YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | 42.14 | b | 47.04 | a | 46.77 | 47.80 | 59.00 | 64.53 | 74.03 | 71.90 | 63.23 | 50.90 | 42.70 | 37.35 | 53.95 | |||||||||||
1942 | 34.42 | 33.14 | 38.13 | 50.10 | 57.39 | 65.70 | 76.26 | 71.71 | 66.13 | 54.90 | 42.73 | 35.97 | 52.22 | |||||||||||||
1943 | 38.06 | 44.39 | 48.90 | 53.57 | 61.68 | 69.03 | 77.26 | 74.58 | 67.77 | 56.06 | 40.77 | 37.35 | 55.79 | |||||||||||||
1944 | 32.45 | 36.00 | 38.42 | 46.69 | d | 55.23 | 63.29 | b | 75.42 | 75.77 | 67.83 | 58.16 | 42.63 | 36.68 | 52.38 | |||||||||||
1945 | 36.90 | k | 41.61 | 43.55 | 49.50 | 60.13 | 63.90 | 76.10 | 75.06 | 68.17 | 58.35 | 42.53 | 36.42 | 55.94 | a | |||||||||||
1946 | 37.84 | 37.64 | 46.10 | 57.07 | 59.55 | 67.96 | b | 74.94 | 76.90 | 72.27 | 50.30 | u | ----- | z | ----- | z | 58.92 | c | ||||||||
1947 | 31.50 | w | ----- | z | 44.61 | 50.36 | b | 62.23 | a | 69.21 | k | 78.06 | 74.84 | f | ----- | z | ----- | z | ----- | z | 36.45 | i | 58.82 | h | ||
1948 | 34.44 | d | 39.17 | k | 43.19 | d | 51.54 | f | 59.00 | d | 67.37 | 75.48 | 76.85 | e | 70.80 | 60.43 | a | 38.60 | e | 38.87 | 56.50 | b | ||||
1949 | 34.68 | 38.04 | 42.53 | a | 52.29 | b | 57.52 | b | 68.15 | c | 73.77 | 70.10 | 70.50 | b | 53.81 | 48.43 | 38.13 | a | 54.00 | |||||||
1950 | 35.65 | 42.39 | 44.68 | 55.00 | e | 56.72 | b | 61.57 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.89 | g | |||
1951 | 36.96 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.93 | p | ----- | z |
1952 | 37.17 | a | 35.10 | 38.68 | ----- | z | 59.55 | 65.03 | 72.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.27 | f | |||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.48 | 44.34 | a | 32.14 | b | 45.32 | i | |
1954 | 36.58 | 43.46 | 43.97 | 52.83 | 58.29 | 65.60 | 75.35 | 70.10 | 66.37 | 54.81 | 44.97 | 34.42 | 53.90 | |||||||||||||
1955 | 32.94 | 32.21 | 41.23 | a | 46.43 | 49.71 | ----- | z | 70.23 | r | 69.94 | 62.63 | 55.65 | 45.03 | 41.35 | 47.71 | b | |||||||||
1956 | 42.32 | 37.10 | 45.94 | 52.87 | 59.84 | 70.90 | 73.52 | 69.81 | 67.70 | 53.94 | 39.57 | 35.48 | 54.08 | |||||||||||||
1957 | 43.61 | 47.39 | 48.00 | a | 51.33 | 58.48 | 70.17 | 76.68 | 74.23 | 67.47 | 58.35 | 42.33 | 40.39 | 56.54 | ||||||||||||
1958 | 37.90 | 45.07 | 44.13 | 49.93 | 65.19 | 70.80 | 77.87 | 77.35 | 69.17 | 62.16 | 45.70 | 39.42 | 57.06 | |||||||||||||
1959 | 38.90 | 40.04 | 44.94 | 56.63 | 58.29 | 73.47 | 78.71 | 75.19 | 68.37 | 57.65 | 47.03 | 42.16 | 56.78 | |||||||||||||
