YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1982 | ----- | z | ----- | z | ----- | z | ----- | z | 73.03 | 80.93 | 85.70 | a | 85.71 | 80.87 | 67.55 | a | 58.57 | a | 50.37 | 72.84 | d | |||||
1983 | 52.11 | 53.12 | 57.32 | 60.48 | b | 72.93 | a | 80.72 | 87.16 | 84.11 | 82.52 | 69.73 | 57.00 | 53.60 | 67.57 | |||||||||||
1984 | 51.63 | 52.95 | a | 60.58 | a | 64.64 | a | 79.26 | 83.19 | d | 84.16 | b | 83.87 | e | 81.57 | 66.82 | 57.67 | a | 51.25 | c | 68.13 | |||||
1985 | 50.86 | b | 52.19 | a | 59.24 | 69.23 | 75.58 | a | 83.77 | 86.52 | 84.88 | a | 76.42 | 69.07 | a | 57.52 | 51.82 | 68.09 | ||||||||
1986 | 57.82 | 57.05 | 64.23 | 69.21 | a | 76.61 | 85.47 | a | 85.73 | 86.76 | 79.33 | 68.92 | 59.55 | a | 51.40 | 70.17 | ||||||||||
1987 | 51.00 | a | 54.44 | a | 60.71 | 70.55 | 75.02 | 85.32 | 86.94 | 85.29 | 79.17 | 74.82 | 58.67 | 49.84 | 69.31 | |||||||||||
1988 | 50.37 | 56.55 | 59.55 | 66.43 | 74.50 | 84.42 | 88.15 | 85.50 | 79.65 | 74.44 | 58.30 | 51.29 | 69.10 | |||||||||||||
1989 | 49.84 | 57.12 | 64.29 | 72.72 | 76.87 | a | 84.05 | 89.55 | 85.76 | 83.57 | a | 70.53 | a | 59.63 | 50.61 | 70.38 | ||||||||||
1990 | 50.11 | 52.09 | 61.43 | a | 69.18 | 74.79 | 87.45 | a | 85.61 | 82.73 | 82.35 | c | 71.10 | b | 59.56 | d | 49.69 | 68.84 | ||||||||
1991 | 50.90 | 58.77 | b | 55.44 | 64.62 | 73.44 | 80.33 | a | 86.55 | 86.47 | 81.25 | 73.27 | 58.00 | 53.73 | 68.56 | |||||||||||
1992 | 51.44 | 56.95 | 58.98 | 69.55 | 76.16 | 83.18 | 85.87 | 85.23 | 83.42 | 73.10 | 55.58 | 51.95 | 69.28 | |||||||||||||
1993 | 56.08 | 54.11 | a | 60.34 | 66.88 | 76.52 | a | 83.15 | 86.97 | 85.34 | 80.60 | 71.24 | 56.87 | 52.15 | 69.19 | |||||||||||
1994 | 51.87 | a | 53.64 | 61.98 | 67.47 | 73.93 | a | 87.60 | 88.87 | 88.50 | 82.67 | 69.32 | 56.03 | 52.55 | 69.54 | |||||||||||
1995 | 51.55 | 59.66 | 60.40 | 63.70 | 71.16 | 81.07 | 88.05 | 88.05 | 83.15 | 72.15 | a | 62.90 | 53.44 | 69.61 | ||||||||||||
1996 | 53.72 | a | 59.18 | a | 61.11 | 68.77 | 78.13 | 86.48 | 90.06 | 87.48 | 78.60 | 70.42 | a | 61.00 | 53.69 | 70.72 | ||||||||||
1997 | 52.58 | 54.50 | 64.47 | 65.97 | 79.81 | 82.82 | 88.53 | 87.55 | 85.23 | 70.77 | a | 60.47 | 48.19 | 70.07 | ||||||||||||
1998 | 53.73 | 51.30 | 58.74 | 61.83 | 73.00 | 81.78 | a | 88.02 | 88.24 | 83.88 | 71.82 | 61.43 | 52.68 | 68.87 | ||||||||||||
1999 | 54.22 | b | 57.62 | 62.29 | 63.43 | 74.71 | 84.50 | 85.35 | 86.02 | 81.80 | 74.37 | 65.17 | 51.42 | 70.08 | ||||||||||||
