YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.26 | 65.03 | 59.32 | 33.10 | 18.31 | b | 48.60 | g | ||||
1951 | 19.97 | b | 24.00 | 29.87 | 45.03 | 68.10 | 69.17 | 74.97 | 70.55 | 61.87 | 54.68 | 29.33 | 22.67 | a | 47.52 | |||||||||||
1952 | 23.26 | h | 30.00 | 31.32 | 54.03 | 63.84 | 73.97 | 76.48 | 72.90 | a | 68.10 | 50.26 | 41.60 | 28.94 | 53.77 | a | ||||||||||
1953 | 24.03 | 23.93 | 34.68 | 44.67 | 66.81 | 72.87 | 73.23 | 74.61 | 65.57 | 63.39 | 44.10 | 27.76 | b | 51.30 | ||||||||||||
1954 | 20.03 | 35.14 | 33.42 | 55.13 | 59.13 | 76.80 | 77.35 | 73.90 | 63.33 | 54.06 | 41.63 | 27.55 | 51.46 | |||||||||||||
1955 | 20.97 | 24.44 | a | 35.23 | 60.97 | 72.97 | 73.63 | 83.94 | 80.06 | 67.73 | 58.03 | 33.50 | 21.90 | 52.78 | ||||||||||||
1956 | 25.61 | 27.10 | 34.68 | 49.03 | 66.97 | 77.97 | 73.90 | 73.97 | 63.83 | 64.10 | 38.30 | 28.74 | 52.02 | |||||||||||||
1957 | 15.65 | 28.43 | 38.00 | 55.10 | 68.29 | 75.30 | 81.00 | 76.13 | 64.53 | 55.39 | 36.70 | 27.65 | 51.85 | |||||||||||||
1958 | 25.68 | 22.96 | a | 38.42 | 55.90 | 68.39 | 70.77 | 76.94 | 76.70 | a | 66.50 | 56.19 | 40.40 | 19.52 | 51.53 | |||||||||||
1959 | 15.97 | 23.96 | 38.00 | 52.80 | 72.39 | 77.17 | 78.45 | 77.87 | 67.80 | 49.55 | 29.63 | 31.94 | 51.29 | |||||||||||||
1960 | 24.23 | a | 26.36 | a | 31.68 | 52.23 | 64.90 | a | 73.07 | 77.84 | 76.48 | 66.17 | 55.87 | 41.63 | 24.00 | 51.21 | ||||||||||
1961 | 21.87 | 33.50 | 39.71 | 48.50 | 66.55 | 77.07 | 76.65 | 76.39 | 65.67 | 58.35 | 37.77 | 24.63 | a | 52.22 | ||||||||||||
1962 | 16.16 | 21.57 | 38.42 | 50.53 | 69.58 | 74.73 | 75.58 | 76.00 | 61.67 | 56.77 | 38.77 | 23.97 | 50.31 | |||||||||||||
1963 | 10.87 | 19.64 | 40.68 | 56.93 | 64.87 | 78.67 | 81.84 | 73.61 | 67.00 | 67.45 | 44.27 | 19.16 | 52.08 | |||||||||||||
1964 | 27.74 | 29.86 | 34.97 | 53.83 | 71.81 | 75.47 | 80.19 | 70.42 | 63.10 | 54.10 | 41.90 | 21.39 | 52.06 | |||||||||||||
1965 | 18.42 | 23.11 | 29.58 | 47.63 | 70.42 | 73.37 | 75.35 | 72.19 | 58.83 | 55.42 | 37.63 | 29.35 | 49.28 | |||||||||||||
1966 | 16.42 | 25.21 | 37.65 | 46.23 | 61.16 | 78.43 | 83.26 | 72.13 | 64.70 | 54.29 | 35.80 | 24.42 | 49.98 | |||||||||||||
1967 | 23.39 | 19.39 | 37.55 | 51.90 | 61.10 | 74.63 | 76.10 | 71.16 | 69.00 | t | 52.00 | 33.53 | 26.13 | 47.90 | a | |||||||||||
1968 | 21.32 | 22.48 | 44.87 | 56.13 | 63.26 | 72.41 | a | 76.65 | 74.90 | 64.80 | 57.10 | 37.60 | 24.26 | 51.32 | ||||||||||||
1969 | 21.00 | 29.39 | 34.74 | 54.87 | 68.39 | 63.77 | 76.41 | b | 79.62 | b | 65.43 | b | 49.35 | 37.97 | 25.71 | 50.55 | ||||||||||
1970 | 15.90 | b | 25.21 | 34.45 | 53.53 | 64.11 | c | 77.89 | b | 81.77 | a | 77.55 | b | 65.61 | b | 56.71 | 36.33 | 24.81 | 51.16 | |||||||
