YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | 52.00 | x | 53.79 | 61.75 | 64.68 | 74.78 | 75.61 | 76.52 | 70.55 | a | 69.37 | 55.22 | 49.70 | a | 65.20 | b | ||||||||
1951 | 43.37 | 46.41 | 49.94 | 56.53 | 65.89 | 73.33 | 81.95 | 77.19 | 74.42 | 64.82 | 50.02 | 43.71 | 60.63 | |||||||||||||
1952 | 44.71 | 44.66 | 44.32 | 56.07 | 70.28 | f | 74.58 | 79.40 | 77.84 | 76.35 | 68.74 | 48.12 | 42.50 | 59.75 | a | |||||||||||
1953 | 47.05 | 44.96 | 52.02 | 56.08 | 61.02 | a | 76.70 | 80.24 | 77.69 | 74.98 | 63.85 | 53.70 | ----- | z | 62.57 | a | ||||||||||
1954 | 46.68 | 51.23 | 50.15 | 62.50 | 66.78 | a | 73.90 | 79.56 | 73.79 | 73.88 | 65.76 | 55.23 | 46.60 | 62.17 | ||||||||||||
1955 | 39.58 | a | 41.02 | 51.05 | 56.28 | 63.63 | 74.60 | 76.44 | 74.47 | 73.63 | 65.92 | 52.18 | 47.80 | a | 59.72 | |||||||||||
1956 | 48.00 | 41.80 | b | 52.58 | 56.97 | 68.47 | 78.77 | 78.63 | 75.16 | 77.35 | 63.68 | 48.82 | 44.63 | 61.24 | ||||||||||||
1957 | 45.71 | 53.56 | a | 51.20 | a | 55.82 | 61.38 | a | 77.82 | 79.56 | 76.48 | 73.25 | 59.68 | a | ----- | z | ----- | z | 63.45 | b | ||||||
1958 | 42.97 | 49.78 | c | 46.88 | a | 58.02 | b | 72.35 | 78.70 | 80.87 | 79.91 | t | 73.34 | a | 65.13 | a | 54.08 | 53.65 | 61.43 | a | ||||||
1959 | 51.32 | 48.50 | e | 55.13 | a | 65.17 | a | 68.32 | 81.82 | b | 80.68 | 74.84 | 74.62 | b | 66.35 | 54.45 | b | 47.98 | a | 64.10 | ||||||
1960 | 41.73 | 43.80 | b | 57.90 | 62.82 | 68.75 | a | 81.80 | 81.65 | 80.16 | b | 77.75 | b | 63.45 | a | 57.05 | 46.98 | a | 63.65 | |||||||
1961 | 48.82 | a | 50.21 | 53.71 | 61.91 | a | 69.05 | 81.05 | b | 81.03 | a | 77.65 | a | 71.75 | 63.89 | 50.67 | 46.29 | 63.00 | ||||||||
1962 | 45.03 | 49.78 | a | 48.43 | c | 65.71 | b | 66.63 | a | 76.85 | f | 79.69 | g | 82.48 | 75.48 | 65.79 | b | 58.47 | a | 48.79 | c | 60.66 | b | |||
1963 | 44.82 | 53.95 | 53.02 | a | 59.19 | f | 72.03 | b | 75.50 | a | 82.10 | a | 75.12 | a | 75.70 | c | 68.82 | a | 55.02 | d | 48.75 | a | 64.08 | a | ||
1964 | 44.57 | b | 45.00 | b | 49.43 | d | 57.87 | 68.32 | c | 75.56 | d | 80.50 | a | 75.87 | a | 70.66 | b | 67.97 | 50.80 | b | 48.18 | 61.23 | ||||
1965 | 47.38 | r | 47.88 | b | 50.47 | 59.55 | 65.62 | a | 71.77 | d | 77.79 | j | 80.31 | 72.40 | 69.71 | 57.35 | m | 47.53 | a | 62.80 | c | |||||
