YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1985 | ----- | z | ----- | z | 50.67 | h | 57.38 | b | 63.58 | a | 73.18 | 75.15 | a | 72.11 | 64.55 | a | 57.90 | a | 48.98 | a | 43.66 | 61.83 | c | |||
1986 | 46.97 | 48.64 | 52.38 | a | 59.15 | 64.32 | 71.33 | a | 71.48 | 72.32 | 65.50 | 57.18 | 49.67 | a | 41.81 | 58.40 | ||||||||||
1987 | 42.25 | a | 43.38 | 47.40 | 57.02 | 60.87 | 70.95 | 74.94 | 69.56 | 65.50 | a | 61.94 | 48.65 | 42.64 | b | 57.09 | ||||||||||
1988 | 42.52 | 47.71 | 50.56 | 54.86 | a | 64.44 | 73.07 | 73.89 | 70.95 | 66.27 | 61.26 | 51.36 | a | 41.92 | a | 58.23 | ||||||||||
1989 | 41.43 | c | 49.62 | 55.88 | a | 63.08 | 67.93 | a | 74.80 | 76.27 | a | 71.15 | 68.37 | 59.65 | 51.13 | 44.05 | 60.28 | |||||||||
1990 | 43.03 | 43.96 | c | 51.60 | 59.28 | 65.06 | 79.33 | 72.84 | 68.77 | 68.43 | 59.19 | 51.35 | 42.76 | 58.80 | ||||||||||||
1991 | 42.55 | 47.82 | 47.79 | 56.10 | 64.07 | c | 69.58 | 73.45 | 71.44 | 66.50 | 61.56 | 50.00 | a | 42.11 | 57.75 | |||||||||||
1992 | 39.00 | a | 45.93 | a | 54.34 | b | 65.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.20 | h | |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.44 | g | 73.36 | b | ----- | z | 59.54 | e | 50.46 | f | 38.56 | f | 66.45 | j |
1998 | 44.86 | b | 42.69 | b | 49.56 | g | 53.15 | c | 63.73 | 72.90 | a | 74.84 | b | 74.37 | 71.61 | b | 61.94 | f | 53.00 | e | 44.64 | b | 59.58 | b | ||
1999 | 45.98 | g | 50.32 | c | 53.78 | f | 55.83 | f | 65.98 | a | 72.33 | c | 70.91 | d | 70.85 | e | 69.27 | f | 60.64 | c | 54.50 | c | 42.79 | e | 61.04 | d |
2000 | 48.13 | d | 49.86 | g | 51.88 | g | 60.45 | 70.50 | 74.43 | g | 74.31 | e | 71.98 | c | 71.28 | 58.29 | e | 44.50 | f | 46.25 | c | 62.65 | d | |||
2001 | 39.15 | d | 44.95 | g | 50.77 | c | 58.22 | e | 68.17 | d | 74.62 | i | 72.41 | h | 71.96 | d | 70.69 | i | 61.74 | d | 51.66 | e | 41.90 | e | 55.45 | d |
2002 | 44.75 | e | 46.83 | e | 51.52 | h | 62.80 | 66.50 | 78.12 | a | 75.21 | 72.98 | 70.33 | a | 59.39 | 51.16 | a | 41.63 | 60.88 | a | ||||||
2003 | 48.18 | 46.71 | b | 49.54 | c | 56.84 | b | 66.84 | i | 74.08 | 79.00 | a | 74.29 | 70.85 | 64.31 | 52.26 | a | 44.65 | a | 60.06 | a | |||||
2004 | 43.15 | d | 43.63 | f | 55.27 | i | 54.65 | 65.24 | 70.77 | 74.71 | g | 71.43 | b | 67.24 | a | 53.24 | b | 39.84 | b | 38.76 | d | 56.04 | c | |||
2005 | 41.58 | e | 45.43 | a | 50.57 | a | 57.89 | c | 67.48 | b | 73.83 | d | 78.69 | 71.92 | 71.28 | 61.08 | a | 52.88 | a | 47.65 | 60.02 | |||||
2006 | 46.76 | 49.91 | a | 51.90 | a | 60.75 | 69.48 | a | 76.37 | 76.23 | 70.33 | a | 65.70 | 59.38 | a | 53.43 | c | 42.83 | a | 60.26 | ||||||
2007 | 39.17 | b | 46.52 | 53.57 | a | 57.95 | 66.12 | a | 74.72 | a | 74.79 | c | 73.65 | a | 69.76 | a | 61.77 | 55.69 | a | 42.95 | c | 59.72 | ||||
