YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 38.67 | s | 49.98 | 61.33 | u | 64.58 | a | 73.48 | a | 76.77 | a | 76.70 | a | 70.08 | 63.11 | 49.40 | o | ----- | z | 67.82 | e | |||
1956 | 45.00 | q | 39.48 | 51.63 | 55.77 | ----- | z | 79.50 | o | 76.10 | 72.98 | 70.10 | 57.47 | a | ----- | z | ----- | z | 60.50 | e | ||||||
1957 | ----- | z | 55.42 | j | 52.73 | a | 58.38 | a | 64.77 | a | 76.50 | c | 80.95 | c | 76.43 | c | 69.66 | b | 57.32 | a | 41.52 | h | 41.18 | c | 64.21 | c |
1958 | 35.93 | b | 46.26 | e | 45.58 | a | 59.07 | g | 68.13 | d | 77.60 | 79.29 | c | 77.74 | 69.20 | 59.25 | o | ----- | z | ----- | z | 62.47 | d | |||
1959 | 41.98 | 44.05 | 48.27 | 60.18 | 64.56 | 78.17 | 79.39 | 77.47 | 71.08 | 60.97 | 46.68 | 41.52 | 59.53 | |||||||||||||
1960 | 37.06 | 39.60 | 53.25 | a | 58.75 | 65.23 | 79.03 | 77.75 | a | 78.35 | 72.77 | 59.81 | 50.90 | a | 33.05 | 58.80 | ||||||||||
1961 | 39.32 | 44.98 | a | 50.58 | a | 57.75 | 65.95 | 77.76 | g | 79.37 | a | 77.52 | 69.47 | 59.23 | 45.02 | 42.90 | a | 57.46 | a | |||||||
1962 | 38.08 | a | 48.24 | a | 45.90 | 61.13 | 66.08 | 73.13 | 76.19 | 77.52 | 70.57 | 61.21 | 51.22 | 42.34 | 59.30 | |||||||||||
1963 | 37.18 | 46.30 | 50.10 | 59.40 | 68.84 | 73.73 | 81.53 | 75.44 | 71.98 | 62.52 | 48.78 | 37.74 | 59.46 | |||||||||||||
1964 | 34.21 | 36.03 | 47.19 | 56.75 | 67.05 | ----- | z | ----- | z | 77.52 | 70.28 | 60.40 | 47.23 | 39.62 | a | 53.63 | b | |||||||||
1965 | 41.69 | 41.14 | 45.76 | 57.10 | 64.31 | 70.93 | 78.85 | 75.81 | 68.72 | 59.16 | 51.78 | 41.18 | 58.04 | |||||||||||||
1966 | 34.82 | 37.02 | 49.42 | 57.12 | 66.16 | 73.00 | 79.81 | 75.20 | a | 69.45 | 57.87 | 50.28 | 39.24 | 57.45 | ||||||||||||
1967 | 38.53 | b | 44.64 | 54.52 | 60.80 | 64.37 | 73.83 | ----- | z | ----- | z | ----- | z | 59.89 | ----- | z | ----- | z | 56.65 | e | ||||||
1968 | 40.56 | 46.31 | 49.03 | 54.52 | 65.97 | 75.40 | 76.08 | 73.94 | 67.93 | 60.60 | 47.08 | 38.16 | 57.97 | |||||||||||||
1969 | 44.68 | 43.02 | 44.40 | 60.10 | 66.60 | 74.53 | 80.21 | 79.92 | 70.77 | 59.65 | 46.97 | 41.90 | 59.39 | |||||||||||||
1970 | 38.63 | 44.48 | 46.79 | 53.88 | a | ----- | z | ----- | z | 79.55 | 77.58 | 69.83 | 54.69 | 47.57 | 42.97 | 55.60 | b | |||||||||
