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 | 72.90 | 72.87 | 72.68 | 72.55 | 69.44 | 72.09 | g | |||||
1992 | 68.74 | n | 66.33 | 67.05 | 69.05 | 70.40 | 71.67 | 71.94 | 72.63 | 73.48 | 73.44 | 70.85 | 71.82 | 70.79 | a | |||||||||||
1993 | 68.27 | 67.21 | 67.61 | 69.97 | 69.79 | 72.22 | 73.19 | 73.69 | 74.02 | 74.77 | 74.42 | 77.38 | c | 71.88 | ||||||||||||
1994 | 81.13 | a | 82.80 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.95 | u | 81.13 | k |
1995 | 75.12 | c | 80.12 | h | 82.12 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.12 | k |
1996 | ----- | z | 76.29 | q | 66.84 | 70.45 | 71.65 | 72.90 | 73.40 | 73.58 | 73.88 | 74.44 | g | ----- | z | 68.15 | k | 71.81 | e | |||||||
1997 | 68.34 | 69.32 | 69.35 | 70.32 | 70.63 | 72.68 | 72.50 | 74.37 | 74.58 | 73.85 | 71.03 | 68.63 | 71.30 | |||||||||||||
1998 | 68.60 | 67.88 | 69.29 | 68.23 | 68.19 | 69.87 | 71.56 | 73.23 | 72.02 | 72.21 | 71.12 | 69.29 | 70.12 | |||||||||||||
1999 | 68.19 | 67.93 | 68.15 | 68.40 | 70.06 | 70.42 | ----- | z | ----- | z | ----- | z | ----- | z | 70.14 | e | 68.90 | 69.02 | d | |||||||
2000 | 66.61 | 68.67 | 68.84 | 67.93 | 70.03 | 71.53 | 72.52 | 73.16 | 73.05 | 72.63 | 70.98 | a | 69.82 | 70.48 | ||||||||||||
2001 | 69.65 | 68.43 | 68.58 | e | 68.64 | a | 69.58 | 71.14 | a | 72.31 | 73.30 | a | 73.15 | 72.72 | b | 71.82 | 70.08 | 70.78 | ||||||||
2002 | 68.71 | 67.07 | 68.03 | 70.24 | a | 70.97 | b | 72.17 | 72.19 | 73.47 | 73.32 | 72.92 | 71.62 | 70.02 | 70.89 | |||||||||||
2003 | 68.73 | 67.62 | 69.84 | 69.42 | 70.92 | a | 72.28 | 73.24 | 74.00 | 74.05 | 74.61 | 71.63 | 69.95 | 71.36 | ||||||||||||
2004 | 69.52 | c | 69.98 | 68.60 | 69.78 | 71.94 | 72.42 | 73.37 | 74.42 | 74.65 | 73.60 | 72.40 | 70.34 | 71.75 | ||||||||||||
2005 | 69.18 | 67.98 | 68.08 | 69.60 | 71.84 | 72.08 | 72.97 | 73.71 | 74.25 | 72.52 | 71.78 | 70.47 | 71.20 | |||||||||||||
2006 | 69.53 | 67.18 | 68.46 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.79 | n | 73.07 | 71.87 | 70.41 | h | ||||
2007 | 71.94 | 69.95 | 71.42 | a | 69.72 | e | 70.76 | 71.78 | 72.56 | 73.34 | 73.08 | 72.48 | 71.43 | 69.40 | 71.49 | |||||||||||
2008 | 67.31 | 67.66 | 69.05 | 69.18 | 70.42 | 71.23 | 73.18 | 72.55 | 72.28 | 72.03 | ----- | z | 69.32 | c | 70.38 | a | ||||||||||
2009 | 67.34 | 66.14 | 65.86 | c | 67.15 | 74.94 | d | 72.53 | 72.58 | a | 73.45 | c | 73.40 | 74.24 | 71.58 | 69.74 | 70.75 | |||||||||
2010 | 69.32 | 72.43 | 71.61 | 69.43 | 70.97 | 71.18 | 71.84 | 72.13 | 71.75 | p | 72.36 | x | ----- | z | 71.30 | p | 71.11 | d | ||||||||
2011 | 68.55 | 69.84 | 69.34 | 70.38 | 70.77 | 71.07 | b | 71.39 | 72.08 | a | 72.37 | 72.13 | a | 70.50 | 68.92 | 70.61 | ||||||||||
2012 | 69.39 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.68 | m | 72.65 | 70.57 | 69.55 | 70.54 | h | |||
2013 | 67.98 | 66.91 | 67.71 | 70.37 | c | 71.26 | 71.82 | 72.66 | 73.08 | 73.88 | 73.56 | 71.45 | 70.63 | 70.94 | ||||||||||||
2014 | 68.21 | 69.62 | 68.42 | 69.50 | 71.58 | 71.97 | 73.32 | 74.02 | 75.05 | 74.69 | 71.38 | 68.38 | a | 71.35 | ||||||||||||
2015 | 67.37 | 68.70 | 67.28 | a | 70.34 | a | 69.90 | 72.12 | 74.82 | 75.97 | a | 75.53 | a | 73.95 | 73.15 | 70.35 | 71.62 | |||||||||
2016 | 69.45 | 68.97 | 69.66 | 70.78 | a | 71.23 | 72.23 | 74.13 | 74.79 | 74.72 | c | 73.23 | 71.58 | f | 69.36 | j | 71.92 | b | ||||||||
2017 | 68.00 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 69.50 | 68.37 | 68.60 | 69.47 | 70.85 | 71.78 | 72.78 | 73.52 | 73.68 | 73.25 | 71.67 | 70.21 | 71.10 | |||||||||||||
S.D. | 3.07 | 1.49 | 1.39 | 0.95 | 1.28 | 0.75 | 0.84 | 0.90 | 0.95 | 0.88 | 1.03 | 1.87 | 0.50 | |||||||||||||
SKEW | 2.74 | 0.81 | 0.37 | -0.79 | 1.17 | -0.87 | 0.49 | 0.75 | 0.07 | 0.38 | 0.98 | 2.82 | -0.24 | |||||||||||||
MAX | 81.13 | 72.43 | 71.61 | 70.78 | 74.94 | 72.90 | 74.82 | 75.97 | 75.53 | 74.77 | 74.42 | 77.38 | 71.88 | |||||||||||||
MIN | 66.61 | 66.14 | 65.86 | 67.15 | 68.19 | 69.87 | 71.39 | 72.08 | 72.02 | 72.03 | 70.14 | 68.38 | 70.12 | |||||||||||||
YRS | 23 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 20 | 20 | 20 | 21 | 15 |