YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | 46.82 | b | 62.30 | a | 71.05 | a | 73.25 | a | 76.29 | 64.77 | d | 50.83 | e | 36.22 | a | 31.57 | j | 60.19 | ||
1959 | 26.32 | c | 27.48 | 39.50 | d | 50.00 | a | 59.05 | a | 71.62 | a | 75.40 | a | 72.87 | 61.42 | 49.14 | b | 34.44 | c | 24.95 | c | 49.35 | ||||
1960 | 10.52 | d | 11.36 | a | 36.42 | 49.10 | f | 58.46 | c | 70.12 | 76.53 | b | 72.17 | b | 65.18 | b | 48.94 | f | 34.81 | i | 22.13 | e | 46.99 | |||
1961 | 21.55 | a | 32.21 | d | 38.69 | 47.64 | e | 58.90 | b | 70.54 | f | 74.27 | i | 74.21 | e | 54.06 | l | ----- | z | 30.40 | a | 17.73 | 40.17 | |||
1962 | 9.71 | 24.91 | 31.50 | 51.95 | a | 56.58 | 66.83 | 72.69 | 71.69 | 63.72 | 53.02 | f | 38.55 | 24.81 | 46.63 | |||||||||||
1963 | 14.73 | 35.59 | 37.90 | 47.32 | 62.15 | 67.50 | 75.69 | 73.52 | 65.58 | 55.58 | 38.17 | 20.31 | 49.50 | |||||||||||||
1964 | 19.95 | 25.76 | 32.55 | 47.78 | 59.32 | a | 64.22 | 77.89 | 71.42 | 62.45 | 51.73 | 27.70 | 16.24 | 46.42 | ||||||||||||
1965 | 14.76 | 18.61 | 29.21 | 49.47 | 56.05 | 64.20 | 73.45 | 70.21 | 55.33 | 51.31 | 42.08 | 24.34 | 45.75 | |||||||||||||
1966 | 17.55 | 23.34 | 38.84 | 48.63 | 60.61 | 67.13 | 76.53 | 72.18 | 64.12 | 47.84 | 39.17 | 11.82 | 47.31 | |||||||||||||
1967 | 10.71 | 17.98 | 40.34 | 48.00 | 55.97 | 64.37 | 75.32 | 73.89 | 63.88 | 49.84 | 36.53 | 13.63 | 45.87 | |||||||||||||
1968 | 6.60 | 24.43 | 40.94 | 43.52 | 56.31 | 68.18 | 73.87 | 66.97 | 58.72 | 47.90 | 34.43 | 17.74 | 44.97 | |||||||||||||
1969 | 21.82 | 22.75 | 29.90 | 51.40 | 63.73 | 66.35 | 75.00 | 75.39 | 65.02 | b | 42.75 | c | 34.69 | a | 25.50 | 47.86 | ||||||||||
1970 | 16.10 | 33.80 | 37.94 | f | 42.91 | a | 59.23 | a | 66.83 | 73.24 | 73.60 | 58.67 | 44.63 | d | 37.25 | b | 23.79 | 48.19 | ||||||||
1971 | 22.70 | a | 29.52 | d | 38.17 | a | 47.54 | b | 56.23 | 68.33 | 74.98 | 73.94 | ----- | z | 44.98 | d | 27.17 | a | 17.02 | a | 45.51 | |||||
1972 | 24.88 | c | 31.07 | 44.32 | 48.39 | b | 61.20 | f | 70.82 | b | 75.26 | 72.53 | a | 55.50 | z | ----- | z | ----- | z | ----- | z | 52.47 | ||||
1973 | 2.22 | a | 14.30 | 34.18 | 45.30 | 57.56 | 65.00 | 71.40 | a | 71.24 | 59.43 | 49.77 | 33.62 | 21.03 | 43.76 | |||||||||||
1974 | 7.08 | 12.14 | 42.29 | 46.87 | 60.95 | 70.67 | 75.65 | 70.98 | 62.03 | 52.48 | 37.52 | 22.69 | 46.78 | |||||||||||||
