YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.75 | b | 29.39 | 36.57 | j | |
1963 | 13.87 | 25.11 | 46.13 | 61.27 | 68.10 | 82.63 | 85.90 | 81.68 | 74.30 | 71.45 | 48.70 | 18.90 | 56.50 | |||||||||||||
1964 | 29.90 | 34.71 | a | 37.48 | 59.33 | 74.42 | 80.93 | 88.84 | 80.26 | 70.10 | 60.10 | a | 43.50 | 21.48 | 56.76 | |||||||||||
1965 | 19.90 | 23.07 | 29.00 | 51.80 | 70.74 | 77.40 | 81.97 | 80.87 | 60.43 | 62.45 | 40.73 | 33.00 | 52.61 | |||||||||||||
1966 | 13.10 | 26.75 | 45.52 | 51.80 | 68.13 | a | 80.73 | 87.42 | 78.48 | 71.90 | 59.58 | 38.50 | 25.97 | 53.99 | ||||||||||||
1967 | 24.65 | 21.14 | 39.81 | 55.90 | 65.26 | 77.03 | 80.97 | 80.03 | 74.23 | 58.84 | 40.17 | 30.35 | 54.03 | |||||||||||||
1968 | 23.77 | 25.72 | 51.90 | 61.10 | 65.26 | 77.83 | 82.03 | 81.61 | 72.27 | 61.90 | 40.67 | 25.33 | a | 55.78 | ||||||||||||
1969 | 17.77 | 27.71 | 34.97 | 60.40 | 73.39 | 72.17 | 83.06 | 87.23 | 75.00 | 55.81 | 41.00 | 28.00 | 54.71 | |||||||||||||
1970 | 15.65 | 28.32 | 35.52 | 56.87 | 70.23 | 81.40 | 86.42 | 83.00 | 72.00 | 58.26 | 37.80 | 25.97 | 54.29 | |||||||||||||
1971 | 16.29 | 26.79 | 37.16 | 61.33 | 68.87 | 82.90 | 80.52 | 81.35 | 74.57 | 63.26 | 39.93 | 26.23 | 54.93 | |||||||||||||
1972 | 17.26 | 22.17 | 36.29 | 53.50 | 74.06 | 79.73 | 79.61 | 79.19 | 69.83 | 54.45 | 38.50 | 20.90 | 52.13 | |||||||||||||
1973 | 27.16 | 30.89 | 48.13 | 56.17 | 67.13 | 81.27 | 83.19 | 83.16 | 69.77 | 64.94 | 43.20 | 24.94 | 56.66 | |||||||||||||
1974 | 22.87 | 28.21 | 38.23 | 59.37 | 66.10 | 78.27 | 89.03 | 79.29 | 70.53 | 62.58 | 41.53 | 32.00 | 55.67 | |||||||||||||
1975 | 24.16 | 26.18 | 33.23 | 47.73 | 73.45 | 78.10 | 87.70 | a | 81.84 | 68.87 | 65.13 | 47.17 | 26.03 | 54.97 | ||||||||||||
1976 | 21.90 | 37.17 | 42.45 | 64.57 | 72.42 | 84.00 | 89.74 | 86.68 | 76.87 | 57.29 | 38.30 | 22.10 | 57.79 | |||||||||||||
1977 | 12.61 | 33.04 | 47.03 | 67.03 | 80.68 | 79.63 | 85.61 | 78.94 | 70.60 | 60.00 | 40.57 | 23.23 | 56.58 | |||||||||||||
1978 | 18.29 | 23.89 | 41.71 | 55.57 | 73.74 | 78.90 | 80.71 | 82.71 | 78.69 | a | 62.39 | 40.90 | 22.81 | 55.03 | ||||||||||||
1979 | 11.48 | 20.07 | 35.65 | 52.73 | 65.52 | 77.63 | 82.16 | 77.77 | 75.17 | 58.52 | 39.83 | 33.81 | 52.53 | |||||||||||||
1980 | 23.45 | 25.90 | 36.90 | 62.87 | 76.06 | 79.57 | 86.23 | 81.19 | 70.57 | 56.45 | 46.33 | 28.52 | 56.17 | |||||||||||||
1981 | 29.71 | 33.43 | 50.23 | a | 60.33 | 68.97 | 77.33 | 81.84 | 78.81 | 71.37 | 55.90 | a | 47.17 | 25.52 | 56.72 | |||||||||||
1982 | 12.65 | 25.11 | 36.72 | b | 54.03 | 72.71 | 75.10 | a | 85.39 | 81.74 | 70.47 | 59.93 | a | 38.17 | ----- | z | 55.64 | a | ||||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | 21.00 | e | 35.77 | c | 34.76 | b | 57.57 | b | 67.46 | c | 80.52 | e | 83.96 | d | 83.92 | g | ----- | z | 59.80 | a | 41.62 | f | 27.96 | e | 52.09 | c |
1985 | 22.12 | f | 26.22 | a | 45.33 | d | 63.40 | e | 75.62 | g | 75.83 | a | 84.21 | c | 76.68 | c | 70.44 | c | 60.85 | d | 33.73 | 18.77 | a | 55.55 | b | |
1986 | 28.16 | 26.61 | 45.42 | 63.20 | 74.97 | 82.04 | b | 85.48 | 79.86 | c | 69.83 | a | 58.00 | g | 36.14 | a | 29.77 | 56.50 | a | |||||||
