YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.44 | l | 95.74 | 91.94 | 81.67 | ----- | z | 55.47 | 53.52 | b | 75.67 | g | ||||
1981 | 51.70 | a | 51.15 | a | 54.23 | 72.70 | 72.74 | 90.37 | 92.23 | 85.68 | 81.80 | 67.48 | 59.07 | 47.32 | 68.87 | |||||||||||
1982 | 41.93 | a | 41.85 | a | 56.42 | 66.13 | 72.13 | a | 77.57 | 90.52 | 88.39 | 79.50 | 65.61 | 51.79 | a | 44.52 | 64.70 | |||||||||
1983 | 42.74 | 47.74 | a | 49.77 | 57.63 | 69.39 | 81.34 | a | 94.52 | 93.87 | 83.97 | 69.67 | a | 54.77 | 28.39 | 64.48 | ||||||||||
1984 | 36.60 | a | 47.52 | 50.71 | 58.30 | 75.43 | c | 85.47 | 91.35 | 88.61 | 78.57 | 60.13 | 56.03 | 44.00 | 64.39 | |||||||||||
1985 | 34.84 | 38.61 | 57.13 | 67.77 | 74.84 | 85.93 | 90.16 | 89.23 | 77.37 | 66.77 | 43.57 | 39.13 | 63.78 | |||||||||||||
1986 | 55.03 | 52.81 | a | 64.77 | 69.83 | a | 76.52 | 86.70 | 93.58 | 89.84 | 80.00 | 67.32 | 53.63 | 45.19 | 69.60 | |||||||||||
1987 | 45.40 | a | 50.36 | 52.84 | 69.57 | 75.55 | 87.10 | 93.87 | 87.77 | 82.63 | 72.65 | 56.33 | 42.16 | 68.02 | ||||||||||||
1988 | 30.84 | 43.00 | 55.55 | 67.00 | 77.42 | 90.47 | 93.94 | 94.03 | 81.30 | 72.03 | 58.03 | 45.19 | 67.40 | |||||||||||||
1989 | 48.33 | a | 38.86 | 63.68 | 69.77 | 77.71 | 81.33 | 94.58 | 89.13 | 80.97 | 72.23 | 60.37 | 39.68 | 68.05 | ||||||||||||
1990 | 45.68 | 44.32 | 53.48 | 66.23 | 71.81 | 92.63 | 89.26 | 89.55 | 86.43 | 70.03 | 59.20 | 40.55 | 67.43 | |||||||||||||
1991 | 40.58 | 58.00 | 57.00 | 66.10 | 78.42 | 89.30 | 90.45 | 88.61 | 82.27 | 71.74 | 46.67 | 43.32 | 67.71 | |||||||||||||
1992 | 42.13 | 52.45 | 60.35 | 70.97 | 77.74 | 81.10 | a | 89.06 | 86.39 | 84.33 | 72.87 | 45.57 | 40.67 | a | 66.97 | |||||||||||
1993 | 36.06 | 43.71 | 56.39 | 64.63 | 74.61 | 86.87 | 93.42 | 86.97 | 76.03 | 66.10 | 44.07 | 46.44 | d | 64.61 | ||||||||||||
1994 | 47.23 | 43.29 | 59.35 | 62.77 | 76.03 | 90.93 | 91.81 | 91.65 | 78.83 | 64.90 | 47.70 | 47.65 | 66.84 | |||||||||||||
1995 | 42.90 | 50.43 | 52.45 | 53.90 | 61.74 | 81.40 | 90.39 | 95.37 | a | 79.93 | 71.16 | 60.37 | 50.10 | 65.84 | ||||||||||||
1996 | 47.71 | 51.83 | 54.61 | 68.10 | 79.87 | 88.00 | 89.77 | 88.94 | 79.38 | a | 71.71 | 53.57 | 50.61 | 68.67 | ||||||||||||
1997 | 43.42 | 46.89 | a | 62.03 | 59.37 | 74.87 | a | 86.33 | 94.20 | a | 86.00 | 79.96 | f | 67.90 | 49.10 | 38.39 | 64.41 | a | ||||||||
1998 | 46.48 | 48.36 | 52.81 | 62.87 | 81.10 | 86.07 | 91.70 | a | 87.52 | 87.83 | 69.81 | 58.34 | a | 45.06 | 68.16 | |||||||||||
1999 | 50.13 | 58.43 | 61.21 | b | 61.63 | 72.73 | a | 83.77 | 91.55 | 88.84 | 78.66 | a | 70.31 | e | 63.61 | g | 49.61 | 69.71 | a | |||||||
2000 | 49.93 | a | 56.90 | 57.26 | 69.37 | 79.58 | 86.83 | 94.32 | 95.48 | j | 84.97 | 70.61 | 47.13 | 43.04 | d | 67.27 | a | |||||||||