1966 | 43.81 | 42.93 | 55.44 | 61.68 | 70.61 | 78.02 | 81.86 | b | 75.85 | r | 73.15 | 66.18 | 58.05 | 48.58 | 61.85 | a | ||||||||||
1967 | 48.23 | 52.79 | 57.11 | 56.08 | ----- | z | 73.93 | 79.68 | 78.21 | 73.83 | 68.48 | 59.20 | 42.77 | 62.76 | a | |||||||||||
1968 | 47.18 | 53.31 | 53.18 | 57.78 | 68.30 | a | 79.72 | 78.94 | 74.50 | 73.75 | 67.50 | 54.77 | 46.13 | 62.92 | ||||||||||||
1969 | 50.89 | 46.98 | 50.32 | 61.67 | 74.33 | e | 76.93 | 80.34 | 81.13 | 75.48 | 62.63 | 53.33 | 50.47 | 63.71 | ||||||||||||
1970 | 46.47 | 53.09 | 50.68 | a | 55.27 | 70.97 | 78.92 | 81.84 | 79.40 | 73.02 | 61.18 | 57.80 | 49.69 | 63.19 | ||||||||||||
1971 | 48.61 | 49.66 | 56.03 | a | 55.98 | 65.82 | 78.37 | 83.35 | e | 74.78 | a | 73.60 | 60.52 | 52.90 | 43.24 | 61.91 | ||||||||||
1972 | 48.80 | a | 55.02 | 63.30 | a | 63.35 | 69.44 | 75.70 | c | 81.45 | 77.90 | 73.83 | 61.82 | 50.19 | a | 45.45 | a | 63.85 | ||||||||
1973 | 44.23 | 47.29 | 46.13 | 56.50 | 69.84 | 74.85 | 79.20 | a | 80.47 | 76.67 | 67.56 | 55.53 | 51.40 | 62.47 | ||||||||||||
1974 | 48.42 | 49.00 | 56.13 | 62.43 | a | 70.84 | 84.47 | 78.08 | a | 76.79 | 71.78 | 62.62 | a | 53.38 | 43.88 | a | 63.15 | |||||||||
1975 | 46.69 | 46.80 | 49.15 | a | 52.63 | 64.68 | 76.33 | a | 76.55 | a | 79.66 | 73.42 | 64.82 | 55.65 | 47.55 | 61.16 | ||||||||||
1976 | 47.31 | 50.60 | 51.43 | a | 57.00 | 66.63 | a | 76.95 | 76.27 | 78.02 | 71.52 | 60.98 | 53.38 | 47.68 | 61.48 | |||||||||||
1977 | 45.32 | a | 51.86 | 50.10 | 62.12 | 65.71 | j | 78.35 | 79.77 | 79.66 | 75.48 | 67.48 | 57.55 | a | 52.94 | 63.69 | a | |||||||||
1978 | 47.85 | 47.70 | 54.76 | 58.00 | 66.06 | 79.58 | 78.98 | 76.29 | 69.80 | 64.48 | 51.32 | 41.60 | 61.37 | |||||||||||||
1979 | 40.70 | a | 45.96 | 48.70 | a | 58.20 | 63.53 | a | 74.63 | 77.35 | 73.42 | 76.03 | 66.05 | 49.70 | 48.31 | 60.22 | ||||||||||
1980 | 45.52 | 49.24 | 48.37 | 57.80 | 61.73 | 77.88 | 80.74 | 75.24 | 72.00 | 61.19 | 53.55 | 51.55 | 61.23 | |||||||||||||
1981 | 47.35 | 50.29 | 49.69 | 62.10 | 66.08 | 81.22 | 79.03 | 78.81 | 73.55 | 61.26 | 56.52 | 49.76 | 62.97 | |||||||||||||
1982 | 44.90 | b | 48.86 | 50.48 | 59.67 | a | 65.34 | 73.83 | 78.37 | a | 77.73 | c | 72.95 | 62.31 | 51.22 | a | 43.34 | 60.75 | ||||||||
1983 | 46.00 | 46.34 | 48.85 | 52.30 | b | 66.77 | a | 73.67 | 79.73 | 75.90 | 74.43 | a | 61.52 | a | 50.32 | 47.10 | 60.24 | |||||||||
