YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | 65.50 | x | 68.74 | 78.30 | 82.45 | 92.67 | 87.26 | 91.55 | 87.10 | 86.71 | 72.83 | 66.71 | 81.43 | b | ||||||||||
1951 | 56.61 | 59.89 | 63.87 | 71.20 | 82.97 | 92.00 | 96.06 | 89.97 | 91.27 | 79.32 | 63.47 | 55.10 | 75.14 | |||||||||||||
1952 | 57.29 | 57.41 | 56.29 | 70.63 | 85.39 | 92.70 | 95.00 | 91.48 | 91.03 | 86.29 | 61.67 | 55.71 | 75.07 | |||||||||||||
1953 | 62.35 | 60.21 | 67.48 | 72.90 | 78.73 | a | 95.03 | 93.55 | 93.16 | 92.97 | 80.03 | 69.00 | ----- | z | 78.68 | a | ||||||||||
1954 | 61.29 | 66.61 | 63.58 | 80.17 | 83.90 | a | 91.70 | 92.74 | 86.55 | 89.03 | 82.13 | 72.10 | 61.65 | 77.62 | ||||||||||||
1955 | 51.77 | a | 56.14 | 67.29 | 74.50 | 81.39 | 91.60 | 91.19 | 86.48 | 90.83 | 83.48 | 69.83 | 64.17 | a | 75.72 | |||||||||||
1956 | 63.00 | 57.41 | b | 70.84 | 72.80 | 86.77 | 94.90 | 92.81 | 90.74 | 94.20 | 80.94 | 65.17 | 59.26 | 77.40 | ||||||||||||
1957 | 56.74 | 67.37 | a | 64.40 | a | 71.60 | 77.57 | a | 93.93 | 92.97 | 89.48 | 89.77 | 72.53 | a | ----- | z | ----- | z | 77.64 | b | ||||||
1958 | 57.35 | 60.88 | c | 56.71 | 70.17 | a | 84.94 | 91.83 | 92.90 | 90.82 | t | 85.07 | a | 74.63 | a | 64.73 | 64.65 | 73.08 | a | |||||||
1959 | 62.42 | 59.96 | e | 67.97 | a | 78.03 | a | 82.68 | 95.07 | b | 94.10 | 84.84 | 86.71 | b | 79.10 | 64.82 | b | 56.77 | a | 76.04 | ||||||
1960 | 51.23 | 54.07 | b | 69.84 | 75.80 | 82.43 | a | 94.77 | 94.06 | 92.41 | b | 90.29 | b | 74.83 | a | 68.63 | 57.50 | a | 75.49 | |||||||
1961 | 58.03 | a | 61.11 | 65.42 | 75.34 | a | 83.29 | 94.93 | b | 93.53 | a | 89.37 | a | 83.40 | 74.77 | 60.77 | 55.29 | 74.60 | ||||||||
1962 | 54.55 | 60.81 | a | 59.61 | c | 78.79 | b | 80.83 | a | 91.38 | f | 92.42 | g | 94.87 | 86.77 | 77.31 | b | 69.34 | a | 58.29 | c | 72.12 | b | |||
1963 | 55.45 | 64.43 | 65.40 | a | 71.60 | e | 86.07 | b | 90.14 | a | 94.60 | a | 85.83 | a | 87.00 | b | 80.57 | a | 66.12 | d | 60.17 | a | 75.61 | |||
1964 | 57.52 | b | 56.85 | b | 61.44 | d | 71.00 | 83.54 | c | 90.58 | d | 93.33 | a | 86.83 | a | 81.57 | b | 79.26 | 62.71 | b | 58.26 | 73.57 | ||||
1965 | 58.31 | r | 60.19 | b | 62.29 | 72.00 | 79.47 | a | 85.46 | d | 89.86 | j | 92.06 | 84.97 | 82.71 | 68.06 | m | 58.40 | a | 75.28 | c | |||||
