YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.60 | 85.58 | 78.94 | 81.17 | 64.77 | a | 50.07 | a | 41.36 | t | 71.02 | f | ||||
1954 | ----- | z | ----- | z | ----- | z | 59.67 | 71.39 | 68.27 | 84.68 | 77.23 | a | 74.03 | 64.07 | b | 55.50 | 38.65 | 65.94 | c | |||||||
1955 | 34.94 | 39.93 | 46.10 | ----- | z | ----- | z | 77.34 | a | 79.20 | a | 88.10 | 75.57 | 65.17 | a | 45.22 | c | 37.81 | 58.94 | b | ||||||
1956 | 38.35 | 36.59 | 46.32 | 58.23 | 65.06 | 69.96 | c | 84.30 | a | 80.52 | b | 75.37 | 65.40 | k | ----- | z | ----- | z | 61.63 | c | ||||||
1957 | ----- | z | ----- | z | 45.16 | l | 58.87 | ----- | z | 78.80 | 81.06 | 79.29 | 80.24 | a | 56.87 | a | 45.73 | 43.40 | a | 65.53 | d | |||||
1958 | 39.26 | 46.89 | 45.32 | 54.00 | a | 74.68 | 73.13 | 84.16 | 87.00 | a | 71.07 | b | 70.29 | 53.97 | a | 47.13 | 62.24 | |||||||||
1959 | 42.27 | a | 43.32 | c | 51.58 | 65.00 | a | 62.17 | a | 76.43 | 89.90 | 82.06 | 69.23 | 66.67 | a | 57.00 | 41.35 | 62.25 | ||||||||
1960 | 36.65 | 41.79 | 53.73 | a | 60.10 | 60.26 | 77.82 | b | 87.07 | a | 79.90 | 78.40 | 63.00 | 45.62 | a | 41.35 | 60.47 | |||||||||
1961 | 44.68 | 44.19 | b | 45.87 | 58.79 | a | 62.45 | b | 81.14 | a | 87.23 | 86.45 | 72.20 | 63.81 | 47.00 | b | 38.07 | a | 60.99 | |||||||
1962 | 35.17 | b | 39.75 | 45.16 | 63.45 | a | 59.43 | a | 74.13 | 84.03 | b | 79.03 | a | 79.76 | a | 62.58 | 50.34 | a | 43.26 | 59.68 | ||||||
1963 | 43.42 | 51.81 | a | 48.48 | 47.83 | a | 65.87 | 70.50 | 78.42 | 80.97 | a | 79.10 | a | 62.35 | 46.83 | 43.23 | 59.90 | |||||||||
1964 | 36.97 | 40.55 | 43.19 | 54.57 | 62.35 | 69.67 | 82.58 | 81.74 | 74.89 | b | 70.57 | c | 45.87 | ----- | z | 60.27 | a | |||||||||
1965 | ----- | z | ----- | z | ----- | z | 59.68 | h | 66.19 | 74.10 | 84.58 | 78.94 | ----- | z | 71.90 | 49.10 | 37.10 | 65.99 | e | |||||||
1966 | 39.39 | 40.93 | 52.23 | 63.90 | 70.77 | 69.87 | ----- | z | ----- | z | ----- | z | 55.82 | n | ----- | z | ----- | z | 56.18 | f | ||||||
1967 | ----- | z | ----- | z | ----- | z | 45.33 | 68.03 | a | 75.73 | 88.03 | 91.50 | g | 82.73 | 65.00 | a | 51.70 | 32.54 | g | 68.08 | e | |||||
1968 | 36.84 | 45.20 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.00 | o | 45.87 | 36.74 | 39.82 | i | |||
1969 | 34.97 | 38.89 | a | 47.19 | d | 58.54 | d | 72.59 | d | 75.62 | d | 84.93 | c | 86.75 | k | 76.62 | f | 56.87 | a | 54.08 | d | 41.70 | a | 56.54 | b | |
1970 | 40.31 | b | 50.31 | b | 50.50 | a | 53.07 | a | 70.86 | b | 82.32 | h | 90.09 | i | 88.06 | 74.41 | a | 62.34 | b | 45.82 | b | 34.17 | b | 56.99 | b | |