1984 | 45.00 | 47.57 | 53.92 | 57.32 | b | 73.18 | 75.73 | 75.00 | 74.97 | 72.98 | 58.52 | 51.28 | 44.39 | 60.82 | ||||||||||||
1985 | 42.34 | 44.95 | 52.21 | 61.38 | 68.05 | 78.85 | 80.31 | 77.38 | a | 68.50 | 61.50 | b | 49.68 | 46.26 | 60.95 | |||||||||||
1986 | 51.48 | 48.44 | b | 54.82 | a | 61.53 | a | 68.85 | 78.58 | 76.75 | a | 78.15 | 70.45 | 60.29 | 51.20 | 44.48 | 62.09 | |||||||||
1987 | 43.84 | b | 46.19 | a | 49.15 | a | 62.37 | 65.44 | 79.17 | 79.31 | 76.13 | 71.70 | 67.34 | 50.57 | 42.06 | 61.10 | ||||||||||
1988 | 44.32 | 49.78 | 53.40 | 59.14 | a | 69.45 | 78.64 | a | 80.90 | a | 76.22 | a | 72.08 | 67.65 | a | 52.00 | 44.40 | 62.33 | ||||||||
1989 | 43.24 | 50.00 | 58.21 | 65.93 | a | 71.93 | a | 79.71 | a | 82.55 | a | 77.73 | 76.28 | 63.42 | 53.10 | 45.45 | 63.96 | |||||||||
1990 | 45.16 | 43.38 | 52.77 | 60.79 | b | 66.90 | 82.03 | 77.68 | a | 74.34 | 73.98 | 63.74 | 54.05 | 42.05 | a | 61.41 | ||||||||||
1991 | 43.02 | 50.23 | b | 45.89 | 57.53 | 66.98 | b | 73.63 | 79.97 | a | 77.18 | a | 73.38 | 67.11 | 51.12 | a | 44.53 | a | 60.88 | |||||||
1992 | 43.03 | a | 48.64 | 51.67 | b | 61.92 | 66.84 | 75.19 | a | 77.10 | b | 75.84 | b | 74.37 | 66.84 | 48.38 | 43.21 | 61.09 | ||||||||
1993 | 46.05 | 45.05 | 52.23 | 60.13 | 70.17 | a | 78.84 | a | 79.35 | 76.14 | b | 73.07 | 63.48 | b | 51.47 | a | 44.55 | 61.71 | ||||||||
1994 | 45.35 | 45.09 | a | 51.87 | a | 58.14 | a | 66.52 | 82.30 | c | 82.10 | 81.15 | a | 74.60 | 61.94 | 49.47 | 45.16 | 61.97 | ||||||||
1995 | 42.74 | 50.18 | 51.50 | 55.13 | 64.60 | 75.45 | 81.95 | b | 80.81 | 75.68 | b | 67.21 | 56.20 | b | 46.77 | 62.35 | ||||||||||
1996 | 46.55 | 50.21 | 52.02 | b | 60.97 | 73.35 | 82.10 | a | 81.73 | 79.56 | 70.84 | a | 64.91 | d | 54.21 | a | 45.74 | 63.52 | ||||||||
1997 | 43.15 | 45.95 | 56.23 | 56.42 | 73.37 | 77.18 | b | 80.11 | 78.47 | 76.82 | 62.32 | a | 52.62 | 39.98 | 61.88 | |||||||||||
1998 | 44.97 | 41.14 | 48.18 | 52.75 | 66.02 | b | 76.50 | d | 80.69 | b | 78.57 | b | 75.45 | 65.98 | d | 52.78 | c | 46.14 | b | 60.76 | ||||||
1999 | 49.89 | h | 52.21 | b | 55.13 | a | 52.93 | 68.45 | c | 77.22 | a | 75.69 | b | 77.13 | 74.10 | 68.45 | 58.78 | 43.94 | 64.00 | a | ||||||
