YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.42 | s | ----- | z |
1962 | 39.52 | 43.75 | 48.13 | 67.23 | 63.94 | 78.77 | 86.81 | 83.47 | a | 82.27 | 64.71 | 50.57 | 44.00 | 62.76 | ||||||||||||
1963 | 39.77 | 52.61 | 52.47 | a | 54.07 | 71.39 | 74.90 | 81.97 | 85.42 | 83.00 | a | 67.58 | 49.57 | 40.29 | 62.75 | |||||||||||
1964 | 38.65 | 45.10 | 47.58 | 58.67 | 69.27 | a | 73.77 | 86.42 | 84.34 | b | 78.54 | f | 74.28 | b | 46.28 | a | 39.68 | 60.37 | a | |||||||
1965 | 38.74 | 47.61 | 53.57 | a | 60.97 | a | 67.00 | 76.13 | 85.45 | 82.74 | 73.03 | 72.90 | a | 50.50 | 38.42 | 62.26 | ||||||||||
1966 | 38.39 | 41.18 | 53.77 | 64.57 | 75.90 | 74.59 | a | 84.71 | 87.26 | 79.37 | 66.48 | 54.70 | 42.10 | b | 63.58 | |||||||||||
1967 | 41.40 | a | 49.18 | 47.71 | 49.43 | 70.74 | 78.34 | a | 91.00 | a | 93.23 | 86.07 | 65.27 | a | 51.23 | 38.19 | 63.48 | |||||||||
1968 | 41.30 | a | 50.52 | 56.45 | 60.90 | 68.39 | 78.87 | 90.90 | 78.94 | 78.40 | 65.90 | a | 47.93 | 38.60 | a | 63.09 | ||||||||||
1969 | 36.16 | 38.75 | 51.35 | 60.53 | 71.65 | 76.47 | 85.79 | b | 87.00 | a | 77.93 | a | 59.48 | 55.67 | 42.13 | 61.91 | ||||||||||
1970 | 40.19 | 51.14 | 50.30 | a | 52.53 | 70.06 | 78.93 | 89.06 | 90.81 | 74.17 | 64.45 | 49.03 | 36.74 | 62.29 | ||||||||||||
1971 | 40.45 | 45.25 | 47.00 | 58.20 | 68.65 | 72.31 | a | 88.26 | 91.94 | 74.83 | 61.61 | 47.93 | 35.13 | 60.96 | ||||||||||||
1972 | 34.68 | 44.69 | 56.87 | 55.87 | 71.90 | 79.72 | a | 88.81 | 89.57 | a | 73.97 | a | 64.68 | 46.33 | 31.74 | 61.57 | ||||||||||
1973 | 37.48 | 46.14 | 50.03 | 59.67 | 71.68 | 80.33 | 90.55 | 87.94 | 79.10 | a | 63.93 | a | 43.97 | 41.74 | 62.71 | |||||||||||
1974 | 36.93 | a | 45.25 | 50.57 | a | 58.10 | a | 66.10 | 84.23 | 86.87 | a | 86.06 | 84.50 | 68.90 | 50.33 | 40.35 | 63.18 | |||||||||
1975 | 38.35 | 42.07 | 47.19 | 51.43 | 68.61 | 75.33 | 87.74 | 81.13 | 83.33 | 60.45 | 48.21 | a | 41.61 | 60.46 | ||||||||||||
1976 | 38.55 | 42.83 | 47.19 | 57.37 | 72.21 | c | 73.50 | 88.29 | 77.68 | 79.63 | 68.39 | 56.60 | 45.03 | 62.27 | ||||||||||||
1977 | 34.97 | 53.00 | a | 48.94 | 67.70 | 60.03 | 82.17 | 86.35 | 88.10 | 72.50 | 66.16 | 47.45 | a | 41.26 | 62.39 | |||||||||||
1978 | 42.13 | 46.36 | 58.32 | 55.53 | 63.93 | a | 76.03 | 85.33 | a | 83.29 | 72.77 | 73.39 | 44.30 | 34.06 | 61.29 | |||||||||||
