YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.23 | 55.03 | 40.87 | 54.38 | i | |||
1977 | 26.81 | 42.14 | 52.35 | 69.63 | 66.06 | 86.60 | 88.61 | 89.10 | 76.80 | 65.52 | ----- | z | 44.71 | 64.39 | a | |||||||||||
1978 | 42.58 | 45.14 | ----- | z | 59.83 | 69.53 | a | 80.80 | 90.00 | a | 86.70 | a | 75.17 | 69.07 | a | 47.34 | a | 36.42 | 63.87 | a | ||||||
1979 | 26.17 | a | 40.75 | 56.52 | 62.10 | 74.32 | 83.90 | 90.84 | 84.71 | 83.50 | 66.94 | 44.53 | 41.87 | 63.01 | ||||||||||||
1980 | 37.45 | 44.62 | 51.16 | 66.23 | 69.26 | ----- | z | 88.16 | 82.68 | 71.53 | ----- | z | ----- | z | 37.97 | 61.01 | c | |||||||||
1981 | 39.39 | 46.61 | 56.10 | 61.70 | 69.10 | 76.93 | ----- | z | 92.84 | 81.23 | ----- | z | ----- | z | 44.23 | 63.12 | c | |||||||||
1982 | 34.06 | 40.11 | 54.61 | 60.03 | 71.55 | 81.83 | 85.61 | 90.35 | 75.83 | 62.97 | 46.30 | 39.97 | 61.94 | |||||||||||||
1983 | 40.48 | 49.25 | 54.94 | 59.93 | 71.42 | 80.10 | 84.90 | 90.00 | 77.57 | 66.45 | 52.23 | 32.32 | 63.30 | |||||||||||||
1984 | 30.77 | 37.59 | 54.29 | 59.87 | 69.16 | 77.33 | 91.55 | 92.45 | 76.00 | 61.35 | 49.33 | 33.23 | 61.08 | |||||||||||||
1985 | 28.74 | 35.25 | 49.10 | 68.57 | 73.81 | 84.20 | 95.55 | 86.26 | ----- | z | 61.71 | 38.80 | 23.55 | 58.68 | a | |||||||||||
1986 | 35.94 | 48.79 | 60.94 | 62.63 | 73.61 | 90.03 | 86.00 | 93.68 | 70.63 | 67.19 | 52.57 | 38.16 | 65.01 | |||||||||||||
1987 | 36.35 | 47.71 | 56.45 | 74.20 | 78.19 | 84.70 | 87.45 | 87.23 | 82.30 | 71.19 | 52.20 | 43.32 | 66.78 | |||||||||||||
1988 | 34.00 | 46.31 | 56.90 | 67.03 | 73.32 | 86.07 | 93.77 | 90.26 | 77.87 | 75.97 | 50.03 | 36.06 | 65.63 | |||||||||||||
1989 | 32.77 | 29.78 | a | 53.48 | 67.67 | 72.39 | 85.77 | 93.35 | 86.16 | 79.53 | 65.19 | 53.27 | 47.06 | 63.87 | ||||||||||||
1990 | 44.71 | 45.29 | 58.61 | 70.60 | 70.23 | 81.97 | 92.84 | 90.16 | 86.90 | 64.87 | 51.53 | 29.26 | 65.58 | |||||||||||||
1991 | 32.52 | 50.43 | 54.68 | 61.86 | a | 67.61 | 78.20 | 93.00 | 92.71 | 80.81 | c | 67.20 | a | 45.77 | 40.97 | 63.81 | ||||||||||
1992 | 40.63 | a | 51.76 | 64.03 | 69.73 | 81.23 | 86.00 | 86.84 | 91.47 | a | 78.47 | 69.68 | 43.73 | 36.26 | 66.65 | |||||||||||
1993 | 33.00 | 37.25 | 49.10 | 59.97 | 77.16 | 76.37 | 80.65 | 85.06 | 81.41 | a | 68.03 | 46.97 | a | 44.42 | 61.62 | |||||||||||
1994 | 38.71 | 43.57 | 61.87 | 67.70 | 75.00 | 83.70 | 94.55 | 93.32 | 84.40 | 65.29 | 43.00 | 37.58 | 65.72 | |||||||||||||
1995 | 44.39 | 53.50 | 56.03 | 63.53 | 71.77 | ----- | z | 90.45 | 88.23 | 82.53 | 65.35 | 54.13 | 41.35 | 64.66 | a | |||||||||||
1996 | 41.77 | 45.55 | 57.45 | 64.33 | 70.16 | 82.87 | 95.29 | ----- | z | 77.30 | 66.84 | 52.40 | 43.81 | 63.43 | a | |||||||||||
1997 | 41.45 | 48.25 | 58.65 | 62.60 | ----- | z | 82.60 | 88.39 | 91.55 | 81.73 | 66.10 | 54.47 | 40.13 | 65.08 | a | |||||||||||
1998 | 46.52 | 50.00 | 56.74 | 63.37 | 69.32 | 79.37 | 96.65 | 93.61 | 85.00 | 65.97 | 53.13 | 40.19 | 66.66 | |||||||||||||