2000 | 47.84 | 49.59 | 50.58 | 62.02 | 74.22 | b | 78.43 | b | 81.45 | a | 78.04 | g | 76.31 | a | 60.46 | g | 44.88 | a | 46.92 | 61.22 | b | |||||
2001 | 41.52 | 44.89 | 51.50 | 57.13 | 73.24 | d | 78.80 | b | 77.98 | c | 78.42 | f | 77.78 | c | 66.65 | d | 54.04 | b | 41.05 | 60.42 | a | |||||
2002 | 43.15 | 47.91 | a | 50.58 | 61.65 | 69.87 | a | 80.90 | 81.18 | a | 78.58 | a | 74.85 | 62.15 | a | 53.75 | 43.05 | a | 62.30 | |||||||
2003 | 50.74 | 46.91 | 51.21 | 56.48 | 70.16 | b | 77.55 | a | 82.08 | a | 77.31 | d | 74.67 | 68.74 | b | 51.53 | 46.34 | 62.81 | ||||||||
2004 | 44.56 | 42.98 | 57.29 | 57.10 | a | 70.08 | a | 77.95 | 79.57 | d | 76.52 | b | 76.28 | l | 61.71 | 47.38 | 45.35 | 60.05 | a | |||||||
2005 | 46.63 | 46.14 | 50.27 | 58.97 | 70.63 | 78.28 | c | 83.39 | 76.37 | a | 72.65 | 64.37 | 55.43 | a | 48.06 | 62.60 | ||||||||||
2006 | 47.56 | 50.73 | 50.18 | 60.30 | 71.85 | 81.47 | 80.48 | 74.94 | 69.48 | 62.27 | 55.12 | b | 44.45 | 62.40 | ||||||||||||
2007 | 40.47 | 48.04 | 55.29 | 59.14 | a | 69.58 | 80.00 | 81.08 | 78.78 | k | 75.38 | 66.18 | 58.75 | 42.24 | 61.47 | a | ||||||||||
2008 | 43.23 | 47.71 | 53.16 | 60.05 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.36 | i | 45.55 | a | 49.94 | g | |||
2009 | 47.79 | 49.59 | 54.77 | 58.93 | a | 72.27 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.58 | x | 41.79 | 54.19 | f | |||||
2010 | 44.90 | 45.23 | 50.13 | 56.93 | 65.28 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.50 | j | 49.30 | h | ||||
2011 | 44.54 | r | 47.54 | o | 56.77 | ----- | z | 67.27 | r | 74.10 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.77 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.54 | 47.98 | 52.11 | 58.95 | 68.32 | 77.69 | 79.79 | 77.30 | 73.79 | 64.64 | 53.14 | 46.01 | 61.98 | |||||||||||||
S.D. | 2.67 | 3.25 | 3.37 | 3.18 | 3.27 | 2.76 | 2.01 | 2.10 | 2.10 | 2.82 | 3.16 | 3.00 | 1.13 | |||||||||||||
SKEW | 0.15 | -0.07 | 0.48 | 0.04 | -0.14 | 0.12 | -0.52 | 0.34 | -0.29 | -0.07 | -0.07 | 0.37 | 0.14 | |||||||||||||
MAX | 51.48 | 55.02 | 63.30 | 65.93 | 74.33 | 84.47 | 83.39 | 82.48 | 77.78 | 69.71 | 59.20 | 53.65 | 64.10 | |||||||||||||
MIN | 39.58 | 41.02 | 44.32 | 52.30 | 61.02 | 71.77 | 75.00 | 73.42 | 68.50 | 58.52 | 44.88 | 39.98 | 59.72 | |||||||||||||
YRS | 58 | 60 | 62 | 60 | 56 | 57 | 56 | 53 | 57 | 57 | 56 | 58 | 42 |