YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.10 | u | 80.00 | e | 69.66 | b | 56.20 | 43.74 | 62.40 | h | ||
1963 | 31.06 | 51.07 | 50.29 | 57.83 | 76.40 | a | 81.76 | a | 93.52 | 86.43 | q | 82.72 | a | 71.85 | d | 51.62 | a | 39.06 | 62.47 | a | ||||||
1964 | 35.29 | 36.96 | a | 45.35 | e | 57.79 | a | 71.33 | a | 79.00 | a | 94.74 | 88.21 | c | 80.69 | d | 70.95 | j | 43.81 | c | 37.34 | b | 60.96 | a | ||
1965 | 38.79 | c | 42.39 | 45.10 | 58.80 | 68.10 | a | 77.27 | d | 86.27 | a | 85.03 | 71.65 | g | 70.23 | e | 58.28 | l | 40.45 | i | 63.55 | c | ||||
1966 | 37.23 | e | 37.17 | e | 53.54 | c | 62.97 | a | 74.90 | b | 82.24 | a | 91.34 | b | 88.00 | e | 81.62 | f | 61.03 | a | 52.41 | a | 37.66 | b | 61.68 | a |
1967 | 39.47 | a | 45.82 | 53.74 | 59.17 | 68.31 | b | 74.90 | 89.77 | 89.96 | c | 80.93 | 68.81 | 53.57 | 33.84 | 63.19 | ||||||||||
1968 | 36.81 | 43.10 | 52.39 | 54.39 | b | 68.42 | 82.17 | 90.84 | 81.54 | c | 76.72 | a | 66.52 | ----- | z | 38.16 | 62.82 | a | ||||||||
1969 | 43.96 | c | 39.07 | 42.90 | a | 63.53 | 79.29 | 77.67 | 91.71 | 91.06 | 80.13 | 54.13 | 51.27 | 44.23 | 63.25 | |||||||||||
1970 | 40.71 | 48.79 | 47.47 | a | 54.70 | 72.74 | 80.40 | 90.71 | 91.58 | 74.83 | 58.39 | 49.17 | 39.00 | 62.37 | ||||||||||||
1971 | 40.42 | 41.30 | a | 49.52 | b | 59.77 | d | 69.24 | b | 83.03 | 91.06 | 92.00 | 74.50 | 58.86 | b | 43.41 | c | 33.84 | 61.41 | |||||||
1972 | 38.27 | a | 45.32 | d | 58.24 | b | 61.79 | b | 73.23 | 82.13 | 89.68 | 88.03 | 76.40 | 61.55 | 44.13 | 34.52 | 62.77 | |||||||||
1973 | 31.32 | 39.82 | 46.68 | 54.27 | 71.90 | 82.70 | 87.48 | 89.48 | 75.97 | 67.16 | 46.30 | 39.34 | b | 61.04 | ||||||||||||
1974 | 32.30 | a | 40.75 | 54.42 | 58.27 | 76.73 | a | 87.10 | 90.03 | 87.48 | 79.30 | 66.00 | 50.03 | a | 37.35 | k | 65.67 | a | ||||||||
1975 | 37.55 | 42.11 | 47.32 | 54.41 | a | 66.13 | 76.80 | 88.71 | 86.06 | 79.30 | 63.29 | c | 48.43 | 38.25 | o | 62.74 | a | |||||||||
1976 | 39.74 | d | 44.69 | 48.10 | 61.53 | 73.84 | 81.23 | 91.61 | 87.65 | 79.37 | 65.93 | a | 54.90 | 46.71 | 64.61 | |||||||||||
1977 | 42.26 | 51.68 | 50.39 | 66.33 | 70.94 | 89.90 | 89.77 | 85.48 | 78.83 | 70.26 | 53.93 | a | 42.13 | 65.99 | ||||||||||||
1978 | 41.10 | u | 44.63 | i | 55.52 | 61.77 | 68.07 | b | 83.10 | 92.56 | d | 87.08 | e | 77.96 | d | 70.24 | n | 52.71 | w | 31.59 | n | 75.15 | e | |||
1979 | ----- | z | 42.50 | r | 46.22 | v | 60.90 | 70.13 | 83.04 | b | 90.77 | 85.32 | 83.83 | 67.55 | b | 42.17 | 40.48 | 69.36 | c | |||||||
1980 | 35.48 | 41.59 | 45.74 | 60.43 | 67.48 | 84.80 | 90.48 | 86.00 | 78.63 | 65.13 | 52.80 | 49.13 | 63.14 | |||||||||||||
1981 | 46.13 | 49.08 | b | 52.38 | b | 67.30 | 68.10 | 84.60 | 90.23 | 88.97 | 81.10 | 59.74 | 52.50 | 43.32 | 65.29 | |||||||||||
1982 | 38.84 | 41.43 | 50.13 | 57.59 | a | 69.80 | a | 79.10 | a | 88.03 | a | 88.67 | a | 72.33 | 58.77 | 43.90 | 37.23 | 60.48 | ||||||||
1983 | 42.81 | 44.89 | 47.07 | a | 52.23 | 64.71 | 75.90 | 86.70 | a | 88.50 | a | 81.21 | a | 67.61 | 44.90 | 30.48 | f | 63.32 | a | |||||||
1984 | 28.06 | 36.93 | a | 45.24 | b | 55.69 | a | 74.14 | c | 81.04 | b | 90.19 | 87.84 | 75.43 | b | 55.76 | b | 46.75 | b | 37.06 | 59.51 | |||||
