YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.55 | 36.55 | k | |
1973 | 35.94 | 42.35 | a | 43.50 | a | 53.30 | 65.68 | 72.47 | 77.32 | 75.66 | 67.62 | 59.21 | 44.73 | 41.42 | 56.60 | |||||||||||
1974 | 34.98 | 41.71 | 49.85 | 52.40 | 65.08 | 73.15 | 77.74 | 74.94 | 73.17 | 59.95 | 47.80 | 37.97 | 57.40 | |||||||||||||
1975 | 39.47 | 41.32 | 43.63 | 46.37 | 60.71 | 70.48 | 77.30 | a | 73.16 | 72.24 | c | 54.76 | j | 46.72 | 44.95 | 56.03 | a | |||||||||
1976 | 42.98 | 45.52 | 44.94 | d | 51.68 | 64.45 | a | 69.45 | 76.71 | 72.18 | 69.63 | 59.50 | 52.82 | 43.21 | 57.76 | |||||||||||
1977 | 41.56 | 48.59 | 43.97 | 57.80 | 56.89 | 75.63 | 77.74 | 77.55 | 68.60 | 62.85 | 51.33 | 45.69 | 59.02 | |||||||||||||
1978 | 43.03 | 45.15 | a | 52.31 | 53.28 | 62.73 | 72.43 | 77.34 | 77.21 | 68.18 | 64.95 | 47.30 | 37.74 | 58.47 | ||||||||||||
1979 | 35.26 | 41.34 | 49.02 | 55.82 | 65.42 | 72.37 | 78.15 | 75.53 | b | 73.80 | 61.69 | 46.90 | 44.73 | 58.33 | ||||||||||||
1980 | 44.21 | 47.50 | 45.94 | 55.80 | 60.12 | a | 68.75 | 79.60 | 76.69 | 71.88 | 61.48 | 51.38 | a | 48.28 | a | 59.30 | ||||||||||
1981 | 44.63 | 46.96 | 48.71 | 59.72 | 65.13 | a | 78.07 | 79.03 | 78.45 | 72.23 | 57.00 | 50.82 | 44.89 | 60.47 | ||||||||||||
1982 | 40.13 | 45.05 | 46.84 | 54.32 | b | 64.92 | 70.31 | a | 76.98 | 77.00 | 68.52 | a | 57.05 | 44.80 | 40.85 | 57.23 | ||||||||||
1983 | 43.88 | a | 45.36 | 47.50 | 50.14 | a | 62.64 | b | 71.75 | 75.32 | 74.71 | 72.75 | 61.03 | a | 47.28 | 41.85 | 57.85 | |||||||||
1984 | 45.56 | 44.62 | a | 51.03 | 54.50 | 70.00 | 72.40 | 80.74 | 77.74 | d | ----- | z | 50.45 | t | 46.26 | a | 34.95 | 57.78 | b | |||||||
1985 | 39.90 | 43.81 | a | 47.10 | b | 60.30 | 64.31 | 75.62 | 81.79 | 76.08 | 65.16 | a | 59.30 | a | 43.67 | f | 44.37 | 59.79 | a | |||||||
1986 | 47.44 | 47.70 | 54.02 | 56.64 | a | 66.11 | 74.70 | 75.92 | 79.27 | a | 64.80 | 57.81 | 50.68 | b | 42.00 | 59.76 | ||||||||||
1987 | 37.97 | b | 44.30 | a | 47.47 | a | 60.16 | b | 65.63 | a | 74.52 | 74.13 | 77.00 | 72.05 | a | 64.10 | b | 48.07 | 36.02 | b | 58.45 | |||||
1988 | 38.00 | 47.07 | b | 49.82 | a | 55.78 | 63.60 | a | 73.75 | 81.83 | a | 78.21 | 70.79 | a | 67.10 | 49.23 | b | 39.77 | c | 59.58 | ||||||
1989 | 38.82 | a | 41.79 | 53.50 | a | 64.35 | c | 66.06 | 74.38 | 81.73 | 75.89 | 70.08 | 59.29 | 52.47 | 45.24 | 60.30 | ||||||||||
1990 | 41.43 | b | 43.96 | d | 53.53 | a | 60.82 | 64.57 | a | 74.92 | 81.45 | a | 77.60 | 73.22 | 62.29 | 50.96 | c | 36.04 | c | 60.06 | ||||||
1991 | 41.52 | a | 51.04 | a | 45.62 | c | 54.25 | b | 61.24 | b | 71.45 | 80.00 | a | 78.34 | 74.69 | a | 64.76 | 51.07 | c | 42.58 | a | 59.71 | ||||
1992 | 42.04 | c | 47.55 | 50.13 | a | 61.22 | 68.81 | 72.34 | a | 77.79 | 80.05 | 72.08 | 64.12 | a | 46.34 | a | 37.35 | a | 59.99 | |||||||
1993 | 39.41 | c | 42.68 | 54.27 | c | 58.12 | a | 66.07 | b | 72.83 | a | 77.00 | 77.66 | 70.77 | 61.02 | a | 46.52 | c | 40.71 | b | 58.92 | |||||
