YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.60 | f | 32.08 | f | ----- | z |
1989 | 30.97 | b | 30.54 | b | 47.80 | d | 52.65 | g | 56.70 | f | 66.02 | e | 71.08 | e | 67.13 | d | 61.67 | i | 50.58 | f | 41.96 | b | 36.03 | b | 48.94 | d |
1990 | 33.28 | d | 29.98 | d | 46.00 | d | 54.32 | e | 54.50 | i | 64.14 | e | 72.50 | e | 70.64 | c | 64.37 | c | 53.98 | i | 40.83 | d | 24.19 | g | 52.90 | c |
1991 | 31.52 | d | 43.90 | d | 40.20 | d | 48.16 | e | 53.87 | h | 62.11 | g | 73.14 | c | 71.07 | b | 65.09 | c | 56.39 | h | 43.60 | e | 33.59 | d | 50.03 | c |
1992 | 35.67 | d | 42.22 | d | 45.86 | c | 54.65 | f | 63.81 | b | 65.37 | d | 70.45 | b | 70.87 | e | 64.34 | b | 55.09 | d | 40.96 | b | 32.09 | d | 53.34 | a |
1993 | 26.52 | g | 35.02 | d | 48.69 | e | 48.83 | f | 58.52 | g | 60.72 | g | 67.62 | g | 67.77 | g | 62.09 | c | 52.83 | g | 38.09 | c | 35.59 | b | 43.90 | g |
1994 | 35.68 | a | 36.82 | c | 47.80 | f | 51.54 | d | 57.85 | e | 66.07 | c | 73.98 | a | 70.85 | d | 62.17 | d | 50.39 | d | 33.24 | i | 34.41 | b | 53.98 | b |
1995 | 37.98 | d | 44.40 | d | 41.18 | f | 45.20 | h | 54.92 | g | 61.43 | g | 69.30 | d | 68.10 | f | 64.04 | c | 54.50 | h | 48.88 | a | 38.95 | c | 50.59 | f |
1996 | 38.90 | b | 41.20 | d | 44.06 | g | 50.33 | i | 56.12 | e | 66.38 | d | 74.75 | e | 71.09 | c | 61.20 | e | ----- | z | 42.78 | a | 38.39 | i | 56.55 | d |
1997 | 35.73 | a | 38.24 | e | 47.54 | f | 49.00 | e | 61.24 | b | ----- | z | 69.89 | c | ----- | z | 63.85 | d | 51.94 | d | 42.89 | c | ----- | z | 51.60 | d |
1998 | 38.53 | b | 36.63 | e | ----- | z | 45.00 | h | 50.70 | f | 61.94 | e | ----- | z | 71.75 | c | 64.86 | e | 48.74 | f | 42.03 | a | 32.98 | b | 49.82 | e |
1999 | 36.86 | b | 39.07 | f | 43.58 | e | 45.88 | e | 56.91 | d | 64.68 | e | 70.47 | b | 67.81 | d | 63.88 | e | 55.08 | f | 46.67 | 34.68 | a | 53.14 | b | |
2000 | 38.53 | a | 41.61 | b | 44.81 | e | 52.42 | f | 58.81 | d | 68.29 | f | 68.98 | c | 70.91 | d | 61.42 | e | 39.93 | p | 37.95 | a | 37.82 | a | 51.20 | c |
2001 | 33.43 | c | 35.98 | c | 48.36 | b | 46.91 | b | 61.81 | w | 67.10 | f | 70.60 | e | 72.68 | c | ----- | z | 57.22 | h | 44.03 | a | 36.47 | b | 48.56 | d |
2002 | 34.61 | h | 41.02 | c | 44.00 | d | 50.65 | f | 56.83 | d | 69.34 | e | 76.50 | e | 70.33 | d | 63.90 | e | 52.30 | f | 43.54 | d | 37.69 | b | 55.91 | c |
2003 | 43.12 | b | 37.82 | f | 46.90 | a | 45.13 | d | 59.02 | b | 68.93 | c | 77.02 | g | 71.70 | c | 65.83 | c | 58.14 | f | 39.48 | e | 37.66 | b | 53.08 | c |
2004 | 35.43 | d | 38.76 | b | 49.61 | d | 51.52 | c | 57.85 | d | 67.00 | 74.69 | 71.71 | c | 63.62 | d | 51.11 | 39.96 | c | 34.39 | c | 52.97 | ||||
2005 | 29.59 | b | 37.90 | b | 45.53 | a | 48.44 | c | 58.23 | c | 62.24 | e | 75.86 | b | 71.98 | c | 60.67 | d | 54.27 | c | 44.60 | f | 38.46 | e | 53.02 | a |
2006 | 37.54 | c | 39.72 | c | 38.67 | g | 50.28 | c | 59.94 | d | 69.42 | d | 75.02 | c | 69.95 | b | 63.58 | e | 51.88 | e | 42.96 | e | 34.78 | f | 56.03 | b |
