YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.60 | i | 79.00 | k | 74.50 | 67.31 | i | 55.80 | i | 47.63 | d | 40.03 | b | 54.06 | i | |
1942 | 38.78 | d | 37.75 | b | 45.95 | a | 55.71 | w | 67.95 | u | 75.31 | c | 82.08 | e | 78.14 | q | 71.78 | j | 60.78 | a | 49.82 | k | 44.15 | e | 54.97 | e |
1943 | 40.59 | b | 45.06 | c | 49.92 | a | 57.48 | d | 63.70 | u | 71.94 | c | 80.56 | e | 77.48 | h | 73.72 | c | 62.78 | m | 49.37 | c | 39.94 | m | 58.58 | d |
1944 | 37.35 | a | 37.38 | c | 43.40 | e | ----- | z | 64.14 | j | 67.50 | g | 78.98 | d | 80.30 | a | 75.88 | b | 66.57 | a | 45.88 | b | 42.14 | c | 56.43 | c |
1945 | 41.40 | a | 44.25 | b | 43.52 | c | 51.75 | h | 62.64 | m | 71.91 | c | 79.91 | b | 76.44 | d | 71.68 | 61.94 | m | 46.84 | a | 34.78 | o | 59.50 | d | |
1946 | 38.44 | e | 41.87 | b | 48.83 | b | 59.54 | c | 64.29 | 75.52 | 78.55 | 76.47 | 72.04 | b | 53.26 | 42.78 | a | 42.90 | 57.87 | |||||||
1947 | ----- | z | 47.30 | h | 50.32 | c | 56.29 | f | 68.58 | g | 70.94 | c | 79.68 | a | 75.54 | f | 75.88 | b | ----- | z | 41.25 | 36.21 | e | 59.05 | f | |
1948 | 42.35 | d | 33.29 | v | ----- | z | ----- | z | 64.94 | d | 71.82 | b | 79.50 | d | 77.10 | b | 68.79 | r | 61.11 | d | 43.88 | v | ----- | z | 66.14 | f |
1949 | 26.58 | r | 33.61 | 45.38 | c | 61.61 | k | 61.18 | f | 71.67 | a | 79.46 | c | 75.98 | c | 73.04 | b | 60.00 | t | 54.52 | f | 35.63 | e | 59.25 | e | |
1950 | 41.83 | s | 44.98 | c | 48.36 | m | 59.45 | a | 62.88 | f | 73.78 | l | 76.48 | f | 76.55 | a | 69.15 | 66.44 | d | 58.25 | x | 48.04 | f | 63.31 | g | |
1951 | 39.56 | 41.74 | a | 46.70 | k | 55.74 | c | 62.75 | c | 77.00 | n | 80.44 | f | 74.89 | c | 72.10 | d | 57.21 | c | 47.75 | l | 35.52 | c | 54.94 | d | |
1952 | 35.95 | a | 40.32 | a | 40.56 | 53.50 | d | 64.73 | c | 70.63 | d | 78.61 | c | 78.98 | f | 71.79 | f | 65.35 | a | 42.38 | b | 38.26 | d | 53.03 | b | |
1953 | 44.45 | 42.05 | 47.93 | d | 52.92 | e | 57.53 | b | 73.19 | d | 77.78 | f | 75.59 | c | 73.00 | u | 60.27 | k | 50.86 | i | 36.53 | a | 53.78 | d | ||
1954 | 39.48 | 47.18 | 43.95 | 59.26 | e | 65.96 | f | 70.84 | b | 77.83 | d | 74.04 | g | 67.25 | l | 60.71 | b | 51.41 | n | 39.86 | m | 57.04 | e | |||
1955 | 33.78 | b | 35.63 | b | 46.98 | k | 50.00 | b | 61.96 | f | 72.83 | c | 77.48 | f | 77.15 | 72.50 | d | 63.85 | 48.28 | a | 44.35 | 55.37 | c | |||
1956 | 44.50 | 38.43 | 49.71 | c | 54.76 | a | 65.74 | 75.24 | a | 78.46 | c | 75.98 | a | 75.71 | a | 61.03 | b | 46.86 | b | 40.90 | f | 60.58 | a | |||
