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 | 49.23 | 49.23 | k | |
1973 | 47.81 | 52.89 | 54.23 | a | 68.80 | 82.48 | 90.57 | 97.52 | 93.84 | 86.47 | 76.35 | 59.80 | 55.65 | 72.20 | ||||||||||||
1974 | 45.35 | 57.32 | 64.58 | 68.50 | 82.87 | 93.53 | 94.55 | 94.10 | 92.67 | 75.48 | 62.43 | 50.77 | 73.51 | |||||||||||||
1975 | 54.13 | 54.96 | 57.55 | 60.67 | 77.55 | 88.63 | 95.83 | a | 93.00 | 88.97 | 74.16 | 62.20 | 59.03 | 72.22 | ||||||||||||
1976 | 59.13 | 58.79 | 60.52 | 67.03 | 82.30 | a | 87.67 | 94.55 | 89.29 | 83.93 | 76.55 | 70.27 | 59.90 | 74.16 | ||||||||||||
1977 | 53.58 | 65.82 | 60.55 | 76.00 | 71.42 | 92.23 | 97.16 | 93.97 | 85.07 | 80.35 | 67.37 | 58.94 | 75.20 | |||||||||||||
1978 | 53.29 | 56.74 | a | 65.35 | 66.87 | 79.90 | 90.67 | 97.29 | 95.81 | 85.30 | 83.00 | 61.00 | 51.00 | 73.85 | ||||||||||||
1979 | 44.65 | 53.96 | 62.55 | 72.00 | 82.32 | 91.73 | 97.42 | 92.06 | 93.23 | 79.16 | 64.03 | 60.48 | 74.47 | |||||||||||||
1980 | 55.77 | 60.21 | 59.29 | 72.33 | 74.61 | 87.77 | 97.42 | 94.77 | 89.23 | 79.29 | 67.47 | 64.10 | a | 75.19 | ||||||||||||
1981 | 59.03 | 61.29 | 61.19 | 75.73 | 79.57 | a | 95.57 | 98.10 | 97.68 | 89.10 | 71.55 | 65.23 | 59.26 | 76.11 | ||||||||||||
1982 | 53.52 | 59.79 | 58.68 | 69.39 | b | 80.00 | 86.28 | a | 93.84 | 93.13 | 83.34 | a | 72.06 | 58.23 | 52.26 | 71.71 | ||||||||||
1983 | 56.13 | a | 55.86 | 58.90 | 62.93 | a | 79.43 | a | 89.13 | 93.74 | 89.55 | 88.57 | 76.53 | a | 60.80 | 54.39 | 72.16 | |||||||||
1984 | 58.68 | 60.43 | a | 66.71 | 71.10 | 88.32 | 88.73 | 95.65 | 92.26 | d | ----- | z | 67.55 | t | 59.79 | a | 43.55 | 72.52 | b | |||||||
1985 | 50.10 | 57.15 | a | 61.70 | a | 78.30 | 81.61 | 94.97 | 99.10 | 95.90 | 81.07 | 75.70 | a | 54.70 | c | 56.71 | 73.92 | |||||||||
1986 | 61.61 | 60.14 | 68.26 | 72.90 | a | 83.52 | 93.60 | 93.94 | 98.17 | a | 81.70 | 73.94 | 65.54 | b | 55.39 | 75.72 | ||||||||||
1987 | 49.90 | b | 58.15 | a | 60.87 | a | 77.90 | a | 80.30 | a | 92.80 | 92.65 | 95.65 | 90.43 | 81.03 | a | 60.40 | 46.76 | b | 73.90 | ||||||
1988 | 49.45 | 62.48 | b | 65.77 | a | 70.17 | 80.13 | 90.50 | 99.67 | a | 95.52 | 88.69 | a | 84.52 | 64.07 | b | 52.89 | c | 75.32 | |||||||
1989 | 52.50 | a | 54.96 | 69.23 | a | 82.00 | c | 81.97 | 92.10 | 100.10 | 93.52 | 88.00 | 75.35 | 68.17 | 60.87 | 76.56 | ||||||||||
1990 | 55.59 | b | 58.38 | d | 68.63 | a | 76.30 | 79.83 | a | 92.40 | 97.97 | 94.16 | 88.70 | 79.35 | 66.44 | c | 51.21 | c | 75.75 | |||||||
1991 | 55.80 | a | 67.15 | a | 57.82 | c | 69.43 | b | 76.00 | b | 87.20 | 97.03 | 95.03 | 90.97 | a | 80.90 | 66.30 | c | 56.03 | a | 74.97 | |||||
1992 | 53.93 | c | 57.86 | 60.93 | a | 77.03 | 84.74 | 88.83 | a | 93.55 | 96.52 | 90.37 | 79.73 | a | 61.55 | a | 48.07 | a | 74.43 | |||||||
1993 | 48.00 | a | 52.14 | 68.86 | c | 73.72 | a | 82.69 | b | 89.00 | a | 95.00 | 95.19 | 89.80 | 76.97 | a | 61.85 | c | 54.66 | b | 73.99 | |||||
