YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1970 | ----- | z | ----- | z | 48.00 | 58.46 | b | 68.13 | 72.63 | 80.94 | 79.74 | 70.53 | 57.37 | a | 46.44 | c | 42.52 | 62.48 | b | |||||||
1971 | 38.53 | a | 37.92 | c | 52.03 | a | 57.97 | 62.97 | 77.97 | 80.63 | d | 73.00 | r | ----- | z | ----- | z | ----- | z | ----- | z | 58.29 | e | |||
1972 | ----- | z | 37.92 | c | 49.65 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.97 | 41.31 | e | 39.73 | i | |
1973 | 41.39 | 46.19 | a | 48.94 | 51.30 | 62.71 | 75.00 | 79.23 | 79.42 | 73.33 | 70.67 | a | 54.45 | a | 41.26 | 60.32 | ||||||||||
1974 | 38.55 | 42.21 | 50.61 | 55.57 | 69.77 | 78.70 | 79.39 | 74.39 | 72.53 | 63.87 | 47.60 | 37.13 | 59.19 | |||||||||||||
1975 | 36.43 | a | 39.32 | 44.65 | 48.60 | 62.23 | 73.10 | 75.94 | 75.32 | 70.56 | c | 67.03 | 49.83 | 42.00 | 57.08 | |||||||||||
1976 | 38.87 | 44.03 | 45.68 | 56.33 | 64.26 | 74.77 | 81.00 | 75.52 | 68.63 | 60.45 | 52.57 | 42.87 | 58.75 | |||||||||||||
1977 | 35.77 | 43.27 | b | 44.10 | 57.60 | 63.58 | 79.27 | 78.16 | 78.26 | 71.87 | 65.23 | 49.37 | 40.71 | 58.93 | ||||||||||||
1978 | 37.53 | a | 41.57 | 47.87 | 56.90 | 58.94 | 75.53 | 81.35 | 77.52 | 67.30 | 61.23 | 43.62 | a | 28.74 | 56.51 | |||||||||||
1979 | 24.68 | 30.96 | a | 36.73 | a | 46.50 | 55.16 | 66.83 | 74.16 | 70.71 | 70.00 | 61.68 | 35.63 | 37.52 | 50.88 | |||||||||||
1980 | 30.55 | 36.21 | 33.13 | 44.70 | 55.87 | 73.43 | 77.42 | 71.00 | 67.03 | 55.42 | 46.07 | 43.74 | 52.88 | |||||||||||||
1981 | 42.87 | 40.54 | 39.39 | 54.43 | 56.97 | 72.43 | 72.29 | 69.77 | 64.93 | 52.39 | 48.20 | 36.61 | 54.24 | |||||||||||||
1982 | 29.10 | 31.89 | 36.06 | 47.60 | 56.87 | 69.40 | 72.97 | 69.13 | 62.17 | 52.58 | 38.70 | 30.32 | 49.73 | |||||||||||||
1983 | 33.79 | b | 33.21 | 35.43 | a | 42.66 | a | 54.39 | 65.80 | 72.55 | 70.29 | 69.47 | 55.80 | a | 38.97 | 30.55 | 50.24 | |||||||||
1984 | 31.33 | a | 33.34 | 37.19 | 45.83 | 64.77 | 66.17 | 73.10 | 69.94 | 65.87 | 44.39 | 42.23 | 33.23 | 50.62 | ||||||||||||
1985 | 29.84 | 30.00 | 39.03 | 50.97 | 59.03 | 70.07 | 72.20 | a | 72.32 | 60.93 | 54.00 | 38.33 | 33.71 | 50.87 | ||||||||||||
1986 | 40.19 | 35.46 | 46.16 | 49.10 | 58.87 | 66.83 | a | 69.90 | a | 71.13 | 58.77 | 50.68 | 41.33 | 33.90 | 51.86 | |||||||||||
1987 | 31.84 | 34.64 | 36.87 | 51.87 | 55.32 | 70.53 | 74.26 | 69.81 | 66.69 | a | 61.00 | 41.43 | b | 31.29 | 52.13 | |||||||||||
1988 | 27.90 | a | 36.90 | 41.61 | 56.70 | 67.03 | b | 77.77 | 78.97 | 74.39 | 65.13 | 59.67 | a | 40.62 | a | 33.83 | a | 55.04 | ||||||||
1989 | 29.97 | 32.96 | 48.81 | 62.93 | 71.52 | 82.38 | d | 81.35 | 76.19 | 70.45 | a | 61.23 | 52.30 | 40.00 | a | 59.17 | ||||||||||
1990 | 36.19 | 40.39 | 48.03 | 57.07 | 64.68 | 81.07 | 77.26 | 76.71 | 70.40 | 61.29 | 47.15 | c | 33.45 | 57.81 | ||||||||||||
1991 | 35.97 | 44.89 | 43.35 | 54.77 | 66.94 | 75.17 | 79.23 | 78.23 | 69.90 | 64.29 | 42.54 | b | 38.10 | 57.78 | ||||||||||||
