YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.54 | d | 48.46 | c | 51.00 | j |
1934 | 44.34 | b | 51.36 | c | 62.94 | 65.90 | 77.48 | 82.13 | 87.06 | 82.90 | 75.67 | 70.93 | a | 53.70 | 48.07 | a | 66.87 | |||||||||
1935 | 45.13 | 42.82 | 48.81 | 57.00 | d | 64.33 | a | 82.53 | 84.90 | 80.42 | l | 73.62 | q | 68.26 | 52.93 | 44.45 | 59.12 | b | ||||||||
1936 | 43.97 | b | 45.55 | 53.06 | 64.57 | 73.94 | 83.57 | 84.10 | a | 81.32 | 70.07 | 61.43 | c | 53.17 | 44.29 | 63.25 | ||||||||||
1937 | ----- | z | ----- | z | ----- | z | 63.80 | 75.29 | 82.23 | 87.48 | 84.13 | 78.18 | b | 67.81 | 56.92 | d | ----- | z | 74.48 | d | ||||||
1938 | 41.43 | c | 42.37 | a | ----- | z | ----- | z | 67.75 | o | 72.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.94 | i | |
1939 | 43.16 | 39.19 | a | 55.55 | 67.52 | a | 77.52 | 86.93 | 88.68 | 85.97 | ----- | z | ----- | z | ----- | z | ----- | z | 68.06 | d | ||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.31 | d | 69.07 | a | 50.04 | b | 50.13 | 60.88 | h | |
1941 | 43.39 | 54.11 | 52.39 | 53.73 | 70.58 | 76.37 | 83.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.97 | e | |||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | 70.79 | c | 81.00 | 86.33 | a | 82.47 | a | 75.30 | 73.13 | 55.13 | 42.65 | 70.85 | d | |||||
1965 | 45.45 | 45.86 | 49.47 | a | 60.60 | 68.67 | a | 77.96 | b | 82.19 | 83.07 | d | 72.86 | a | 71.08 | e | 58.74 | c | 47.21 | b | 63.60 | |||||
1966 | 41.19 | d | 40.88 | d | 55.76 | b | 59.92 | d | 79.44 | d | 84.07 | c | 90.82 | c | 83.81 | 78.23 | h | ----- | z | ----- | z | 46.33 | g | 66.99 | d | |
1967 | 42.23 | a | 49.42 | b | 57.85 | e | 60.07 | c | 68.74 | d | 81.35 | d | 86.87 | a | 82.46 | c | 76.14 | b | 69.48 | f | 57.71 | b | 39.83 | a | 63.88 | a |
1968 | 40.26 | d | 46.11 | b | 48.59 | d | 55.65 | d | 72.42 | e | 85.03 | a | 87.24 | b | 78.48 | d | 74.79 | b | 69.33 | j | ----- | z | ----- | z | 65.40 | c |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 83.18 | t | 81.67 | 85.65 | 84.86 | c | 80.07 | 65.19 | 52.67 | 48.84 | 71.28 | e | ||||||
1970 | 43.63 | a | 51.93 | 51.19 | 58.77 | 75.74 | 82.63 | 86.97 | 85.35 | 76.33 | 60.77 | 58.33 | 49.84 | 65.12 | ||||||||||||
1971 | 45.06 | 47.68 | 59.00 | 63.03 | 71.19 | 84.60 | 89.00 | 81.90 | 76.59 | a | 61.39 | 55.97 | 40.58 | 64.67 | ||||||||||||
1972 | 49.26 | 54.38 | 64.87 | 67.43 | 74.87 | 81.47 | 88.71 | 82.82 | c | 76.90 | 63.87 | 46.09 | g | 43.82 | c | 68.04 | a | |||||||||
1973 | 40.60 | a | 43.50 | 45.59 | d | 55.60 | e | 70.85 | d | 80.41 | c | 85.38 | g | 84.74 | 78.50 | 71.23 | 56.10 | 47.45 | 61.32 | a | ||||||