1994 | 44.12 | a | 41.70 | 55.34 | b | 58.05 | a | 65.88 | a | 77.17 | 82.18 | 80.94 | 71.32 | 59.02 | 41.28 | a | 41.23 | 59.85 | ||||||||
1995 | 41.58 | 52.74 | a | 49.50 | a | 54.87 | 61.35 | a | 69.79 | a | 79.11 | 79.06 | 73.43 | 62.18 | a | 55.97 | 43.82 | 60.28 | ||||||||
1996 | 42.58 | 48.57 | a | 51.76 | 59.82 | 67.23 | 76.08 | 83.94 | 81.27 | 70.85 | 58.73 | 50.40 | 43.55 | 61.23 | ||||||||||||
1997 | 41.76 | 45.48 | 54.35 | 56.63 | 70.87 | 73.40 | 77.92 | 78.94 | 72.93 | 60.16 | 49.35 | 40.03 | 60.15 | |||||||||||||
1998 | 42.35 | 41.88 | 48.93 | a | 52.07 | 57.77 | 67.60 | 80.34 | 80.98 | 70.80 | 57.23 | 47.72 | 41.81 | 57.46 | ||||||||||||
1999 | 43.50 | 44.79 | 50.35 | 51.57 | 65.23 | 72.27 | 78.31 | 77.11 | 72.40 | 64.06 | 52.42 | 43.71 | 59.64 | |||||||||||||
2000 | 43.55 | 45.24 | 50.32 | 59.92 | 68.69 | 76.00 | b | 77.93 | b | 78.12 | f | 72.18 | s | 55.95 | j | 44.96 | b | 44.72 | a | 56.81 | c | |||||
2001 | 40.54 | c | 40.92 | b | 52.30 | a | 54.38 | b | 71.65 | a | 75.44 | c | 76.06 | e | 80.25 | a | 73.42 | 64.33 | e | ----- | z | 41.40 | a | 60.97 | a | |
2002 | 40.56 | e | 45.74 | a | 47.48 | d | 58.48 | c | 64.73 | c | 76.29 | d | 83.34 | b | 77.74 | b | 72.74 | e | 59.65 | d | 50.88 | b | 39.33 | a | 59.75 | |
2003 | 48.61 | c | 43.10 | g | 51.10 | b | 52.58 | e | 66.80 | c | 76.88 | b | 83.72 | d | ----- | z | 75.06 | c | 67.85 | e | 45.40 | f | 39.79 | e | 62.49 | c |
2004 | 42.09 | c | 41.57 | f | 58.72 | a | 57.47 | 67.45 | 75.94 | c | 79.03 | a | 78.62 | a | 71.07 | 59.21 | 46.93 | 43.71 | 61.84 | a | ||||||
2005 | 43.61 | 46.05 | 53.62 | w | 54.72 | 66.95 | 71.87 | 83.42 | 78.90 | a | 67.93 | o | 61.47 | 52.87 | c | 43.70 | a | 60.36 | b | |||||||
2006 | 42.50 | 45.82 | 44.95 | 55.78 | 68.85 | a | 77.33 | a | 84.77 | 77.76 | 71.35 | 58.47 | 50.87 | 40.74 | 59.93 | |||||||||||
2007 | 39.31 | 46.13 | a | 56.11 | i | 59.03 | 67.06 | 74.15 | 83.98 | 78.87 | 70.43 | 59.32 | 52.66 | b | 38.60 | a | 60.87 | a | ||||||||
2008 | 37.45 | 43.81 | 51.34 | 55.00 | a | 63.64 | c | 73.72 | 80.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.87 | e | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.45 | 45.12 | 49.68 | 56.03 | 65.12 | 73.49 | 79.44 | 77.62 | 71.19 | 61.13 | 49.06 | 41.48 | 59.13 | |||||||||||||
S.D. | 3.08 | 2.79 | 3.67 | 3.65 | 3.28 | 2.57 | 2.77 | 2.10 | 2.43 | 2.86 | 3.14 | 3.17 | 1.19 | |||||||||||||
SKEW | -0.10 | 0.59 | 0.20 | -0.17 | -0.44 | -0.29 | 0.28 | -0.50 | -0.96 | 0.59 | -0.19 | -0.23 | -0.49 | |||||||||||||
MAX | 48.61 | 52.74 | 58.72 | 64.35 | 71.65 | 78.07 | 84.77 | 81.27 | 75.06 | 67.85 | 55.97 | 48.28 | 61.23 | |||||||||||||
MIN | 34.98 | 40.92 | 43.50 | 46.37 | 56.89 | 67.60 | 74.13 | 72.18 | 64.80 | 57.00 | 41.28 | 34.95 | 56.60 | |||||||||||||
YRS | 36 | 34 | 34 | 36 | 36 | 36 | 36 | 33 | 32 | 32 | 32 | 36 | 26 |