1992 | 38.67 | a | 41.24 | 48.65 | 61.07 | 64.94 | 69.30 | 74.68 | 76.45 | 75.00 | 65.74 | 37.77 | 34.77 | 57.36 | ||||||||||||
1993 | 38.00 | 36.14 | 48.90 | 56.79 | a | 66.19 | 74.80 | 81.94 | 76.03 | a | 70.00 | 58.71 | 42.83 | 42.06 | n | 59.12 | a | |||||||||
1994 | 36.22 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | 58.62 | v | 59.70 | a | 73.13 | 80.19 | 80.29 | 68.23 | 61.00 | 49.46 | b | 38.32 | 63.79 | d | ||||||
1996 | 35.83 | a | 41.21 | 47.14 | b | 58.17 | 74.29 | 79.47 | 82.13 | 78.53 | a | 65.53 | 59.21 | b | 45.96 | d | 33.41 | b | 58.41 | |||||||
1997 | 30.40 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.12 | w | 71.00 | 58.41 | b | 43.17 | a | 34.43 | a | 51.75 | h | |
1998 | 36.35 | 35.85 | b | 45.54 | e | 50.35 | g | 68.62 | e | 80.27 | d | 81.60 | a | 77.47 | a | 73.79 | a | 64.40 | p | 45.89 | b | 40.57 | c | 58.59 | b | |
1999 | 40.44 | f | 44.73 | f | 57.13 | p | 51.79 | b | 61.52 | 72.66 | a | 75.84 | 73.39 | 68.96 | b | 64.73 | a | 56.90 | a | 40.47 | a | 62.92 | c | |||
2000 | 39.33 | a | 44.22 | b | 47.13 | a | 60.70 | 70.94 | 77.67 | 82.32 | 80.29 | 75.30 | 57.26 | 37.93 | 38.42 | 59.29 | ||||||||||
2001 | 35.90 | 40.35 | b | 43.38 | g | 57.81 | i | 67.17 | b | 78.41 | c | 81.82 | i | 76.43 | c | 75.41 | a | 62.77 | a | 49.64 | b | 36.77 | a | 58.09 | c | |
2002 | 36.13 | a | 38.57 | 46.07 | a | 61.79 | a | 69.23 | 82.52 | a | 81.40 | a | 80.10 | a | 70.00 | 55.81 | 45.79 | a | 35.00 | 58.53 | ||||||
2003 | 43.61 | 37.64 | 44.61 | 55.66 | a | 67.16 | 75.43 | 85.39 | 77.39 | 70.53 | 65.19 | 44.54 | b | 38.62 | b | 58.81 | ||||||||||
2004 | 36.72 | b | 34.66 | 54.35 | 53.21 | a | 69.68 | 77.14 | a | 83.10 | 76.90 | 68.73 | 54.40 | a | 42.88 | v | ----- | z | 60.89 | b | ||||||
2005 | 37.86 | j | 33.56 | a | 40.90 | 51.83 | 64.77 | 69.80 | 81.65 | k | ----- | z | ----- | z | 57.79 | b | 48.46 | b | 36.27 | a | 50.42 | d | ||||
2006 | 37.00 | 41.89 | 45.07 | b | 58.97 | 69.42 | 77.43 | 76.43 | a | 69.81 | 60.23 | 53.77 | 46.60 | 33.90 | b | 55.88 | ||||||||||
2007 | 32.17 | a | 37.29 | 46.86 | i | 54.27 | 63.61 | 75.93 | 79.84 | 80.21 | b | 68.67 | 59.57 | c | 51.10 | a | 31.25 | g | 60.27 | b | ||||||
2008 | 25.73 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 25.73 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.21 | 38.07 | 44.26 | 54.13 | 63.92 | 74.54 | 78.09 | 75.24 | 68.76 | 59.25 | 45.24 | 36.78 | 55.69 | |||||||||||||
S.D. | 4.72 | 4.28 | 5.34 | 5.19 | 5.25 | 4.62 | 3.87 | 3.70 | 4.11 | 5.32 | 5.17 | 3.99 | 3.50 | |||||||||||||
SKEW | -0.46 | 0.01 | -0.39 | -0.43 | -0.19 | -0.23 | -0.34 | -0.29 | -0.62 | -0.40 | 0.16 | -0.08 | -0.46 | |||||||||||||
MAX | 43.61 | 46.19 | 54.35 | 62.93 | 74.29 | 82.52 | 85.39 | 80.29 | 75.41 | 70.67 | 56.90 | 43.74 | 60.32 | |||||||||||||
MIN | 24.68 | 30.00 | 33.13 | 42.66 | 54.39 | 65.80 | 69.90 | 69.13 | 58.77 | 44.39 | 35.63 | 28.74 | 49.73 | |||||||||||||
YRS | 32 | 33 | 31 | 32 | 35 | 35 | 33 | 33 | 34 | 34 | 35 | 33 | 25 |