2000 | 55.19 | 58.50 | 59.79 | 70.62 | a | 80.34 | 85.28 | 89.35 | 86.26 | 84.66 | a | 69.58 | 52.97 | a | 53.71 | 70.52 | ||||||||||
2001 | 50.56 | 53.68 | 61.15 | 68.12 | 79.76 | 85.78 | 87.60 | 87.08 | 85.33 | 73.65 | a | 64.05 | 50.53 | a | 70.61 | |||||||||||
2002 | 52.65 | 57.27 | 59.42 | 72.26 | a | 76.33 | a | 87.70 | 88.05 | 87.31 | 83.22 | 70.67 | a | 62.12 | 51.60 | 70.71 | ||||||||||
2003 | 58.35 | 55.55 | 60.73 | 65.98 | 77.90 | a | 85.67 | 90.47 | 87.26 | 83.53 | 76.08 | 60.02 | 53.81 | 71.28 | ||||||||||||
2004 | 53.44 | 51.81 | 67.06 | 66.54 | b | 77.79 | 84.78 | 87.81 | 85.85 | 81.77 | 69.58 | 57.52 | a | 52.60 | 69.71 | |||||||||||
2005 | 54.63 | 55.91 | 59.45 | a | 68.38 | a | 77.47 | 85.45 | 90.77 | 84.63 | 84.12 | 73.21 | 62.58 | 54.40 | a | 70.92 | ||||||||||
2006 | 54.66 | 57.21 | 59.55 | 68.93 | a | 79.05 | 88.15 | 89.57 | a | 85.47 | 79.43 | 70.60 | ----- | z | 51.90 | 71.32 | a | |||||||||
2007 | 49.68 | a | 57.07 | 63.74 | 68.83 | 78.44 | 85.80 | 88.73 | 87.31 | 83.52 | 73.03 | 65.48 | a | 50.12 | a | 70.98 | ||||||||||
2008 | 51.89 | 55.24 | 60.48 | 67.60 | 73.68 | a | 86.10 | 86.84 | 86.11 | 82.66 | a | 72.74 | 62.47 | a | 53.84 | c | 69.97 | |||||||||
2009 | 55.23 | 57.46 | 62.97 | 67.45 | 79.88 | c | 83.28 | a | ----- | z | 88.75 | a | 83.38 | a | 71.46 | c | ----- | z | ----- | z | 72.21 | c | ||||
2010 | 50.36 | x | ----- | z | 57.94 | 65.47 | 72.85 | 85.30 | 89.55 | 87.65 | 84.60 | 72.42 | 57.63 | 55.55 | 72.90 | b | ||||||||||
2011 | 49.98 | 51.09 | 63.26 | 68.93 | 72.50 | 84.33 | 87.95 | 89.44 | 82.71 | b | 72.19 | 58.59 | a | 48.21 | 69.10 | |||||||||||
2012 | 54.13 | a | 54.96 | a | 59.48 | c | 68.17 | d | 77.47 | 86.43 | 86.31 | 87.31 | 84.44 | u | ----- | z | ----- | z | ----- | z | 71.78 | d | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.77 | 55.41 | 60.87 | 67.40 | 76.09 | 84.52 | 87.69 | 86.38 | 82.17 | 71.49 | 59.55 | 51.93 | 69.67 | |||||||||||||
S.D. | 2.34 | 2.48 | 2.42 | 2.82 | 2.59 | 2.12 | 1.66 | 1.53 | 2.14 | 2.18 | 2.96 | 1.80 | 0.98 | |||||||||||||
SKEW | 0.70 | -0.15 | 0.36 | -0.47 | -0.03 | -0.33 | -0.03 | -0.20 | -0.76 | -0.04 | 0.19 | -0.23 | -0.30 | |||||||||||||
MAX | 58.35 | 59.66 | 67.06 | 72.72 | 80.34 | 88.15 | 90.77 | 89.44 | 85.33 | 76.08 | 65.48 | 55.55 | 71.28 | |||||||||||||
MIN | 49.68 | 51.09 | 55.44 | 60.48 | 71.16 | 80.33 | 84.16 | 82.73 | 76.42 | 66.82 | 52.97 | 48.19 | 67.57 | |||||||||||||
YRS | 29 | 29 | 30 | 30 | 31 | 31 | 30 | 31 | 30 | 30 | 28 | 29 | 26 |