1974 | 42.87 | 47.89 | 61.28 | b | 65.74 | c | 78.81 | 89.93 | 86.58 | 81.55 | 76.83 | 64.84 | 54.57 | 42.74 | 66.14 | |||||||||||
1975 | 42.94 | 43.89 | 51.55 | 58.87 | 70.77 | 83.77 | 83.81 | 84.26 | 72.97 | 69.23 | 57.17 | 44.83 | a | 63.67 | ||||||||||||
1976 | 44.32 | 54.31 | 54.61 | 64.60 | 73.61 | 85.20 | 85.10 | 83.26 | 76.87 | 63.19 | 54.60 | 46.97 | 65.55 | |||||||||||||
1977 | 41.00 | b | 49.64 | 53.97 | 66.03 | 74.39 | 85.77 | 84.81 | 84.81 | 79.27 | 70.39 | 55.97 | 51.26 | 66.44 | ||||||||||||
1978 | 44.32 | 45.29 | 57.03 | 66.38 | a | 73.35 | 86.33 | 88.84 | 84.00 | 78.20 | 71.13 | 52.83 | 42.00 | b | 65.81 | |||||||||||
1979 | 38.19 | 45.79 | 51.71 | 64.70 | 70.26 | 81.23 | 87.52 | 83.32 | 82.07 | a | 72.61 | 50.03 | 49.77 | 64.77 | ||||||||||||
1980 | 45.00 | 50.41 | 52.87 | 63.17 | 71.55 | 89.00 | 88.71 | 82.52 | 79.37 | 67.77 | 55.83 | 54.68 | 66.74 | |||||||||||||
1981 | 50.55 | 53.57 | 51.13 | 69.27 | 71.65 | 86.53 | 84.61 | 84.29 | 78.23 | 66.32 | 60.53 | 51.65 | 67.36 | |||||||||||||
1982 | 42.97 | a | 46.39 | 54.53 | a | 64.47 | 71.26 | 84.03 | a | 85.06 | 80.65 | 76.07 | a | 66.87 | 51.70 | 42.26 | 63.85 | |||||||||
1983 | 45.16 | 48.07 | 51.74 | 57.07 | 71.62 | b | 80.59 | a | 85.45 | 81.87 | 78.93 | 66.39 | 53.10 | 47.29 | 63.94 | |||||||||||
1984 | 45.90 | 51.14 | 56.77 | a | 61.70 | 79.20 | a | 83.53 | 86.61 | 80.94 | 76.90 | 56.74 | 53.47 | 45.42 | 64.86 | |||||||||||
1985 | 41.06 | 44.18 | 54.42 | 66.90 | 73.77 | 85.83 | 86.42 | 82.81 | 73.59 | a | 66.42 | 51.77 | 46.52 | 64.47 | ||||||||||||
1986 | 54.71 | 51.14 | 58.06 | 66.00 | 75.03 | 82.40 | 83.16 | 84.90 | 75.93 | 64.55 | 53.50 | 44.32 | 66.14 | |||||||||||||
1987 | 45.00 | 46.18 | 50.77 | 66.93 | 72.23 | 84.33 | 85.23 | 79.68 | 77.13 | 70.68 | 53.00 | 44.94 | 64.67 | |||||||||||||
1988 | 43.55 | 52.38 | 57.71 | 64.53 | 75.52 | 83.63 | 84.90 | 79.32 | 75.43 | 72.65 | 55.03 | 47.71 | 66.03 | |||||||||||||
1989 | 44.68 | 54.25 | 63.77 | 72.90 | 78.48 | 86.27 | 88.58 | 83.26 | 80.30 | 66.42 | 56.20 | 48.19 | 68.61 | |||||||||||||
1990 | 46.48 | 49.32 | 57.81 | 66.03 | 73.32 | 89.17 | 82.68 | 82.00 | 78.07 | 69.13 | 56.63 | 42.55 | 66.10 | |||||||||||||
1991 | 42.52 | 54.82 | 52.42 | 65.07 | 75.65 | 81.27 | 84.48 | 82.42 | 78.70 | 69.26 | 52.50 | 44.45 | 65.30 | |||||||||||||
1992 | 40.10 | 48.62 | 56.16 | 69.97 | 69.77 | 80.70 | 83.65 | 82.58 | 80.30 | 71.45 | 48.10 | 44.16 | 64.63 | |||||||||||||
1993 | 46.42 | 48.14 | 58.00 | 66.37 | 75.42 | 84.17 | 87.37 | a | 81.13 | 78.80 | 65.58 | 52.30 | 47.84 | 65.96 | ||||||||||||
1994 | 48.81 | 48.54 | 58.35 | 65.00 | 74.90 | 88.67 | 88.32 | 85.61 | 77.17 | 64.29 | 51.87 | 48.84 | 66.70 | |||||||||||||