1966 | 55.10 | 54.96 | 67.94 | 74.30 | 85.10 | 91.97 | 93.14 | b | 86.92 | r | 84.63 | 78.42 | 70.80 | 60.87 | 74.29 | a | ||||||||||
1967 | 61.32 | 65.86 | 71.00 | 70.00 | 82.23 | 87.93 | 91.61 | 90.74 | 85.47 | 82.29 | 71.03 | 53.71 | 76.10 | |||||||||||||
1968 | 59.81 | 64.97 | 64.55 | 70.50 | 81.77 | a | 92.97 | 90.52 | 86.58 | 87.60 | 81.81 | 67.80 | 58.06 | 75.58 | ||||||||||||
1969 | 62.61 | 59.00 | 63.29 | 75.90 | 83.90 | 90.30 | 92.68 | 93.81 | 87.20 | 75.58 | 65.10 | 62.32 | 75.97 | |||||||||||||
1970 | 57.77 | 65.39 | 62.00 | a | 68.80 | 84.06 | 92.57 | 95.29 | 90.90 | 83.37 | 74.35 | 70.87 | 62.29 | 75.64 | ||||||||||||
1971 | 61.13 | 61.82 | 69.20 | a | 70.83 | 79.58 | 90.40 | 95.65 | e | 86.10 | a | 85.37 | 72.87 | 64.17 | 53.16 | 74.19 | ||||||||||
1972 | 60.03 | a | 67.07 | 74.94 | 76.93 | 82.81 | 88.67 | c | 94.10 | 89.55 | 85.70 | 72.35 | 61.43 | 56.50 | a | 75.84 | ||||||||||
1973 | 55.58 | 56.86 | 57.03 | 69.57 | 83.35 | 89.90 | 91.13 | a | 91.16 | 89.30 | 81.29 | 69.00 | 63.94 | 74.84 | ||||||||||||
1974 | 59.52 | 62.39 | 68.35 | 75.38 | a | 84.32 | 96.37 | 90.00 | a | 89.48 | 82.77 | 74.17 | a | 66.57 | 56.20 | a | 75.46 | |||||||||
1975 | 60.00 | 59.89 | 63.50 | a | 68.10 | 80.35 | 90.27 | 90.52 | 92.39 | 85.03 | 80.13 | 69.70 | 61.19 | 75.09 | ||||||||||||
1976 | 61.26 | 64.72 | 65.80 | a | 72.63 | 81.39 | 93.07 | 90.26 | 91.74 | 83.57 | 72.32 | 66.07 | 58.94 | 75.15 | ||||||||||||
1977 | 55.30 | a | 63.86 | 63.71 | 76.10 | 78.61 | 91.80 | 91.97 | 91.19 | 87.43 | 78.74 | 70.07 | a | 62.35 | 75.93 | |||||||||||
1978 | 57.48 | 57.39 | 66.77 | 73.30 | 81.48 | 95.00 | 93.68 | 92.52 | 86.30 | 79.52 | 62.87 | 52.45 | 74.90 | |||||||||||||
1979 | 49.48 | 58.93 | 61.61 | 74.20 | 79.10 | 91.40 | 93.87 | 87.55 | 90.13 | 81.13 | 62.90 | 60.61 | 74.24 | |||||||||||||
1980 | 55.87 | 60.38 | 60.48 | 72.80 | 78.03 | 95.40 | 95.84 | 89.68 | 87.83 | 76.19 | 67.60 | 64.26 | 75.36 | |||||||||||||
1981 | 58.39 | 64.11 | 61.58 | 76.57 | 80.94 | 95.40 | 91.58 | 91.10 | 86.53 | 75.55 | 70.90 | 63.10 | 76.31 | |||||||||||||
1982 | 56.66 | b | 60.46 | 63.81 | 73.90 | a | 80.52 | 90.83 | 91.67 | a | 90.32 | c | 86.03 | 77.71 | 61.62 | a | 53.68 | 73.93 | ||||||||
1983 | 57.35 | 58.25 | 60.13 | 65.50 | b | 82.33 | a | 89.63 | 94.77 | 88.29 | 86.24 | a | 72.77 | a | 61.70 | 57.71 | 72.89 | |||||||||
