |||||||||||||
1959 | 43.77 | 43.18 | 47.29 | 58.86 | a | 67.10 | 82.20 | 87.39 | 87.10 | 75.07 | 60.87 | 53.07 | 47.97 | 62.82 | ||||||||||||
1960 | 37.58 | 33.48 | 46.42 | 61.83 | 68.71 | 82.70 | 85.65 | 87.26 | 78.67 | 65.61 | 55.73 | 40.97 | 62.05 | |||||||||||||
1961 | 42.97 | 46.39 | 48.94 | 57.40 | 68.23 | 78.13 | 85.29 | 84.29 | 68.63 | 64.06 | 48.43 | 40.61 | 61.11 | |||||||||||||
1962 | 38.65 | 45.89 | 48.58 | 64.27 | 74.32 | 76.87 | 86.52 | 88.77 | 77.33 | 69.84 | 57.33 | 49.29 | 64.81 | |||||||||||||
1963 | 34.90 | 50.82 | 54.29 | 67.27 | 76.26 | 84.27 | 90.74 | 80.23 | 78.30 | 72.16 | 58.77 | 45.61 | 66.13 | |||||||||||||
1964 | 44.29 | 39.52 | 44.90 | 59.54 | b | 72.19 | 78.53 | 90.68 | 84.61 | 77.70 | 70.19 | 55.50 | 49.65 | 63.94 | ||||||||||||
1965 | 56.29 | 46.11 | 41.26 | 62.57 | 70.61 | 76.07 | b | 83.42 | 79.77 | 68.30 | 69.58 | 64.03 | 54.71 | 64.39 | ||||||||||||
1966 | 46.10 | 45.07 | 60.48 | 61.77 | 74.84 | 81.30 | 88.58 | 82.39 | 76.83 | 69.94 | 61.47 | 50.74 | 66.63 | |||||||||||||
1967 | 51.19 | 52.32 | 60.32 | 65.73 | 69.26 | 73.33 | 81.90 | 81.13 | 76.93 | 72.48 | 59.40 | 44.43 | a | 65.70 | ||||||||||||
1968 | 46.90 | 51.72 | 57.68 | 58.60 | 68.65 | 84.80 | 84.81 | 81.90 | a | 77.33 | 70.71 | 52.83 | 47.29 | 65.27 | ||||||||||||
1969 | 50.58 | 51.21 | 46.58 | 67.07 | 71.55 | 71.97 | 86.39 | 86.71 | 76.90 | 53.06 | 51.43 | 48.29 | 63.48 | |||||||||||||
1970 | 47.03 | 59.68 | 46.43 | h | 56.53 | 74.16 | 77.87 | 86.16 | 86.23 | 76.90 | 62.00 | 54.97 | 50.84 | 66.58 | a | |||||||||||
1971 | 45.77 | 43.93 | 54.10 | 61.87 | 66.48 | 86.23 | 84.84 | 85.77 | 72.80 | 67.42 | 54.47 | 46.87 | 64.21 | |||||||||||||
1972 | 46.97 | 51.00 | 59.55 | 63.17 | 69.29 | 81.30 | 83.58 | 81.39 | 75.03 | 66.10 | 43.37 | 39.97 | 63.39 | |||||||||||||
1973 | 37.68 | 46.75 | 47.52 | 54.60 | 67.48 | 81.17 | 83.23 | 86.00 | 72.60 | 67.97 | 52.03 | 42.10 | 61.59 | |||||||||||||
1974 | 38.74 | 42.57 | 56.00 | 58.30 | 75.35 | 79.87 | 85.58 | 81.58 | 72.43 | 65.68 | 49.80 | 41.19 | 62.26 | |||||||||||||
1975 | 44.26 | 43.89 | 49.42 | 57.00 | 64.84 | 76.03 | 83.68 | 84.35 | 73.83 | 70.10 | 48.57 | 47.48 | 61.95 | |||||||||||||
1976 | 43.97 | 51.31 | 49.33 | a | ----- | z | 67.23 | 81.23 | 86.29 | 81.94 | 72.13 | 60.58 | 49.20 | 47.06 | 62.75 | a | ||||||||||
1977 | 40.61 | 47.43 | 49.81 | 58.93 | 71.61 | 84.23 | 86.19 | 82.19 | 80.60 | 68.84 | 51.17 | 48.81 | 64.20 | |||||||||||||
1978 | 38.39 | 41.82 | 54.39 | 60.90 | 65.71 | 78.86 | a | 88.45 | 83.74 | 79.83 | 67.97 | 49.63 | 37.52 | 62.27 | ||||||||||||
1979 | 30.19 | 45.71 | 48.84 | 59.79 | a | 64.03 | 77.27 | 86.10 | 81.55 | 79.83 | 68.42 | 42.83 | 46.65 | 60.93 | ||||||||||||
1980 | 37.87 | 45.14 | 47.58 | 55.80 | 64.48 | 85.03 | 87.65 | 85.29 | 79.47 | 65.74 | 51.83 | 54.19 | 63.34 | |||||||||||||
1981 | 48.77 | 48.32 | 47.74 | 67.00 | 63.87 | 80.40 | 84.90 | 81.71 | 79.27 | 64.10 | 56.47 | 45.97 | 64.04 | |||||||||||||
