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 | ----- | z | 42.10 | j | ----- | z |
1969 | 48.90 | 45.75 | 47.55 | 64.63 | 72.35 | 77.93 | 83.32 | 83.74 | 74.73 | 60.52 | 52.40 | 45.71 | 63.13 | |||||||||||||
1970 | 42.29 | 50.29 | 49.35 | 59.77 | 73.58 | 77.70 | 82.42 | 81.45 | 75.27 | 60.03 | 54.77 | 47.03 | 62.83 | |||||||||||||
1971 | 44.00 | 47.54 | 57.39 | 63.13 | 71.71 | 84.90 | 83.26 | 77.45 | 73.00 | 62.00 | 51.30 | 39.61 | 62.94 | |||||||||||||
1972 | 44.65 | 51.83 | 62.84 | 67.03 | 71.77 | 80.67 | 82.97 | 77.52 | 72.38 | a | 62.86 | b | 43.20 | 42.23 | a | 63.33 | ||||||||||
1973 | 38.65 | 42.57 | 48.35 | 54.83 | 69.55 | 79.63 | 80.52 | 82.61 | 75.67 | 68.29 | 56.87 | 47.33 | a | 62.07 | ||||||||||||
1974 | 41.84 | 48.25 | 61.61 | 63.93 | 78.10 | 85.17 | 81.74 | 78.03 | 70.83 | 61.42 | 52.23 | 40.19 | 63.61 | |||||||||||||
1975 | 38.87 | 43.00 | 52.23 | 59.37 | 69.00 | 81.70 | 80.97 | 82.65 | 71.90 | 67.68 | 52.63 | 45.77 | 62.15 | |||||||||||||
1976 | 44.20 | a | 55.38 | 54.52 | 62.13 | 70.06 | 81.10 | 81.19 | 79.35 | 73.33 | 61.84 | 52.38 | a | 43.84 | 63.28 | |||||||||||
1977 | 38.29 | 48.32 | 51.77 | 62.40 | 72.65 | 84.13 | 83.81 | 82.45 | 76.40 | 67.35 | 56.50 | 48.74 | 64.40 | |||||||||||||
1978 | 41.68 | 43.70 | a | 57.29 | 65.63 | 71.06 | 81.67 | 87.42 | 80.65 | 74.00 | 67.70 | a | 50.13 | 38.90 | a | 63.32 | ||||||||||
1979 | 33.97 | 43.75 | 53.00 | 62.10 | 68.45 | 76.27 | 83.87 | 80.68 | 76.87 | 69.61 | 47.30 | 47.39 | 61.94 | |||||||||||||
1980 | 44.68 | 49.71 | a | 52.06 | 59.83 | 68.68 | 86.70 | 88.73 | a | 80.74 | 74.90 | 63.48 | 52.40 | 53.94 | 64.66 | |||||||||||
1981 | 48.23 | 53.07 | 51.42 | 68.07 | 70.97 | 84.90 | 83.32 | 78.71 | 74.50 | 62.32 | 58.40 | 49.90 | 65.32 | |||||||||||||
1982 | 43.87 | a | 46.96 | a | 54.67 | a | 62.69 | a | 70.68 | 82.17 | a | 85.03 | 81.26 | 73.50 | b | 63.57 | a | 49.62 | a | 38.32 | 62.69 | |||||
1983 | 42.58 | 45.37 | a | 51.84 | 56.39 | b | 70.43 | c | 79.13 | 84.00 | 81.68 | 79.20 | 65.03 | a | 52.07 | a | 44.13 | 62.65 | ||||||||
1984 | 41.97 | 49.71 | a | 53.58 | 61.47 | 76.61 | 80.27 | 84.32 | 78.94 | 74.47 | 56.83 | a | 51.10 | 42.61 | 62.66 | |||||||||||
1985 | 38.45 | 43.61 | 53.81 | 65.23 | 70.74 | 79.57 | 83.06 | 83.74 | 72.43 | 64.35 | 53.23 | 46.81 | 62.92 | |||||||||||||
1986 | 51.71 | 48.82 | 58.71 | 64.83 | 69.84 | 77.50 | 80.97 | 82.19 | 73.40 | 60.90 | 47.60 | 40.58 | 63.09 | |||||||||||||
1987 | 39.87 | 43.68 | 51.32 | 61.90 | 68.35 | 79.77 | 83.90 | a | 79.03 | 74.43 | 69.00 | 52.50 | 41.45 | 62.10 | ||||||||||||
1988 | 38.74 | 51.76 | 55.42 | 63.30 | 70.35 | 79.00 | 82.68 | 77.52 | 72.00 | 69.23 | 53.77 | 43.74 | 63.13 | |||||||||||||
1989 | 44.39 | 47.07 | 62.55 | 69.40 | 76.06 | 81.20 | 82.71 | 79.19 | 76.07 | 65.77 | 55.67 | 43.77 | 65.32 | |||||||||||||
1990 | 43.35 | 45.25 | 55.16 | 65.20 | 76.97 | 91.70 | 85.03 | 81.29 | 75.77 | 69.77 | 57.80 | 47.03 | 66.19 | |||||||||||||
1991 | 44.90 | 54.29 | 53.35 | 64.13 | 74.45 | 80.33 | 78.52 | 78.77 | 72.83 | 67.52 | 47.47 | 41.16 | 63.14 | |||||||||||||
1992 | 38.77 | 47.76 | 55.68 | 67.40 | 68.81 | 79.37 | 83.19 | 81.52 | 77.83 | 69.26 | 46.87 | 38.97 | 62.95 | |||||||||||||
1993 | 44.68 | 47.68 | 56.29 | 65.50 | 72.16 | 82.97 | 86.23 | 80.35 | 77.21 | a | 65.27 | a | ----- | z | ----- | z | 67.83 | b | ||||||||
1994 | ----- | z | 49.44 | a | 57.50 | e | 65.08 | e | 72.71 | c | 86.83 | a | 87.23 | 86.67 | a | 77.46 | b | 64.48 | d | 53.33 | c | 49.29 | c | 68.18 | a | |