1987 | 28.45 | 40.26 | a | 48.81 | d | 66.29 | f | 74.76 | f | 83.13 | g | 84.04 | f | 76.41 | i | 72.22 | g | 52.44 | d | 44.04 | e | 29.93 | a | 40.66 | f | |
1988 | 17.85 | d | 22.24 | 42.16 | 61.37 | 79.13 | 87.44 | e | 90.03 | 83.29 | 71.69 | a | 54.29 | 38.66 | a | 27.20 | a | 56.28 | ||||||||
1989 | 29.68 | 19.00 | 33.74 | 56.43 | 70.39 | 77.10 | 84.65 | 79.77 | 70.53 | 61.84 | 35.00 | 17.23 | 52.95 | |||||||||||||
1990 | 33.94 | 32.61 | 44.52 | 58.80 | 67.65 | 78.77 | 79.37 | a | 78.90 | 73.57 | 58.23 | 45.33 | 24.55 | 56.35 | ||||||||||||
1991 | 20.68 | 33.46 | 42.97 | 60.93 | 69.68 | 80.17 | 78.29 | 79.39 | 67.30 | 57.19 | 30.00 | 27.48 | 53.96 | |||||||||||||
1992 | 28.23 | 33.14 | 41.35 | 52.00 | 72.71 | 75.73 | 74.29 | 74.45 | 70.23 | 57.03 | 34.07 | 26.77 | 53.33 | |||||||||||||
1993 | 22.71 | 24.43 | 38.97 | 55.10 | 67.06 | 72.13 | 76.65 | 77.45 | 62.87 | 56.53 | a | 35.67 | 26.26 | 51.32 | ||||||||||||
1994 | 11.26 | 21.04 | 42.61 | 58.20 | 73.06 | 78.67 | ----- | z | 74.94 | 71.20 | 59.00 | 45.21 | a | 30.16 | 51.39 | a | ||||||||||
1995 | 22.29 | 26.00 | 42.23 | 51.13 | 67.29 | 79.30 | 79.90 | 81.03 | 69.03 | 55.65 | 31.93 | 23.23 | 52.42 | |||||||||||||
1996 | 16.68 | 25.14 | 32.77 | a | 51.27 | 65.58 | 75.77 | 76.90 | 79.58 | 69.93 | a | 59.68 | 30.87 | 19.97 | 50.34 | |||||||||||
1997 | 17.26 | 27.96 | 37.19 | 54.63 | 65.71 | 80.28 | a | 77.63 | a | 75.65 | 71.40 | 59.81 | 34.03 | 31.39 | 52.75 | |||||||||||
1998 | 26.41 | b | 38.07 | 39.65 | 62.67 | 77.37 | a | 73.03 | 80.10 | 79.77 | 76.53 | 59.06 | 43.37 | 32.77 | 57.40 | |||||||||||
1999 | 18.90 | 34.96 | 43.74 | 58.20 | 70.45 | 74.97 | 83.35 | 76.06 | 69.67 | 59.29 | 50.20 | 32.81 | 56.05 | |||||||||||||
2000 | 23.97 | 35.07 | 49.90 | 56.70 | 70.73 | a | 73.53 | 79.45 | 80.61 | 72.10 | 62.48 | 36.57 | 13.94 | 54.59 | ||||||||||||
2001 | 28.39 | 21.32 | 36.90 | 58.33 | 69.52 | 76.50 | 83.23 | 80.26 | 68.33 | 56.94 | 52.50 | 33.03 | 55.44 | |||||||||||||
2002 | 30.71 | 36.04 | 32.03 | 54.34 | a | 65.26 | 78.27 | 81.87 | 76.74 | 71.60 | 48.19 | 38.83 | 33.13 | a | 53.92 | |||||||||||
2003 | 23.06 | 24.39 | 40.80 | a | 58.67 | 67.77 | 75.03 | 79.07 | a | 81.84 | 70.00 | 59.81 | 37.90 | 30.87 | 54.10 | |||||||||||
2004 | 17.94 | 28.93 | 43.23 | a | 62.77 | 65.65 | 74.00 | 77.81 | 73.61 | 75.33 | 57.19 | 44.40 | 28.26 | 54.09 | ||||||||||||
2005 | 21.65 | 33.00 | a | 41.61 | 63.20 | 64.39 | 79.53 | 82.42 | 79.58 | 74.07 | 60.61 | 43.70 | ----- | z | 58.52 | a | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.60 | 28.36 | 40.59 | 57.87 | 70.18 | 78.32 | 82.68 | 79.88 | 71.33 | 59.15 | 40.44 | 26.58 | 54.66 | |||||||||||||
S.D. | 5.91 | 5.49 | 5.45 | 4.39 | 4.11 | 3.27 | 3.86 | 2.90 | 3.38 | 3.83 | 5.14 | 4.82 | 1.81 | |||||||||||||
SKEW | 0.04 | 0.32 | 0.11 | -0.17 | 0.65 | 0.23 | 0.07 | 0.13 | -0.70 | 0.23 | 0.11 | -0.54 | -0.36 | |||||||||||||
MAX | 33.94 | 40.26 | 51.90 | 67.03 | 80.68 | 87.44 | 90.03 | 87.23 | 78.69 | 71.45 | 52.50 | 33.81 | 57.79 | |||||||||||||
MIN | 11.26 | 19.00 | 29.00 | 47.73 | 64.39 | 72.13 | 74.29 | 73.61 | 60.43 | 48.19 | 30.00 | 13.94 | 50.34 | |||||||||||||
YRS | 41 | 42 | 42 | 41 | 40 | 41 | 40 | 40 | 40 | 41 | 42 | 41 | 35 |