1995 | 43.90 | a | 55.75 | 57.65 | 61.67 | 69.84 | 81.77 | 88.19 | 86.61 | 79.20 | 71.77 | 60.27 | 49.81 | 67.20 | ||||||||||||
1996 | 50.10 | 55.66 | 57.94 | 68.03 | 81.06 | 87.10 | 88.39 | 85.33 | a | 73.50 | 65.52 | 56.07 | 49.45 | 68.18 | ||||||||||||
1997 | 42.45 | 49.57 | 62.68 | 62.10 | 76.52 | 81.73 | 85.39 | 83.13 | 79.86 | a | 66.58 | 55.68 | b | 41.71 | 65.62 | |||||||||||
1998 | 46.42 | 43.43 | 54.13 | 61.03 | 75.32 | 83.13 | 85.48 | 84.42 | 82.80 | 69.13 | 58.37 | 49.52 | 66.10 | |||||||||||||
1999 | 51.58 | 56.96 | 63.68 | 62.93 | 74.87 | 83.60 | 82.32 | 82.16 | 78.70 | 73.90 | 66.17 | 47.81 | 68.72 | |||||||||||||
2000 | 51.84 | 57.93 | 58.10 | 71.23 | 81.74 | 86.40 | 89.26 | 86.39 | 83.47 | 64.65 | 48.03 | 51.42 | 69.20 | |||||||||||||
2001 | 43.48 | 50.21 | 58.68 | 68.43 | 78.29 | 87.90 | 87.61 | 82.90 | 82.17 | 72.45 | 57.63 | 46.58 | 68.03 | |||||||||||||
2002 | 46.48 | 53.21 | 60.19 | 73.10 | 79.29 | 90.57 | 88.23 | 85.74 | 77.50 | 66.87 | 56.77 | 43.79 | b | 68.48 | ||||||||||||
2003 | 53.13 | 49.14 | 55.90 | 67.73 | 79.32 | 85.80 | 93.53 | a | 85.61 | 81.67 | 75.13 | 57.30 | 50.65 | 69.58 | ||||||||||||
2004 | 48.17 | a | 47.26 | b | 65.00 | 63.34 | a | 79.48 | 87.07 | a | 88.00 | e | 82.60 | a | 77.59 | a | 65.52 | 51.13 | 47.42 | 66.88 | ||||||
2005 | 48.65 | 47.57 | 52.55 | 66.13 | 76.26 | 82.67 | 89.77 | 81.61 | 78.87 | 68.84 | 59.40 | 50.26 | 66.88 | |||||||||||||
2006 | 51.70 | a | 55.43 | 54.27 | a | 69.38 | a | 79.55 | 87.30 | 86.23 | 78.00 | 73.23 | 64.97 | 58.27 | 45.52 | 66.99 | ||||||||||
2007 | 42.23 | 48.39 | 60.29 | 66.10 | 72.94 | 85.67 | 87.03 | 83.52 | 78.93 | ----- | z | ----- | z | ----- | z | 69.45 | c | |||||||||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.33 | d | 85.75 | c | 82.38 | v | ----- | z | ----- | z | ----- | z | 85.54 | j |
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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.12 | 49.16 | 55.97 | 64.30 | 74.43 | 83.90 | 86.52 | 83.13 | 77.54 | 67.68 | 55.02 | 46.69 | 66.13 | |||||||||||||
S.D. | 3.70 | 4.45 | 4.54 | 4.38 | 3.74 | 3.42 | 2.30 | 1.99 | 2.80 | 3.87 | 3.43 | 3.31 | 1.64 | |||||||||||||
SKEW | 0.71 | -0.03 | 0.11 | -0.38 | -0.13 | -0.69 | 0.33 | -0.46 | -0.20 | -0.38 | 0.47 | -0.03 | 0.23 | |||||||||||||
MAX | 54.71 | 57.93 | 65.00 | 73.10 | 81.74 | 90.57 | 93.53 | 86.61 | 83.47 | 75.13 | 66.17 | 54.68 | 69.58 | |||||||||||||
MIN | 38.19 | 39.19 | 45.59 | 53.73 | 64.33 | 72.03 | 82.19 | 78.00 | 70.07 | 56.74 | 48.03 | 39.83 | 63.25 | |||||||||||||
YRS | 48 | 48 | 47 | 48 | 49 | 51 | 50 | 49 | 47 | 45 | 46 | 46 | 38 |