1971 | 14.68 | 24.96 | 34.03 | 51.93 | 64.53 | a | 78.90 | a | 75.03 | 74.48 | 67.63 | 59.65 | 36.67 | 26.03 | 50.71 | |||||||||||
1972 | 18.55 | 21.41 | 33.35 | 45.73 | 71.27 | a | 72.47 | 72.97 | 72.32 | 62.00 | 47.03 | 33.57 | 18.52 | 47.43 | ||||||||||||
1973 | 22.77 | a | 25.75 | 42.42 | 46.30 | 56.74 | 72.13 | 75.35 | 73.03 | 62.80 | 59.06 | 35.37 | 23.06 | 49.57 | ||||||||||||
1974 | 18.10 | 22.75 | 33.26 | 49.57 | 59.71 | 67.80 | 77.32 | 71.16 | 58.03 | 51.84 | 39.00 | 28.45 | 48.08 | |||||||||||||
1975 | 22.23 | 24.11 | 31.58 | 44.30 | 69.10 | 69.23 | 76.52 | 73.32 | 58.83 | 57.10 | 43.53 | 23.77 | 49.47 | |||||||||||||
1976 | 16.77 | 29.97 | 33.10 | 52.83 | 62.03 | 75.63 | 77.97 | 74.10 | 64.17 | 48.26 | 29.83 | 15.55 | 48.35 | |||||||||||||
1977 | 9.68 | 25.50 | 39.74 | 55.90 | 75.03 | 69.57 | 77.45 | 68.03 | 61.40 | 53.16 | 36.93 | 21.90 | 49.52 | |||||||||||||
1978 | 16.87 | 20.79 | 35.19 | 46.57 | 67.03 | 69.97 | 71.06 | 72.42 | 65.87 | 50.71 | 36.73 | 19.68 | 47.74 | |||||||||||||
1979 | 10.29 | 17.54 | 34.10 | 45.67 | 57.74 | 70.40 | 75.00 | 69.39 | 65.23 | 47.80 | a | 34.53 | 29.13 | 46.40 | ||||||||||||
1980 | 19.90 | 21.59 | 31.26 | 51.27 | 69.84 | 69.27 | ----- | z | 71.42 | 61.23 | 47.32 | 38.00 | 21.26 | 45.67 | a | |||||||||||
1981 | 21.71 | 27.21 | 37.81 | 52.53 | 63.52 | 69.73 | 74.00 | 72.90 | 61.87 | 48.23 | 42.47 | 24.65 | 49.72 | |||||||||||||
1982 | 11.65 | e | 23.11 | 32.94 | 45.80 | 69.30 | a | 66.73 | 75.81 | 69.63 | a | 60.17 | 53.77 | 36.10 | 28.74 | 47.81 | ||||||||||
1983 | 23.58 | 30.32 | 35.74 | 44.67 | 58.48 | 72.77 | 79.16 | 76.30 | a | 64.97 | 52.94 | 38.79 | a | 12.77 | 49.21 | |||||||||||
1984 | 17.35 | 33.71 | a | 30.10 | 53.40 | 61.16 | 72.50 | 74.29 | 73.13 | 60.47 | 55.00 | 36.77 | 24.90 | a | 49.40 | |||||||||||
1985 | 18.13 | 21.68 | 40.33 | a | 52.87 | 67.03 | 67.83 | 73.61 | 69.10 | 62.47 | ----- | z | ----- | z | ----- | z | 52.56 | c | ||||||||
1986 | ----- | z | ----- | z | 38.29 | 55.97 | 68.48 | 71.50 | 75.06 | 67.71 | 61.97 | 52.42 | 35.46 | b | 27.59 | d | 55.45 | b | ||||||||
1987 | 27.03 | b | 36.59 | a | 42.80 | u | 61.38 | a | 67.77 | 76.21 | b | 77.35 | 72.58 | 66.74 | c | ----- | z | ----- | z | ----- | z | 60.71 | d | |||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.81 | d | 71.48 | c | 49.68 | f | 38.92 | d | 27.59 | b | 54.70 | h |
1989 | 32.16 | 23.12 | b | 36.90 | 53.23 | 69.50 | e | 75.59 | c | 84.85 | d | 80.46 | e | 72.13 | 61.22 | d | 34.35 | d | 18.14 | b | 53.47 | |||||
1990 | 34.71 | 33.67 | a | 44.77 | 59.36 | h | 67.20 | f | 76.61 | b | 78.76 | b | 77.84 | 71.04 | d | 55.74 | 45.30 | 27.37 | a | 54.58 | b | |||||
1991 | 22.35 | 33.86 | 41.35 | 59.90 | a | 71.10 | b | 81.40 | 77.77 | a | 80.41 | b | 66.00 | 55.39 | 36.00 | d | 29.12 | e | 54.55 | |||||||
