YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.32 | 79.68 | 76.00 | 59.77 | a | 42.93 | 32.32 | 62.17 | f | |||||
1949 | 30.55 | 30.07 | 37.48 | 57.17 | a | 69.23 | a | 80.13 | 81.65 | 79.65 | 68.17 | 64.03 | 42.20 | 31.87 | a | 56.02 | ||||||||||
1950 | 26.71 | 27.18 | 34.48 | 42.57 | 65.29 | 75.63 | 77.97 | 73.61 | 68.07 | 62.06 | 37.83 | 25.00 | 51.37 | |||||||||||||
1951 | 24.77 | 29.04 | 36.30 | a | 51.37 | 70.16 | 72.00 | a | 78.10 | 72.39 | 66.40 | 56.23 | 35.43 | b | 27.84 | 51.67 | ||||||||||
1952 | 26.84 | 32.59 | 35.42 | 60.24 | a | 66.68 | 76.77 | 80.32 | 76.19 | 72.41 | a | 55.33 | a | 45.23 | 33.52 | 55.13 | ||||||||||
1953 | 29.52 | 29.82 | 39.10 | 49.13 | 66.35 | 75.33 | 80.52 | 80.06 | 70.83 | 65.84 | 49.00 | 32.03 | 55.63 | |||||||||||||
1954 | 24.90 | 37.14 | 35.87 | 55.40 | 60.03 | 77.07 | 79.16 | 76.61 | 64.62 | a | 56.71 | 43.77 | 31.03 | 53.53 | ||||||||||||
1955 | 25.29 | 28.57 | 35.84 | 60.87 | 70.19 | 76.17 | 85.84 | 83.48 | 71.73 | 59.65 | 37.07 | 25.55 | 55.02 | |||||||||||||
1956 | 29.29 | 30.07 | a | 34.90 | a | 48.87 | 65.30 | a | 76.60 | 74.13 | 75.32 | 64.57 | 64.68 | 41.03 | a | 30.68 | 52.95 | |||||||||
1957 | 19.19 | 31.32 | 38.74 | 53.97 | 63.94 | 74.48 | a | 80.55 | 76.94 | 67.63 | 57.29 | 40.76 | a | 32.03 | 53.07 | |||||||||||
1958 | 28.45 | 26.14 | 40.00 | 56.03 | 66.60 | a | 71.63 | 77.84 | 79.19 | 69.28 | a | 58.68 | 45.13 | 24.19 | 53.60 | |||||||||||
1959 | 19.97 | 25.29 | 37.90 | 53.40 | 70.61 | 77.17 | 80.74 | 80.42 | 70.37 | 51.97 | 34.10 | 35.10 | 53.09 | |||||||||||||
1960 | 27.10 | 29.62 | 32.48 | 53.40 | 63.29 | 74.50 | 80.10 | 79.84 | 70.33 | 58.35 | 45.17 | 26.74 | 53.41 | |||||||||||||
1961 | 24.42 | 34.71 | 40.16 | 50.87 | 65.42 | 77.03 | 78.74 | 79.81 | 71.03 | 57.77 | 41.77 | 27.03 | 54.06 | |||||||||||||
1962 | 20.65 | 23.82 | 37.77 | 53.07 | 69.65 | 75.33 | 76.26 | 77.61 | 66.53 | 59.48 | 41.17 | 29.13 | a | 52.54 | ||||||||||||
1963 | 14.97 | 22.00 | 40.87 | a | 58.37 | 64.58 | 79.43 | 81.87 | 76.55 | 69.97 | 69.13 | a | 47.77 | 24.19 | 54.14 | |||||||||||
1964 | 30.97 | 31.83 | 37.42 | 54.13 | 72.26 | 77.37 | 83.03 | 74.06 | 66.83 | 57.84 | 45.70 | 27.00 | 54.87 | |||||||||||||
1965 | 23.97 | 26.32 | 32.55 | 50.20 | 69.74 | 74.43 | 78.74 | 77.77 | 65.13 | 59.32 | 42.13 | 34.94 | 52.94 | |||||||||||||
1966 | 22.06 | 30.07 | 41.97 | a | 50.70 | 62.77 | 78.90 | 85.71 | 76.55 | 71.63 | 57.45 | 40.03 | 30.03 | 53.99 | ||||||||||||
1967 | 29.58 | 22.89 | a | 38.84 | 54.50 | 62.16 | 76.10 | 78.60 | a | 76.45 | 70.77 | 56.23 | 38.07 | 30.58 | 52.90 | |||||||||||
1968 | 23.94 | 28.41 | 46.52 | 56.10 | 63.84 | 73.80 | 79.68 | 79.16 | 70.57 | 60.03 | 41.47 | 29.90 | a | 54.45 | ||||||||||||
1969 | 25.77 | 31.43 | 37.35 | 56.37 | 69.00 | 67.90 | 79.13 | 84.16 | 70.17 | 53.71 | 42.03 | 30.39 | 53.95 | |||||||||||||
