YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.55 | 58.98 | a | 39.87 | d | 37.61 | 51.25 | h | ||
1957 | 31.29 | 42.79 | 41.38 | b | 47.55 | 56.77 | 67.32 | 76.23 | 74.35 | 64.20 | 54.00 | 38.22 | 40.81 | 52.91 | ||||||||||||
1958 | 33.63 | 35.91 | 31.47 | 47.55 | 63.82 | 71.55 | 72.98 | 75.00 | 68.17 | 55.11 | 44.02 | 36.19 | 52.95 | |||||||||||||
1959 | 30.06 | 35.57 | 41.03 | 50.43 | 61.63 | 71.92 | 72.97 | 73.77 | 63.45 | 51.06 | 39.91 | a | 36.13 | 52.33 | ||||||||||||
1960 | 29.29 | 25.66 | 39.26 | 53.95 | 60.08 | a | 72.08 | 73.89 | 75.50 | 66.28 | 54.61 | 43.23 | 32.32 | 52.18 | ||||||||||||
1961 | 33.13 | 36.45 | 40.97 | 49.00 | 61.34 | 70.28 | 72.69 | 72.77 | 62.48 | 54.37 | 36.26 | a | 31.61 | 51.78 | ||||||||||||
1962 | 27.21 | 38.38 | 39.32 | 52.35 | 63.55 | 67.18 | 73.10 | 75.85 | 65.97 | 58.24 | 43.88 | 37.87 | 53.58 | |||||||||||||
1963 | 23.56 | 38.61 | 43.94 | 55.65 | 65.04 | f | 72.75 | 78.87 | a | 74.66 | 69.22 | 62.15 | 45.62 | 29.81 | 54.07 | a | ||||||||||
1964 | 34.15 | 28.17 | 37.84 | 50.12 | 62.39 | 69.70 | 77.66 | 73.42 | 65.45 | 55.56 | 42.63 | 33.81 | 52.57 | |||||||||||||
1965 | 37.40 | 33.64 | 32.42 | 54.63 | 61.84 | 67.47 | 74.58 | 70.76 | 61.72 | 55.74 | 47.30 | 38.42 | 52.99 | |||||||||||||
1966 | 25.81 | 31.05 | 45.84 | 51.64 | a | 62.24 | 71.75 | 77.69 | 70.47 | 65.77 | 54.10 | 45.40 | 31.92 | 52.81 | ||||||||||||
1967 | 36.16 | 36.79 | 48.24 | 56.42 | 57.76 | 67.95 | 73.06 | 70.06 | 64.28 | 56.74 | 41.78 | 29.98 | 53.27 | |||||||||||||
1968 | 34.13 | 35.66 | 43.08 | 49.48 | 57.63 | 71.53 | 73.44 | 71.71 | 65.55 | 57.66 | 40.48 | 30.40 | 52.56 | |||||||||||||
1969 | 37.31 | 37.25 | 31.79 | 54.12 | 61.40 | 65.97 | 76.61 | 74.58 | 67.23 | 47.11 | 41.63 | 34.79 | 52.48 | |||||||||||||
1970 | 31.39 | 39.61 | 35.21 | 48.80 | 62.90 | 69.38 | 75.77 | 74.90 | 64.78 | 48.56 | 42.97 | 36.45 | 52.56 | |||||||||||||
1971 | 33.70 | a | 33.95 | 43.23 | 50.15 | 57.84 | 72.75 | 73.87 | 70.69 | 62.88 | 53.50 | 42.65 | 34.74 | 52.50 | ||||||||||||
1972 | 32.97 | 39.24 | 49.02 | 54.02 | a | 59.47 | 70.42 | 73.13 | 71.11 | 65.65 | 54.08 | 33.45 | 29.40 | 52.66 | ||||||||||||
1973 | 29.74 | 36.73 | 40.84 | 44.88 | 57.68 | 69.28 | 73.15 | 74.77 | 62.28 | 56.84 | 44.65 | 33.52 | a | 52.03 | ||||||||||||