1975 | 18.39 | 24.34 | 39.06 | 44.47 | 54.69 | 63.23 | 75.82 | 69.87 | 62.27 | 48.00 | 32.38 | 17.29 | 45.82 | |||||||||||||
1976 | 14.23 | 25.07 | 35.45 | 48.43 | 59.76 | 65.03 | 76.79 | 71.26 | 63.80 | 46.60 | a | 34.52 | 23.48 | 47.04 | ||||||||||||
1977 | 21.58 | 32.54 | 36.71 | 52.22 | 57.66 | 73.75 | 75.71 | 73.05 | 64.28 | 50.77 | 35.67 | 29.42 | 50.28 | |||||||||||||
1978 | 22.73 | 22.86 | 41.08 | 50.20 | 54.61 | 66.62 | 75.61 | 71.23 | 61.20 | 51.53 | 30.98 | 9.67 | j | 49.88 | ||||||||||||
1979 | 2.74 | 13.48 | 33.61 | 48.63 | 57.98 | 68.52 | f | 74.40 | 71.69 | 65.78 | 52.08 | 29.93 | 22.97 | 43.03 | ||||||||||||
1980 | 23.56 | 24.79 | 37.90 | 48.68 | 56.29 | 67.42 | 75.37 | 70.47 | 62.50 | 49.05 | 35.83 | 32.79 | 48.72 | |||||||||||||
1981 | 29.81 | 33.25 | 41.48 | 54.55 | 58.32 | 71.37 | 75.97 | 73.39 | 66.55 | 49.03 | 37.97 | 29.44 | 51.76 | |||||||||||||
1982 | 15.79 | 23.91 | 40.32 | 44.77 | 57.79 | 64.32 | 72.85 | 75.42 | 62.62 | 46.77 | 33.50 | 23.26 | 46.78 | |||||||||||||
1983 | 21.45 | 27.36 | 41.32 | 43.65 | 54.16 | 65.62 | 73.05 | 75.39 | 64.57 | 51.18 | 34.12 | 16.94 | 47.40 | |||||||||||||
1984 | 4.81 | 10.97 | 32.32 | 45.18 | 60.68 | 64.67 | 75.45 | 72.71 | 62.25 | 46.18 | ----- | z | 18.76 | 44.91 | ||||||||||||
1985 | 8.56 | 9.91 | 33.18 | 52.15 | 59.76 | 69.53 | 74.85 | 72.42 | 59.35 | 49.85 | 35.02 | 16.35 | 45.08 | |||||||||||||
1986 | 15.53 | 34.16 | 45.98 | 49.28 | 57.21 | 71.62 | 73.02 | 73.08 | 59.57 | 49.18 | 37.30 | 27.37 | 49.44 | |||||||||||||
1987 | 21.76 | 33.23 | 37.74 | 52.12 | 60.42 | 69.83 | 72.71 | 70.39 | 62.72 | 51.85 | 36.57 | 22.94 | 49.36 | |||||||||||||
1988 | 8.95 | 20.62 | 38.03 | 51.03 | 59.18 | 73.07 | 77.40 | 72.68 | 61.75 | 54.85 | 36.70 | 20.81 | 47.92 | |||||||||||||
1989 | 8.24 | 14.79 | 41.87 | 54.40 | 61.18 | 68.40 | 78.19 | 71.89 | 63.52 | 51.27 | 37.73 | 26.32 | 48.15 | |||||||||||||
1990 | 26.19 | 24.64 | 43.27 | 54.63 | 59.79 | 70.30 | 76.45 | 72.47 | 68.65 | 50.50 | 36.32 | 12.50 | 49.64 | |||||||||||||
1991 | 9.69 | 24.11 | 40.29 | 48.37 | 59.61 | 68.47 | 74.56 | 73.37 | 64.03 | 51.08 | 35.35 | 22.69 | 47.64 | |||||||||||||
1992 | 14.79 | 31.33 | 44.13 | 55.85 | 63.69 | 69.48 | 71.03 | 73.66 | 64.42 | 54.08 | 34.27 | 17.95 | 49.56 | |||||||||||||
1993 | 14.60 | 20.43 | 36.24 | 49.67 | 60.45 | 66.75 | 70.73 | 70.63 | 61.58 | 49.44 | 31.17 | 26.71 | 46.53 | |||||||||||||
1994 | 29.32 | 29.05 | 44.81 | 52.03 | 63.26 | 72.88 | 77.24 | 75.45 | 64.05 | 49.73 | 32.80 | 28.97 | 51.63 | |||||||||||||