1970 | 20.52 | 29.25 | 37.45 | 56.13 | 64.35 | 78.90 | 83.61 | 80.74 | 69.17 | 59.23 | 41.13 | 29.16 | 54.14 | |||||||||||||
1971 | 20.55 | 27.86 | 35.71 | 54.53 | 65.19 | 81.27 | 77.71 | 76.48 | 70.50 | 62.65 | 41.97 | 31.10 | 53.79 | |||||||||||||
1972 | 23.97 | 24.93 | 34.90 | 48.53 | 72.06 | 76.00 | 78.26 | 78.32 | 68.07 | 54.55 | 39.77 | 25.16 | 52.04 | |||||||||||||
1973 | 30.10 | 30.29 | 47.32 | 52.23 | 61.35 | 76.83 | 80.65 | 79.90 | 70.10 | 63.65 | 41.50 | 27.90 | 55.15 | |||||||||||||
1974 | 25.61 | 27.71 | 37.77 | 57.43 | 64.16 | 73.43 | 81.58 | 77.13 | 64.83 | 57.23 | 42.97 | 33.81 | 53.64 | |||||||||||||
1975 | 28.03 | 29.39 | 35.84 | 49.03 | 73.23 | 76.30 | 83.26 | 80.19 | 66.37 | 61.32 | 48.97 | 29.48 | 55.12 | |||||||||||||
1976 | 23.19 | 35.48 | 38.65 | 58.30 | 64.84 | 80.90 | 84.65 | 80.74 | 72.43 | 55.52 | 36.60 | 21.90 | 54.43 | |||||||||||||
1977 | 17.87 | 30.25 | 44.48 | 60.13 | 76.97 | 74.77 | 83.45 | 75.87 | 66.57 | 58.77 | 41.83 | 26.87 | 54.82 | |||||||||||||
1978 | 23.00 | 26.32 | 39.10 | 50.60 | 70.35 | 76.27 | 77.32 | 79.19 | 71.03 | 56.97 | 42.00 | 26.03 | 53.18 | |||||||||||||
1979 | 16.68 | 21.39 | 37.45 | 50.00 | 63.43 | a | 75.37 | 82.32 | 76.10 | 70.60 | 52.81 | 39.43 | 34.84 | 51.70 | ||||||||||||
1980 | 25.13 | 26.21 | 35.87 | 56.30 | 72.71 | 75.87 | 82.10 | 77.68 | 67.63 | 52.39 | 41.77 | 26.35 | 53.33 | |||||||||||||
1981 | 25.68 | 30.64 | 45.19 | 54.33 | 66.90 | 76.00 | 81.10 | 78.16 | 67.90 | 53.58 | 47.33 | 30.84 | 54.81 | |||||||||||||
1982 | 20.16 | 29.39 | 38.39 | 51.86 | a | 73.19 | 72.00 | 81.07 | c | 75.71 | 67.67 | 60.55 | 41.70 | 34.29 | 53.83 | |||||||||||
1983 | 29.23 | 35.18 | 38.61 | 51.17 | 61.23 | 77.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.88 | f | ||||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.40 | a | 66.67 | 58.71 | 43.43 | 29.52 | 55.75 | g | ||||
1985 | 23.48 | 25.93 | 43.29 | 55.87 | 69.84 | 71.83 | 79.06 | 74.94 | 67.77 | 57.84 | 36.57 | 20.39 | 52.23 | |||||||||||||
1986 | 26.10 | 27.75 | 40.23 | 58.23 | 70.00 | 74.20 | 80.97 | 74.52 | 67.80 | 56.71 | 38.20 | 30.87 | 53.80 | |||||||||||||
1987 | 30.23 | 36.00 | 45.10 | 59.87 | 68.58 | 81.65 | d | 83.95 | i | 77.68 | 71.53 | 51.84 | 43.83 | 33.35 | 54.51 | a | ||||||||||
1988 | 22.45 | 24.79 | 38.42 | 54.83 | 73.97 | b | 82.90 | 83.52 | 79.94 | 69.63 | 51.97 | 41.73 | 29.61 | 54.48 | ||||||||||||
1989 | 30.10 | 23.57 | 35.00 | a | 52.86 | h | 66.32 | 72.30 | 82.13 | 78.77 | 70.93 | 59.81 | 37.17 | 18.87 | 52.27 | a | ||||||||||
1990 | 34.00 | 30.00 | 42.29 | 57.87 | 62.68 | 73.74 | g | 78.13 | 76.65 | 70.20 | 55.84 | 46.80 | 30.00 | b | 53.13 | a | ||||||||||
1991 | 21.94 | 32.21 | 40.58 | 56.50 | 69.48 | 79.50 | 78.65 | 81.68 | 66.73 | 55.65 | 37.90 | 31.23 | 54.34 | |||||||||||||
1992 | 27.48 | 31.62 | 37.90 | 47.87 | 67.58 | 73.37 | 73.16 | 75.32 | 66.03 | 56.03 | 37.40 | 30.00 | 51.98 | |||||||||||||