1957 | 37.42 | e | 48.31 | b | 48.48 | b | 52.77 | 57.91 | d | 76.69 | d | 79.03 | b | 76.20 | a | 72.38 | b | 57.35 | a | 42.32 | 43.58 | e | 57.70 | |||
1958 | 40.95 | c | 45.79 | b | 41.58 | a | 51.62 | d | 67.20 | a | 75.14 | a | 79.85 | 79.59 | b | 70.05 | b | 67.19 | m | 47.55 | b | 48.77 | i | 59.93 | b | |
1959 | 41.03 | b | 40.07 | 49.21 | b | 59.13 | d | 64.73 | e | 77.48 | b | 82.92 | 76.55 | b | 69.55 | a | 60.80 | a | 48.75 | b | 40.77 | g | 60.93 | a | ||
1960 | 33.98 | b | 39.58 | d | 51.61 | c | 56.25 | f | 65.76 | 78.10 | 82.27 | 80.02 | 73.55 | 58.55 | 51.54 | p | 38.58 | s | 62.60 | c | ||||||
1961 | 42.12 | r | 45.02 | 47.05 | a | 56.26 | a | 64.42 | 78.71 | a | 82.00 | 76.52 | a | 67.16 | a | 58.77 | 44.78 | 38.35 | r | 62.07 | b | |||||
1962 | 37.74 | 42.62 | 43.16 | 61.10 | 62.68 | a | 73.17 | 79.21 | s | 79.26 | d | 73.78 | a | 61.53 | 52.72 | e | 42.56 | 57.30 | a | |||||||
1963 | 35.56 | e | 49.18 | 46.35 | 50.89 | c | 67.91 | b | 69.52 | d | 82.03 | 76.98 | a | 72.29 | b | 64.42 | a | 50.45 | i | 40.72 | b | 59.62 | a | |||
1964 | 36.45 | 37.80 | a | 42.25 | a | 52.11 | b | 61.98 | 72.25 | 81.69 | b | 76.87 | 71.04 | b | 66.40 | 45.02 | h | 40.65 | e | 58.14 | a | |||||
1965 | 42.17 | d | 43.98 | d | 45.10 | e | 51.12 | a | 58.72 | b | 68.30 | e | 78.16 | 77.22 | a | 69.44 | e | 64.98 | d | 55.03 | n | 36.66 | l | 59.92 | b | |
1966 | 36.95 | 36.70 | 50.68 | 58.59 | b | 67.05 | b | 72.69 | i | 78.79 | 79.52 | d | 72.58 | 59.34 | 50.10 | 40.77 | a | 57.37 | a | |||||||
1967 | 43.10 | p | 45.04 | 50.37 | 47.75 | b | 63.38 | c | 70.69 | c | 79.24 | 77.27 | 69.12 | 61.02 | 51.73 | 33.08 | 58.97 | a | ||||||||
1968 | 39.69 | j | 47.33 | 49.07 | d | ----- | z | 63.76 | 74.50 | b | 78.13 | 72.69 | 71.40 | 60.66 | 48.25 | 38.32 | l | 62.87 | c | |||||||
1969 | 42.12 | e | 39.32 | 43.88 | b | 55.42 | 66.85 | 70.68 | h | 79.27 | a | 80.32 | a | 70.71 | b | 54.95 | 47.94 | c | ----- | z | 58.08 | b | ||||
1970 | 40.33 | b | 46.20 | a | 45.89 | c | 47.20 | j | 65.95 | b | 74.59 | b | 78.68 | 78.13 | d | 67.13 | 55.48 | a | 48.90 | ----- | z | 60.13 | b | |||
1971 | 38.50 | 42.30 | 47.31 | d | 54.92 | 58.92 | 73.75 | b | 81.24 | 76.81 | b | 68.72 | 54.69 | 45.52 | 33.25 | o | 58.43 | a | ||||||||
1972 | 39.08 | 46.16 | 55.24 | f | 55.80 | 62.48 | h | 72.26 | a | 82.25 | a | 77.05 | 68.97 | 55.58 | a | 42.87 | ----- | z | 60.00 | c | ||||||
1973 | 33.19 | 40.44 | a | 40.68 | 49.95 | b | 64.10 | b | 72.67 | 79.45 | a | 77.55 | a | 69.85 | 60.03 | b | ----- | z | 37.90 | u | 58.79 | b | ||||