1994 | 58.83 | a | 53.86 | 70.07 | b | 72.72 | a | 81.13 | 95.83 | 100.32 | 99.13 | 88.20 | 74.97 | 54.31 | a | 53.74 | 75.26 | |||||||||
1995 | 48.81 | 67.41 | a | 60.97 | a | 68.57 | 74.90 | a | 86.53 | 97.26 | 97.06 | 91.47 | 79.93 | a | 72.97 | 57.74 | 75.30 | |||||||||
1996 | 57.65 | 62.93 | a | 67.42 | 75.97 | 83.39 | 94.03 | 100.68 | 99.61 | 87.67 | 74.65 | 63.07 | 54.10 | 76.76 | ||||||||||||
1997 | 52.13 | 58.61 | 72.29 | 72.80 | 87.61 | 88.30 | 94.61 | 97.10 | 88.57 | 77.10 | 63.17 | 50.94 | 75.27 | |||||||||||||
1998 | 54.55 | 50.50 | 61.23 | 66.10 | 72.16 | 83.77 | 98.55 | 99.10 | 85.07 | 72.61 | 61.90 | 56.35 | 71.82 | |||||||||||||
1999 | 57.52 | 58.71 | 66.26 | 65.07 | 81.06 | 90.33 | 94.03 | 94.35 | 89.53 | 82.71 | 69.30 | 58.29 | 75.60 | |||||||||||||
2000 | 56.81 | 56.90 | 63.68 | 76.73 | 85.97 | 94.10 | a | 97.69 | b | 94.54 | e | 91.33 | r | 69.00 | j | 60.04 | b | 60.73 | a | 74.72 | b | |||||
2001 | 52.71 | c | 51.69 | b | 67.93 | a | 70.18 | b | 92.30 | a | 95.00 | c | 94.42 | e | 99.87 | a | 92.37 | 83.54 | e | ----- | z | 54.70 | a | 77.70 | a | |
2002 | 55.96 | e | 63.96 | a | 65.37 | d | 75.85 | c | 84.04 | c | 98.12 | d | 102.76 | b | 97.52 | b | 92.44 | e | 77.52 | d | 67.11 | b | 53.57 | a | 77.85 | |
2003 | 65.66 | b | 57.57 | g | 67.45 | b | 67.52 | e | 84.82 | c | 95.21 | b | 102.75 | c | ----- | z | 93.61 | b | 86.88 | e | 58.75 | f | 53.88 | e | 79.75 | c |
2004 | 57.93 | c | 53.04 | f | 76.67 | a | 73.17 | 85.81 | 95.15 | c | 98.83 | a | 96.47 | a | 89.87 | 73.55 | 60.40 | 57.48 | 78.67 | a | ||||||
2005 | 53.00 | 57.32 | 67.38 | w | 71.67 | 83.65 | 90.20 | 101.65 | 96.87 | a | 83.94 | n | 79.65 | 70.30 | c | 58.80 | a | 76.31 | b | |||||||
2006 | 57.71 | 62.32 | 60.19 | 71.13 | 86.30 | a | 96.79 | a | 101.65 | 94.97 | 90.50 | 76.16 | 69.07 | 55.55 | 76.86 | |||||||||||
2007 | 53.90 | 63.74 | a | 73.95 | i | 75.40 | 86.55 | 95.83 | 102.45 | 97.42 | 88.13 | 76.32 | 69.61 | b | 50.93 | a | 78.21 | a | ||||||||
2008 | 50.35 | 57.66 | 69.32 | 72.97 | a | 81.21 | c | 94.33 | 99.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.11 | e | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.21 | 58.59 | 64.15 | 71.80 | 81.74 | 91.60 | 97.49 | 95.39 | 88.53 | 77.81 | 63.91 | 54.94 | 74.65 | |||||||||||||
S.D. | 4.50 | 4.27 | 4.88 | 4.60 | 4.40 | 3.46 | 2.90 | 2.55 | 3.19 | 3.74 | 4.48 | 4.41 | 1.60 | |||||||||||||
SKEW | -0.01 | 0.22 | 0.30 | -0.23 | -0.29 | -0.17 | 0.20 | -0.37 | -0.61 | 0.45 | -0.09 | -0.36 | -0.24 | |||||||||||||
MAX | 65.66 | 67.41 | 76.67 | 82.00 | 92.30 | 98.12 | 102.76 | 99.87 | 93.61 | 86.88 | 72.97 | 64.10 | 77.85 | |||||||||||||
MIN | 44.65 | 50.50 | 54.23 | 60.67 | 71.42 | 83.77 | 92.65 | 89.29 | 81.07 | 71.55 | 54.31 | 43.55 | 71.71 | |||||||||||||
YRS | 36 | 34 | 34 | 36 | 36 | 36 | 36 | 34 | 32 | 33 | 33 | 36 | 28 |