YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.17 | x | 63.10 | 63.52 | 56.87 | 46.57 | a | 33.95 | 18.55 | a | 47.09 | |||||
1949 | 5.27 | 22.04 | 36.26 | 46.85 | 55.63 | 57.98 | 65.11 | 68.58 | 60.57 | 42.81 | 40.10 | 27.11 | 44.03 | |||||||||||||
1950 | 7.31 | 26.98 | 34.92 | 43.38 | 52.19 | 59.58 | 66.47 | 66.34 | 60.05 | 44.65 | 34.95 | 32.84 | 44.14 | |||||||||||||
1951 | 25.73 | 30.36 | 32.48 | a | 46.80 | 53.58 | 58.92 | 67.85 | 65.10 | 58.42 | 44.82 | 34.23 | 20.85 | 44.93 | ||||||||||||
1952 | 20.97 | 28.03 | 35.76 | 48.35 | 54.50 | 58.85 | 67.58 | 63.27 | 58.47 | 49.24 | 30.48 | a | 28.32 | 45.32 | ||||||||||||
1953 | 36.15 | 34.79 | 40.23 | 44.70 | 50.85 | 55.42 | 66.90 | 65.79 | 60.13 | 49.35 | 39.47 | a | 32.74 | 48.04 | ||||||||||||
1954 | 25.24 | 33.41 | 36.58 | 43.38 | 55.69 | 56.73 | 65.69 | 62.74 | 57.95 | 45.50 | 42.13 | 28.47 | 46.13 | |||||||||||||
1955 | 26.32 | 27.38 | 31.92 | 41.07 | 50.19 | 62.00 | 65.15 | a | 66.52 | 59.75 | 46.66 | 27.47 | 25.08 | 44.13 | ||||||||||||
1956 | 28.23 | 28.05 | r | 35.47 | 49.85 | 58.05 | 58.45 | 69.73 | 66.89 | 60.18 | 46.29 | 32.28 | 29.76 | 48.65 | ||||||||||||
1957 | 15.34 | 25.79 | 38.39 | 48.28 | a | 59.05 | 61.98 | 65.63 | 63.34 | 63.10 | 45.44 | 35.00 | 33.65 | 46.25 | ||||||||||||
1958 | 32.34 | 40.91 | 38.92 | 45.35 | 61.29 | 65.18 | 70.92 | 71.65 | 58.03 | 49.23 | 35.38 | 31.15 | 50.03 | |||||||||||||
1959 | 29.13 | 30.77 | 39.53 | 48.00 | 50.60 | 60.45 | 68.65 | 63.42 | 56.43 | 46.05 | 33.00 | 29.53 | 46.30 | |||||||||||||
1960 | 21.90 | 32.02 | 38.95 | 46.15 | 51.40 | 61.33 | 72.18 | 64.00 | 59.97 | 49.58 | 35.92 | 27.24 | 46.72 | |||||||||||||
1961 | 30.19 | 37.48 | 40.52 | 45.48 | 54.05 | 66.90 | 71.21 | 73.06 | 55.42 | 44.60 | 31.67 | 26.23 | 48.07 | |||||||||||||
1962 | 22.23 | 32.50 | 35.52 | 49.82 | 51.45 | 59.57 | 66.35 | 64.61 | 60.73 | 47.11 | 37.98 | 33.55 | 46.79 | |||||||||||||
1963 | 21.45 | 36.98 | 40.40 | 45.55 | 54.37 | 60.78 | 65.05 | 67.95 | 65.17 | 49.98 | 38.20 | 26.90 | 47.73 | |||||||||||||
1964 | 28.05 | 28.22 | 35.16 | 44.83 | 53.15 | 60.30 | 67.56 | 62.73 | 55.87 | 48.42 | 32.95 | 25.03 | 45.19 | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.32 | 65.16 | 51.35 | m | 49.87 | ----- | z | 26.77 | i | 60.12 | ||||
1966 | 27.05 | 32.07 | 38.13 | ----- | z | ----- | z | 55.95 | 62.24 | 62.47 | 58.52 | 45.68 | 37.68 | 32.71 | 45.25 | |||||||||||
1967 | 32.47 | 34.80 | 36.74 | 40.58 | 50.48 | c | 62.17 | 68.00 | 71.02 | 64.12 | ----- | z | ----- | z | ----- | z | 51.15 | |||||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | 54.34 | l | 59.33 | 69.76 | 62.87 | 58.33 | 44.90 | 34.62 | 24.27 | 50.58 | ||||||||
1969 | 14.65 | 24.86 | 34.29 | 45.33 | 55.69 | 63.97 | 65.52 | 63.95 | 58.77 | 43.31 | 36.17 | 28.23 | 44.56 | |||||||||||||