1974 | 35.35 | a | 41.14 | 50.35 | 52.83 | d | 67.26 | b | 78.86 | a | 78.83 | b | 77.35 | 72.33 | 61.63 | a | 47.25 | ----- | z | 60.29 | a | |||||
1975 | 38.03 | 40.46 | 42.71 | 47.09 | b | 60.58 | f | 73.08 | 78.74 | 77.15 | 71.75 | b | 59.55 | a | 46.08 | 41.60 | e | 56.02 | a | |||||||
1976 | 43.52 | h | 45.19 | b | 45.08 | a | 52.38 | 65.32 | a | 72.31 | c | 78.22 | a | 76.55 | 69.29 | a | 57.58 | a | 50.23 | ----- | z | 61.22 | b | |||
1977 | 38.15 | 45.88 | d | 43.07 | c | 57.46 | c | 58.94 | 75.52 | a | 80.17 | a | 78.61 | 71.35 | 64.12 | c | 49.52 | ----- | z | 60.25 | a | |||||
1978 | 40.63 | 42.41 | a | 49.78 | b | 52.26 | a | 62.15 | d | 74.60 | a | 80.05 | 77.61 | 68.43 | b | 64.43 | b | 45.72 | 33.68 | a | 57.65 | |||||
1979 | 32.25 | a | ----- | z | 45.45 | b | 54.67 | c | 62.73 | c | 72.58 | 80.02 | 75.27 | 74.72 | 62.55 | c | 44.00 | b | 42.84 | 58.83 | a | |||||
1980 | 41.67 | b | 45.59 | 43.71 | c | 55.54 | c | 58.71 | 73.20 | 78.62 | a | ----- | z | ----- | z | ----- | z | ----- | z | 47.63 | l | 56.72 | e | |||
1981 | 45.50 | l | 45.60 | h | 46.33 | j | 60.43 | i | 63.95 | i | 78.22 | 80.60 | 77.71 | 70.98 | a | 55.84 | 49.75 | 43.24 | l | 68.85 | f | |||||
1982 | 37.07 | b | 41.61 | a | 45.70 | u | 53.96 | b | 62.55 | a | 72.00 | 77.22 | a | 76.50 | c | 69.59 | a | 55.23 | 43.70 | c | 38.70 | d | 57.10 | a | ||
1983 | 41.23 | ----- | z | 47.17 | d | 49.15 | c | 63.10 | a | 72.97 | a | 77.93 | b | 75.42 | 72.93 | b | 59.90 | f | 45.04 | d | 42.77 | c | 58.77 | b | ||
1984 | 39.77 | 42.31 | b | 49.04 | c | 53.06 | e | 70.66 | 72.02 | e | 76.77 | 75.18 | 73.02 | 53.59 | b | ----- | z | 41.21 | q | 60.54 | b | |||||
1985 | 39.23 | i | 46.47 | k | 46.88 | g | 61.89 | g | 66.15 | a | 76.53 | 81.52 | d | 79.15 | a | 67.04 | e | 60.67 | h | 54.06 | v | ----- | z | 74.08 | 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 | 84.00 | v | ----- | z | ----- | z | 58.33 | y | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.75 | 42.39 | 46.35 | 54.20 | 63.72 | 73.63 | 79.67 | 77.08 | 71.34 | 60.15 | 46.80 | 39.84 | 57.74 | |||||||||||||
S.D. | 3.03 | 3.71 | 3.15 | 3.57 | 3.19 | 2.56 | 1.54 | 1.65 | 2.36 | 3.88 | 2.94 | 3.51 | 0.12 | |||||||||||||
SKEW | -0.22 | -0.30 | -0.12 | 0.02 | -0.30 | 0.38 | 0.42 | 0.06 | 0.07 | -0.04 | -0.07 | -0.53 | 0.52 | |||||||||||||
MAX | 44.50 | 49.18 | 51.61 | 61.10 | 70.66 | 78.86 | 82.92 | 80.32 | 75.88 | 66.57 | 52.72 | 44.35 | 57.87 | |||||||||||||
MIN | 32.25 | 33.61 | 40.56 | 47.09 | 57.53 | 68.30 | 76.77 | 72.69 | 67.04 | 53.26 | 41.25 | 33.08 | 57.65 | |||||||||||||
YRS | 35 | 38 | 36 | 33 | 32 | 39 | 39 | 39 | 38 | 35 | 30 | 21 | 3 |