1971 | 40.48 | 43.02 | 50.76 | 55.25 | 64.00 | 74.75 | 76.19 | 74.32 | 68.87 | 57.10 | 47.48 | 39.37 | 57.63 | |||||||||||||
1972 | 39.94 | 44.38 | 55.06 | 57.70 | 64.24 | 73.97 | 77.27 | 74.81 | 68.35 | 60.98 | 42.45 | 39.79 | 58.25 | |||||||||||||
1973 | 36.24 | 41.11 | 46.79 | 52.22 | 63.11 | 72.23 | 76.15 | 74.34 | 69.60 | 57.97 | 49.58 | 39.06 | 56.53 | |||||||||||||
1974 | 40.68 | 39.52 | 54.03 | 56.75 | 68.26 | 76.93 | 75.31 | 72.02 | 66.37 | 58.58 | 46.43 | 36.05 | 57.58 | |||||||||||||
1975 | 37.73 | 42.64 | 48.03 | 52.02 | 61.02 | 71.97 | 75.23 | 75.16 | 66.72 | a | 57.87 | 46.27 | 40.06 | 56.23 | ||||||||||||
1976 | 38.00 | 47.29 | 48.90 | 57.48 | 64.35 | 74.50 | 75.40 | 74.42 | 67.50 | 53.29 | 42.88 | 37.05 | 56.76 | |||||||||||||
1977 | 37.32 | 42.80 | 45.16 | 56.73 | 64.53 | 76.53 | 78.61 | 78.66 | 72.40 | 60.45 | 49.15 | 43.53 | 58.82 | |||||||||||||
1978 | 40.85 | 42.05 | 51.90 | 59.18 | 65.66 | 76.95 | 80.50 | 75.15 | 68.23 | 60.27 | 49.80 | 38.18 | 59.06 | |||||||||||||
1979 | 37.26 | 43.25 | 48.66 | 56.62 | 63.05 | 71.73 | 77.84 | 73.00 | 68.58 | 60.79 | 42.05 | 39.53 | 56.86 | |||||||||||||
1980 | 43.29 | 45.43 | 47.19 | 53.83 | 63.34 | 77.63 | 81.40 | 76.35 | 70.73 | 55.69 | 45.78 | 43.55 | 58.69 | |||||||||||||
1981 | 41.26 | 45.34 | 47.98 | 60.73 | 65.29 | 76.60 | 79.53 | 75.08 | 69.50 | 59.40 | 49.97 | 44.45 | 59.59 | |||||||||||||
1982 | 41.85 | 45.55 | 52.05 | 58.87 | 64.71 | 74.12 | 79.44 | 78.06 | 71.10 | 57.66 | 46.86 | a | 37.61 | 58.99 | ||||||||||||
1983 | 39.79 | 44.45 | 50.03 | 52.22 | a | 63.29 | 71.50 | 78.50 | 77.95 | 73.13 | 60.73 | 48.30 | 40.79 | 58.39 | ||||||||||||
1984 | 39.18 | 41.74 | 50.55 | 57.12 | 70.94 | 74.80 | 78.15 | 74.50 | 69.37 | 56.10 | 46.95 | 39.23 | 58.22 | |||||||||||||
1985 | 37.15 | 42.02 | 50.61 | 58.82 | 66.13 | 74.08 | 78.27 | 76.67 | k | 67.29 | d | 59.10 | 48.63 | 40.18 | 56.57 | a | ||||||||||
1986 | 42.40 | 47.36 | 51.69 | 60.22 | a | 65.26 | 75.88 | 75.56 | 76.37 | 67.70 | 56.52 | 45.85 | 37.62 | b | 58.54 | |||||||||||
1987 | 37.32 | 41.52 | 45.69 | 54.97 | 62.37 | 72.95 | 76.15 | 73.94 | 65.95 | 61.10 | 45.77 | 35.92 | a | 56.14 | ||||||||||||
1988 | 37.73 | 45.07 | 47.63 | 54.92 | 64.42 | 73.58 | 76.32 | 74.23 | 66.53 | 61.34 | 48.13 | 37.58 | 57.29 | |||||||||||||