1985 | 32.37 | a | 37.64 | 49.41 | d | 68.65 | d | 73.60 | a | 85.21 | a | 88.84 | 89.67 | a | 72.07 | a | 65.25 | c | 44.44 | c | 41.81 | 62.41 | ||||
1986 | 42.61 | 47.07 | 59.21 | b | 61.82 | b | 70.24 | b | 86.97 | 85.13 | a | 88.32 | 70.52 | c | 63.41 | n | 47.21 | f | 41.33 | a | 65.32 | b | ||||
1987 | 37.43 | a | 43.00 | 47.93 | c | 67.50 | b | 72.58 | 85.54 | b | 87.39 | 85.47 | a | 80.83 | a | 67.52 | d | 50.43 | i | 37.62 | e | 64.80 | a | |||
1988 | 32.81 | e | 45.39 | a | 47.11 | c | 62.54 | b | 69.21 | c | 89.13 | 93.39 | 89.23 | 76.61 | b | 71.03 | 47.79 | a | 37.45 | 63.47 | ||||||
1989 | 36.93 | b | 31.81 | a | 55.61 | 66.77 | 74.87 | a | 81.61 | b | 93.93 | a | 86.97 | b | 79.41 | a | 68.71 | c | 54.21 | a | 36.33 | a | 63.93 | |||
1990 | 40.06 | 40.86 | 53.77 | 66.10 | 71.29 | 84.53 | 89.74 | 89.28 | b | 82.38 | a | 61.62 | b | 50.14 | a | 28.77 | a | 63.21 | ||||||||
1991 | 33.48 | 46.14 | 49.32 | 57.77 | 71.23 | 82.63 | ----- | z | ----- | z | ----- | z | ----- | z | 43.90 | 36.23 | 52.59 | d | ||||||||
1992 | 38.29 | 47.52 | 57.42 | 70.10 | 76.26 | 83.03 | a | 85.29 | ----- | z | 80.18 | b | 72.24 | f | 42.24 | a | 36.30 | a | 61.66 | b | ||||||
1993 | 36.87 | 35.57 | 53.63 | a | 58.97 | 72.13 | 80.59 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.29 | f | ||||
1994 | ----- | z | ----- | z | ----- | z | 63.33 | 78.39 | 88.65 | g | 93.30 | k | 91.28 | f | 81.89 | l | 60.89 | d | 43.88 | e | 41.00 | i | 61.62 | h | ||
1995 | 40.35 | h | 51.15 | a | 53.73 | e | 59.37 | 62.37 | a | 75.86 | i | 86.59 | i | 91.17 | a | 80.32 | e | 67.23 | a | 57.12 | f | 46.83 | g | 66.48 | e | |
1996 | 38.97 | 43.00 | h | 54.80 | k | 66.65 | j | 71.38 | e | 87.56 | l | 94.42 | e | 92.29 | g | 76.62 | f | 56.24 | n | 51.91 | g | 41.19 | d | 61.49 | h | |
1997 | 38.14 | i | 42.24 | k | 55.57 | c | 52.26 | k | 73.46 | e | 82.24 | m | 91.79 | l | 87.77 | i | 77.43 | g | 65.89 | m | 49.12 | m | 38.61 | h | 64.52 | j |
1998 | 44.50 | g | 43.74 | e | 56.56 | m | 58.64 | h | 73.47 | n | 77.14 | h | 91.50 | c | 89.90 | k | 85.00 | p | 60.11 | v | 56.53 | m | 39.03 | 58.09 | i | |
1999 | 44.23 | 47.04 | a | 58.36 | c | 57.04 | b | 68.83 | b | 81.29 | b | 91.03 | a | 88.78 | d | 76.29 | b | 73.68 | c | 59.47 | 43.32 | c | 65.78 | |||
2000 | 44.58 | e | 49.35 | c | 53.26 | d | 67.75 | f | 78.09 | i | 85.50 | d | 93.33 | a | ----- | z | 76.31 | d | 63.16 | l | 37.84 | k | 39.45 | 63.11 | e | |
2001 | 38.72 | b | 42.88 | b | 53.47 | a | 62.04 | c | 75.68 | 87.04 | c | 94.04 | d | 92.14 | b | 83.83 | a | 68.08 | g | ----- | z | ----- | z | 69.98 | c | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.00 | 43.33 | 51.12 | 60.67 | 71.50 | 82.44 | 90.42 | 88.17 | 78.40 | 64.97 | 48.87 | 39.19 | 63.05 | |||||||||||||
S.D. | 4.31 | 4.81 | 4.32 | 4.50 | 3.74 | 3.59 | 2.55 | 2.35 | 3.33 | 5.03 | 4.81 | 4.13 | 1.79 | |||||||||||||
SKEW | -0.25 | -0.21 | 0.07 | 0.24 | -0.08 | -0.08 | -0.28 | -0.49 | -0.52 | -0.39 | 0.29 | 0.09 | -0.15 | |||||||||||||
MAX | 46.13 | 51.68 | 59.21 | 70.10 | 79.29 | 89.90 | 94.74 | 92.14 | 83.83 | 73.68 | 59.47 | 49.13 | 65.99 | |||||||||||||
MIN | 28.06 | 31.81 | 42.90 | 52.23 | 62.37 | 74.90 | 85.13 | 81.54 | 70.52 | 54.13 | 42.17 | 28.77 | 59.51 | |||||||||||||
YRS | 33 | 34 | 35 | 35 | 37 | 34 | 34 | 30 | 32 | 29 | 28 | 30 | 17 |