YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.97 | a | 38.10 | 50.03 | j | |
1984 | 45.16 | 57.00 | 58.87 | 65.33 | 78.14 | b | 84.87 | 90.10 | 85.17 | b | 81.17 | 63.37 | a | 59.20 | 48.81 | 68.10 | ||||||||||
1985 | 43.80 | a | 48.54 | 60.29 | 72.47 | 77.17 | b | 84.77 | 92.03 | b | 91.19 | 80.13 | 68.71 | 59.70 | 49.35 | 69.01 | ||||||||||
1986 | 58.32 | 52.96 | 66.80 | a | 73.62 | a | 77.40 | a | 83.00 | 91.39 | 88.97 | 80.93 | 68.70 | a | 56.33 | 47.00 | a | 70.45 | ||||||||
1987 | 46.00 | 51.78 | a | 59.41 | b | 69.40 | 76.55 | 84.23 | 89.74 | 86.68 | 78.90 | 72.31 | b | 60.50 | 46.48 | 68.50 | ||||||||||
1988 | 44.06 | 54.28 | 59.65 | 67.33 | 77.26 | 85.47 | 87.58 | 87.71 | 78.90 | 73.29 | 62.20 | 49.94 | 68.97 | |||||||||||||
1989 | 52.97 | 44.96 | 68.74 | 74.73 | 80.93 | a | 79.50 | 87.84 | 85.00 | 79.14 | a | 73.45 | 63.50 | 44.71 | 69.62 | |||||||||||
1990 | 50.48 | d | 51.36 | 59.36 | f | 68.62 | a | 76.37 | a | 95.87 | 88.58 | 86.23 | 81.87 | 70.65 | 62.82 | b | 46.27 | a | 70.83 | a | ||||||
1991 | 43.81 | 58.21 | 61.19 | 70.47 | 81.23 | 86.41 | a | 85.17 | a | 84.77 | 75.93 | c | 74.97 | 57.12 | d | 48.13 | 68.95 | |||||||||
1992 | 48.23 | 56.72 | 64.26 | 71.48 | a | 73.90 | 83.20 | 89.48 | 85.19 | 83.26 | c | 74.16 | 52.37 | 50.09 | i | 71.11 | a | |||||||||
1993 | 46.10 | a | 50.00 | 62.19 | 69.53 | 77.81 | 84.89 | c | 89.23 | 87.39 | 82.47 | 69.45 | 54.90 | 52.97 | 68.91 | |||||||||||
1994 | 51.55 | 53.32 | 61.97 | a | 68.97 | 76.75 | c | 92.43 | 91.58 | 90.53 | a | 83.80 | 70.39 | 60.50 | b | 54.94 | 71.39 | |||||||||
1995 | 48.74 | 59.25 | 59.94 | 65.27 | 74.42 | 83.43 | b | 90.72 | f | 90.87 | 80.68 | b | 73.61 | 64.73 | 50.61 | 68.32 | a | |||||||||
1996 | 51.26 | 57.00 | 58.29 | 71.53 | 86.06 | 88.20 | 87.63 | a | 85.81 | 77.03 | 70.26 | 59.50 | 50.90 | 70.29 | ||||||||||||
1997 | 45.45 | 48.07 | 65.55 | 61.08 | d | 75.32 | 83.53 | 91.00 | 87.45 | 83.10 | 71.93 | a | 54.73 | 44.74 | 67.66 | |||||||||||
1998 | 52.55 | 51.21 | 57.68 | 65.77 | 83.81 | 91.37 | 93.58 | 85.74 | 88.00 | 71.00 | 61.83 | 51.26 | 71.15 | |||||||||||||
1999 | 53.42 | 60.82 | 56.73 | p | 71.58 | r | 74.94 | 84.83 | 91.29 | 90.29 | 79.07 | 73.72 | m | 67.73 | d | 51.77 | 72.68 | c | ||||||||
2000 | 55.13 | 62.21 | 62.74 | 71.90 | 85.39 | 86.24 | a | 93.19 | 93.81 | 90.00 | a | 68.74 | 50.13 | 46.68 | 72.18 | |||||||||||
2001 | 42.19 | 53.36 | 55.85 | d | 74.64 | b | 76.29 | c | 88.30 | 94.68 | 89.16 | 84.89 | b | 73.74 | 61.30 | 51.61 | 70.50 | |||||||||
2002 | 50.48 | 52.74 | a | 59.44 | d | 72.53 | 80.59 | b | 92.35 | j | 91.80 | p | 87.80 | u | 81.19 | n | 64.17 | g | 56.17 | g | 48.27 | e | 60.68 | f | ||