1960 | 36.13 | 37.14 | 46.94 | 51.93 | 59.03 | 71.20 | 76.94 | 75.16 | 69.50 | 56.06 | 45.37 | 37.13 | 55.21 | |||||||||||||
1961 | 40.65 | 41.14 | 47.48 | 53.50 | 60.10 | 73.00 | 77.81 | 74.58 | 66.57 | 55.71 | 44.00 | 39.81 | 56.19 | |||||||||||||
1962 | 38.23 | 44.57 | 41.97 | 55.07 | 57.61 | 66.53 | 76.55 | 76.19 | 70.83 | 57.68 | 49.07 | 41.84 | 56.34 | |||||||||||||
1963 | 36.16 | 46.39 | 46.10 | 49.10 | 63.90 | 65.17 | 78.74 | 74.77 | 72.27 | 60.97 | 48.97 | 36.52 | 56.59 | |||||||||||||
1964 | 32.87 | 33.28 | 42.55 | 50.03 | 58.26 | 66.83 | 77.52 | 73.29 | 67.67 | 61.16 | 42.67 | 39.81 | 53.83 | |||||||||||||
1965 | 39.48 | 39.18 | 41.77 | 49.23 | 56.35 | 62.73 | 76.71 | 74.03 | 65.30 | 57.65 | 49.97 | 42.23 | 54.55 | |||||||||||||
1966 | 35.32 | 37.14 | 45.39 | 53.20 | 63.10 | 68.97 | 77.29 | 76.71 | 71.40 | 53.87 | 45.90 | 37.77 | 55.51 | |||||||||||||
1967 | 35.23 | 40.43 | 48.42 | 47.53 | 57.94 | 66.43 | 77.42 | 75.81 | 70.47 | 57.68 | 50.07 | 36.39 | 55.32 | |||||||||||||
1968 | 38.42 | 46.55 | 46.26 | 50.55 | a | 59.06 | 66.97 | 74.42 | 70.94 | 66.87 | 56.13 | 44.67 | 34.58 | 54.62 | ||||||||||||
1969 | 42.52 | 39.93 | 40.87 | 51.17 | 60.61 | 65.53 | 77.32 | 77.42 | 68.90 | 51.55 | 46.27 | 41.94 | 55.34 | |||||||||||||
1970 | 35.52 | 43.41 | a | 44.71 | 46.53 | 60.48 | 69.57 | 77.65 | 75.77 | 65.23 | 51.19 | 43.00 | 37.10 | 54.18 | ||||||||||||
1971 | 33.68 | 38.29 | 42.90 | 48.20 | 54.74 | 65.27 | 76.71 | 73.19 | 67.17 | 52.10 | 41.73 | 36.32 | 52.52 | |||||||||||||
1972 | 33.10 | 39.34 | 49.32 | 50.63 | 56.81 | 68.30 | 74.94 | 70.19 | 63.60 | 54.42 | 39.67 | 36.87 | 53.10 | |||||||||||||
1973 | 35.90 | 43.36 | 42.48 | 47.50 | 61.74 | 66.30 | 73.35 | 72.84 | 62.30 | 51.19 | 41.17 | 37.68 | 52.98 | |||||||||||||
1974 | 38.71 | 37.64 | 45.33 | d | 48.47 | 57.35 | 67.27 | 68.97 | 67.71 | 66.30 | 56.77 | 40.87 | 32.87 | 52.36 | ||||||||||||
1975 | 34.84 | 36.71 | 41.71 | 42.73 | 51.68 | 60.90 | 69.07 | c | 63.61 | 59.10 | ----- | z | 42.77 | 39.90 | 49.37 | a | ||||||||||
1976 | 36.48 | 46.07 | a | 41.37 | a | 45.00 | 57.68 | 65.17 | 73.16 | 68.71 | 63.40 | 50.61 | 42.80 | 37.74 | 52.35 | |||||||||||
1977 | 39.35 | 40.25 | 40.29 | 51.76 | a | 55.55 | 69.50 | 76.39 | 73.68 | 65.20 | 56.16 | 44.00 | 42.74 | 54.57 | ||||||||||||
1978 | 42.10 | 43.39 | 49.10 | a | 49.63 | 56.10 | 67.60 | 74.13 | 70.97 | 69.52 | a | 59.42 | 46.90 | 37.81 | 55.55 | |||||||||||