1984 | 56.68 | 61.72 | 68.71 | 71.21 | a | 88.00 | 90.33 | 90.19 | 86.74 | 84.93 | 70.26 | 64.87 | 54.81 | 74.04 | ||||||||||||
1985 | 51.45 | 58.04 | 65.58 | 76.63 | 83.61 | 93.97 | 92.71 | 89.03 | a | 81.67 | 73.48 | b | 61.47 | 57.71 | 73.78 | |||||||||||
1986 | 62.45 | 59.15 | b | 66.37 | a | 73.45 | a | 81.71 | 90.97 | 87.63 | a | 88.97 | 83.20 | 72.13 | 60.67 | 53.71 | 73.37 | |||||||||
1987 | 55.10 | b | 56.00 | a | 60.65 | 74.27 | 78.26 | 92.23 | 92.81 | 87.03 | 83.10 | 78.74 | 60.50 | 51.71 | 72.53 | |||||||||||
1988 | 54.52 | 60.69 | 65.68 | 71.48 | a | 82.90 | 92.76 | a | 92.83 | a | 86.17 | a | 84.53 | 78.17 | a | 63.33 | 54.03 | 73.92 | ||||||||
1989 | 53.16 | 60.54 | 70.39 | 79.17 | a | 85.17 | a | 92.59 | a | 94.93 | a | 88.90 | 89.23 | 75.39 | 64.27 | 56.68 | 75.87 | |||||||||
1990 | 56.19 | 55.36 | 64.06 | 72.54 | b | 80.74 | 95.60 | 87.80 | a | 84.65 | 85.17 | 78.13 | 65.10 | 50.77 | a | 73.01 | ||||||||||
1991 | 52.39 | 60.88 | b | 57.55 | 70.03 | 81.21 | b | 88.60 | 91.80 | a | 88.23 | a | 84.87 | 78.77 | 62.21 | a | 52.03 | 72.38 | ||||||||
1992 | 51.70 | a | 57.83 | 63.48 | b | 74.23 | 78.29 | 88.34 | a | 88.94 | 88.28 | b | 86.37 | 80.87 | 59.57 | 51.68 | 72.46 | |||||||||
1993 | 53.65 | 54.39 | 63.42 | 72.40 | 82.93 | a | 91.21 | a | 90.48 | 87.55 | b | 84.93 | 73.77 | a | 62.14 | a | 54.45 | 72.61 | ||||||||
1994 | 55.61 | 55.56 | a | 63.40 | a | 69.76 | a | 80.23 | 95.04 | c | 94.03 | 91.77 | 85.23 | 73.68 | 60.27 | 53.65 | 73.18 | |||||||||
1995 | 51.39 | 60.29 | 62.16 | 67.60 | 76.97 | 89.20 | 94.50 | a | 92.10 | 86.47 | 80.29 | 67.43 | b | 57.19 | 73.80 | |||||||||||
1996 | 57.81 | 59.79 | 63.59 | b | 73.07 | 86.87 | 94.48 | a | 93.32 | 91.58 | 81.45 | a | 75.57 | c | 64.10 | 56.74 | 74.86 | |||||||||
1997 | 51.68 | 56.96 | 68.52 | 68.07 | 85.45 | 90.79 | b | 92.48 | 90.03 | 88.67 | 75.37 | a | 63.97 | 48.19 | 73.35 | |||||||||||
1998 | 55.29 | 50.21 | 59.94 | 65.13 | 79.55 | b | 89.85 | c | 92.14 | b | 89.76 | b | 87.23 | 78.63 | d | 67.66 | a | 56.97 | b | 72.70 | ||||||
1999 | 61.54 | c | 66.38 | b | 69.57 | a | 66.03 | 81.25 | c | 89.62 | a | 85.76 | b | 88.35 | 85.63 | 81.06 | 70.90 | 53.77 | 74.99 | |||||||