1979 | 28.06 | 40.25 | 54.19 | 57.70 | 70.29 | 80.57 | 88.48 | 83.65 | 83.07 | 66.47 | a | 45.73 | 42.97 | 61.79 | ||||||||||||
1980 | 38.58 | 46.69 | 49.39 | 62.97 | 66.84 | 71.13 | 87.23 | 82.19 | 78.70 | 68.06 | 49.83 | a | 45.60 | a | 62.27 | |||||||||||
1981 | 44.32 | 45.71 | 53.65 | 60.17 | 65.97 | 75.90 | 85.63 | a | 91.52 | 79.33 | 61.74 | 50.30 | 41.26 | 62.96 | ||||||||||||
1982 | 34.20 | a | 41.48 | a | 48.65 | 56.52 | a | 67.40 | a | 77.18 | b | 82.42 | 86.42 | 72.54 | b | 61.93 | a | 44.47 | 37.61 | 59.23 | ||||||
1983 | 43.19 | 46.82 | 50.77 | 55.38 | a | 68.71 | 74.07 | 81.47 | a | 86.65 | 77.00 | a | 66.77 | 47.45 | a | 30.65 | 60.74 | |||||||||
1984 | 32.65 | 40.72 | 52.00 | 54.90 | 65.63 | a | 72.33 | 90.26 | 88.06 | 75.37 | c | 56.13 | a | 45.13 | 34.30 | a | 58.96 | |||||||||
1985 | 30.03 | a | 38.71 | 47.52 | 65.29 | b | 70.77 | 80.10 | a | 91.97 | a | 83.64 | c | 69.30 | c | 64.53 | a | 37.77 | 29.86 | c | 59.12 | |||||
1986 | 42.37 | a | 46.04 | 58.57 | a | 59.39 | b | 70.30 | a | 83.10 | a | 82.17 | b | 90.52 | 68.23 | 67.35 | 48.45 | a | 39.68 | 63.01 | ||||||
1987 | 36.43 | a | 45.89 | 51.65 | 68.83 | a | 70.47 | a | 80.96 | b | 79.90 | 84.37 | a | 83.13 | 73.84 | 49.29 | b | 39.50 | a | 63.69 | ||||||
1988 | 36.53 | a | 51.03 | 55.52 | 64.03 | 67.63 | a | 76.67 | 89.87 | 87.48 | 79.69 | a | 76.23 | 44.67 | 39.29 | 64.05 | ||||||||||
1989 | 36.10 | b | 34.46 | 49.45 | 64.57 | 64.97 | a | 78.83 | a | 86.71 | 81.90 | 78.53 | 63.20 | a | 51.66 | a | 46.00 | b | 61.37 | |||||||
1990 | 43.50 | a | 45.79 | d | 56.48 | 68.61 | b | 67.17 | a | 76.64 | b | 90.13 | a | 85.77 | 85.25 | b | 66.57 | a | 51.71 | b | 37.11 | c | 64.56 | |||
1991 | 42.70 | a | 53.89 | 49.20 | a | 56.43 | 62.31 | b | 71.69 | a | 87.97 | a | 88.61 | 85.45 | a | 66.00 | 46.79 | a | 43.00 | b | 62.84 | |||||
1992 | 41.93 | a | 52.43 | a | 59.14 | b | 62.50 | f | 78.03 | b | 82.72 | a | 83.11 | d | 88.07 | a | 79.10 | 68.66 | b | 45.45 | a | 36.75 | c | 65.04 | a | |
1993 | 29.67 | a | 32.25 | 48.20 | a | 57.11 | b | 72.32 | c | 74.54 | d | 74.42 | 80.61 | 80.43 | 65.14 | b | 47.83 | a | 42.57 | c | 58.76 | |||||
1994 | 45.93 | b | 44.30 | a | 59.38 | b | 62.40 | 69.25 | c | 77.67 | 91.23 | a | 89.19 | d | 81.70 | 64.81 | 41.41 | a | 41.29 | x | 66.11 | a | ||||
1995 | 44.12 | e | 55.24 | c | 51.00 | b | 58.44 | c | 66.97 | b | 74.19 | c | 83.58 | 84.13 | 81.03 | 64.79 | b | 53.52 | c | 42.32 | f | 65.18 | a | |||