1995 | 28.73 | 37.77 | 44.24 | 48.97 | 54.97 | 65.60 | 72.16 | 75.03 | 65.52 | 48.71 | 39.43 | 29.87 | 50.92 | |||||||||||||
1996 | 24.05 | 30.48 | 41.56 | 50.48 | 58.48 | 69.95 | 75.77 | 72.50 | 60.55 | 48.81 | 37.60 | 28.26 | 49.88 | |||||||||||||
1997 | 21.26 | 22.77 | 39.44 | 45.57 | 59.81 | 68.98 | 73.42 | 72.77 | 64.52 | 49.66 | 35.88 | 23.03 | 48.09 | |||||||||||||
1998 | 30.84 | 35.38 | 40.34 | 50.24 | k | 59.66 | 64.65 | 78.47 | 74.47 | 66.95 | 51.52 | 38.95 | 20.18 | 51.04 | ||||||||||||
1999 | 26.13 | a | 32.52 | b | 43.31 | d | 47.12 | 56.13 | 66.50 | 74.34 | 71.68 | 59.15 | 47.74 | 37.65 | t | 17.67 | z | 52.46 | ||||||||
2000 | 22.50 | 24.90 | 37.23 | 48.05 | b | ----- | z | 65.52 | 71.83 | a | 72.94 | 57.62 | 47.47 | b | 28.00 | p | 28.02 | d | 47.61 | |||||||
2001 | 25.35 | a | 33.65 | b | 44.59 | c | 50.12 | a | 62.72 | h | 72.57 | c | 77.50 | a | 74.91 | c | 66.50 | d | 50.36 | f | 39.24 | m | 16.07 | p | 55.65 | |
2002 | 15.47 | l | 23.19 | l | 37.90 | k | 52.47 | 60.21 | 73.25 | n | 79.32 | 73.35 | 63.05 | 47.19 | m | 33.00 | m | 21.62 | n | 65.68 | ||||||
2003 | 20.96 | q | 27.50 | k | 42.06 | g | 49.04 | e | 59.85 | 67.60 | 79.65 | 75.50 | 62.68 | 53.76 | h | 30.41 | g | 25.48 | h | 65.72 | ||||||
2004 | 14.00 | n | 23.40 | i | 44.39 | 53.58 | e | 63.35 | d | 71.17 | 75.76 | 71.92 | 64.12 | 51.73 | 37.82 | 28.34 | 56.22 | |||||||||
2005 | 30.71 | 34.50 | 41.92 | 50.10 | 60.35 | e | 66.17 | 77.40 | 72.85 | 63.07 | 53.08 | 37.73 | 25.74 | 51.14 | ||||||||||||
2006 | 28.06 | 31.39 | 38.58 | l | 54.53 | n | 62.79 | 74.82 | p | 77.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.75 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 18.17 | 25.54 | 39.01 | 49.12 | 59.03 | 68.10 | 75.09 | 72.74 | 62.88 | 49.77 | 35.34 | 22.54 | 48.07 | |||||||||||||
S.D. | 8.00 | 7.50 | 4.24 | 3.11 | 2.51 | 2.82 | 2.14 | 1.79 | 2.68 | 2.67 | 3.20 | 5.11 | 2.06 | |||||||||||||
SKEW | -0.26 | -0.48 | -0.52 | 0.07 | -0.01 | 0.20 | -0.03 | -0.37 | -0.54 | -0.28 | -0.67 | -0.20 | -0.02 | |||||||||||||
MAX | 30.84 | 37.77 | 45.98 | 55.85 | 63.73 | 73.75 | 79.65 | 76.29 | 68.65 | 55.58 | 42.08 | 32.79 | 51.76 | |||||||||||||
MIN | 2.22 | 9.91 | 29.21 | 42.91 | 54.16 | 63.23 | 70.73 | 66.97 | 55.33 | 42.75 | 27.17 | 11.82 | 43.76 | |||||||||||||
NO YRS | 45 | 45 | 44 | 46 | 46 | 45 | 47 | 48 | 45 | 41 | 40 | 41 | 31 |