YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.07 | 37.39 | 41.73 | j | ||
1969 | 35.39 | 37.54 | 48.40 | a | 56.10 | 70.39 | 71.76 | a | 82.76 | b | 83.00 | i | 75.97 | 55.87 | 55.33 | 41.84 | 57.39 | a | ||||||||
1970 | 40.77 | 49.93 | 48.68 | 50.97 | 67.48 | 76.93 | 86.29 | 85.23 | 71.63 | 60.87 | 47.70 | 35.71 | 60.18 | |||||||||||||
1971 | 41.06 | 44.11 | a | 44.13 | 54.10 | 62.00 | 69.40 | 84.16 | 85.71 | 70.80 | 56.90 | 47.43 | 33.97 | 57.81 | ||||||||||||
1972 | 36.19 | 44.10 | 54.61 | 53.03 | 69.19 | 77.97 | 85.00 | 83.00 | a | 69.30 | 61.13 | 43.60 | 34.52 | 59.30 | ||||||||||||
1973 | 38.87 | 45.14 | 45.48 | 59.03 | 71.39 | 75.80 | 85.55 | 82.10 | 74.67 | 61.13 | 41.23 | 40.90 | 60.11 | |||||||||||||
1974 | 37.16 | 42.50 | 46.71 | 53.93 | 64.84 | 79.97 | 80.60 | a | 82.16 | 81.97 | 64.55 | 50.97 | 39.16 | 60.38 | ||||||||||||
1975 | 40.20 | a | 39.79 | 42.33 | a | 47.03 | 66.26 | 72.63 | 82.74 | 77.77 | 80.83 | 56.58 | 45.20 | 44.42 | 57.98 | |||||||||||
1976 | 43.48 | 44.38 | 46.07 | a | 54.83 | 69.58 | 70.70 | 83.45 | 73.65 | 76.10 | 67.13 | a | 57.40 | 48.52 | 61.27 | |||||||||||
1977 | 36.68 | 51.04 | 44.61 | 62.97 | 56.13 | a | 80.67 | 82.55 | 84.39 | 69.73 | 62.77 | a | 47.17 | 42.48 | 60.10 | |||||||||||
1978 | 42.65 | 45.14 | 54.61 | 51.03 | 62.30 | a | 74.30 | 82.74 | 78.70 | a | 68.83 | 70.48 | 46.40 | 36.06 | 59.44 | |||||||||||
1979 | 38.06 | 39.64 | 52.06 | 54.93 | 68.55 | 76.00 | 83.10 | 78.26 | 79.00 | 63.13 | 47.11 | b | 44.30 | a | 60.35 | |||||||||||
1980 | 42.23 | 47.69 | 46.60 | a | 58.53 | 63.81 | 67.03 | 83.19 | 80.10 | a | 75.20 | 64.77 | 50.83 | 47.23 | 60.60 | |||||||||||
1981 | 46.06 | 46.54 | 50.78 | h | 61.92 | f | 63.39 | 75.07 | a | 83.84 | 87.03 | 75.27 | 57.58 | 49.80 | 42.10 | 62.67 | b | |||||||||
1982 | 37.10 | 42.54 | 44.77 | a | 52.23 | 67.17 | a | 72.70 | 79.87 | a | 82.17 | a | 68.03 | 58.45 | 43.23 | 38.45 | b | 57.22 | ||||||||
1983 | 43.20 | a | 44.75 | 45.42 | 50.67 | 67.81 | 71.67 | 77.26 | 81.03 | a | 74.30 | 64.32 | 42.13 | 36.60 | a | 58.26 | ||||||||||
1984 | 44.32 | 44.71 | a | 51.03 | 52.57 | 66.61 | 70.96 | b | 86.42 | 83.73 | a | 74.10 | a | 52.84 | 41.86 | b | 36.19 | 58.78 | ||||||||
1985 | 40.13 | 43.96 | a | 45.63 | d | 63.37 | 65.48 | 78.73 | 86.58 | 80.87 | 66.00 | 60.29 | 39.17 | 42.61 | 59.40 | |||||||||||
1986 | 47.94 | 46.71 | 55.74 | 56.63 | 66.16 | 79.13 | 79.77 | 86.55 | 64.80 | 64.67 | a | 49.73 | 42.35 | 61.68 | ||||||||||||
1987 | 38.45 | 44.96 | 49.19 | 65.57 | 70.23 | 80.33 | 77.23 | 84.94 | 78.97 | a | 72.84 | 49.37 | 37.39 | 62.45 | ||||||||||||
1988 | 38.35 | 51.17 | 53.37 | a | 58.43 | 66.86 | b | 74.83 | 86.47 | a | 87.48 | b | 77.90 | 73.45 | 44.30 | 40.13 | 62.73 | |||||||||
1989 | 36.45 | 37.04 | a | 48.29 | 61.57 | 63.33 | a | 76.37 | 82.29 | 78.13 | a | 73.19 | c | 60.35 | 51.90 | 46.90 | a | 59.65 | ||||||||
1990 | 40.94 | 42.75 | 53.16 | 64.38 | a | 61.77 | a | 73.03 | 84.63 | a | 79.80 | a | 78.53 | 62.87 | 48.00 | 35.00 | a | 60.41 | ||||||||
1991 | 43.97 | 53.54 | 44.55 | 51.90 | a | 59.68 | 70.14 | a | 85.68 | 82.52 | 81.13 | 67.23 | 49.50 | 43.17 | a | 61.08 | ||||||||||