1996 | 40.52 | b | 46.93 | a | 55.03 | b | 60.54 | d | 63.45 | b | 77.82 | b | 92.57 | a | 88.07 | a | 75.00 | 64.07 | c | 51.90 | a | 40.42 | e | 63.03 | ||
1997 | 42.26 | d | 45.00 | d | 55.31 | b | 59.38 | a | 74.17 | a | 75.00 | b | 84.86 | c | 86.60 | a | 77.76 | e | 63.23 | a | 53.95 | j | 39.20 | k | 66.36 | b |
1998 | 44.30 | d | 44.88 | c | 53.23 | a | 59.48 | c | 61.93 | c | 73.73 | d | 88.76 | b | 89.28 | b | 82.07 | c | 64.32 | 47.63 | 40.53 | a | 62.51 | |||
1999 | 43.84 | 42.54 | 49.69 | b | 57.93 | a | 65.38 | b | 75.07 | a | 86.60 | a | 85.45 | 81.07 | a | 70.70 | d | ----- | z | 43.75 | k | 65.83 | b | |||
2000 | 41.85 | e | 47.56 | b | 52.89 | c | 65.81 | c | 68.11 | d | 80.57 | 86.96 | c | 87.87 | a | 76.19 | d | 63.52 | b | 41.92 | d | 40.92 | g | 64.84 | a | |
2001 | 39.08 | e | 43.65 | b | 58.48 | f | 57.19 | c | 76.52 | b | 76.82 | b | 86.96 | d | 89.39 | c | 81.31 | d | 67.93 | c | 50.96 | e | 37.69 | b | 64.32 | a |
2002 | 40.07 | b | 47.05 | g | 52.29 | g | 62.63 | c | 68.00 | b | 83.38 | d | 93.15 | k | 83.89 | d | 79.52 | g | 65.11 | d | 54.62 | d | 44.30 | d | 62.75 | d |
2003 | ----- | z | 45.83 | e | 56.28 | f | 53.65 | d | 68.38 | e | 82.00 | b | 93.07 | a | 88.03 | b | 81.32 | b | 71.30 | d | 45.68 | b | 41.30 | d | 67.06 | b |
2004 | 38.11 | d | 42.88 | c | 61.26 | d | 62.86 | a | 65.48 | 78.69 | a | 89.24 | f | 86.97 | b | 75.54 | b | 66.04 | d | 50.33 | f | 43.50 | e | 62.13 | b | |
2005 | 38.89 | d | 50.17 | e | 56.37 | d | 57.96 | b | 67.37 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.15 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.00 | 45.50 | 52.34 | 59.60 | 68.53 | 77.34 | 86.85 | 86.21 | 78.61 | 66.21 | 48.37 | 39.60 | 62.06 | |||||||||||||
S.D. | 4.07 | 4.82 | 3.93 | 4.59 | 3.80 | 3.40 | 3.72 | 3.45 | 4.37 | 4.05 | 3.96 | 3.95 | 1.49 | |||||||||||||
SKEW | -0.77 | -0.33 | 0.46 | 0.15 | 0.25 | 0.19 | -0.91 | -0.34 | -0.40 | 0.37 | -0.17 | -0.70 | -0.80 | |||||||||||||
MAX | 45.93 | 55.24 | 61.26 | 68.83 | 78.03 | 84.23 | 93.07 | 93.23 | 86.07 | 76.23 | 56.60 | 46.00 | 64.56 | |||||||||||||
MIN | 28.06 | 32.25 | 47.00 | 49.43 | 60.03 | 71.13 | 74.42 | 77.68 | 68.23 | 56.13 | 37.77 | 29.86 | 58.76 | |||||||||||||
YRS | 43 | 43 | 41 | 43 | 44 | 43 | 41 | 43 | 41 | 43 | 40 | 38 | 32 |