1995 | 42.96 | c | 56.42 | d | 56.72 | b | 62.88 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.41 | a | 48.24 | b | 52.95 | g |
1996 | 45.80 | a | 52.52 | 54.71 | 65.69 | a | 80.66 | b | 85.23 | d | 84.23 | 80.83 | a | 73.70 | 61.53 | a | 57.07 | b | 46.71 | c | 65.72 | |||||
1997 | 39.04 | c | 45.76 | c | 61.22 | d | 56.46 | b | 71.20 | f | 78.20 | e | 86.61 | m | 81.45 | k | 78.76 | i | 63.95 | k | 52.09 | s | 36.08 | s | 56.14 | g |
1998 | 45.64 | q | 45.25 | l | 52.00 | q | 58.00 | k | 75.00 | s | 85.44 | u | ----- | z | 82.72 | m | 80.18 | s | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.71 | w | 44.44 | d | 44.44 | k |
2000 | 52.12 | f | 55.18 | r | 57.31 | o | 60.45 | s | 77.89 | v | ----- | z | ----- | z | ----- | z | 79.55 | s | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | 69.08 | q | 74.76 | n | 85.61 | g | ----- | z | ----- | z | ----- | z | 65.75 | w | 55.27 | o | 49.86 | x | ----- | z |
2002 | 46.62 | r | 46.75 | l | 57.71 | n | 69.47 | m | 74.11 | m | 87.90 | t | 84.14 | x | 83.11 | m | 74.63 | k | 63.55 | k | 52.64 | e | 42.50 | k | 52.64 | k |
2003 | 52.63 | d | 45.05 | g | 54.81 | e | 64.88 | d | 77.05 | k | 81.64 | e | 90.29 | q | 82.61 | m | 77.73 | d | 70.80 | a | 55.96 | c | 47.85 | e | 63.29 | d |
2004 | 42.73 | i | 41.74 | f | 59.04 | h | 59.73 | d | 77.32 | c | 83.00 | c | 81.59 | b | 78.39 | h | 74.00 | 63.94 | 46.04 | g | 43.07 | c | 68.95 | e | ||
2005 | 48.47 | a | ----- | z | ----- | z | 62.00 | j | 73.00 | e | 83.65 | g | 87.33 | d | 81.87 | 77.00 | e | 61.92 | e | 56.38 | d | 46.64 | f | 69.43 | e | |
2006 | 48.21 | c | 51.85 | b | 52.30 | h | 67.74 | g | ----- | z | 85.83 | f | 83.33 | d | 77.26 | 69.43 | 63.03 | 59.12 | e | 40.23 | 61.56 | d | ||||
2007 | 35.71 | 45.56 | a | 59.11 | c | 61.78 | c | 68.00 | c | 81.95 | j | ----- | z | 86.35 | 77.48 | a | 68.84 | 57.72 | a | 40.84 | 60.14 | b | ||||
2008 | 38.83 | b | 47.45 | 53.13 | 60.08 | e | 66.88 | e | 85.60 | 76.97 | a | 80.70 | a | 74.57 | 64.26 | d | 52.10 | 43.94 | 62.04 | |||||||
2009 | 48.87 | 53.39 | 57.55 | 62.77 | 73.60 | a | ----- | z | ----- | z | ----- | z | 70.17 | 63.06 | ----- | z | ----- | z | 61.34 | e | ||||||
2010 | 42.27 | a | 40.64 | ----- | z | 63.96 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.96 | i | |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | 74.75 | s | 86.93 | 87.90 | 84.29 | 76.23 | 67.06 | 52.10 | 36.17 | a | 70.10 | e | ||||||
2012 | 46.39 | 45.59 | 58.81 | 69.23 | 74.90 | ----- | z | ----- | z | ----- | z | ----- | z | 67.00 | ----- | z | ----- | z | 60.32 | f | ||||||
2013 | 40.77 | ----- | z | ----- | z | ----- | z | 75.19 | 87.07 | 80.81 | ----- | z | ----- | z | 63.90 | 50.00 | 42.13 | 62.84 | e | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.07 | 48.11 | 55.16 | 63.14 | 72.23 | 82.12 | 83.41 | 80.92 | 74.59 | 64.90 | 53.00 | 44.06 | 63.37 | |||||||||||||
S.D. | 4.29 | 3.91 | 3.83 | 3.43 | 3.29 | 3.53 | 2.60 | 2.42 | 2.32 | 3.33 | 3.86 | 3.90 | 1.18 | |||||||||||||
SKEW | 0.20 | 0.28 | 0.19 | -0.42 | 0.62 | 0.58 | -0.05 | 0.49 | -0.19 | -0.11 | -0.27 | 0.21 | 1.00 | |||||||||||||
MAX | 52.63 | 56.42 | 62.84 | 69.40 | 80.66 | 91.70 | 88.73 | 86.67 | 79.20 | 70.80 | 60.41 | 53.94 | 66.19 | |||||||||||||
MIN | 33.97 | 40.64 | 47.55 | 54.83 | 66.88 | 76.27 | 76.97 | 77.26 | 69.43 | 56.83 | 43.20 | 36.17 | 61.94 | |||||||||||||
YRS | 37 | 35 | 34 | 35 | 34 | 33 | 33 | 32 | 35 | 37 | 35 | 35 | 26 |