YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.00 | i | 63.45 | k | 60.81 | 52.76 | i | 43.09 | i | 34.54 | d | 30.31 | b | 41.89 | i | |
1942 | 27.56 | d | 26.88 | b | 31.80 | a | 41.71 | w | 51.80 | u | 60.19 | c | 66.28 | b | 63.67 | m | 55.15 | j | 47.37 | a | 36.11 | k | 32.41 | d | 41.78 | e |
1943 | 29.69 | b | 32.64 | c | 38.37 | a | 44.15 | d | 51.09 | t | 57.04 | c | 65.11 | d | 64.43 | h | 59.30 | c | 48.44 | m | 33.93 | c | 29.16 | l | 45.03 | d |
1944 | 25.33 | a | 27.19 | c | 29.31 | e | ----- | z | 47.57 | j | 52.04 | g | 62.74 | d | 63.97 | a | 61.71 | b | 54.70 | a | 35.36 | b | 30.39 | c | 43.41 | c |
1945 | 29.43 | a | 33.35 | b | 31.54 | c | 36.91 | h | 47.61 | m | 55.67 | c | 64.72 | b | 63.07 | d | 56.53 | 48.33 | m | 31.97 | a | 22.41 | n | 45.78 | d | |
1946 | 26.04 | e | 27.85 | b | 35.14 | b | 43.86 | b | 50.26 | 59.23 | 63.39 | 62.19 | 55.93 | 39.74 | 30.43 | 31.94 | 43.83 | |||||||||
1947 | ----- | z | 33.19 | g | 35.54 | c | 41.35 | d | 53.00 | g | 56.11 | c | 64.17 | a | 61.00 | e | 60.18 | b | ----- | z | 29.03 | 26.41 | b | 46.72 | d | |
1948 | 28.89 | d | 22.29 | v | ----- | z | ----- | z | 48.07 | b | 55.86 | b | 64.48 | d | 62.38 | b | 55.08 | r | 46.56 | d | 30.12 | v | ----- | z | 51.04 | f |
1949 | 18.54 | r | 22.04 | 32.50 | c | 47.26 | k | 46.88 | f | 57.45 | a | 65.46 | c | 60.82 | c | 58.46 | b | 44.64 | t | 39.21 | f | 25.31 | e | 46.01 | e | |
1950 | 31.08 | s | 32.48 | c | 35.78 | m | 45.03 | a | 47.16 | f | 55.56 | l | 62.08 | f | 60.47 | a | 54.37 | 51.11 | d | 43.83 | x | 34.92 | f | 48.69 | g | |
1951 | 28.26 | 30.00 | a | 34.60 | k | 42.67 | c | 49.14 | c | 61.81 | n | 65.16 | f | 61.18 | c | 56.62 | d | 43.43 | c | 35.33 | l | 25.57 | c | 42.11 | d | |
1952 | 26.60 | a | 28.57 | a | 30.45 | 40.46 | d | 49.39 | c | 55.69 | d | 63.50 | c | 63.80 | f | 56.00 | f | 48.73 | a | 30.00 | b | 28.11 | d | 40.15 | b | |
1953 | 31.77 | 28.39 | 33.96 | c | 38.81 | c | 43.07 | b | 56.77 | d | 64.40 | f | 61.00 | c | 56.56 | u | 42.87 | h | 35.52 | g | 23.30 | a | 39.64 | d | ||
1954 | 27.61 | 31.43 | 29.94 | 43.46 | d | 49.24 | f | 54.11 | b | 61.59 | d | 59.52 | f | 49.94 | l | 43.69 | b | 38.69 | n | 29.50 | m | 41.69 | e | |||
1955 | 24.59 | b | 24.31 | b | 31.22 | h | 32.07 | b | 44.96 | e | 56.46 | b | 62.24 | f | 64.23 | 57.30 | c | 49.19 | 36.17 | a | 34.16 | 42.34 | b | |||
1956 | 34.13 | 26.17 | 34.29 | c | 41.00 | a | 51.00 | 59.00 | a | 64.31 | b | 61.90 | a | 60.52 | a | 46.77 | a | 31.39 | b | 29.12 | f | 46.41 | a | |||