1970 | 23.81 | 33.62 | 36.60 | 41.00 | 52.98 | 64.78 | 69.45 | 67.97 | 52.72 | 44.85 | 34.60 | 24.76 | 45.60 | |||||||||||||
1971 | 27.66 | 32.68 | 33.21 | 42.68 | 54.82 | 55.22 | 67.58 | 71.29 | 53.40 | ----- | z | 35.10 | 22.16 | 45.07 | ||||||||||||
1972 | 20.26 | 28.28 | 40.10 | 40.97 | 54.26 | 59.40 | 64.74 | 69.29 | 52.40 | 46.40 | 35.60 | 22.90 | 44.55 | |||||||||||||
1973 | 24.77 | 32.04 | 39.65 | 45.13 | 54.10 | 58.95 | 68.05 | 66.76 | 58.17 | 46.19 | 31.60 | 32.48 | 46.49 | |||||||||||||
1974 | 22.26 | 33.61 | 37.48 | 44.78 | 48.87 | 63.35 | 65.31 | 66.48 | 60.55 | 49.05 | 36.20 | 30.08 | 46.50 | |||||||||||||
1975 | 21.71 | 23.68 | 33.15 | 41.80 | 51.81 | 58.05 | 70.35 | ----- | z | 60.92 | 45.40 | 34.03 | 29.63 | 42.78 | ||||||||||||
1976 | 26.27 | 30.45 | 34.07 | a | 44.40 | 53.06 | 56.47 | a | 66.66 | c | 63.95 | 61.95 | 46.82 | 35.15 | 27.56 | 45.57 | ||||||||||
1977 | 19.48 | 33.68 | 36.70 | a | 49.45 | 48.55 | 63.37 | 64.98 | 71.18 | 53.75 | 45.65 | 31.80 | 25.85 | 45.37 | ||||||||||||
1978 | 25.60 | 31.29 | 39.95 | 44.68 | 50.17 | a | 60.82 | 66.82 | 64.90 | 56.10 | 47.08 | 28.60 | 18.50 | 44.54 | ||||||||||||
1979 | 11.05 | 26.18 | 39.76 | 43.90 | 54.08 | 61.23 | 69.00 | 68.73 | 61.35 | 50.15 | 29.47 | 32.39 | 45.61 | |||||||||||||
1980 | 17.97 | 30.05 | 36.58 | 49.15 | 54.35 | ----- | z | 65.74 | 62.02 | 57.85 | 47.63 | 35.98 | 31.54 | c | 44.44 | |||||||||||
1981 | 32.92 | 32.54 | 41.24 | 44.07 | 51.81 | 54.70 | 64.48 | 70.71 | 58.05 | 44.92 | 37.35 | 26.48 | a | 46.61 | ||||||||||||
1982 | 21.90 | 28.21 | 37.73 | 41.15 | 52.02 | 63.38 | 64.42 | 66.05 | ----- | z | 45.27 | 31.22 | 26.19 | 43.41 | ||||||||||||
1983 | 32.76 | 35.61 | 41.37 | 44.30 | 55.19 | 58.42 | 62.48 | 69.35 | 55.09 | b | 45.27 | 37.57 | 14.47 | a | 45.99 | |||||||||||
1984 | 24.94 | 31.83 | 40.10 | 42.55 | 48.24 | 56.12 | 64.66 | 65.98 | 52.18 | 40.84 | 34.15 | 14.89 | 43.04 | |||||||||||||
1985 | 18.97 | 19.21 | 30.81 | 45.48 | ----- | z | ----- | z | 71.11 | 61.66 | 50.63 | 42.66 | 18.65 | 16.19 | 37.54 | |||||||||||
1986 | 26.00 | 26.50 | 40.72 | a | 43.12 | 53.13 | 63.25 | 61.05 | 70.06 | ----- | z | 47.11 | 33.37 | 23.82 | 44.38 | |||||||||||
1987 | 22.90 | 32.64 | 39.48 | 49.90 | 54.94 | 62.03 | 65.21 | 63.95 | 61.13 | 47.13 | 37.25 | 25.53 | 46.84 | |||||||||||||
1988 | 21.26 | 30.88 | 38.77 | 46.98 | 51.21 | 58.25 | 64.61 | 64.11 | 55.93 | 51.79 | ----- | z | 24.61 | 46.22 | ||||||||||||
1989 | 25.69 | 21.04 | 34.89 | 47.08 | 51.40 | 62.15 | 65.24 | 62.60 | 58.02 | ----- | z | 36.52 | 28.55 | 44.83 | ||||||||||||
1990 | 31.69 | 26.20 | 39.85 | 48.10 | ----- | z | 57.52 | 68.63 | 67.53 | 62.82 | 42.92 | 37.77 | 18.92 | 45.63 | ||||||||||||