1993 | 25.94 | 28.21 | 41.03 | 48.93 | 64.45 | 71.73 | 78.10 | 78.10 | 64.63 | 53.48 | 38.41 | a | 29.10 | 51.84 | ||||||||||||
1994 | 15.74 | 22.50 | 41.13 | 55.00 | 67.87 | 78.07 | a | 77.23 | 74.19 | 70.87 | 59.71 | 45.97 | 35.06 | 53.61 | ||||||||||||
1995 | 27.45 | 27.25 | 41.58 | 46.57 | 64.90 | 80.90 | 79.81 | 79.87 | a | 68.67 | 56.74 | 33.87 | 25.90 | 52.79 | ||||||||||||
1996 | 24.26 | 25.90 | 31.87 | 46.83 | 61.45 | 72.90 | 75.45 | 78.39 | 69.70 | 57.39 | 36.60 | 27.19 | 50.66 | |||||||||||||
1997 | 23.10 | 31.11 | 36.29 | 52.67 | 57.71 | 78.30 | 78.06 | 74.16 | 70.10 | 57.42 | 39.27 | 34.55 | 52.73 | |||||||||||||
1998 | 27.63 | a | 37.71 | 40.23 | 58.33 | 74.52 | 74.83 | 81.26 | 80.58 | 75.23 | ----- | z | ----- | z | 35.13 | 58.55 | b | |||||||||
1999 | 22.54 | c | 32.96 | 42.10 | 56.52 | a | 68.74 | 78.73 | 83.90 | k | 77.20 | f | 71.31 | d | 56.33 | a | 51.11 | c | 30.74 | 51.11 | b | |||||
2000 | 25.81 | e | 33.89 | b | 48.23 | a | 52.81 | c | 68.77 | a | 74.60 | 79.35 | 79.87 | 70.90 | 64.00 | 42.41 | a | 23.58 | 55.35 | |||||||
2001 | 32.53 | a | 29.11 | 40.32 | 58.60 | 69.65 | 75.00 | 81.45 | 83.19 | 68.87 | 58.84 | 51.30 | 37.65 | 57.21 | ||||||||||||
2002 | 34.06 | 35.82 | 35.23 | 52.59 | a | 60.23 | 76.30 | 85.19 | 79.26 | 72.57 | 52.81 | 41.13 | 32.94 | 54.84 | ||||||||||||
2003 | 24.48 | 24.00 | g | 39.81 | 52.73 | 66.68 | 75.63 | 81.13 | 81.61 | 70.67 | 58.00 | 40.77 | 36.50 | c | 57.09 | a | ||||||||||
2004 | 21.42 | 32.38 | 40.74 | 55.90 | 63.10 | 73.00 | 78.56 | d | 74.77 | 76.73 | 58.94 | 47.37 | 30.55 | 54.45 | ||||||||||||
2005 | 24.40 | a | 35.18 | 39.61 | 60.53 | 63.87 | 82.07 | 85.52 | 85.44 | o | 77.00 | 62.47 | a | 45.20 | 28.55 | 54.94 | a | |||||||||
2006 | 34.80 | a | 29.36 | 43.03 | a | 53.33 | x | 68.26 | d | 78.30 | 85.72 | m | 80.50 | i | 69.00 | b | 54.90 | 45.96 | c | 35.47 | a | 51.01 | c | |||
2007 | 31.03 | 23.93 | a | 44.87 | a | 54.69 | d | 71.55 | 79.93 | 81.55 | 81.87 | a | 74.83 | 64.32 | c | 42.13 | 29.68 | 56.70 | ||||||||
2008 | 28.94 | 27.69 | 39.55 | 56.35 | j | 63.97 | b | 75.38 | a | 80.39 | h | 80.52 | 70.91 | g | 58.83 | y | ----- | z | ----- | z | 52.67 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.40 | 29.27 | 39.10 | 53.95 | 66.97 | 76.22 | 80.30 | 78.21 | 69.56 | 58.11 | 41.92 | 29.75 | 53.78 | |||||||||||||
S.D. | 4.45 | 3.93 | 3.63 | 4.00 | 4.08 | 3.01 | 2.77 | 2.64 | 2.90 | 3.73 | 4.00 | 4.00 | 1.37 | |||||||||||||
SKEW | -0.11 | 0.12 | 0.42 | -0.40 | 0.14 | 0.02 | -0.08 | -0.01 | 0.48 | 0.53 | 0.25 | -0.42 | 0.08 | |||||||||||||
MAX | 34.80 | 37.71 | 48.23 | 60.87 | 76.97 | 82.90 | 85.84 | 84.16 | 77.00 | 69.13 | 51.30 | 37.65 | 57.21 | |||||||||||||
MIN | 14.97 | 21.39 | 31.87 | 42.57 | 57.71 | 67.90 | 73.16 | 72.39 | 64.57 | 51.84 | 33.87 | 18.87 | 50.66 | |||||||||||||
YRS | 59 | 58 | 59 | 56 | 59 | 58 | 55 | 57 | 59 | 58 | 58 | 59 | 49 |