1992 | 44.42 | 49.69 | 55.19 | 60.50 | 75.81 | 76.14 | a | 82.03 | 86.17 | a | 76.52 | a | 65.03 | a | 47.14 | a | 35.65 | 62.86 | ||||||||
1993 | 36.35 | 39.46 | 52.30 | a | 52.47 | 66.13 | a | 70.03 | 74.94 | 78.26 | 76.97 | 64.39 | 48.43 | 41.16 | 58.41 | |||||||||||
1994 | 46.06 | 43.11 | 56.32 | 59.20 | 67.32 | 74.00 | 87.55 | 83.42 | 78.54 | b | 61.28 | b | 37.89 | b | 39.10 | a | 61.15 | |||||||||
1995 | 40.71 | c | 54.48 | a | 46.44 | f | 56.36 | s | 63.06 | o | 68.50 | v | 83.83 | y | ----- | z | ----- | z | 68.44 | v | 63.00 | w | 50.14 | x | 47.60 | j |
1996 | 45.20 | u | 55.00 | x | ----- | z | 58.25 | v | 65.86 | x | ----- | z | ----- | z | ----- | z | ----- | z | 66.12 | w | 53.38 | v | 46.22 | v | ----- | z |
1997 | 47.00 | u | 46.25 | t | ----- | z | 62.00 | u | 71.83 | s | 71.43 | w | 85.44 | v | ----- | z | ----- | z | 65.86 | q | 53.75 | r | 46.29 | q | ----- | z |
1998 | 44.46 | r | 44.00 | q | 56.62 | o | 57.29 | m | 57.13 | p | 72.12 | m | 88.94 | o | 88.69 | r | 82.29 | m | 63.29 | n | 46.33 | r | 46.27 | t | ----- | z |
1999 | 51.89 | v | 43.86 | u | 51.38 | w | 56.64 | s | 73.00 | v | 77.00 | u | 86.73 | t | 88.62 | w | 82.50 | t | 71.11 | v | 57.92 | r | 45.60 | p | ----- | z |
2000 | 42.67 | m | 47.46 | p | 51.44 | o | 69.73 | s | 67.47 | p | 81.83 | l | 83.07 | p | 88.33 | p | 77.31 | n | 61.18 | t | 47.71 | p | 48.70 | u | ----- | z |
2001 | 44.78 | v | 43.53 | m | 56.40 | k | 63.56 | u | 76.50 | u | 79.40 | t | 86.25 | s | 88.85 | r | 81.00 | s | 64.28 | m | 52.62 | q | 39.92 | r | ----- | z |
2002 | 40.82 | n | 53.19 | l | 54.11 | l | 56.65 | m | 67.22 | m | 82.46 | q | 89.71 | n | 82.72 | m | 79.09 | s | 63.16 | l | 55.31 | q | 45.69 | o | ----- | z |
2003 | 48.56 | o | 47.19 | l | 52.65 | n | 51.41 | m | ----- | z | 83.53 | o | 94.14 | q | 86.00 | s | 82.83 | l | 74.27 | t | 46.25 | r | 45.17 | s | ----- | z |
2004 | 45.27 | t | 45.55 | r | 60.20 | p | 62.69 | q | 67.71 | n | 78.18 | m | 89.50 | q | 85.25 | o | 77.15 | q | 65.50 | u | 53.23 | q | 45.72 | m | ----- | z |
2005 | 47.39 | m | 51.82 | q | 54.85 | k | 59.17 | r | 64.29 | n | 75.12 | n | 90.82 | t | 87.62 | o | 75.50 | p | 68.19 | o | 49.27 | o | 43.38 | o | ----- | z |
2006 | 45.18 | n | 50.21 | n | 43.67 | m | 57.31 | q | 73.75 | w | 80.36 | s | 90.55 | t | 84.19 | o | 81.50 | r | 68.91 | t | 53.12 | v | 48.43 | x | ----- | z |
2007 | 44.38 | w | 52.67 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.64 | 45.05 | 49.17 | 56.24 | 66.14 | 74.47 | 82.95 | 82.13 | 74.55 | 62.73 | 47.00 | 40.12 | 60.07 | |||||||||||||
S.D. | 3.49 | 4.50 | 4.30 | 4.92 | 4.03 | 3.70 | 3.16 | 3.48 | 4.71 | 4.99 | 4.51 | 4.10 | 1.53 | |||||||||||||
SKEW | 0.30 | 0.28 | 0.24 | 0.27 | -0.16 | -0.01 | -0.83 | -0.40 | -0.41 | 0.32 | 0.10 | 0.32 | 0.07 | |||||||||||||
MAX | 47.94 | 54.48 | 56.32 | 65.57 | 75.81 | 80.67 | 87.55 | 87.48 | 81.97 | 73.45 | 57.40 | 48.52 | 62.86 | |||||||||||||
MIN | 35.39 | 37.04 | 42.33 | 47.03 | 56.13 | 67.03 | 74.94 | 73.65 | 64.80 | 52.84 | 37.89 | 33.97 | 57.22 | |||||||||||||
YRS | 27 | 27 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 24 |