1979 | 38.00 | 39.93 | 44.39 | 47.37 | 61.74 | 69.97 | 74.10 | 69.90 | a | 73.82 | b | 59.77 | 39.93 | 40.00 | 54.91 | |||||||||||
1980 | 42.52 | 44.38 | 45.00 | 52.33 | 55.52 | 69.50 | 76.70 | h | 71.74 | 65.90 | 53.06 | 43.54 | b | 40.61 | 53.10 | a | ||||||||||
1981 | 41.97 | 42.42 | b | 40.97 | 50.44 | c | 57.10 | a | 71.93 | 75.58 | 76.25 | c | 72.52 | c | 58.90 | 46.67 | 40.97 | a | 56.31 | |||||||
1982 | 38.29 | 42.75 | 46.71 | 50.57 | 60.03 | a | 65.50 | 75.59 | b | 76.10 | 70.55 | a | 54.40 | a | 46.83 | 39.42 | 55.56 | |||||||||
1983 | 39.97 | 41.86 | 46.16 | 45.87 | 58.47 | a | 68.67 | 76.13 | 74.57 | a | 73.93 | 59.48 | 45.04 | c | 41.00 | b | 55.93 | |||||||||
1984 | 37.45 | 36.86 | 45.42 | 50.40 | 64.19 | 69.60 | 75.93 | a | 75.06 | 71.97 | 59.16 | 51.00 | b | 39.83 | a | 56.41 | ||||||||||
1985 | 38.93 | b | 38.18 | 45.33 | a | 55.46 | b | 62.86 | b | 70.25 | b | 76.17 | b | 73.81 | d | 62.14 | a | 55.00 | a | 45.10 | 38.61 | 55.15 | ||||
1986 | 42.67 | d | 45.62 | b | ----- | z | 55.86 | b | 63.46 | c | 73.71 | b | 75.04 | c | 77.15 | d | 65.54 | d | 56.16 | 47.07 | b | 39.43 | a | 58.34 | a | |
1987 | 36.90 | b | 42.71 | d | 44.57 | c | 56.64 | h | 63.20 | a | 71.96 | c | 73.45 | b | 73.85 | e | 68.67 | c | 62.04 | e | 45.66 | a | 36.90 | 56.35 | a | |
1988 | 37.78 | d | 43.38 | c | 46.44 | d | 53.58 | d | 61.92 | e | 71.69 | a | 78.26 | 76.54 | c | 66.78 | c | 63.68 | c | 46.33 | 39.32 | 57.14 | ||||
1989 | 37.06 | 43.44 | c | 50.10 | b | 58.63 | c | 61.79 | b | 71.03 | 76.71 | 74.52 | b | 71.50 | d | 57.63 | a | 45.97 | a | 36.86 | b | 57.10 | ||||
1990 | 38.04 | f | 40.46 | b | 49.96 | d | 56.86 | i | 60.93 | b | 72.31 | a | 76.77 | 74.22 | d | 70.10 | 57.14 | c | 48.11 | b | 37.55 | b | 58.76 | b | ||
1991 | 39.12 | g | 45.82 | f | 41.32 | 49.81 | i | 58.41 | d | 65.21 | b | 76.23 | 75.71 | c | 70.29 | b | 61.76 | b | 44.96 | d | 43.08 | f | 61.74 | d | ||
1992 | 39.63 | a | 45.46 | e | 46.61 | 54.90 | a | 63.93 | c | 68.40 | 74.58 | 74.24 | b | 69.41 | c | 58.77 | 40.79 | a | 38.55 | 56.27 | ||||||
1993 | 45.53 | a | 44.88 | b | 46.43 | c | 51.72 | a | 62.97 | a | 67.66 | a | 75.79 | c | 75.00 | 66.55 | a | 58.23 | a | 44.00 | 37.60 | a | 56.36 | |||
1994 | 36.41 | b | 40.07 | 48.54 | c | ----- | z | 59.20 | a | 72.83 | 77.42 | 78.93 | a | 69.59 | a | 57.14 | b | 43.67 | 41.73 | a | 56.87 | a | ||||
1995 | 41.39 | 46.15 | a | ----- | z | 49.73 | 57.59 | b | 65.50 | b | 76.47 | a | 78.97 | b | 73.80 | 56.27 | a | 49.47 | 40.53 | a | 57.80 | a | ||||