1957 | 29.96 | d | 37.19 | b | 36.21 | b | 39.93 | 44.85 | d | 61.44 | c | 64.55 | b | 63.10 | a | 56.93 | b | 45.60 | a | 32.43 | 32.26 | d | 45.37 | |||
1958 | 28.93 | c | 34.42 | b | 31.81 | 38.69 | d | 51.53 | a | 60.07 | a | 65.32 | 64.90 | b | 56.61 | b | 52.61 | m | 34.68 | b | 34.73 | i | 46.70 | b | ||
1959 | 28.90 | b | 28.71 | 34.86 | b | 44.88 | d | 50.31 | e | 62.21 | b | 68.65 | 63.67 | a | 56.24 | a | 46.47 | a | 35.39 | b | 31.12 | f | 47.30 | a | ||
1960 | 24.28 | b | 28.54 | c | 37.76 | b | 42.08 | f | 51.32 | 62.37 | 67.00 | 65.61 | 59.93 | 45.74 | 40.53 | o | 26.64 | q | 49.17 | c | ||||||
1961 | 30.92 | r | 32.43 | 34.47 | a | 42.34 | a | 49.52 | 62.76 | a | 67.52 | 62.87 | a | 53.14 | a | 44.32 | 33.30 | 25.93 | q | 48.27 | b | |||||
1962 | 26.68 | 32.29 | 30.81 | 45.90 | 48.07 | a | 57.63 | 63.08 | s | 64.07 | d | 58.47 | 47.94 | 39.20 | e | 29.84 | 43.72 | a | ||||||||
1963 | 23.54 | e | 36.50 | 32.90 | 38.07 | c | 51.52 | b | 54.35 | d | 67.90 | 63.80 | a | 57.54 | b | 50.47 | a | 38.24 | i | 27.41 | b | 45.82 | a | |||
1964 | 24.32 | 23.69 | 29.48 | 39.57 | b | 47.23 | 56.83 | 66.97 | b | 62.58 | 56.71 | b | 51.23 | 32.95 | h | 29.65 | e | 44.39 | a | |||||||
1965 | 30.11 | d | 31.04 | c | 32.41 | d | 39.03 | a | 43.17 | b | 52.72 | e | 63.19 | 62.37 | a | 54.84 | e | 49.15 | d | 43.38 | n | 28.68 | l | 45.80 | b | |
1966 | 25.52 | 25.68 | 36.42 | 43.07 | b | 50.69 | b | 56.71 | i | 64.45 | 64.78 | d | 58.77 | 45.29 | 37.97 | 30.17 | a | 43.89 | a | |||||||
1967 | 31.47 | p | 31.00 | 37.00 | 34.93 | b | 48.11 | c | 56.22 | c | 64.84 | 62.55 | 55.83 | 46.87 | 39.23 | 22.84 | 45.40 | a | ||||||||
1968 | 28.19 | j | 35.93 | 36.00 | d | ----- | z | 49.45 | 59.68 | b | 64.45 | 60.35 | 56.27 | 46.52 | 35.87 | 25.68 | l | 49.39 | c | |||||||
1969 | 33.42 | e | 29.86 | 30.55 | b | 40.43 | 51.77 | 56.18 | h | 65.63 | a | 65.80 | a | 56.93 | b | 42.16 | 35.67 | c | ----- | z | 45.22 | b | ||||
1970 | 28.41 | b | 33.74 | a | 33.39 | c | 33.15 | j | 50.52 | b | 59.11 | b | 63.39 | 64.00 | d | 51.57 | 41.33 | a | 35.47 | ----- | z | 46.09 | b | |||
1971 | 25.23 | 29.54 | 31.89 | d | 39.73 | 44.35 | 56.86 | b | 64.42 | 62.62 | b | 53.10 | 40.74 | 32.27 | 23.38 | o | 43.70 | a | ||||||||
1972 | 25.87 | 31.76 | 38.88 | e | 39.90 | 45.70 | h | 56.34 | a | 66.70 | a | 61.23 | 54.83 | 44.84 | 31.63 | ----- | z | 45.20 | b | |||||||
1973 | 22.29 | 30.54 | 30.19 | 34.64 | b | 48.59 | b | 56.33 | 63.30 | a | 61.50 | a | 53.47 | 43.28 | b | ----- | z | 26.60 | u | 44.41 | b | |||||
