YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.63 | l | ----- | z | ----- | z | ----- | z | ----- | z | 43.50 | i | ----- | z |
1989 | 40.68 | a | 45.23 | b | 56.21 | b | 65.78 | 73.18 | a | 77.57 | a | 84.00 | 73.58 | 70.92 | 60.20 | a | 52.63 | g | 43.48 | c | 62.80 | a | ||||
1990 | 44.24 | 44.78 | a | 54.30 | c | 61.68 | b | 67.03 | 78.88 | a | 83.41 | b | 81.18 | a | 74.23 | 61.28 | a | 49.07 | 36.08 | a | 61.35 | |||||
1991 | 39.67 | d | 52.77 | 45.60 | a | 56.95 | 63.05 | a | 74.02 | 81.82 | 81.10 | 74.47 | 62.72 | d | 49.47 | 42.12 | c | 60.31 | ||||||||
1992 | 43.48 | b | 48.38 | 51.40 | a | 67.42 | 69.94 | d | 74.48 | 78.77 | 78.52 | 71.08 | 61.73 | 44.81 | a | 38.59 | c | 60.72 | ||||||||
1993 | 42.85 | 44.27 | f | 55.68 | ----- | z | 65.03 | p | ----- | z | 78.41 | b | 78.40 | a | 72.07 | 60.63 | 46.21 | a | 42.59 | c | 59.60 | d | ||||
1994 | 44.65 | 42.77 | 55.27 | 59.59 | a | 67.13 | 81.03 | o | 83.87 | 82.68 | 73.52 | 59.15 | 43.00 | a | ----- | z | 61.16 | b | ||||||||
1995 | 41.73 | a | 52.06 | a | 50.65 | 55.40 | 61.86 | b | 71.88 | b | 79.24 | f | 81.23 | 74.29 | a | 63.97 | 56.17 | a | 46.68 | a | 59.63 | a | ||||
1996 | 43.73 | 52.39 | b | 54.87 | e | 62.67 | 69.47 | 77.52 | ----- | z | 82.20 | a | 70.57 | 56.29 | j | 50.48 | 42.37 | a | 60.62 | b | ||||||
1997 | 42.18 | 45.80 | 54.74 | 56.37 | 72.52 | 75.10 | 79.39 | h | 79.83 | a | 73.84 | a | 59.31 | 50.45 | 42.55 | a | 59.34 | a | ||||||||
1998 | 44.72 | a | 44.34 | 51.47 | a | 54.40 | a | 62.94 | 71.26 | a | 81.94 | 82.77 | a | 71.37 | 58.92 | 47.81 | i | 40.56 | d | 60.42 | a | |||||
1999 | 44.44 | 46.38 | 53.47 | m | 52.69 | a | 65.24 | b | 73.60 | a | 78.60 | 78.63 | 72.25 | 63.10 | b | 53.11 | c | 41.97 | 60.91 | a | ||||||
2000 | 43.27 | a | 46.55 | 51.09 | b | 60.77 | 72.48 | j | 76.53 | 78.47 | 78.50 | 70.78 | a | 56.84 | i | 40.63 | 41.94 | 58.85 | b | |||||||
2001 | 43.53 | b | 46.27 | 54.60 | 60.30 | 74.76 | 77.44 | m | 81.66 | 82.50 | 76.35 | 64.82 | a | 53.22 | 38.68 | 61.52 | a | |||||||||
2002 | 41.40 | 47.79 | 50.81 | d | 64.43 | 69.25 | a | 79.96 | e | 85.42 | a | 80.18 | 73.27 | 60.30 | a | ----- | z | 41.19 | 63.09 | a | ||||||
2003 | 49.42 | 45.61 | a | 52.02 | a | 55.86 | b | 69.68 | a | ----- | z | 85.37 | a | 81.71 | 74.77 | ----- | z | 45.04 | e | ----- | z | 62.16 | c | |||
2004 | 41.21 | 40.14 | a | 58.70 | a | 58.96 | c | 66.47 | ----- | z | 81.73 | 78.27 | 70.72 | 58.27 | a | 44.41 | a | 41.98 | h | 59.89 | b | |||||
2005 | 42.74 | b | 45.98 | a | 49.66 | 55.26 | a | 67.21 | c | ----- | z | 82.04 | s | 78.08 | a | 69.47 | a | 60.03 | 50.11 | c | 39.94 | e | 55.85 | b | ||