1996 | 38.54 | c | 47.66 | 47.90 | 54.11 | b | 64.97 | b | 72.93 | 80.41 | b | 79.10 | 67.59 | a | 57.83 | a | 47.29 | b | 40.25 | c | 58.21 | |||||
1997 | 41.23 | a | 41.11 | a | 49.07 | b | 53.45 | a | 67.43 | a | 69.03 | 76.16 | 77.79 | b | 74.03 | 57.60 | a | 47.76 | a | 38.13 | 57.73 | |||||
1998 | 40.83 | a | 41.32 | 45.89 | d | 48.47 | 56.90 | b | 65.50 | 78.20 | a | 78.68 | 72.20 | 56.28 | b | 44.11 | b | 39.84 | 55.68 | |||||||
1999 | 40.03 | a | 43.00 | 47.62 | b | 50.41 | c | 61.18 | c | 72.00 | a | 76.53 | a | 75.58 | 70.79 | b | 58.96 | c | 48.76 | a | 36.86 | b | 56.81 | |||
2000 | 41.66 | b | 43.38 | 45.84 | 54.82 | b | 65.00 | b | 73.07 | 79.10 | 78.17 | a | 73.31 | a | ----- | z | 40.00 | a | 39.39 | 57.61 | a | |||||
2001 | 38.83 | a | 40.41 | a | 46.62 | b | 53.45 | a | 65.81 | 71.86 | a | 78.21 | b | 76.90 | b | 72.39 | b | 59.10 | 50.43 | 37.03 | a | 57.59 | ||||
2002 | 39.28 | b | 41.14 | 43.18 | c | 56.13 | 59.14 | b | 72.12 | d | 77.26 | 76.95 | l | 73.70 | 56.73 | a | 48.44 | c | 39.86 | b | 55.18 | a | ||||
2003 | 44.17 | b | 43.93 | 44.94 | 47.97 | 63.68 | 70.21 | a | 79.20 | a | 75.75 | g | ----- | z | 62.90 | a | 45.11 | b | 38.48 | d | 54.06 | b | ||||
2004 | 42.70 | a | 38.68 | d | 55.62 | e | 54.82 | b | 63.97 | a | 69.24 | a | 76.97 | 75.90 | 69.80 | 57.55 | b | 46.07 | c | 40.17 | b | 57.62 | ||||
2005 | 44.07 | c | 47.14 | 45.66 | b | 49.46 | b | 63.03 | a | 69.79 | a | 78.84 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.86 | e | ||
2006 | ----- | z | ----- | z | ----- | z | ----- | z | 68.40 | u | 72.86 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | 60.28 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.28 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.47 | 41.35 | 45.07 | 51.28 | 59.85 | 68.51 | 76.09 | 74.28 | 68.57 | 57.03 | 44.90 | 38.48 | 55.29 | |||||||||||||
S.D. | 3.20 | 3.77 | 3.17 | 3.51 | 3.41 | 3.04 | 2.16 | 3.12 | 3.43 | 3.09 | 3.04 | 2.29 | 1.64 | |||||||||||||
SKEW | 0.10 | -0.37 | 0.21 | 0.15 | -0.25 | -0.20 | -1.10 | -0.92 | -0.41 | -0.16 | -0.01 | -0.40 | -0.33 | |||||||||||||
MAX | 45.53 | 47.66 | 55.62 | 60.28 | 67.43 | 73.71 | 80.41 | 79.10 | 74.03 | 63.68 | 51.00 | 42.74 | 58.21 | |||||||||||||
MIN | 32.45 | 32.21 | 38.13 | 42.73 | 49.71 | 60.90 | 68.97 | 63.61 | 59.10 | 50.61 | 38.60 | 32.14 | 52.22 | |||||||||||||
YRS | 59 | 60 | 61 | 58 | 63 | 60 | 60 | 57 | 58 | 57 | 59 | 58 | 44 |