1999 | 43.74 | 45.25 | 56.84 | 61.40 | 72.10 | 81.17 | 90.90 | 91.90 | 79.90 | 70.29 | 58.00 | 40.87 | 66.03 | |||||||||||||
2000 | 41.39 | 52.14 | 55.29 | 69.77 | 74.42 | ----- | z | 92.58 | 93.42 | 77.90 | 64.90 | 42.70 | 38.97 | 63.95 | a | |||||||||||
2001 | 34.84 | 42.61 | 58.87 | 62.53 | 78.03 | 83.60 | 91.68 | 94.81 | 84.33 | 67.94 | 55.60 | 38.43 | a | 66.11 | ||||||||||||
2002 | 39.52 | 46.11 | 52.84 | 65.40 | 73.03 | 84.70 | 95.03 | 86.48 | 81.20 | 64.29 | 51.93 | 44.71 | 65.44 | |||||||||||||
2003 | 44.58 | 48.25 | 58.10 | 61.80 | 73.29 | 85.67 | 97.65 | 92.58 | 82.03 | 73.06 | 49.33 | 45.42 | 67.65 | |||||||||||||
2004 | 34.81 | 42.38 | 62.17 | a | 68.73 | 72.39 | 84.33 | 93.39 | 89.52 | 77.80 | 66.45 | 47.07 | 42.71 | 65.14 | ||||||||||||
2005 | 40.03 | 48.25 | 59.39 | 63.93 | 71.90 | 79.07 | 94.42 | 92.48 | ----- | z | 66.71 | 46.47 | 35.68 | 63.48 | a | |||||||||||
2006 | 44.45 | 45.79 | 53.97 | 63.73 | 75.94 | 85.93 | 98.10 | 90.55 | 79.87 | 65.45 | 52.30 | 40.03 | 66.34 | |||||||||||||
2007 | 40.00 | 48.71 | 61.32 | 65.83 | 77.97 | 86.00 | 98.13 | 91.13 | 79.87 | 63.39 | 51.80 | 40.29 | 67.04 | |||||||||||||
2008 | 36.71 | 45.31 | 53.03 | 60.93 | b | 73.97 | 81.40 | 93.97 | 92.52 | 80.27 | 66.03 | 52.73 | 40.42 | 64.77 | ||||||||||||
2009 | 38.16 | 46.57 | 53.29 | 63.53 | 75.68 | 81.53 | 93.61 | 89.58 | e | 85.56 | e | 59.35 | 51.83 | 34.70 | a | 64.45 | ||||||||||
2010 | 43.90 | 47.43 | 57.03 | 62.30 | 66.87 | 79.23 | 91.53 | a | 89.61 | 80.97 | 69.77 | 48.77 | 40.61 | 64.84 | ||||||||||||
2011 | 38.16 | 44.50 | 53.94 | 57.67 | 67.87 | 77.17 | 90.23 | 93.81 | 86.17 | 66.58 | 49.20 | 41.65 | 63.91 | |||||||||||||
2012 | 42.97 | 48.72 | 56.06 | 67.27 | 71.74 | 81.87 | 95.94 | 93.77 | 83.90 | 65.71 | 53.60 | 44.55 | 67.17 | |||||||||||||
2013 | 26.32 | 45.32 | 57.94 | 64.93 | 75.74 | 83.57 | 98.52 | 94.32 | 80.30 | 64.13 | 49.43 | 31.81 | 64.36 | |||||||||||||
2014 | 35.77 | 47.11 | 57.26 | 64.03 | a | 76.29 | 82.23 | 96.74 | 90.61 | 82.43 | 70.42 | 46.77 | 44.81 | 66.21 | ||||||||||||
2015 | 35.41 | d | 55.25 | 62.80 | a | 67.33 | 75.26 | 91.97 | 92.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.59 | e | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.69 | 45.62 | 56.42 | 64.47 | 72.81 | 82.74 | 92.08 | 90.42 | 80.25 | 66.61 | 49.84 | 39.47 | 65.00 | |||||||||||||
S.D. | 5.41 | 4.97 | 3.52 | 3.69 | 3.47 | 3.55 | 4.11 | 3.05 | 3.75 | 3.18 | 4.20 | 4.87 | 1.71 | |||||||||||||
SKEW | -0.49 | -0.93 | 0.08 | 0.48 | 0.15 | 0.26 | -0.59 | -0.70 | -0.52 | 0.52 | -0.52 | -1.10 | -0.65 | |||||||||||||
MAX | 46.52 | 55.25 | 64.03 | 74.20 | 81.23 | 91.97 | 98.52 | 94.81 | 86.90 | 75.97 | 58.00 | 47.06 | 67.65 | |||||||||||||
MIN | 26.17 | 29.78 | 49.10 | 57.67 | 66.06 | 76.37 | 80.65 | 82.68 | 70.63 | 59.35 | 38.80 | 23.55 | 61.08 | |||||||||||||
YRS | 39 | 39 | 38 | 39 | 38 | 36 | 38 | 37 | 36 | 37 | 36 | 39 | 28 |