1982 | 44.10 | 43.79 | 53.06 | 61.77 | 66.23 | 73.13 | 84.94 | 84.00 | 74.83 | 61.32 | 47.69 | a | 43.81 | 61.56 | ||||||||||||
1983 | 43.42 | 44.14 | 43.94 | 49.50 | 62.77 | a | 72.90 | a | 83.61 | 83.84 | 79.63 | 67.35 | 49.47 | 29.74 | 59.19 | |||||||||||
1984 | 39.71 | 42.52 | 45.71 | 52.40 | 72.19 | 77.30 | 85.77 | 82.42 | 74.37 | 53.84 | 53.20 | 44.68 | 60.34 | |||||||||||||
1985 | 37.81 | 40.07 | 51.32 | 61.57 | 68.68 | 79.41 | a | 83.35 | 86.10 | b | 70.67 | 65.14 | c | 43.62 | a | 40.48 | 60.69 | |||||||||
1986 | 54.53 | a | 47.07 | 58.77 | 61.20 | 68.03 | a | 80.10 | 86.10 | 84.16 | 74.43 | 62.65 | 51.77 | 41.52 | 64.19 | |||||||||||
1987 | 42.42 | 45.25 | 48.26 | 64.97 | 67.00 | 80.77 | 86.87 | 82.87 | 75.30 | 65.97 | b | 51.00 | b | 38.63 | a | 62.44 | ||||||||||
1988 | 36.69 | b | 43.86 | 48.76 | b | 64.07 | b | 69.83 | b | 81.63 | 87.00 | 85.39 | 75.69 | a | 69.39 | 52.72 | a | 43.84 | 63.24 | |||||||
1989 | 47.61 | 32.88 | b | 59.39 | 62.80 | 72.61 | 76.30 | 86.87 | a | 81.87 | 74.38 | a | 64.03 | a | 56.03 | 40.35 | 62.93 | |||||||||
1990 | 46.47 | a | 43.43 | 49.77 | 61.17 | 68.00 | 84.53 | 82.62 | b | 82.71 | 79.34 | a | 68.06 | 56.13 | 39.29 | 63.46 | ||||||||||
1991 | 40.57 | a | 52.32 | 52.77 | 60.20 | 71.63 | d | 81.57 | 83.81 | 81.97 | 76.27 | 67.45 | 46.09 | g | 42.45 | 64.64 | a | |||||||||
1992 | 40.97 | b | 46.76 | 53.39 | c | 67.70 | c | 72.03 | 75.27 | 81.66 | b | 81.23 | e | 78.77 | 69.83 | b | 44.32 | b | 37.32 | 62.44 | ||||||
1993 | 39.53 | a | 39.27 | b | 54.52 | b | 59.23 | d | 69.25 | c | 79.36 | b | 85.39 | c | 81.11 | c | 75.25 | f | 61.21 | c | 45.66 | a | 47.37 | a | 60.17 | a |
1994 | 44.29 | 46.52 | c | 57.38 | b | 59.24 | a | 73.45 | b | 84.76 | e | 86.75 | c | 86.57 | c | 79.48 | e | 64.10 | b | 52.35 | d | 50.04 | c | 65.41 | ||
1995 | 46.61 | c | 53.04 | b | 53.85 | e | 58.27 | d | 60.19 | e | 77.40 | e | 82.75 | c | 88.72 | b | 78.39 | g | 66.07 | b | 58.67 | c | 45.25 | c | 62.80 | a |
1996 | 41.27 | e | 51.23 | c | 52.93 | d | 62.08 | e | 73.86 | c | 81.61 | b | 86.82 | c | 85.25 | c | 74.18 | b | 69.42 | g | 55.30 | g | 48.14 | c | 65.74 | b |
1997 | 44.69 | e | 43.77 | b | 60.41 | d | 57.21 | f | 71.28 | b | 79.48 | a | 86.20 | a | 81.83 | a | 77.34 | a | 64.92 | e | 46.00 | c | 38.27 | a | 63.11 | a |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.89 | 45.65 | 50.84 | 60.12 | 68.81 | 79.72 | 86.19 | 84.31 | 77.10 | 66.44 | 52.39 | 45.22 | 63.36 | |||||||||||||
S.D. | 5.45 | 5.41 | 5.00 | 4.37 | 3.90 | 4.08 | 2.45 | 2.35 | 3.24 | 4.19 | 5.06 | 4.51 | 1.84 | |||||||||||||
SKEW | -0.05 | -0.13 | 0.26 | -0.13 | -0.22 | 0.03 | 0.46 | 0.25 | -0.43 | -0.63 | -0.00 | -0.52 | 0.27 | |||||||||||||
MAX | 56.29 | 59.68 | 60.48 | 69.47 | 78.10 | 89.17 | 93.29 | 89.52 | 82.86 | 76.84 | 64.03 | 54.71 | 68.06 | |||||||||||||
MIN | 30.19 | 32.07 | 41.26 | 49.50 | 57.29 | 71.97 | 81.66 | 79.77 | 68.30 | 53.06 | 42.70 | 29.74 | 59.19 | |||||||||||||
YRS | 65 | 66 | 65 | 64 | 67 | 67 | 68 | 67 | 65 | 66 | 63 | 65 | 54 |