2006 | 41.67 | e | 46.33 | a | 45.33 | a | 57.07 | a | 72.12 | f | 78.37 | d | 82.47 | 77.75 | a | 68.84 | a | 56.27 | c | 46.17 | c | 37.80 | c | 58.01 | a | |
2007 | 37.47 | a | 43.75 | 53.58 | a | 58.74 | e | ----- | z | 74.66 | e | 80.97 | 78.12 | c | 76.19 | f | 61.71 | b | 51.60 | a | ----- | z | 60.07 | c | ||
2008 | 35.26 | n | 42.34 | a | 50.46 | c | 55.80 | b | 64.26 | b | 65.27 | b | 83.27 | a | ----- | z | 75.65 | 61.57 | a | 52.76 | a | 37.98 | b | 58.94 | b | |
2009 | 44.90 | b | 44.88 | ----- | z | 58.40 | e | 74.02 | 75.22 | 85.90 | a | 80.81 | 76.26 | a | 58.88 | a | 51.18 | 39.22 | b | 62.70 | a | |||||
2010 | 43.62 | b | 46.23 | b | 49.24 | n | 57.85 | m | 65.17 | b | 78.64 | b | 85.78 | b | 81.74 | 76.95 | 65.63 | 49.65 | 45.63 | 63.90 | b | |||||
2011 | 42.94 | 43.84 | c | 52.62 | a | 58.02 | 59.67 | y | 76.78 | 82.34 | 85.13 | 77.34 | a | 63.24 | 49.18 | 42.50 | 61.27 | a | ||||||||
2012 | 45.76 | 47.19 | 52.34 | 62.21 | a | 73.34 | 79.32 | p | 84.05 | j | 83.78 | o | 77.42 | 64.52 | a | 54.55 | 42.10 | a | 57.71 | c | ||||||
2013 | 41.91 | b | 44.48 | d | 56.50 | 61.48 | a | 70.00 | 81.62 | 87.35 | 81.69 | 73.44 | e | 60.58 | a | 51.70 | e | 41.84 | 62.72 | |||||||
2014 | 47.55 | 50.26 | a | 55.80 | a | 63.40 | e | 69.73 | 80.53 | 86.11 | 78.21 | 77.10 | d | 66.44 | n | 53.38 | 44.77 | c | 64.26 | a | ||||||
2015 | 47.58 | e | 53.18 | f | 58.37 | a | 59.70 | 65.52 | 81.95 | 80.60 | g | 85.06 | 78.25 | f | 69.60 | 48.93 | b | 40.60 | 61.92 | c | ||||||
2016 | 42.50 | h | 51.60 | e | 54.43 | d | 60.95 | 67.04 | h | 82.17 | f | 84.53 | p | 82.48 | 76.78 | j | 66.91 | o | 51.64 | h | 43.60 | u | 62.37 | h | ||
2017 | 42.32 | q | 51.17 | j | 57.90 | e | 59.58 | 67.17 | h | 79.00 | v | ----- | z | 83.35 | n | 73.81 | d | 64.17 | s | 56.80 | j | 49.35 | r | 63.76 | i | |
2018 | 49.39 | i | 46.89 | f | 52.78 | f | 63.81 | f | 72.31 | m | 79.94 | f | 88.73 | p | 83.36 | j | 75.68 | b | 61.33 | j | 52.88 | v | ----- | z | 75.68 | k |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.36 | 46.47 | 53.25 | 59.40 | 68.26 | 76.19 | 82.75 | 80.40 | 73.57 | 61.58 | 49.39 | 41.36 | 61.27 | |||||||||||||
S.D. | 2.53 | 3.19 | 3.41 | 3.58 | 3.79 | 3.97 | 2.71 | 2.55 | 2.53 | 2.90 | 3.89 | 2.56 | 1.05 | |||||||||||||
SKEW | 0.23 | 0.49 | -0.57 | 0.29 | 0.09 | -0.87 | -0.17 | -0.35 | -0.10 | 0.77 | -0.46 | 0.01 | 0.64 | |||||||||||||
MAX | 49.42 | 52.77 | 58.70 | 67.42 | 74.76 | 81.95 | 87.35 | 85.13 | 77.42 | 69.60 | 56.17 | 46.68 | 62.72 | |||||||||||||
MIN | 37.47 | 40.14 | 45.33 | 52.69 | 61.86 | 65.27 | 78.41 | 73.58 | 68.84 | 56.27 | 40.63 | 36.08 | 60.31 | |||||||||||||
YRS | 26 | 26 | 26 | 27 | 22 | 20 | 21 | 26 | 27 | 23 | 24 | 23 | 4 |