YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.21 | x | 63.33 | 50.45 | 41.33 | a | 18.44 | 43.39 | h | |||
1945 | 15.18 | a | 21.00 | 43.35 | 46.48 | 53.13 | 61.97 | 69.16 | 69.65 | 60.77 | b | 47.42 | 33.95 | 16.32 | 44.87 | |||||||||||
1946 | 21.18 | a | 22.85 | a | 41.30 | a | 49.53 | 55.53 | 65.73 | 71.98 | 68.48 | a | 61.35 | 54.15 | 37.64 | b | 25.45 | 47.93 | ||||||||
1947 | 23.24 | 16.73 | 29.84 | 44.02 | a | 52.22 | a | 64.46 | c | 71.47 | 76.97 | 64.66 | a | 60.50 | 30.16 | a | 22.60 | 46.40 | ||||||||
1948 | 12.73 | a | 19.96 | b | 31.21 | 51.02 | 56.43 | a | 66.80 | 73.15 | 72.19 | 66.08 | 49.66 | 39.26 | a | 23.40 | 46.83 | |||||||||
1949 | 20.19 | 20.57 | 32.00 | 46.05 | 59.15 | 70.33 | 73.77 | 70.90 | 57.07 | 54.90 | 36.92 | 24.31 | 47.18 | |||||||||||||
1950 | 19.27 | 19.45 | 25.65 | 39.08 | 56.95 | 66.32 | 68.10 | 64.26 | b | 60.15 | 54.37 | 31.28 | a | 14.23 | 43.26 | |||||||||||
1951 | 13.47 | 18.36 | 27.13 | 44.12 | 60.22 | a | 63.52 | 69.37 | 65.37 | 57.95 | 49.74 | 27.20 | 20.03 | 43.04 | ||||||||||||
1952 | 18.94 | 25.31 | b | 26.92 | 48.75 | 56.26 | 68.98 | 73.06 | 67.95 | 61.50 | a | 43.89 | 37.97 | 26.16 | 46.31 | |||||||||||
1953 | 22.42 | 23.33 | a | 33.31 | 41.65 | 57.29 | 69.35 | 71.71 | 70.73 | 61.97 | 55.18 | 40.31 | a | 26.68 | 47.83 | |||||||||||
1954 | 18.10 | 31.64 | 30.09 | c | 48.21 | b | 51.57 | b | 69.52 | 71.55 | 67.08 | 61.55 | b | 49.50 | 37.13 | 23.15 | 46.59 | |||||||||
1955 | 17.19 | 19.66 | 29.60 | a | 52.08 | 60.78 | f | 64.16 | h | 76.27 | 74.32 | a | 63.52 | a | 52.21 | 30.18 | 18.05 | 43.31 | b | |||||||
1956 | 18.74 | 19.89 | a | 25.72 | b | 42.37 | c | 56.80 | a | 69.22 | a | 67.34 | c | 68.98 | d | 58.57 | 55.47 | b | 35.94 | c | 24.88 | c | 45.33 | |||
1957 | 11.40 | a | 25.62 | c | 32.43 | b | 48.83 | g | 54.82 | c | 67.16 | a | 71.89 | c | 68.07 | p | 57.50 | h | 47.08 | a | 34.35 | d | 26.63 | 41.26 | c | |
1958 | 19.14 | b | 15.20 | a | 32.22 | d | 47.02 | d | 57.62 | b | 62.20 | b | 68.45 | a | 70.44 | 62.05 | 54.20 | i | 37.02 | b | 14.44 | d | 44.16 | a | ||
1959 | 6.65 | n | 14.94 | d | 27.29 | e | 43.94 | e | 61.87 | a | 67.36 | a | 69.48 | c | 73.32 | a | 62.47 | 45.32 | a | 26.66 | b | 29.96 | e | 47.51 | a | |
1960 | 21.48 | a | 20.66 | 20.43 | d | 47.41 | c | 55.02 | c | 63.69 | i | 68.45 | b | 70.10 | k | 62.58 | e | 50.32 | c | 39.04 | p | 22.45 | l | 43.29 | d | |
