YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.10 | 38.63 | a | 40.87 | j | |
1945 | 35.35 | 35.11 | 40.71 | 41.90 | 57.50 | a | 62.13 | 74.16 | 71.68 | 64.76 | a | 56.97 | 40.47 | 30.77 | 50.96 | |||||||||||
1946 | 33.84 | 37.07 | 45.00 | 56.41 | a | 52.81 | 70.60 | 75.71 | 73.84 | 66.07 | 49.65 | 39.17 | 38.61 | 53.23 | ||||||||||||
1947 | 31.84 | 34.33 | a | 37.61 | 45.43 | 59.73 | a | 63.57 | 75.68 | 74.42 | 69.70 | 57.29 | 33.60 | 34.81 | 51.50 | |||||||||||
1948 | 31.40 | a | 33.31 | 33.23 | 49.97 | 60.10 | 67.77 | 76.84 | 75.81 | 70.40 | 54.87 | 34.20 | 31.29 | 51.60 | ||||||||||||
1949 | 28.45 | 30.32 | 41.00 | 51.67 | 58.94 | 66.33 | 73.77 | 74.42 | 68.47 | 51.90 | 50.20 | 35.65 | 52.59 | |||||||||||||
1950 | 33.26 | 38.50 | 38.32 | 49.30 | 54.55 | 69.80 | 71.80 | a | 72.50 | a | 62.00 | 62.10 | 42.70 | 40.00 | 52.90 | |||||||||||
1951 | 31.10 | 38.86 | 39.13 | 46.00 | a | 58.58 | 63.03 | 77.39 | 72.39 | 65.40 | 52.65 | 40.47 | 31.32 | 51.36 | ||||||||||||
1952 | 35.16 | 35.03 | 35.32 | 49.27 | 59.35 | 74.60 | 75.94 | 73.30 | a | 69.47 | 60.13 | 38.43 | 36.61 | 53.55 | ||||||||||||
1953 | 41.74 | 34.46 | 43.74 | 45.07 | 53.90 | 67.18 | s | 77.94 | 72.58 | 71.13 | 57.96 | h | 53.23 | 35.30 | a | 52.91 | b | |||||||||
1954 | 37.45 | 43.22 | a | 37.35 | 56.33 | 60.77 | 73.38 | a | 80.00 | 75.87 | 69.50 | 57.26 | 52.03 | 40.19 | 56.95 | |||||||||||
1955 | 34.77 | 29.29 | 38.29 | 50.97 | 58.61 | 64.67 | 76.73 | a | 73.65 | 69.73 | 61.74 | 45.03 | a | 38.68 | 53.51 | |||||||||||
1956 | 42.74 | 35.38 | c | 42.46 | c | 50.07 | 62.10 | 74.97 | 74.06 | 70.52 | 71.41 | a | 58.35 | 44.07 | 41.81 | 55.66 | ||||||||||
1957 | 30.83 | b | 43.64 | 40.74 | 44.10 | 53.52 | 68.50 | 74.35 | 73.43 | a | 65.27 | 56.35 | 46.47 | 52.45 | 54.14 | |||||||||||
1958 | 49.10 | 52.96 | 38.87 | 46.90 | 62.60 | a | 70.53 | 74.74 | 75.61 | 68.27 | 59.29 | 45.37 | 38.42 | 56.89 | ||||||||||||
1959 | 34.87 | 35.33 | a | 39.84 | 48.55 | a | 58.00 | 72.59 | a | 74.71 | 73.00 | 62.79 | a | 51.39 | 42.30 | 42.26 | 52.97 | |||||||||
1960 | 32.81 | 28.38 | 42.87 | 52.11 | b | 59.48 | 72.21 | a | 75.14 | b | 74.94 | 67.30 | 53.52 | 42.43 | 34.87 | 53.00 | ||||||||||
1961 | 37.35 | 36.46 | 38.84 | 44.20 | 57.58 | 68.07 | 71.77 | 70.87 | 56.43 | 53.13 | a | 38.20 | 28.16 | 50.09 | ||||||||||||
1962 | 32.97 | 34.56 | a | 36.06 | 51.72 | a | 59.60 | a | 65.79 | a | 74.61 | 76.17 | a | 65.93 | b | 57.79 | b | 44.46 | b | 38.45 | 53.18 | |||||
