YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.23 | 76.73 | 76.65 | 75.93 | 72.81 | 75.67 | g | |||||
1992 | 72.88 | n | 70.21 | 71.06 | 73.73 | 74.55 | 75.33 | 75.74 | 76.13 | 77.33 | 77.42 | 74.40 | 74.74 | 74.60 | a | |||||||||||
1993 | 71.74 | 71.07 | 71.68 | 73.73 | 73.81 | 75.97 | 77.00 | 77.52 | 78.20 | 78.48 | 78.07 | 81.06 | 75.69 | |||||||||||||
1994 | 84.94 | 88.33 | d | 87.61 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.85 | r | 86.63 | j | |
1995 | 78.93 | c | 85.48 | e | 86.58 | g | 84.07 | p | 85.60 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.33 | y | 82.20 | j |
1996 | 91.14 | x | 83.58 | j | 71.03 | 74.37 | 75.81 | 76.63 | 76.87 | 77.48 | 77.30 | 77.38 | g | ----- | z | 72.05 | k | 75.64 | e | |||||||
1997 | 72.45 | 73.93 | 73.55 | 75.27 | 76.13 | 77.17 | 76.84 | 79.52 | 79.50 | 78.52 | 75.73 | 73.10 | 75.97 | |||||||||||||
1998 | 74.39 | 73.32 | 74.87 | 73.17 | 72.87 | 73.97 | 76.26 | 78.39 | 77.03 | 76.74 | 75.07 | 73.68 | 74.98 | |||||||||||||
1999 | 72.87 | 72.50 | 72.74 | 72.60 | 74.00 | 74.40 | ----- | z | ----- | z | ----- | z | ----- | z | 74.20 | e | 72.39 | 73.21 | d | |||||||
2000 | 70.71 | 73.10 | 73.10 | 71.90 | 73.87 | 75.67 | 76.23 | 77.16 | 77.00 | 76.32 | 74.52 | a | 73.74 | 74.44 | ||||||||||||
2001 | 73.68 | 72.54 | 72.92 | e | 72.24 | a | 73.39 | 75.07 | a | 76.26 | 77.23 | a | 77.17 | 76.97 | b | 75.83 | 73.45 | 74.73 | ||||||||
2002 | 72.55 | 71.57 | 72.06 | 74.38 | a | 74.79 | b | 76.07 | 75.71 | 77.23 | 77.53 | 77.19 | 76.03 | 74.71 | 74.99 | |||||||||||
2003 | 73.58 | 71.96 | 74.35 | 73.17 | 75.53 | a | 76.87 | 77.32 | 78.19 | 78.57 | 79.48 | 75.63 | 73.74 | 75.70 | ||||||||||||
2004 | 73.86 | c | 74.10 | 72.55 | 74.33 | 76.29 | 76.63 | 77.81 | 78.52 | 79.70 | 77.90 | 77.00 | 74.71 | 76.12 | ||||||||||||
2005 | 73.65 | 72.68 | 72.68 | 73.93 | 76.84 | 76.40 | 77.55 | 78.55 | 78.83 | 76.84 | 76.07 | 75.81 | 75.82 | |||||||||||||
2006 | 73.97 | 72.04 | 71.57 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.53 | n | 76.60 | 75.84 | 74.61 | h | ||||
2007 | 76.42 | 75.04 | 75.07 | a | 74.60 | e | 75.32 | 76.43 | 76.97 | 78.19 | 77.33 | 77.03 | 76.13 | 73.19 | 75.98 | |||||||||||
2008 | 71.90 | 72.34 | 73.65 | 73.73 | 75.13 | 75.97 | 78.23 | 77.35 | 77.27 | 76.61 | ----- | z | 73.29 | c | 75.04 | a | ||||||||||
2009 | 71.48 | 70.68 | 69.86 | b | 71.63 | 79.78 | d | 77.10 | 76.83 | a | 77.86 | c | 78.37 | 79.26 | 76.17 | 75.32 | 75.36 | |||||||||
2010 | 74.58 | 76.07 | 74.97 | 73.83 | 75.48 | 75.73 | 76.77 | 76.71 | 76.64 | p | 76.86 | x | ----- | z | 75.60 | p | 75.52 | d | ||||||||
2011 | 73.32 | 74.68 | 73.65 | 74.93 | 74.97 | 75.36 | b | 76.00 | 76.63 | a | 77.60 | 76.63 | a | 74.80 | 73.16 | 75.14 | ||||||||||
2012 | 74.46 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.29 | m | 77.16 | 75.37 | 73.58 | 75.14 | h | |||
2013 | 72.39 | 71.46 | 72.87 | 74.77 | 76.00 | 76.40 | 77.52 | 77.97 | 79.17 | 78.61 | 76.17 | 75.13 | 75.70 | |||||||||||||
2014 | 73.00 | 73.93 | 73.16 | 74.20 | 76.29 | 76.80 | 78.03 | 79.13 | 80.33 | 79.35 | 75.90 | 72.83 | a | 76.08 | ||||||||||||
2015 | 72.42 | 73.54 | 71.90 | a | 75.17 | a | 75.16 | 77.30 | 79.77 | 80.73 | a | 79.62 | a | 78.55 | 77.03 | 74.39 | 76.30 | |||||||||
2016 | 75.29 | 74.79 | 75.55 | 76.00 | a | 76.10 | 77.20 | 79.16 | 79.55 | 79.74 | c | 77.94 | 76.29 | f | 72.48 | j | 77.13 | b | ||||||||
2017 | 71.29 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 74.02 | 74.15 | 73.01 | 73.89 | 75.34 | 76.12 | 77.14 | 77.92 | 78.22 | 77.68 | 75.83 | 74.32 | 75.53 | |||||||||||||
S.D. | 2.95 | 4.31 | 1.46 | 1.13 | 1.47 | 0.91 | 1.07 | 1.16 | 1.13 | 1.02 | 0.95 | 1.84 | 0.56 | |||||||||||||
SKEW | 2.42 | 2.39 | -0.15 | -0.36 | 1.00 | -0.74 | 0.84 | 0.56 | 0.40 | 0.43 | 0.24 | 2.41 | -0.50 | |||||||||||||
MAX | 84.94 | 88.33 | 75.55 | 76.00 | 79.78 | 77.30 | 79.77 | 80.73 | 80.33 | 79.48 | 78.07 | 81.06 | 76.30 | |||||||||||||
MIN | 70.71 | 70.21 | 69.86 | 71.63 | 72.87 | 73.97 | 75.71 | 76.13 | 76.73 | 76.32 | 74.20 | 72.39 | 74.44 | |||||||||||||
YRS | 23 | 23 | 21 | 21 | 21 | 21 | 20 | 21 | 20 | 20 | 20 | 21 | 15 |