1971 | 39.55 | 44.28 | c | 43.84 | 56.68 | e | 65.29 | 71.76 | a | 86.70 | d | 88.90 | 74.14 | a | 61.84 | f | 47.96 | e | 34.35 | 59.41 | a | |||||
1972 | 37.13 | 45.69 | 56.52 | 55.60 | 69.59 | d | 79.81 | d | 88.30 | h | 87.34 | b | 71.93 | 63.48 | 45.17 | f | 33.55 | 60.06 | b | |||||||
1973 | 37.45 | 46.04 | 47.26 | d | 61.66 | a | 74.93 | b | 83.45 | j | 87.23 | i | 85.82 | c | 80.55 | h | 61.04 | e | 42.36 | b | 40.10 | 55.18 | c | |||
1974 | 37.53 | a | 43.71 | 48.94 | 57.30 | 65.32 | 83.53 | 84.80 | a | 86.65 | h | 84.27 | d | 67.71 | 50.45 | a | 41.35 | 60.45 | a | |||||||
1975 | 36.95 | k | ----- | z | ----- | z | 49.74 | c | 68.30 | a | 75.47 | 86.12 | g | 86.00 | o | 83.10 | a | 58.58 | 47.71 | b | 43.39 | 60.90 | e | |||
1976 | 43.94 | 45.76 | 47.77 | 55.93 | 71.68 | 74.17 | 86.10 | 75.44 | d | 77.39 | b | 68.61 | 58.14 | a | 46.13 | 62.59 | ||||||||||
1977 | 35.74 | 50.86 | 47.23 | 65.30 | 58.03 | 83.10 | 87.72 | b | 86.87 | a | 72.63 | 64.97 | 47.40 | 40.90 | 61.73 | |||||||||||
1978 | 43.03 | 45.79 | 56.26 | 53.10 | 63.25 | c | 75.80 | 84.63 | a | 82.45 | 71.10 | 71.81 | 46.77 | 36.80 | a | 60.90 | ||||||||||
1979 | 36.97 | 42.00 | 54.42 | 57.63 | 70.48 | 79.27 | 86.16 | 80.90 | a | 80.47 | 66.13 | a | 45.47 | 41.87 | 61.81 | |||||||||||
1980 | 41.43 | a | 47.52 | 48.94 | 60.40 | 65.35 | 69.55 | a | 85.71 | 83.03 | 78.23 | 68.26 | 50.70 | 43.23 | 61.86 | |||||||||||
1981 | 43.90 | 47.15 | a | 51.45 | 59.69 | a | 65.23 | 75.87 | 85.84 | 90.19 | 78.27 | 60.52 | 49.34 | a | 42.23 | 62.47 | ||||||||||
1982 | 33.83 | a | 42.26 | a | 47.17 | a | 54.14 | a | 67.70 | a | 74.62 | a | 82.68 | c | 83.70 | k | 72.41 | h | 61.03 | b | 43.97 | 35.33 | a | 54.27 | b | |
1983 | 42.58 | 44.36 | c | 46.46 | c | 51.73 | 66.00 | d | 74.40 | e | 80.00 | d | 82.58 | e | 77.89 | k | 67.07 | c | 43.25 | b | 34.76 | b | 57.56 | a | ||
1984 | 38.72 | f | 43.28 | 52.36 | f | 52.93 | c | 68.05 | i | 74.17 | f | 89.54 | r | 86.24 | f | 72.50 | l | 57.12 | o | 43.29 | p | ----- | z | 48.10 | j | |
1985 | 39.50 | s | 41.40 | w | ----- | z | 63.10 | j | 71.17 | g | 80.83 | g | 89.39 | m | 82.33 | j | 66.36 | e | 65.32 | l | 39.22 | c | 38.95 | k | 52.79 | j |
1986 | 47.33 | p | 48.90 | h | 56.88 | f | 58.20 | e | 66.92 | e | 83.69 | n | 83.38 | g | 90.84 | l | 67.33 | f | 65.27 | e | 49.37 | c | 40.04 | c | 55.96 | g |
1987 | 39.17 | g | 45.78 | e | 51.31 | e | 68.26 | g | 70.48 | f | 83.86 | i | 80.50 | i | 86.50 | i | 82.77 | d | 73.52 | h | 50.55 | h | 38.08 | f | 59.95 | i |
1988 | 35.79 | c | 48.00 | h | 58.59 | n | 64.55 | h | 66.44 | f | 75.50 | b | 92.20 | k | 88.69 | e | 82.42 | f | 76.81 | d | 45.56 | c | 39.07 | c | 60.24 | f |