1974 | 28.97 | 38.66 | 46.95 | 51.81 | a | 63.94 | 70.57 | 76.23 | 69.58 | 61.55 | 57.63 | a | 42.47 | 32.21 | 53.38 | |||||||||||
1975 | 33.44 | 32.59 | 41.47 | 49.35 | 58.50 | 68.57 | 73.52 | 74.50 | 64.18 | 57.13 | 39.10 | 37.84 | 52.51 | |||||||||||||
1976 | 33.42 | 41.55 | 42.92 | 52.78 | 57.58 | 69.42 | 73.68 | 71.95 | 64.62 | 49.19 | 38.67 | 35.02 | 52.57 | |||||||||||||
1977 | 28.31 | 38.16 | 41.39 | 53.17 | a | 62.58 | 72.67 | 76.53 | 74.08 | 68.73 | 57.16 | 43.75 | 38.29 | 54.57 | ||||||||||||
1978 | 25.56 | 27.48 | 44.74 | 54.40 | 57.95 | 70.64 | a | 78.63 | 72.95 | 66.88 | 56.47 | 41.63 | 29.19 | 52.21 | ||||||||||||
1979 | 21.40 | 35.89 | 43.53 | 52.13 | 57.29 | 68.88 | 74.56 | 71.92 | 68.02 | 57.69 | 35.42 | 37.15 | 51.99 | |||||||||||||
1980 | 28.32 | 36.09 | 39.02 | 47.52 | 56.63 | 73.25 | 79.53 | 75.42 | 67.50 | 53.84 | 42.78 | 40.24 | 53.34 | |||||||||||||
1981 | 37.16 | 38.18 | 44.42 | 58.15 | 58.73 | 75.03 | 75.52 | 70.95 | 67.32 | 54.68 | 47.00 | 36.42 | 55.30 | |||||||||||||
1982 | 33.40 | 31.89 | 43.47 | 51.45 | 59.98 | 66.85 | 74.89 | 75.08 | 67.43 | 53.44 | 40.71 | a | 34.63 | 52.77 | ||||||||||||
1983 | 33.82 | 36.70 | 41.06 | 45.48 | 56.56 | 68.43 | a | 78.05 | 77.92 | 71.22 | 57.27 | a | 43.41 | a | 22.27 | 52.68 | ||||||||||
1984 | 28.84 | 36.59 | 40.05 | 48.19 | c | 62.31 | 71.00 | 75.79 | 75.05 | 65.72 | 50.56 | 43.87 | 37.76 | 52.98 | ||||||||||||
1985 | 29.07 | a | 33.29 | 43.76 | b | 55.60 | 63.02 | a | 71.98 | 76.42 | 74.98 | 65.07 | 54.74 | 39.05 | 31.28 | a | 53.19 | |||||||||
1986 | 42.50 | 38.55 | 50.56 | 55.62 | b | 62.02 | 71.00 | 76.56 | 74.26 | 65.73 | 52.73 | a | 41.12 | 32.55 | 55.27 | |||||||||||
1987 | 32.79 | 38.59 | 40.15 | a | 52.47 | 62.21 | 71.53 | 77.89 | 74.08 | 65.57 | 56.48 | 42.02 | 32.79 | 53.88 | ||||||||||||
1988 | 27.89 | 36.71 | a | 42.50 | 52.62 | 61.40 | 73.86 | a | 77.35 | 77.21 | 66.13 | 56.52 | 45.28 | 35.98 | a | 54.46 | ||||||||||
1989 | 37.34 | 27.56 | a | 49.26 | 56.13 | 64.52 | 67.35 | 75.61 | 74.55 | 65.30 | 56.65 | 46.20 | 30.58 | 54.25 | ||||||||||||
1990 | 34.87 | 34.38 | 43.88 | a | 54.30 | 60.39 | 77.88 | 74.69 | 73.85 | 70.18 | 56.85 | a | 46.83 | 29.24 | 54.78 | |||||||||||
1991 | 29.65 | 42.66 | 45.21 | 53.10 | 66.48 | 74.43 | 75.47 | 74.32 | 66.62 | 56.02 | 37.08 | 35.26 | 54.69 | |||||||||||||