2008 | 42.81 | 47.88 | a | 51.88 | c | 58.75 | 64.48 | a | 76.20 | 73.06 | 71.29 | 67.17 | 61.69 | b | 52.25 | 46.69 | b | 59.51 | ||||||||
2009 | 46.60 | 48.84 | 53.94 | 57.27 | b | 68.55 | b | 71.81 | a | 76.62 | a | 74.45 | a | 68.57 | 59.85 | a | 51.93 | 42.42 | 60.07 | |||||||
2010 | 42.76 | 43.87 | b | 49.00 | d | 57.57 | c | 63.31 | 75.95 | b | 74.36 | c | 74.00 | d | 70.94 | d | 61.50 | b | 48.20 | b | 47.96 | d | 59.12 | |||
2011 | 43.50 | c | 44.39 | a | 55.85 | d | 61.94 | c | 65.06 | f | 77.74 | i | 75.83 | g | 74.79 | j | 69.59 | c | 62.31 | e | 49.10 | a | 40.64 | c | 53.42 | d |
2012 | 47.12 | g | 46.54 | f | 52.43 | b | 61.54 | e | 68.26 | b | 76.88 | d | 73.89 | c | 74.31 | 68.21 | a | 63.29 | b | 54.74 | c | 44.44 | d | 63.80 | b | |
2013 | 39.19 | 42.04 | a | 54.68 | c | 59.02 | e | 66.39 | c | 78.63 | c | 74.00 | h | 71.89 | d | 69.00 | a | 59.75 | c | 50.67 | f | 43.44 | e | 58.40 | b | |
2014 | 48.17 | b | 51.64 | c | 53.60 | g | 58.88 | 65.26 | 77.64 | a | 74.50 | b | 70.40 | 68.82 | 62.10 | 51.39 | b | 44.33 | m | 62.88 | b | |||||
2015 | 44.42 | 52.07 | a | 54.52 | h | 57.76 | a | 61.00 | 75.80 | c | 73.23 | g | 74.02 | b | 70.39 | g | 61.20 | h | 49.77 | 43.48 | b | 57.29 | d | |||
2016 | 41.57 | a | 49.78 | b | 55.38 | a | 56.76 | a | 64.43 | a | 76.11 | b | 76.90 | 70.58 | a | 67.71 | p | 64.50 | r | ----- | z | 48.20 | a | 59.97 | c | |
2017 | 44.60 | e | 51.50 | k | 57.58 | 60.38 | a | 65.50 | o | 75.71 | w | 73.97 | 72.69 | r | 71.25 | x | 65.04 | q | 59.57 | a | 47.16 | 57.21 | f | |||
2018 | 47.02 | 49.30 | 54.19 | g | 63.52 | a | 68.13 | 76.82 | b | 76.12 | b | 73.89 | 70.38 | 58.56 | 48.07 | c | 44.52 | 61.48 | a | |||||||
2019 | 43.11 | h | 44.69 | g | 52.52 | 59.00 | b | 59.70 | f | 73.22 | a | 77.10 | f | 74.76 | 68.72 | g | ----- | z | ----- | z | ----- | z | 64.87 | h | ||
2020 | 45.50 | p | ----- | z | ----- | z | 63.88 | v | 70.37 | l | 76.44 | n | 76.76 | l | ----- | z | ----- | z | 65.46 | e | ----- | z | ----- | z | 65.46 | k |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.62 | 47.19 | 52.36 | 58.88 | 65.73 | 74.58 | 74.84 | 72.25 | 68.51 | 60.48 | 51.22 | 43.78 | 59.10 | |||||||||||||
S.D. | 2.88 | 2.86 | 2.73 | 2.81 | 2.44 | 2.65 | 1.96 | 1.65 | 2.14 | 2.44 | 3.52 | 2.33 | 1.06 | |||||||||||||
SKEW | 0.04 | -0.15 | -0.03 | 0.33 | -0.07 | -0.04 | 0.20 | -0.13 | -0.23 | -0.66 | -0.79 | 0.31 | -0.53 | |||||||||||||
MAX | 48.18 | 52.07 | 57.58 | 65.52 | 70.50 | 79.33 | 79.00 | 74.76 | 71.61 | 65.46 | 59.57 | 48.20 | 60.28 | |||||||||||||
MIN | 39.00 | 42.04 | 47.40 | 53.15 | 60.87 | 69.58 | 70.91 | 68.77 | 64.55 | 53.24 | 39.84 | 38.76 | 57.09 | |||||||||||||
YRS | 26 | 23 | 21 | 29 | 25 | 25 | 23 | 28 | 23 | 26 | 25 | 27 | 12 |