1989 | 33.78 | h | 38.00 | g | 47.83 | g | 64.73 | d | 67.35 | h | 78.96 | f | 86.50 | k | 82.70 | d | 76.23 | d | 62.03 | a | 50.96 | e | 46.16 | f | 67.33 | g |
1990 | 42.47 | a | 44.72 | c | 53.96 | e | 66.27 | d | 64.52 | f | 69.91 | s | 88.92 | e | 83.97 | 80.72 | a | 67.10 | b | 49.52 | a | 36.73 | a | 61.44 | b | |
1991 | 44.83 | b | 54.07 | a | 48.03 | b | 56.00 | c | 61.77 | a | 72.60 | 88.63 | a | 87.87 | 86.52 | c | 70.29 | 46.89 | l | 41.86 | i | 67.06 | b | |||
1992 | 42.55 | 50.07 | 57.40 | a | 60.45 | a | 77.84 | 77.30 | 83.90 | 87.81 | 77.07 | 64.52 | d | 46.71 | i | 32.32 | 64.66 | a | ||||||||
1993 | 31.81 | 36.25 | 48.77 | i | 52.70 | 67.13 | 71.77 | 76.68 | 79.00 | 78.20 | 66.97 | ----- | z | ----- | z | 62.28 | c | |||||||||
1994 | ----- | z | ----- | z | ----- | z | ----- | z | 68.77 | 75.73 | 89.55 | 85.55 | 79.63 | 62.33 | d | 37.53 | 36.68 | 66.97 | d | |||||||
1995 | 40.52 | 53.33 | a | 45.58 | e | 60.89 | u | 63.35 | 71.28 | e | 80.77 | a | 81.57 | a | 79.37 | 64.10 | 54.60 | 39.65 | 61.28 | a | ||||||
1996 | 38.97 | 43.28 | 52.42 | 57.33 | 62.45 | 74.73 | 87.61 | 85.77 | 73.97 | 62.65 | 49.87 | 39.20 | a | 60.69 | ||||||||||||
1997 | 38.03 | 43.00 | 54.42 | 55.27 | 71.29 | 72.33 | 81.87 | 83.52 | 74.93 | 61.13 | 47.77 | 37.39 | 60.08 | |||||||||||||
1998 | 41.16 | 41.39 | 50.10 | 54.70 | 56.35 | 71.73 | 86.61 | 86.87 | 79.90 | a | 62.39 | 43.30 | c | 38.15 | k | 61.32 | a | |||||||||
1999 | 39.32 | 39.69 | b | 45.45 | 54.20 | 63.43 | a | 73.45 | a | 83.13 | 82.30 | a | 79.33 | 68.54 | c | 53.74 | c | 43.96 | c | 60.55 | ||||||
2000 | 41.14 | b | 45.00 | e | 48.16 | 63.23 | 67.32 | 81.30 | c | 87.06 | 91.48 | 74.20 | 59.81 | 41.14 | a | 39.11 | c | 61.58 | ||||||||
2001 | 39.47 | a | 43.35 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.40 | y | ----- | z | 41.41 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.25 | 44.42 | 49.38 | 57.34 | 66.58 | 74.70 | 84.75 | 83.75 | 77.08 | 64.86 | 48.15 | 39.50 | 61.24 | |||||||||||||
S.D. | 3.29 | 4.26 | 3.83 | 4.85 | 4.78 | 4.05 | 3.16 | 3.97 | 4.39 | 4.20 | 4.59 | 3.60 | 0.95 | |||||||||||||
SKEW | -0.11 | 0.39 | 0.48 | -0.17 | 0.13 | 0.20 | -0.63 | -0.03 | -0.18 | 0.46 | 0.05 | -0.00 | -0.14 | |||||||||||||
MAX | 44.83 | 54.07 | 57.40 | 66.27 | 77.84 | 83.53 | 89.90 | 91.48 | 86.52 | 76.81 | 58.14 | 47.13 | 62.59 | |||||||||||||
MIN | 31.81 | 36.25 | 43.19 | 45.33 | 56.35 | 65.60 | 76.68 | 75.44 | 66.36 | 56.87 | 37.53 | 32.32 | 59.68 | |||||||||||||
YRS | 37 | 37 | 34 | 39 | 38 | 39 | 36 | 37 | 38 | 41 | 40 | 36 | 16 |