2001 | 48.06 | m | 44.93 | 53.06 | 71.58 | f | 74.48 | 88.67 | 96.52 | 92.27 | e | 85.40 | 72.16 | 59.63 | 48.68 | 71.58 | b | |||||||||
2002 | 46.48 | 48.57 | 55.42 | 70.67 | 78.32 | 92.33 | 95.45 | 91.90 | 82.97 | 62.37 | d | 53.59 | a | 47.06 | 68.76 | |||||||||||
2003 | 50.60 | a | 45.00 | 57.55 | 69.43 | 77.23 | 82.30 | 98.87 | 93.77 | 80.52 | a | 73.55 | 52.17 | 50.93 | d | 69.33 | ||||||||||
2004 | 46.90 | 45.55 | 63.45 | 65.03 | 80.13 | 83.00 | b | 87.26 | 84.68 | 81.90 | a | 69.52 | 50.10 | 48.29 | 67.15 | |||||||||||
2005 | 45.16 | 50.07 | 56.29 | 65.08 | e | 76.29 | 87.57 | 95.65 | 89.48 | 86.55 | a | 70.38 | e | 60.55 | a | 45.65 | 69.06 | |||||||||
2006 | 52.94 | 49.29 | 58.13 | 71.60 | 79.48 | 90.63 | 93.07 | d | 88.17 | a | 76.17 | 68.12 | e | 58.04 | e | 43.41 | d | 69.09 | ||||||||
2007 | 36.35 | 43.36 | 63.29 | 62.20 | 76.35 | 85.10 | 91.90 | 92.61 | 82.72 | a | 72.89 | c | 59.17 | 39.74 | 67.14 | |||||||||||
2008 | 42.52 | 46.69 | 56.06 | 64.57 | 76.40 | a | 86.03 | 94.23 | 85.77 | 79.70 | 68.81 | e | 57.30 | 43.52 | 66.80 | |||||||||||
2009 | 48.97 | a | 55.43 | 60.39 | 63.87 | 75.40 | a | 83.93 | 90.90 | 88.80 | a | 78.63 | 58.52 | b | 58.23 | 37.13 | 66.68 | |||||||||
2010 | 45.94 | 40.61 | 55.58 | 67.13 | 74.23 | 90.13 | 93.36 | c | 90.42 | 86.87 | 72.84 | 56.90 | 48.94 | 68.58 | ||||||||||||
2011 | 42.90 | 44.68 | 60.19 | 68.13 | 72.26 | 89.77 | 96.16 | 93.77 | 81.57 | 69.94 | 56.57 | 39.57 | a | 67.96 | ||||||||||||
2012 | 48.84 | 44.62 | 66.13 | 69.93 | 79.45 | 94.41 | a | 96.61 | 91.71 | 82.27 | 66.52 | 62.00 | 45.62 | b | 70.68 | |||||||||||
2013 | 46.74 | 47.36 | 55.90 | 60.70 | 75.43 | c | 91.00 | 90.45 | 90.58 | 84.83 | 67.17 | a | 54.70 | 44.71 | 67.46 | |||||||||||
2014 | 46.42 | 38.89 | 56.61 | 65.44 | c | 75.42 | 88.17 | 89.75 | c | 89.06 | 82.67 | 72.19 | 51.87 | 44.77 | 66.77 | |||||||||||
2015 | 45.00 | 48.64 | 58.48 | 67.67 | 68.39 | 86.30 | 88.57 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.41 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.87 | 47.43 | 57.39 | 65.77 | 75.41 | 86.82 | 92.76 | 89.74 | 81.74 | 69.00 | 54.46 | 44.36 | 67.37 | |||||||||||||
S.D. | 5.36 | 5.19 | 4.02 | 4.37 | 3.79 | 3.83 | 2.61 | 2.71 | 3.03 | 3.65 | 5.14 | 4.83 | 1.70 | |||||||||||||
SKEW | -0.64 | 0.33 | 0.33 | -0.74 | -1.42 | -0.27 | 0.13 | 0.20 | 0.13 | -1.15 | -0.63 | -0.87 | -0.46 | |||||||||||||
MAX | 55.03 | 58.43 | 66.13 | 72.70 | 81.10 | 94.41 | 98.87 | 95.37 | 87.83 | 73.55 | 62.00 | 53.52 | 70.68 | |||||||||||||
MIN | 30.84 | 38.61 | 49.77 | 53.90 | 61.74 | 77.57 | 87.26 | 84.68 | 76.03 | 58.52 | 43.57 | 28.39 | 63.78 | |||||||||||||
YRS | 34 | 35 | 35 | 34 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 35 | 30 |