1963 | 26.25 | c | 36.48 | a | 36.00 | f | 50.60 | 62.41 | b | 69.17 | 78.20 | a | 69.23 | a | 66.90 | a | 61.13 | a | 47.31 | a | 34.65 | 54.76 | a | |||
1964 | 29.29 | 27.25 | a | 33.74 | 44.79 | a | 58.86 | b | ----- | z | 79.53 | a | 71.28 | b | 65.93 | a | 56.79 | c | 40.10 | 33.27 | a | 49.17 | a | |||
1965 | 34.37 | a | 33.46 | 30.74 | 47.31 | a | 56.39 | 64.53 | 74.48 | b | 69.23 | a | 55.74 | c | 58.93 | b | 45.07 | b | 39.14 | b | 50.78 | |||||
1966 | 30.60 | a | 30.12 | b | 45.00 | 49.78 | c | 62.07 | c | 68.97 | 79.80 | a | 72.37 | a | 66.22 | c | 53.65 | 44.64 | b | 36.32 | c | 53.29 | ||||
1967 | 33.38 | b | 33.00 | a | 44.77 | 51.18 | b | 53.62 | b | 62.67 | c | 72.34 | b | 69.10 | a | 63.38 | a | 55.41 | b | 42.43 | b | 29.57 | c | 50.90 | ||
1968 | 37.48 | 36.86 | a | 41.10 | b | 44.19 | c | 54.64 | c | 71.52 | a | 73.59 | d | 68.75 | c | 63.39 | b | 57.71 | c | 37.69 | a | 33.50 | e | 51.70 | ||
1969 | 35.96 | e | 35.41 | a | 35.33 | a | 52.69 | a | 62.54 | c | 62.96 | f | 76.60 | f | 75.89 | d | 67.30 | c | 43.57 | a | 40.79 | a | 39.55 | k | 49.94 | c |
1970 | 30.52 | b | 38.78 | a | 34.59 | b | 42.29 | b | 62.72 | f | 67.69 | d | 74.59 | b | 74.73 | e | 62.22 | c | 49.11 | d | 40.04 | b | 35.50 | a | 50.00 | a |
1971 | 31.00 | d | 30.04 | b | 37.44 | d | 47.92 | e | 55.44 | d | 72.30 | c | 74.50 | c | 72.62 | e | 60.86 | b | 51.50 | a | 41.21 | b | 32.48 | b | 50.61 | |
1972 | 30.00 | d | 35.71 | a | 46.93 | b | 50.48 | c | 59.31 | b | 70.22 | c | 75.65 | e | 71.10 | b | 64.57 | b | 53.89 | c | 35.19 | c | 31.78 | d | 52.07 | |
1973 | 33.26 | 36.48 | c | 39.32 | 43.23 | 56.45 | 68.00 | 72.28 | b | 72.65 | 62.60 | 57.55 | 42.97 | a | 35.35 | 51.68 | ||||||||||
1974 | 31.74 | 35.64 | 45.42 | 48.93 | 65.71 | 72.07 | 73.97 | 70.81 | 63.90 | 58.84 | 46.13 | 34.37 | a | 53.96 | ||||||||||||
1975 | 34.16 | 36.14 | 40.45 | 47.47 | 56.06 | 65.83 | 74.77 | 75.73 | a | 65.63 | 63.06 | 43.70 | 40.29 | 53.61 | ||||||||||||
1976 | 41.19 | 43.59 | 44.48 | 53.10 | 59.32 | 69.60 | 76.45 | 72.90 | 69.14 | a | 55.84 | 48.38 | a | 44.55 | 56.55 | |||||||||||
1977 | 35.42 | 48.70 | a | 46.68 | 55.77 | 63.16 | 79.73 | 79.39 | 71.29 | 72.17 | 68.27 | a | 52.10 | 37.79 | b | 59.21 | ||||||||||
1978 | 34.21 | b | 35.39 | 45.03 | b | 52.70 | 57.81 | 70.73 | 78.74 | 72.97 | 68.17 | 58.65 | 43.77 | 33.42 | 54.30 | |||||||||||
1979 | 31.48 | 36.50 | 43.10 | ----- | z | 58.23 | a | 71.63 | 80.33 | a | 73.62 | b | 71.90 | 59.39 | 38.75 | b | 41.61 | 55.14 | a | |||||||