1961 | 20.25 | w | 27.28 | s | ----- | z | 45.33 | x | 52.59 | n | 66.80 | 70.62 | a | 69.19 | 62.05 | 51.18 | a | 35.05 | 18.65 | a | 53.36 | e | ||||
1962 | 12.82 | 16.95 | 28.92 | 45.43 | 62.37 | 65.70 | 66.94 | 69.45 | 57.22 | 52.37 | d | 35.45 | a | 20.68 | 44.52 | |||||||||||
1963 | 6.66 | 13.23 | 33.00 | a | 47.45 | a | 54.38 | a | 68.05 | 71.82 | a | 66.78 | a | 59.52 | b | 59.42 | 40.27 | b | 12.89 | 44.46 | ||||||
1964 | 24.34 | 24.90 | 30.53 | a | 46.69 | c | 62.27 | a | 67.60 | 72.85 | 67.74 | 58.81 | c | 47.74 | 38.80 | b | 19.06 | 46.78 | ||||||||
1965 | 14.98 | 18.00 | a | 24.60 | 42.57 | 61.17 | a | 64.97 | 68.97 | 66.87 | 58.80 | 49.76 | 36.98 | 29.56 | 44.77 | |||||||||||
1966 | 9.65 | 20.52 | 35.55 | 43.02 | 52.37 | 67.47 | a | 72.56 | 66.81 | 58.85 | 49.10 | 35.83 | 21.66 | 44.45 | ||||||||||||
1967 | 20.89 | 13.73 | 32.37 | 45.55 | 52.29 | 67.31 | a | 68.31 | 64.53 | 59.50 | 48.35 | 32.70 | 24.85 | 44.20 | ||||||||||||
1968 | 19.06 | 18.68 | a | 40.47 | 48.02 | 54.85 | 66.95 | 69.40 | 70.15 | 61.83 | 51.97 | 36.05 | 21.77 | 46.60 | ||||||||||||
1969 | 14.56 | 22.36 | 26.21 | 47.45 | 58.06 | 59.83 | 70.35 | 71.58 | 60.62 | 46.97 | a | 34.07 | 22.13 | 44.52 | ||||||||||||
1970 | 9.53 | 19.55 | 29.65 | 47.97 | a | 59.00 | 67.95 | a | 72.77 | 70.16 | 61.76 | a | 52.15 | 34.62 | 21.58 | 45.56 | ||||||||||
1971 | 10.66 | 19.48 | 27.58 | 45.57 | 54.87 | 70.53 | 67.65 | 66.28 | b | 64.27 | 56.98 | 36.03 | 25.39 | 45.44 | ||||||||||||
1972 | 13.08 | 16.60 | 27.19 | 41.18 | 61.25 | a | 65.17 | 69.16 | 69.76 | 59.67 | 46.18 | 33.95 | 17.77 | 43.41 | ||||||||||||
1973 | 22.52 | 23.00 | a | 40.44 | 43.72 | 54.18 | 68.53 | a | 72.82 | 71.29 | 61.53 | 55.27 | 35.95 | 20.88 | b | 47.51 | ||||||||||
1974 | 18.79 | 18.93 | 31.82 | 47.16 | b | 53.85 | 63.00 | a | 71.74 | 67.67 | a | 56.67 | 49.68 | 37.09 | a | 26.47 | 45.24 | |||||||||
1975 | 20.73 | 20.27 | 26.11 | 39.70 | 57.89 | l | 67.96 | d | 71.68 | 70.84 | 56.75 | 52.62 | a | 40.72 | 24.27 | 44.69 | a | |||||||||
1976 | 14.52 | 27.09 | 34.58 | 48.36 | b | 54.73 | 69.48 | 72.43 | a | 68.37 | 59.82 | 45.06 | 28.52 | 12.42 | 44.61 | |||||||||||
1977 | 4.18 | 22.43 | 40.08 | 52.47 | 65.40 | 64.72 | 74.08 | 65.71 | c | 61.31 | c | 48.63 | 35.00 | 18.75 | a | 46.06 | ||||||||||
1978 | 10.75 | c | 12.95 | 28.90 | 44.36 | a | 58.53 | 66.32 | 69.76 | 69.89 | d | 65.10 | 48.29 | 34.88 | 19.56 | 44.11 | ||||||||||