2000 | 58.71 | 61.90 | 62.52 | 75.30 | 87.79 | b | 89.54 | b | 92.23 | a | 89.04 | g | 88.69 | a | 70.67 | g | 55.00 | a | 58.10 | 72.98 | b | |||||
2001 | 50.68 | 55.96 | 62.71 | 70.30 | 84.85 | d | 91.96 | b | 89.04 | c | 89.28 | f | 89.04 | c | 78.56 | d | 64.46 | b | 51.32 | 71.72 | a | |||||
2002 | 53.61 | 59.79 | 63.32 | 74.67 | 83.60 | a | 93.47 | 92.73 | a | 89.57 | a | 85.23 | 73.73 | a | 64.07 | 52.61 | 73.87 | |||||||||
2003 | 62.35 | 56.21 | 62.42 | 69.53 | 84.48 | b | 91.52 | a | 94.37 | a | 87.81 | d | 85.53 | 80.34 | b | 61.97 | 56.29 | 74.40 | ||||||||
2004 | 53.87 | 54.00 | 68.45 | 68.17 | 83.77 | a | 91.00 | 91.22 | d | 87.79 | b | 87.16 | k | 73.13 | 56.70 | 54.84 | 71.18 | a | ||||||||
2005 | 55.74 | 53.68 | 60.52 | 72.13 | 83.35 | 91.89 | c | 95.00 | 86.77 | a | 85.53 | 76.68 | 66.38 | a | 59.39 | 73.92 | ||||||||||
2006 | 59.16 | 62.75 | 61.39 | 74.13 | 85.00 | 93.90 | 91.03 | 84.68 | 80.07 | 74.13 | 67.00 | b | 55.26 | 74.04 | ||||||||||||
2007 | 50.29 | 58.68 | 66.81 | 72.00 | a | 83.16 | 92.60 | 92.03 | 89.20 | k | 86.77 | 78.26 | 69.27 | 52.13 | 72.91 | a | ||||||||||
2008 | 52.90 | 59.03 | 65.13 | 73.07 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.05 | i | 56.00 | a | 61.23 | g | |||
2009 | 57.77 | 61.64 | 67.10 | 71.20 | 84.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.50 | x | 51.10 | 65.47 | f | ||||||
2010 | 54.42 | 55.04 | 61.16 | 69.27 | 78.10 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.57 | j | 59.97 | h | ||||
2011 | 55.69 | r | 59.50 | n | 68.94 | ----- | z | 79.85 | r | 88.40 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.94 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 56.62 | 59.70 | 64.52 | 72.54 | 82.46 | 91.98 | 92.36 | 89.33 | 86.42 | 77.56 | 65.26 | 56.97 | 74.61 | |||||||||||||
S.D. | 3.63 | 3.76 | 3.84 | 3.34 | 2.59 | 2.29 | 2.24 | 2.46 | 2.85 | 3.71 | 3.95 | 4.11 | 1.29 | |||||||||||||
SKEW | 0.01 | 0.09 | 0.10 | 0.05 | -0.09 | -0.20 | -0.78 | -0.02 | 0.36 | 0.24 | -0.13 | 0.31 | 0.10 | |||||||||||||
MAX | 63.00 | 67.37 | 74.94 | 80.17 | 88.00 | 96.37 | 96.06 | 94.87 | 94.20 | 86.71 | 72.83 | 66.71 | 77.62 | |||||||||||||
MIN | 49.48 | 50.21 | 56.29 | 65.13 | 76.97 | 85.46 | 85.76 | 84.65 | 80.07 | 70.26 | 55.00 | 48.19 | 72.38 | |||||||||||||
YRS | 59 | 60 | 62 | 61 | 59 | 57 | 56 | 53 | 57 | 57 | 56 | 58 | 47 |