1980 | 33.68 | 37.31 | 40.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.90 | ----- | z | ----- | z | 51.39 | 47.16 | g | |||||
1981 | ----- | z | ----- | z | 42.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.74 | k | |
1982 | 38.60 | a | 40.30 | a | 45.20 | a | 50.54 | b | 58.62 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.66 | h |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.65 | m | 57.37 | d | 47.26 | k | 28.00 | b | 42.69 | j |
1984 | 32.07 | b | 39.17 | e | 38.46 | c | 45.52 | e | 62.47 | a | 68.81 | d | 75.67 | d | 71.85 | d | 65.65 | g | 46.00 | a | 44.65 | m | 37.11 | c | 51.71 | b |
1985 | 29.32 | l | 30.71 | g | 42.83 | b | 53.96 | g | 62.11 | d | 69.72 | e | 73.10 | b | 76.45 | b | 61.41 | h | 55.68 | i | 37.10 | i | 33.58 | 59.63 | f | |
1986 | 40.46 | c | 34.42 | b | 47.84 | 50.46 | f | 60.61 | h | 70.32 | e | 74.21 | c | 74.38 | b | 62.84 | e | 53.15 | d | 40.75 | n | 38.13 | a | 55.08 | c | |
1987 | 33.41 | i | 36.35 | b | 41.15 | d | 51.77 | h | 60.96 | g | 70.82 | b | 76.31 | b | 72.10 | k | 67.74 | g | 58.30 | d | 44.06 | l | 30.70 | h | 56.58 | g |
1988 | 29.57 | x | 38.91 | f | 40.18 | c | 53.88 | n | 63.33 | d | 75.30 | 76.89 | c | 75.43 | j | ----- | z | ----- | z | ----- | z | ----- | z | 63.93 | h | |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.87 | 70.84 | 72.16 | 68.93 | 56.26 | 45.13 | 29.87 | a | 59.58 | e | ||||||
1991 | 33.10 | 42.43 | 40.26 | 48.23 | 60.10 | 69.55 | a | 72.06 | 70.23 | 64.17 | a | 57.61 | ----- | z | 38.05 | i | 55.77 | b | ||||||||
1992 | 42.85 | k | 40.44 | b | 42.93 | a | 55.46 | b | 60.77 | a | 64.97 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.91 | g |
1993 | 34.03 | 31.96 | 41.26 | 44.93 | 57.55 | 64.90 | 72.23 | 68.35 | 59.47 | 48.23 | 33.90 | 33.03 | 49.15 | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.32 | 36.47 | 40.60 | 48.90 | 58.90 | 69.30 | 75.36 | 72.75 | 66.06 | 55.97 | 42.77 | 36.50 | 53.06 | |||||||||||||
S.D. | 4.28 | 5.02 | 3.91 | 3.90 | 3.10 | 3.84 | 2.45 | 2.20 | 4.05 | 4.73 | 4.84 | 5.25 | 2.26 | |||||||||||||
SKEW | 1.20 | 0.96 | -0.34 | 0.13 | -0.12 | 0.17 | 0.34 | -0.17 | -0.52 | -0.30 | 0.14 | 1.01 | 0.79 | |||||||||||||
MAX | 49.10 | 52.96 | 47.84 | 56.41 | 65.71 | 79.73 | 80.33 | 76.45 | 72.90 | 68.27 | 53.23 | 52.45 | 59.21 | |||||||||||||
MIN | 26.25 | 27.25 | 30.74 | 41.90 | 52.81 | 62.13 | 70.84 | 68.35 | 55.74 | 43.57 | 33.60 | 28.00 | 49.15 | |||||||||||||
YRS | 41 | 43 | 45 | 39 | 40 | 41 | 42 | 41 | 40 | 41 | 38 | 42 | 30 |