1979 | 6.17 | a | 11.23 | 30.81 | 42.42 | 56.06 | 66.30 | b | 70.24 | 68.36 | b | 62.57 | a | 48.32 | 35.33 | 28.60 | 43.87 | |||||||||
1980 | 17.27 | 17.48 | 28.26 | 47.84 | a | 60.19 | 65.84 | a | 73.26 | 70.60 | 60.73 | 45.08 | 36.63 | 21.85 | 45.42 | |||||||||||
1981 | 19.35 | 26.48 | a | 36.55 | 49.12 | 55.82 | a | 67.18 | 71.05 | 69.43 | b | 58.57 | b | 47.21 | 37.93 | 22.52 | 46.77 | |||||||||
1982 | 8.24 | 19.30 | 30.50 | 41.67 | 62.03 | 61.18 | 71.81 | 67.88 | a | 59.72 | 51.76 | 35.10 | 29.93 | a | 44.93 | |||||||||||
1983 | 23.06 | 28.23 | 33.20 | a | 42.37 | 52.61 | 67.78 | 75.11 | 74.08 | 61.80 | 50.47 | 37.72 | 11.02 | 46.45 | ||||||||||||
1984 | 15.63 | 31.12 | 26.68 | 46.62 | 54.63 | 68.50 | 69.48 | 71.84 | 59.77 | b | 52.44 | 35.80 | 26.03 | 46.54 | ||||||||||||
1985 | 13.23 | 19.09 | 37.35 | 51.87 | 61.19 | 65.28 | 71.00 | 66.87 | 61.27 | 49.73 | 30.87 | 12.11 | 44.99 | |||||||||||||
1986 | 18.37 | 20.00 | 36.48 | 50.98 | 59.74 | 66.75 | 72.55 | 65.74 | 61.48 | 50.32 | 31.18 | 25.16 | 46.56 | |||||||||||||
1987 | 22.90 | 30.57 | 37.53 | 50.50 | 61.53 | 70.88 | 74.18 | 68.74 | 61.82 | 44.06 | 39.22 | 27.79 | 49.14 | |||||||||||||
1988 | 13.97 | 16.31 | 33.19 | 46.77 | 61.90 | a | 71.98 | 74.63 | 73.67 | a | 63.05 | 44.03 | 38.07 | 22.77 | 46.70 | |||||||||||
1989 | 27.33 | a | 14.88 | 28.74 | 43.55 | 56.15 | 65.85 | 72.84 | 68.98 | 59.83 | 51.79 | 32.60 | 12.42 | 44.58 | ||||||||||||
1990 | 28.76 | 25.43 | 36.71 | 48.65 | 54.37 | 67.07 | 70.61 | 69.61 | 63.90 | 48.66 | 40.67 | 21.74 | 48.01 | |||||||||||||
1991 | 15.97 | a | 26.46 | 35.56 | 48.93 | 63.37 | 70.33 | 71.73 | 70.32 | 59.93 | 49.52 | 30.53 | 25.53 | 47.35 | ||||||||||||
1992 | 24.15 | 29.05 | 33.79 | 43.67 | 59.40 | 65.02 | 67.06 | 66.10 | a | 59.75 | 47.87 | 32.67 | 23.48 | 46.00 | ||||||||||||
1993 | 20.66 | 20.52 | 31.26 | 43.07 | 58.13 | a | 64.77 | 70.15 | 70.88 | a | 56.07 | a | 48.31 | 34.62 | 25.27 | 45.31 | ||||||||||
1994 | 8.29 | 16.23 | 35.03 | 48.55 | 58.47 | 69.82 | 69.65 | 66.85 | 64.78 | 52.90 | 39.73 | 29.55 | 46.65 | |||||||||||||
1995 | 20.68 | 22.55 | 35.92 | 42.35 | 57.31 | 71.63 | 74.02 | 75.34 | 59.83 | 51.15 | a | 27.70 | 20.23 | 46.56 | ||||||||||||
1996 | 15.48 | 21.57 | 28.05 | 43.42 | 54.90 | 67.88 | 68.32 | 70.39 | 62.63 | 50.81 | 29.00 | 22.67 | a | 44.59 | ||||||||||||