1974 | 25.30 | a | 27.61 | 36.94 | 36.50 | d | 50.79 | b | 61.14 | a | 64.62 | b | 61.35 | 56.87 | 47.70 | a | 34.70 | ----- | z | 45.77 | a | |||||
1975 | 25.77 | 27.79 | 30.52 | 33.04 | b | 43.81 | e | 57.47 | 63.35 | 61.29 | 56.71 | b | 43.97 | a | 32.13 | 28.85 | d | 42.06 | ||||||||
1976 | 28.61 | h | 33.67 | b | 31.03 | a | 37.03 | 49.80 | a | 55.37 | c | 63.50 | a | 61.45 | 55.79 | a | 42.77 | a | 35.63 | ----- | z | 46.60 | b | |||
1977 | 26.65 | 30.20 | c | 29.13 | a | 40.96 | c | 45.16 | 58.83 | a | 65.53 | a | 64.26 | 56.93 | 49.82 | c | 35.97 | ----- | z | 45.77 | a | |||||
1978 | 30.87 | 31.96 | a | 37.31 | b | 39.07 | a | 46.74 | d | 58.28 | a | 63.84 | 61.74 | 52.43 | b | 49.97 | b | 35.00 | 22.87 | a | 44.17 | |||||
1979 | 22.63 | a | ----- | z | 32.90 | b | 39.52 | c | 46.71 | c | 55.70 | 64.10 | 60.42 | 58.60 | 47.82 | c | 30.96 | b | 30.45 | 44.53 | a | |||||
1980 | 34.07 | b | 34.69 | 32.14 | c | 41.15 | c | 44.58 | 57.10 | 63.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | 35.58 | l | 43.82 | e | |||
1981 | 32.42 | l | 31.70 | h | 34.33 | j | 44.95 | i | 50.32 | i | 63.47 | 66.35 | 63.10 | 57.66 | a | 43.87 | 37.93 | 32.10 | k | 55.40 | f | |||||
1982 | 26.53 | a | 30.52 | a | 35.17 | s | 41.38 | a | 48.33 | a | 56.97 | 62.68 | 63.45 | b | 57.28 | a | 41.71 | 32.96 | c | 27.80 | a | 44.51 | a | |||
1983 | 30.23 | ----- | z | 37.48 | b | 37.57 | b | 47.90 | a | 57.77 | 63.74 | 62.35 | 59.28 | a | 46.32 | f | 34.96 | d | 33.70 | a | 46.50 | b | ||||
1984 | 27.77 | 28.45 | 34.26 | 38.32 | b | 55.19 | 57.44 | e | 63.65 | 61.68 | 59.07 | 40.80 | a | ----- | z | 32.64 | q | 46.66 | b | |||||||
1985 | 29.17 | h | 33.12 | k | 36.04 | g | 46.17 | f | 52.19 | 60.97 | 66.04 | d | 64.03 | a | 53.52 | c | 47.13 | h | 44.75 | v | ----- | z | 59.35 | g | ||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.89 | v | ----- | z | ----- | z | 47.00 | y | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.63 | 30.24 | 33.50 | 39.96 | 48.47 | 57.92 | 64.73 | 62.60 | 56.74 | 46.05 | 34.21 | 28.75 | 43.86 | |||||||||||||
S.D. | 3.03 | 3.51 | 2.85 | 3.31 | 2.94 | 2.53 | 1.58 | 1.47 | 2.35 | 3.49 | 2.63 | 3.40 | 1.37 | |||||||||||||
SKEW | 0.42 | -0.15 | 0.22 | -0.41 | -0.17 | 0.43 | 0.56 | 0.34 | -0.19 | 0.22 | 0.02 | -0.31 | -0.35 | |||||||||||||
MAX | 34.13 | 37.19 | 38.88 | 45.90 | 55.19 | 63.47 | 68.65 | 65.80 | 61.71 | 54.70 | 39.23 | 34.16 | 45.37 | |||||||||||||
MIN | 22.29 | 22.04 | 29.13 | 32.07 | 43.07 | 52.72 | 61.59 | 60.35 | 51.57 | 39.74 | 29.03 | 22.84 | 42.06 | |||||||||||||
YRS | 35 | 38 | 37 | 34 | 34 | 39 | 39 | 40 | 38 | 35 | 30 | 21 | 4 |