2003 | 55.35 | e | 51.07 | 62.39 | 71.00 | h | 82.33 | a | 84.08 | r | 96.14 | x | 90.60 | u | 87.46 | q | 76.90 | u | 66.92 | r | 61.50 | o | 62.78 | h | ||
2004 | 54.80 | p | 53.23 | p | 70.08 | s | 77.18 | s | 85.73 | t | 90.50 | r | 86.50 | u | 88.36 | q | 82.83 | r | 78.50 | s | 62.20 | t | 61.38 | w | ----- | z |
2005 | 57.00 | w | 59.57 | u | 72.00 | y | 81.67 | x | 82.67 | y | 91.00 | x | 93.33 | v | 86.67 | y | 89.50 | v | 72.20 | u | 64.89 | b | 51.10 | 57.99 | j | |
2006 | 57.90 | 57.25 | 60.42 | 76.30 | 83.19 | 92.17 | 91.19 | 84.84 | 75.17 | 72.03 | 64.33 | 51.67 | a | 72.21 | ||||||||||||
2007 | 42.16 | 56.86 | 67.06 | 67.30 | 77.00 | 86.07 | 90.74 | 92.84 | 85.93 | 78.81 | 60.87 | 47.23 | 71.07 | |||||||||||||
2008 | 49.00 | 56.07 | a | 62.13 | 70.13 | 77.94 | 90.37 | 85.26 | 84.84 | 79.93 | 71.13 | 60.97 | 51.00 | 69.90 | ||||||||||||
2009 | 54.10 | 59.25 | 63.77 | 68.77 | 77.29 | 87.87 | 90.06 | 87.35 | 78.43 | 64.94 | 62.70 | 42.23 | 69.73 | |||||||||||||
2010 | 48.90 | 40.25 | 59.61 | 69.50 | 76.74 | 90.43 | 89.81 | 89.84 | 86.57 | 74.10 | 60.80 | 53.65 | 70.02 | |||||||||||||
2011 | 50.71 | 51.43 | 67.32 | ----- | z | 82.00 | j | 97.33 | o | ----- | z | 95.29 | c | 81.40 | 72.61 | 60.27 | 40.84 | 64.98 | d | |||||||
2012 | 55.35 | 51.93 | 69.35 | 75.87 | 81.29 | 91.30 | 93.39 | 91.52 | 83.67 | 70.74 | ----- | z | ----- | z | 76.44 | b | ||||||||||
2013 | 46.94 | ----- | z | ----- | z | 68.10 | 80.42 | 92.50 | 88.42 | 89.84 | 81.90 | 69.32 | 55.57 | 47.94 | 72.09 | b | ||||||||||
2014 | 51.32 | 52.36 | 62.13 | 70.07 | 78.71 | 87.70 | 88.39 | 90.61 | 79.90 | 72.81 | 58.23 | 50.55 | 70.23 | |||||||||||||
2015 | 47.16 | 55.29 | 65.94 | 73.23 | 72.68 | 86.47 | 91.03 | 88.10 | 88.69 | d | 72.10 | 64.44 | e | 52.26 | 71.45 | |||||||||||
2016 | 53.03 | 59.21 | 65.19 | 68.60 | 76.23 | 90.63 | 96.87 | 86.03 | ----- | z | ----- | z | ----- | z | ----- | z | 74.47 | d | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 49.73 | 53.83 | 62.44 | 70.09 | 78.47 | 87.36 | 90.34 | 88.38 | 81.82 | 71.38 | 60.14 | 48.65 | 70.01 | |||||||||||||
S.D. | 4.50 | 4.77 | 3.51 | 3.49 | 3.36 | 3.76 | 2.67 | 2.92 | 3.71 | 3.07 | 3.98 | 3.88 | 1.28 | |||||||||||||
SKEW | 0.06 | -0.65 | 0.30 | -0.31 | 0.62 | 0.25 | 0.22 | 0.54 | 0.43 | -0.43 | -0.62 | -0.89 | 0.02 | |||||||||||||
MAX | 58.32 | 62.21 | 69.35 | 76.30 | 86.06 | 95.87 | 96.87 | 95.29 | 90.00 | 78.81 | 67.73 | 54.94 | 72.21 | |||||||||||||
MIN | 42.16 | 40.25 | 55.85 | 61.08 | 72.68 | 79.50 | 85.17 | 84.77 | 75.17 | 63.37 | 50.13 | 38.10 | 67.66 | |||||||||||||
YRS | 31 | 30 | 28 | 28 | 30 | 28 | 27 | 29 | 28 | 27 | 29 | 29 | 21 |