1997 | 16.26 | 24.80 | 34.18 | a | 44.92 | 53.23 | 68.50 | 69.98 | 66.56 | 62.17 | 50.95 | 33.02 | 28.68 | 46.10 | ||||||||||||
1998 | 23.95 | 33.64 | 34.63 | a | 49.05 | 64.29 | 66.77 | 71.85 | 71.66 | 66.72 | 52.30 | a | 41.02 | 30.14 | b | 50.50 | ||||||||||
1999 | 16.75 | a | 30.64 | 35.23 | a | 49.71 | a | 60.40 | 68.23 | 75.23 | 68.28 | a | 60.88 | 49.43 | a | 43.38 | 26.03 | 48.68 | ||||||||
2000 | 19.55 | a | 30.19 | 41.83 | b | 46.41 | a | 60.15 | 66.60 | 69.60 | 70.52 | a | 61.70 | 52.93 | a | 33.88 | a | 16.31 | r | 50.30 | a | |||||
2001 | 23.30 | a | 19.22 | a | 31.89 | 50.59 | b | 59.26 | 67.09 | a | 74.15 | a | 72.91 | c | 60.02 | 49.60 | ----- | z | 30.91 | b | 48.99 | a | ||||
2002 | 29.05 | a | 31.48 | 30.38 | c | 47.28 | a | 55.15 | 69.84 | a | 75.33 | a | 71.30 | a | 65.55 | 45.65 | 34.97 | 27.45 | b | 48.62 | ||||||
2003 | 18.43 | a | 20.02 | b | 33.43 | b | 43.94 | f | 59.71 | b | 65.96 | b | 70.52 | e | 72.75 | g | 63.77 | d | ----- | z | 37.88 | i | 30.02 | f | 47.41 | e |
2004 | 14.46 | g | 25.73 | g | 38.50 | a | 49.10 | 57.98 | c | 65.83 | 69.98 | a | ----- | z | ----- | z | ----- | z | 39.94 | f | 24.94 | e | 51.06 | f | ||
2005 | 18.93 | i | 28.07 | 30.63 | a | 51.12 | a | 54.52 | c | 71.37 | c | 72.35 | a | 71.45 | c | 66.00 | b | 52.07 | b | 39.44 | f | 19.30 | d | 51.69 | b | |
2006 | 30.00 | d | 22.05 | h | 34.65 | d | 51.05 | a | 57.52 | d | 65.11 | c | 71.31 | 67.61 | 55.21 | b | 41.68 | 37.07 | 27.80 | d | 49.00 | a | ||||
2007 | 21.22 | b | 11.88 | 34.72 | b | 42.45 | a | 57.85 | a | 66.12 | b | 67.92 | 65.85 | a | 62.57 | c | 53.82 | t | ----- | z | ----- | z | 47.84 | c | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.60 | 21.51 | 32.29 | 46.37 | 57.54 | 67.00 | 71.19 | 69.42 | 61.16 | 50.18 | 35.31 | 22.62 | 45.96 | |||||||||||||
S.D. | 5.78 | 5.43 | 4.71 | 3.32 | 3.35 | 2.51 | 2.25 | 2.71 | 2.53 | 3.68 | 3.77 | 5.04 | 1.60 | |||||||||||||
SKEW | -0.15 | 0.35 | 0.18 | -0.13 | 0.23 | -0.40 | 0.10 | 0.39 | -0.03 | 0.32 | -0.33 | -0.53 | 0.47 | |||||||||||||
MAX | 30.00 | 33.64 | 43.35 | 52.47 | 65.40 | 71.98 | 76.27 | 76.97 | 66.72 | 60.50 | 43.38 | 30.91 | 50.50 | |||||||||||||
MIN | 4.18 | 11.23 | 20.43 | 39.08 | 51.57 | 59.83 | 66.94 | 64.26 | 55.21 | 41.68 | 26.66 | 11.02 | 43.04 | |||||||||||||
YRS | 59 | 60 | 62 | 60 | 60 | 61 | 63 | 59 | 62 | 60 | 58 | 60 | 49 |