YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.05 | 44.05 | k | |
1966 | 42.35 | a | 45.38 | 56.26 | 64.62 | 73.82 | a | 78.95 | 85.08 | 86.15 | 75.79 | a | 64.63 | d | 52.70 | 44.92 | f | 65.97 | a | |||||||
1967 | ----- | z | 50.33 | d | 54.23 | 52.48 | c | 69.83 | b | 74.22 | c | 85.70 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.22 | g | |
1968 | ----- | z | 55.31 | b | 56.10 | 60.73 | 70.34 | 80.07 | 85.56 | 80.65 | 75.32 | 64.98 | 53.15 | 39.55 | 65.61 | a | ||||||||||
1969 | 47.15 | 44.43 | 51.18 | 61.02 | 74.20 | c | 76.61 | b | 84.68 | 86.21 | 78.00 | a | 60.88 | a | 54.20 | 46.29 | 63.74 | |||||||||
1970 | 44.03 | a | 52.44 | a | 54.15 | 56.64 | a | 71.12 | b | 79.80 | c | 87.02 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.60 | e | |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | 60.12 | 70.60 | g | 83.07 | 84.34 | 83.24 | 74.88 | 69.90 | 50.43 | 39.89 | 68.23 | d | ||||||||
1979 | 40.50 | 45.61 | 55.60 | 62.37 | 70.39 | 81.88 | 85.68 | 81.32 | 79.72 | 65.62 | b | 49.62 | 46.60 | 63.74 | ||||||||||||
1980 | 47.55 | 50.22 | 50.27 | 61.53 | n | 65.81 | 76.95 | a | 84.94 | 83.00 | 75.42 | 65.02 | 52.34 | b | 51.27 | a | 63.89 | a | ||||||||
1981 | 48.31 | 51.45 | 54.84 | 63.95 | 72.43 | b | 84.42 | 88.02 | 85.73 | a | 78.95 | a | 61.15 | 56.97 | a | 47.84 | 66.17 | |||||||||
1982 | 45.22 | b | 49.48 | a | 53.03 | a | 60.76 | a | 70.89 | c | 77.67 | 83.35 | a | 85.17 | b | 75.74 | a | 62.74 | b | 49.37 | 45.29 | 63.23 | ||||
1983 | 47.84 | 51.46 | a | 54.38 | a | 57.04 | b | 70.15 | a | 79.65 | 84.61 | 81.00 | b | 78.09 | a | 67.29 | 51.23 | 46.33 | a | 64.09 | ||||||
1984 | 49.40 | 49.38 | 55.58 | g | 61.67 | a | 78.00 | 79.65 | 86.80 | a | 84.11 | c | 80.47 | 60.62 | b | 50.63 | 42.65 | a | 65.76 | a | ||||||
1985 | 44.26 | 47.22 | a | 51.98 | 63.47 | 70.16 | 84.16 | b | 88.47 | 83.31 | 70.09 | b | 63.48 | a | 47.00 | c | 48.47 | b | 63.51 | |||||||
1986 | 51.60 | 54.28 | a | 60.60 | b | 63.28 | a | 73.52 | b | 84.45 | 81.61 | d | 86.25 | a | 69.85 | 61.75 | a | 53.31 | a | 44.74 | 65.44 | |||||
1987 | 43.23 | a | 49.77 | b | 52.00 | b | 66.63 | d | 70.73 | a | 81.89 | c | 80.88 | a | 84.18 | a | 77.90 | a | 72.85 | a | 53.54 | c | 38.81 | b | 64.37 | |
1988 | 41.32 | 51.21 | 55.13 | 60.73 | 70.03 | a | 80.88 | 88.94 | 84.23 | a | 75.10 | 72.84 | 55.22 | 46.52 | a | 65.18 | ||||||||||
1989 | 43.94 | d | 49.09 | 60.15 | a | 71.48 | 71.95 | a | 80.62 | 88.07 | b | 82.43 | b | 75.71 | a | 65.95 | a | 58.09 | a | 50.29 | 66.48 | |||||
1990 | 46.19 | 48.26 | a | 59.10 | a | 67.37 | 71.03 | 80.93 | 87.77 | 84.52 | 79.60 | 68.19 | 56.12 | a | 41.65 | 65.89 | ||||||||||
1991 | 46.26 | b | 56.39 | 51.05 | 61.72 | a | 66.76 | 77.43 | 86.50 | 84.60 | b | 80.47 | 71.53 | 55.93 | 47.33 | a | 65.50 | |||||||||
1992 | 45.93 | b | 52.88 | a | 55.24 | 66.30 | 75.32 | 78.40 | 83.67 | a | 86.37 | 79.05 | a | 70.10 | 51.15 | 42.60 | a | 65.58 | ||||||||
1993 | 44.46 | d | 47.80 | 57.79 | 62.82 | 72.94 | 77.78 | a | 83.20 | a | 84.48 | 77.20 | 67.97 | 51.37 | 46.48 | 64.52 | ||||||||||
1994 | 49.73 | 47.62 | 62.35 | 65.32 | 71.97 | a | 85.03 | a | 89.90 | 89.10 | a | 78.90 | 65.42 | 47.70 | 46.79 | 66.65 | ||||||||||
1995 | 47.17 | b | 58.39 | 55.53 | 62.33 | a | 68.07 | a | 77.42 | 86.81 | 87.60 | 80.98 | 68.66 | 59.42 | 47.39 | 66.65 | ||||||||||