1991 | 22.48 | 38.52 | 36.29 | 44.75 | 50.03 | 54.90 | 65.16 | 67.92 | 59.52 | 44.18 | 32.95 | 30.50 | 45.60 | |||||||||||||
1992 | 29.60 | 37.52 | 42.95 | 46.22 | 55.42 | 65.60 | 64.71 | 66.45 | 53.93 | 47.27 | ----- | z | 19.34 | 48.09 | ||||||||||||
1993 | 18.74 | 22.71 | 35.11 | 43.78 | 58.32 | 57.70 | 59.16 | 62.92 | 57.02 | 47.60 | 27.85 | 29.35 | 43.36 | |||||||||||||
1994 | 34.10 | 27.77 | 40.68 | 47.88 | 54.40 | 57.65 | 69.34 | 66.67 | b | 61.32 | 44.77 | 30.02 | 29.00 | 46.97 | ||||||||||||
1995 | 29.60 | 35.38 | 38.29 | 44.05 | 54.89 | 59.15 | 65.77 | 60.58 | 60.68 | 43.58 | 37.58 | 29.39 | 46.58 | |||||||||||||
1996 | 24.42 | 27.18 | a | 36.06 | 45.87 | 47.97 | ----- | z | 67.23 | 66.42 | 53.52 | 44.77 | 32.40 | 20.55 | 42.40 | |||||||||||
1997 | 24.11 | 27.80 | 39.24 | 42.08 | 55.23 | 57.97 | ----- | z | 67.85 | 60.18 | 45.26 | 38.55 | 27.52 | 44.16 | ||||||||||||
1998 | 30.22 | a | 36.75 | 39.02 | 44.98 | 54.39 | 59.95 | 71.87 | 68.37 | 62.77 | 45.24 | 37.43 | 26.50 | 48.12 | ||||||||||||
1999 | 30.08 | 33.16 | 38.24 | 42.80 | 48.06 | 56.97 | a | 62.95 | c | 68.35 | 55.98 | a | 44.74 | 38.82 | 30.48 | 45.89 | ||||||||||
2000 | 25.29 | 31.00 | 38.16 | 47.19 | c | 51.44 | 58.38 | d | 63.23 | 63.31 | 54.03 | a | 44.27 | 25.72 | a | 22.42 | 43.70 | |||||||||
2001 | 24.48 | 24.66 | 36.68 | a | 42.47 | 52.82 | 55.03 | a | 64.40 | 68.05 | c | 59.65 | 43.89 | 39.37 | 25.34 | c | 44.74 | |||||||||
2002 | 28.81 | 30.36 | 34.18 | 44.32 | 49.82 | 59.83 | 67.76 | 63.77 | 56.48 | 40.95 | 35.88 | 32.29 | 45.37 | |||||||||||||
2003 | 32.31 | 32.91 | 39.76 | 44.55 | 51.44 | 61.35 | 67.52 | 66.65 | 59.65 | 49.84 | 28.07 | 27.71 | 46.81 | |||||||||||||
2004 | 24.60 | 28.86 | 42.10 | 47.35 | 52.92 | 61.15 | 68.50 | 68.13 | 55.62 | 47.00 | 35.15 | 30.23 | 46.80 | |||||||||||||
2005 | 25.55 | 32.73 | 40.73 | 45.73 | 54.97 | 57.18 | 66.21 | 65.63 | 54.22 | 46.84 | 32.53 | 21.61 | 45.33 | |||||||||||||
2006 | 33.98 | 30.16 | 37.13 | 45.37 | 54.31 | 60.98 | b | 67.03 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.65 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.79 | 30.49 | 37.62 | 45.16 | 53.09 | 59.76 | 66.50 | 66.15 | 58.08 | 46.13 | 34.22 | 26.46 | 45.86 | |||||||||||||
S.D. | 6.30 | 4.58 | 2.74 | 2.45 | 2.80 | 2.93 | 2.70 | 2.89 | 3.27 | 2.33 | 4.11 | 4.84 | 1.44 | |||||||||||||
SKEW | -0.87 | -0.21 | -0.40 | 0.12 | 0.37 | 0.29 | -0.02 | 0.31 | -0.18 | 0.14 | -1.13 | -0.67 | 0.38 | |||||||||||||
MAX | 36.15 | 40.91 | 42.95 | 49.90 | 61.29 | 66.90 | 72.18 | 73.06 | 65.17 | 51.79 | 42.13 | 33.65 | 50.03 | |||||||||||||
MIN | 5.27 | 19.21 | 30.81 | 40.58 | 47.97 | 54.70 | 59.16 | 60.58 | 50.63 | 40.84 | 18.65 | 14.47 | 43.04 | |||||||||||||
NO YRS | 56 | 55 | 56 | 55 | 53 | 54 | 57 | 57 | 55 | 55 | 54 | 56 | 40 |