2007 | 30.34 | b | 39.30 | e | 48.48 | e | 50.72 | a | 59.94 | e | 67.13 | c | 75.82 | 72.54 | c | 61.53 | 51.24 | 44.14 | b | 33.26 | b | 52.87 | ||||
2008 | 32.37 | d | 38.13 | c | 43.72 | f | 47.62 | i | 56.09 | c | 65.87 | c | 73.43 | b | 73.04 | d | 64.48 | e | 54.37 | d | 45.57 | c | 33.88 | f | 55.93 | c |
2009 | 37.16 | c | 39.31 | d | 43.15 | 50.32 | 61.78 | b | 64.09 | g | 73.98 | a | 69.84 | f | 66.76 | e | 50.88 | e | 43.17 | 27.09 | d | 49.36 | b | |||
2010 | 36.10 | 40.19 | b | 44.22 | f | 45.87 | 50.68 | c | 65.46 | d | 72.96 | d | 68.72 | f | 64.14 | b | 52.87 | e | 40.20 | b | 38.60 | b | 50.71 | b | ||
2011 | 36.54 | c | 36.13 | b | 43.48 | a | 49.47 | 53.08 | a | 62.25 | 70.14 | b | 70.76 | d | 66.65 | 54.67 | a | 41.84 | k | 32.66 | 52.35 | a | ||||
2012 | 38.55 | 38.78 | 45.11 | 52.73 | 59.21 | b | 65.62 | a | 73.50 | 75.18 | 67.50 | d | 56.03 | a | 45.70 | 36.08 | 54.50 | |||||||||
2013 | 30.02 | 37.68 | 47.37 | 52.07 | 58.78 | a | 68.21 | a | 76.32 | 70.68 | 64.42 | 50.47 | 42.25 | 28.39 | 52.22 | |||||||||||
2014 | 38.90 | 43.93 | 47.50 | 52.83 | 59.03 | 67.93 | 76.52 | 70.81 | 66.22 | 57.44 | 44.32 | 39.35 | 55.40 | |||||||||||||
2015 | 39.97 | 45.72 | a | 50.79 | 50.20 | 57.39 | 70.48 | 72.13 | 72.11 | 66.40 | 58.40 | 38.12 | 35.56 | 54.77 | ||||||||||||
2016 | 36.48 | 43.34 | 47.79 | 52.82 | 57.35 | 68.68 | 72.16 | 72.60 | 63.82 | 53.76 | 45.68 | 36.08 | 54.21 | |||||||||||||
2017 | 32.90 | 40.09 | 46.85 | 49.80 | 59.87 | 69.13 | 75.76 | 75.00 | 63.13 | 51.81 | 47.26 | a | 34.98 | 53.88 | ||||||||||||
2018 | 40.47 | b | 36.57 | 41.27 | a | 53.05 | b | 60.39 | c | 68.44 | c | 78.19 | e | 73.59 | c | 65.59 | b | 51.91 | c | 42.80 | 36.47 | a | 54.06 | |||
2019 | 37.32 | a | 33.57 | a | 40.72 | b | 53.48 | b | 55.09 | b | 67.26 | a | 72.95 | 73.65 | a | 63.27 | 47.71 | b | 44.66 | b | 36.83 | b | 52.21 | |||
2020 | 39.17 | b | 41.31 | c | 43.10 | b | 52.05 | a | 59.68 | c | 66.78 | c | 73.55 | c | 75.52 | c | 66.96 | g | 57.35 | e | 41.29 | d | 35.59 | d | 53.22 | a |
2021 | 37.03 | a | 38.77 | b | 42.35 | a | 52.31 | a | 60.00 | a | 73.20 | 79.79 | c | 72.98 | a | 67.08 | 51.84 | 48.48 | b | 37.63 | a | 55.12 | ||||
2022 | 37.47 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.00 | 38.93 | 45.57 | 50.37 | 58.27 | 66.85 | 73.48 | 71.75 | 64.20 | 53.12 | 43.01 | 35.34 | 53.84 | |||||||||||||
S.D. | 3.35 | 3.71 | 2.85 | 2.59 | 2.70 | 2.62 | 2.69 | 1.91 | 1.81 | 2.71 | 2.89 | 2.90 | 1.12 | |||||||||||||
SKEW | -0.30 | -0.47 | -0.20 | -0.55 | -0.75 | 0.05 | 0.24 | -0.15 | -0.07 | 0.29 | 0.10 | -1.14 | -0.23 | |||||||||||||
MAX | 43.12 | 45.72 | 50.79 | 54.32 | 63.81 | 73.20 | 79.79 | 75.52 | 67.50 | 58.40 | 48.88 | 39.35 | 55.40 | |||||||||||||
MIN | 29.59 | 29.98 | 40.20 | 45.13 | 50.68 | 61.94 | 68.98 | 67.13 | 60.67 | 47.71 | 37.95 | 27.09 | 52.21 | |||||||||||||
YRS | 31 | 31 | 25 | 24 | 26 | 26 | 30 | 28 | 30 | 21 | 30 | 28 | 11 |