1989 | 38.29 | 46.25 | 52.34 | 61.55 | 67.69 | 74.02 | 77.95 | 74.82 | 69.52 | 58.10 | 47.63 | 37.06 | 58.77 | |||||||||||||
1990 | 38.11 | 41.16 | 50.56 | 60.28 | 65.29 | 79.98 | 76.26 | 72.47 | 70.28 | 58.05 | 48.15 | 38.81 | 58.28 | |||||||||||||
1991 | 39.13 | 45.84 | 47.40 | 56.70 | 64.55 | 72.50 | 75.37 | 74.61 | 67.27 | 59.16 | 45.05 | 39.76 | 57.28 | |||||||||||||
1992 | 35.97 | 42.81 | 48.69 | 58.25 | 63.68 | 71.08 | 76.03 | 74.71 | 70.17 | 59.93 | a | 42.58 | 38.16 | 56.84 | ||||||||||||
1993 | 42.47 | 43.73 | 49.03 | 56.62 | 64.69 | 74.00 | 78.19 | 75.19 | 68.30 | 56.82 | 44.73 | 38.42 | 57.68 | |||||||||||||
1994 | 38.79 | 41.64 | 50.31 | 56.72 | 66.65 | 79.23 | 80.21 | 78.84 | 70.75 | 58.66 | 48.35 | 42.48 | b | 59.39 | ||||||||||||
1995 | 39.95 | 48.62 | 51.69 | 54.78 | 64.97 | 73.45 | 76.85 | 78.97 | 70.68 | 60.44 | 50.92 | 41.61 | 59.41 | |||||||||||||
1996 | 41.71 | 49.17 | 49.15 | 57.32 | 70.29 | 78.00 | 79.90 | 75.90 | 68.27 | 59.58 | a | 48.32 | 41.20 | a | 59.90 | |||||||||||
1997 | 38.61 | 42.75 | 52.13 | 55.33 | a | 67.85 | 73.10 | e | 78.11 | 76.76 | d | 73.62 | 58.38 | j | 46.62 | e | 36.55 | a | 58.31 | a | ||||||
1998 | 41.15 | g | 41.18 | 47.98 | c | 52.73 | 65.68 | 74.35 | 78.89 | 76.53 | 74.27 | 61.38 | b | 50.12 | f | 41.44 | e | 61.44 | b | |||||||
1999 | 43.00 | 46.17 | a | 51.92 | 55.75 | 66.10 | 73.63 | 77.55 | 76.55 | 69.83 | 59.37 | a | 50.50 | 37.93 | a | 59.02 | ||||||||||
2000 | 43.19 | 47.10 | 50.63 | 61.08 | 71.73 | 76.74 | a | 79.68 | 78.36 | f | 73.07 | ----- | z | ----- | z | ----- | z | 62.90 | d | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.29 | 43.69 | 49.56 | 57.15 | 65.58 | 74.77 | 78.01 | 75.90 | 69.69 | 59.08 | 47.40 | 39.63 | 58.24 | |||||||||||||
S.D. | 2.45 | 2.93 | 2.59 | 2.58 | 2.17 | 2.31 | 1.81 | 1.88 | 1.97 | 2.04 | 2.46 | 2.43 | 1.06 | |||||||||||||
SKEW | 0.13 | -0.41 | 0.04 | -0.20 | 0.86 | 0.45 | 0.10 | 0.04 | 0.30 | -0.60 | -0.37 | -0.18 | -0.38 | |||||||||||||
MAX | 44.68 | 49.17 | 55.06 | 61.55 | 71.73 | 79.98 | 81.53 | 79.92 | 74.27 | 63.11 | 51.78 | 44.45 | 59.90 | |||||||||||||
MIN | 34.21 | 36.03 | 44.40 | 52.02 | 61.02 | 70.93 | 75.23 | 72.02 | 65.95 | 53.29 | 42.05 | 33.05 | 56.14 | |||||||||||||
YRS | 42 | 44 | 46 | 44 | 44 | 42 | 44 | 43 | 45 | 43 | 39 | 41 | 34 |