1992 | 26.87 | 32.72 | 39.67 | a | 49.67 | 73.32 | 74.45 | a | 73.04 | c | 74.74 | 66.03 | a | 54.89 | c | 35.57 | b | 27.24 | b | 52.35 | ||||||
1993 | 25.81 | 28.12 | b | 43.30 | a | 51.30 | c | 66.45 | b | 71.45 | a | 77.21 | b | 77.13 | 61.90 | 55.43 | c | 35.00 | 26.68 | 51.65 | ||||||
1994 | 13.10 | 23.35 | b | 42.16 | 55.71 | b | 71.06 | 78.07 | 75.74 | 73.13 | 69.31 | a | 58.83 | a | 43.07 | 33.63 | a | 53.10 | ||||||||
1995 | 24.70 | a | 27.50 | b | 43.20 | a | 48.34 | a | 68.37 | a | 82.86 | a | 80.75 | c | 78.43 | a | 66.97 | 54.74 | 29.50 | 23.06 | 52.37 | |||||
1996 | 20.03 | a | 27.11 | a | 34.10 | 50.32 | e | 63.60 | f | 74.52 | a | 74.06 | 77.53 | a | 65.96 | b | 56.07 | a | 32.93 | 27.08 | e | 49.06 | a | |||
1997 | 21.84 | f | 30.21 | 37.60 | a | 54.03 | a | 61.33 | a | 78.13 | 76.75 | c | 71.93 | c | 67.45 | a | 56.39 | 34.90 | a | 31.65 | 54.58 | a | ||||
1998 | 26.74 | 39.44 | a | 40.74 | 62.86 | a | 77.27 | a | 74.82 | b | 81.42 | 80.70 | a | 75.52 | a | 58.10 | 39.30 | g | 32.23 | a | 59.08 | a | ||||
1999 | 20.90 | 34.93 | a | 43.65 | 60.79 | b | 71.58 | 77.24 | a | 83.16 | 75.10 | 67.59 | a | 54.63 | a | 46.64 | b | 29.82 | c | 55.50 | ||||||
2000 | 23.90 | a | 35.63 | b | 48.77 | a | 54.85 | c | 70.20 | a | 73.43 | b | 77.66 | b | 77.42 | 67.10 | a | 60.50 | a | 37.45 | a | 17.68 | i | 56.99 | a | |
2001 | 27.14 | i | 23.89 | 38.86 | c | 57.14 | a | 69.97 | 75.36 | b | 81.10 | 79.54 | c | 66.21 | a | 53.17 | b | 48.89 | c | 29.79 | c | 56.72 | a | |||
2002 | 30.83 | g | 32.91 | f | 31.08 | e | 48.08 | e | 56.45 | i | 73.72 | a | 79.68 | f | 74.79 | c | 65.96 | e | 47.00 | d | 35.41 | a | 28.32 | f | 53.72 | e |
2003 | 18.96 | g | 22.00 | d | 38.78 | d | 51.60 | e | 65.14 | b | 71.96 | d | 76.65 | 77.43 | c | 66.34 | a | 53.70 | a | 36.57 | b | 29.29 | c | 53.59 | a | |
2004 | 15.37 | a | 29.64 | d | 37.74 | h | 54.04 | b | 62.17 | h | 69.95 | j | 76.35 | n | 69.07 | p | 73.94 | m | ----- | z | ----- | z | ----- | z | 33.01 | i |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 20.45 | 26.82 | 36.98 | 52.18 | 66.88 | 73.83 | 77.30 | 74.50 | 65.10 | 54.95 | 37.56 | 25.23 | 50.69 | |||||||||||||
S.D. | 5.42 | 5.08 | 4.42 | 4.70 | 4.66 | 3.80 | 3.11 | 3.53 | 3.41 | 4.41 | 4.34 | 4.46 | 2.04 | |||||||||||||
SKEW | 0.17 | 0.53 | 0.38 | 0.18 | -0.26 | -0.16 | 0.58 | -0.02 | 0.37 | 0.27 | 0.36 | -0.57 | -0.01 | |||||||||||||
MAX | 34.71 | 39.44 | 48.77 | 62.86 | 77.27 | 82.86 | 84.85 | 80.81 | 75.52 | 67.45 | 48.89 | 33.63 | 55.50 | |||||||||||||
MIN | 9.68 | 17.54 | 29.58 | 44.30 | 56.74 | 63.77 | 71.06 | 67.26 | 58.03 | 47.00 | 29.33 | 12.77 | 46.40 | |||||||||||||
YRS | 47 | 51 | 51 | 52 | 49 | 52 | 50 | 54 | 53 | 51 | 51 | 50 | 38 |