1996 | 46.26 | 52.69 | 56.72 | b | 65.41 | c | 71.77 | c | 81.50 | b | 89.48 | b | 86.87 | a | 75.43 | c | 64.12 | e | 53.60 | 46.15 | 65.83 | |||||
1997 | 47.43 | b | 50.46 | 58.90 | a | 62.52 | d | 77.06 | 79.38 | e | 83.54 | d | 85.45 | a | 78.43 | b | 64.21 | e | 53.02 | 43.73 | a | 65.34 | ||||
1998 | 45.78 | a | 46.07 | a | 53.34 | b | 57.22 | c | 64.45 | c | 74.80 | c | 87.15 | a | 88.78 | d | 77.30 | b | 62.46 | d | 52.38 | a | 46.38 | a | 63.01 | |
1999 | 48.35 | a | 50.18 | c | 55.38 | b | 57.24 | c | 71.09 | d | 79.72 | a | 84.85 | e | 84.02 | c | 78.08 | d | 68.58 | a | 56.67 | 47.66 | 65.15 | |||
2000 | 47.80 | a | 51.21 | c | 56.30 | c | 66.84 | b | 76.96 | e | 83.90 | d | 86.68 | a | 86.47 | b | 77.70 | b | 65.17 | b | 48.93 | 47.58 | 66.30 | |||
2001 | 44.57 | c | 46.98 | b | 58.58 | a | 60.67 | d | 78.50 | a | 82.33 | 86.17 | d | 88.23 | c | 80.21 | b | 69.02 | a | 56.05 | b | 44.21 | 66.29 | |||
2002 | 44.44 | 51.07 | a | 52.86 | c | 65.04 | d | 73.48 | c | 84.29 | d | 90.72 | b | 85.16 | c | 79.20 | b | 64.71 | 55.10 | 44.95 | a | 65.92 | ||||
2003 | 53.07 | a | 49.42 | c | 56.93 | b | 58.58 | e | 73.32 | c | 83.50 | d | 91.12 | b | 86.84 | b | 81.63 | d | 72.19 | b | 48.70 | 44.95 | 66.69 | |||
2004 | 45.18 | a | 46.52 | a | 62.46 | h | 65.16 | a | 72.64 | c | 83.14 | b | 88.37 | a | 85.47 | b | 77.58 | 64.37 | e | 51.71 | a | 46.08 | a | 66.02 | a | |
2005 | 49.64 | c | 50.20 | c | 54.50 | b | 59.67 | 73.53 | 79.36 | a | 90.52 | f | 86.68 | 74.38 | a | 66.39 | h | 56.40 | d | 45.54 | c | 62.99 | b | |||
2006 | 46.10 | a | 52.24 | c | 50.88 | a | 63.38 | a | 77.28 | b | 84.24 | g | 91.70 | c | 83.81 | d | 77.00 | 64.15 | a | 57.30 | e | ----- | z | 66.38 | b | |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.79 | x | ----- | z |
2008 | 42.73 | r | 48.47 | k | 53.90 | p | 57.88 | r | 68.39 | 81.13 | 88.53 | 88.00 | 78.65 | 66.11 | 57.21 | a | 42.69 | 71.34 | d | |||||||
2009 | 47.73 | 46.72 | a | 54.13 | 60.88 | a | 77.06 | 77.95 | 89.98 | 83.44 | 80.08 | 61.72 | a | 53.23 | 40.73 | 64.47 | ||||||||||
2010 | 44.08 | 48.32 | 53.31 | 57.50 | 64.92 | 81.03 | a | 89.52 | 84.08 | 77.42 | 65.71 | 50.67 | 46.66 | 63.60 | ||||||||||||
2011 | 44.53 | 45.36 | 53.60 | 61.81 | a | 65.90 | 78.38 | a | 85.79 | 84.77 | 78.35 | 65.76 | 48.33 | 43.29 | 62.99 | |||||||||||
2012 | 45.89 | 49.47 | 53.78 | a | 63.48 | 74.15 | 82.37 | 86.29 | 88.45 | 80.18 | 65.79 | 55.07 | 44.65 | 65.80 | ||||||||||||
2013 | 41.83 | a | 46.30 | 58.87 | 64.72 | 72.10 | 83.83 | 89.52 | 84.00 | 77.83 | 60.63 | 52.62 | 44.52 | 64.73 | ||||||||||||
2014 | 50.16 | 51.36 | 56.89 | 63.22 | 73.34 | 82.62 | 89.46 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.72 | e | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.20 | 49.82 | 55.30 | 62.21 | 71.88 | 80.53 | 86.79 | 85.11 | 77.54 | 65.85 | 53.06 | 45.15 | 65.06 | |||||||||||||
S.D. | 2.79 | 3.14 | 2.89 | 3.59 | 3.52 | 2.77 | 2.62 | 2.09 | 2.60 | 3.42 | 3.13 | 2.79 | 1.19 | |||||||||||||
SKEW | 0.22 | 0.55 | 0.40 | -0.19 | -0.17 | -0.27 | -0.18 | -0.07 | -1.15 | 0.43 | -0.01 | -0.35 | -0.32 | |||||||||||||
MAX | 53.07 | 58.39 | 62.35 | 71.48 | 78.50 | 85.03 | 91.70 | 89.10 | 81.63 | 72.85 | 59.42 | 51.27 | 66.69 | |||||||||||||
MIN | 40.50 | 44.43 | 50.27 | 52.48 | 64.45 | 74.22 | 80.88 | 80.65 | 69.85 | 60.62 | 47.00 | 38.81 | 62.99 | |||||||||||||
YRS | 37 | 39 | 37 | 39 | 40 | 40 | 39 | 38 | 38 | 37 | 38 | 37 | 29 |