1992 | 35.63 | 41.21 | 47.18 | 57.68 | 63.92 | a | 68.03 | 74.61 | 71.65 | 68.20 | b | 57.71 | 34.93 | a | 32.59 | b | 54.44 | |||||||||
1993 | 31.25 | c | 35.44 | a | 44.22 | d | 53.14 | b | 61.48 | 71.62 | 78.55 | 75.55 | a | 64.97 | a | 53.91 | b | 38.83 | a | 36.68 | 53.80 | |||||
1994 | 33.15 | 35.05 | 48.13 | 54.97 | a | 64.00 | 77.62 | 76.68 | 74.42 | 65.67 | 54.62 | a | 41.71 | a | 37.48 | 55.29 | ||||||||||
1995 | 34.71 | 40.66 | 43.18 | 48.43 | 56.18 | a | 66.50 | 73.60 | 78.13 | 65.75 | 54.61 | 46.17 | 34.52 | 53.54 | ||||||||||||
1996 | 30.73 | 38.03 | 40.29 | 53.23 | 66.50 | 71.37 | 74.52 | 72.48 | 63.70 | 54.89 | 41.62 | a | 35.17 | a | 53.54 | |||||||||||
1997 | 31.81 | 34.20 | 47.56 | 45.20 | 61.18 | 70.30 | 76.94 | 72.48 | b | 69.35 | 53.37 | 37.88 | 28.32 | 52.38 | ||||||||||||
1998 | 35.27 | a | 37.43 | 38.66 | 48.70 | 57.50 | u | 74.39 | k | 76.21 | g | ----- | z | 70.40 | o | 59.94 | m | 51.14 | p | 36.59 | d | 39.33 | g | |||
1999 | 37.11 | d | 44.35 | a | 42.93 | c | 48.06 | e | 57.28 | b | 71.16 | h | 76.64 | f | 75.62 | f | 63.14 | b | 53.00 | i | 48.28 | g | 37.13 | d | 47.14 | e |
2000 | 35.71 | g | 42.43 | 42.41 | b | 51.10 | f | 65.25 | e | 70.42 | d | 76.13 | ----- | z | 67.61 | b | 56.88 | k | 34.46 | f | 30.24 | l | 60.71 | f | ||
2001 | 29.73 | a | 33.04 | c | 41.46 | f | 54.50 | b | 60.23 | a | 71.06 | f | 79.27 | i | 75.33 | b | 67.96 | g | 56.31 | j | 45.78 | c | 37.33 | e | 47.99 | e |
2002 | 32.94 | d | 34.44 | b | 41.22 | f | 54.59 | a | 62.57 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.14 | h |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.00 | 36.24 | 42.36 | 51.86 | 60.89 | 70.68 | 75.51 | 73.74 | 65.91 | 55.06 | 41.80 | 34.23 | 53.25 | |||||||||||||
S.D. | 4.05 | 4.10 | 4.35 | 3.37 | 2.82 | 2.73 | 1.91 | 2.05 | 2.24 | 2.85 | 3.43 | 3.66 | 0.98 | |||||||||||||
SKEW | -0.20 | -0.52 | -0.59 | -0.28 | 0.01 | 0.57 | 0.26 | -0.12 | 0.12 | -0.63 | -0.46 | -0.76 | 0.69 | |||||||||||||
MAX | 42.50 | 44.35 | 50.56 | 58.15 | 66.50 | 77.88 | 79.53 | 78.13 | 71.22 | 62.15 | 47.30 | 40.81 | 55.30 | |||||||||||||
MIN | 21.40 | 25.66 | 31.47 | 44.88 | 56.18 | 65.97 | 72.69 | 69.58 | 61.55 | 47.11 | 33.45 | 22.27 | 51.78 | |||||||||||||
YRS | 45 | 46 | 44 | 45 | 44 | 42 | 42 | 42 | 44 | 42 | 43 | 45 | 40 |