YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.03 | 69.57 | c | 53.37 | a | 40.74 | a | 33.16 | c | 54.98 | g | |
1983 | 33.93 | a | 37.14 | 41.93 | c | 47.65 | 58.22 | a | 68.95 | b | 81.39 | 81.24 | 71.22 | a | 56.10 | a | 43.52 | 21.34 | c | 53.55 | ||||||
1984 | 29.26 | 36.02 | a | 40.02 | 48.45 | 64.12 | b | 73.43 | a | 79.97 | 77.53 | 66.84 | a | 51.37 | 44.55 | a | 36.05 | 53.97 | ||||||||
1985 | 27.25 | a | 30.09 | a | 45.45 | 56.56 | c | 63.52 | b | 72.87 | 79.06 | 77.18 | a | 67.98 | b | 53.87 | e | 37.88 | a | 30.65 | a | 53.53 | ||||
1986 | 40.34 | 39.89 | a | 50.61 | 57.59 | a | 63.55 | 73.73 | 79.48 | 76.53 | a | 67.77 | 53.24 | 42.19 | a | 32.53 | 56.45 | |||||||||
1987 | 33.03 | b | 39.80 | a | 41.50 | 53.77 | 62.23 | a | 73.57 | 80.53 | 75.13 | 67.13 | 54.10 | 42.73 | 31.92 | 54.62 | ||||||||||
1988 | 24.72 | a | 35.90 | 42.73 | 52.20 | 61.08 | 76.42 | 78.73 | 78.71 | 66.85 | 56.85 | 45.84 | a | 34.58 | 54.55 | |||||||||||
1989 | 35.79 | 27.39 | 48.06 | 56.17 | 65.03 | 70.13 | 80.13 | 76.48 | 67.53 | a | 56.55 | 44.32 | 29.32 | a | 54.74 | |||||||||||
1990 | 36.68 | a | 35.70 | 43.02 | 54.53 | 60.03 | 78.28 | 76.50 | 74.85 | 71.98 | a | 54.13 | a | 46.97 | 28.35 | 55.09 | ||||||||||
1991 | 30.13 | 41.16 | 46.52 | a | 53.05 | 65.32 | a | 76.30 | 77.05 | 76.48 | 66.50 | 55.40 | 38.77 | 34.32 | 55.08 | |||||||||||
1992 | 34.42 | 40.66 | 47.61 | 56.60 | 65.29 | 68.97 | 75.07 | a | 72.23 | 69.05 | 56.15 | 35.18 | 31.15 | 54.36 | ||||||||||||
1993 | 30.18 | a | 32.71 | 44.32 | 52.03 | 61.82 | 72.57 | 78.82 | a | 74.82 | a | 63.98 | 52.15 | a | 37.18 | 35.13 | 52.98 | |||||||||
1994 | 34.76 | 34.57 | a | 46.75 | a | 51.60 | a | 64.18 | a | 78.64 | a | 77.83 | a | 79.40 | 69.40 | a | 56.13 | 42.10 | 37.90 | a | 56.11 | |||||
1995 | 35.07 | a | 40.83 | a | 45.10 | b | 48.62 | 56.76 | 70.00 | 76.95 | a | 81.22 | a | 67.77 | 53.66 | 46.84 | a | 36.16 | 54.91 | |||||||
1996 | 31.88 | a | 38.79 | a | 40.98 | 54.97 | 67.10 | 75.35 | 77.84 | 75.76 | 65.95 | 56.95 | a | 42.62 | a | 36.71 | 55.41 | |||||||||
1997 | 33.42 | 36.23 | 48.42 | 47.98 | a | 63.79 | 74.27 | 80.65 | a | 76.45 | 70.00 | a | 54.08 | 38.88 | a | 29.06 | 54.44 | |||||||||
1998 | 36.12 | c | 39.48 | 41.35 | 50.82 | 66.76 | 71.57 | 79.65 | 75.85 | 72.97 | 57.26 | 45.85 | 33.76 | b | 55.95 | |||||||||||
1999 | 38.17 | a | 43.06 | a | 46.06 | 50.75 | b | 60.67 | a | 71.59 | a | 80.45 | 77.90 | 66.61 | b | 54.98 | a | 49.28 | 36.50 | 56.33 | ||||||
2000 | 38.28 | b | 43.07 | b | 45.79 | c | 54.82 | b | 66.69 | 75.17 | 81.52 | i | 79.88 | e | 70.61 | b | 56.54 | c | 37.57 | a | 32.93 | b | 54.67 | a | ||
2001 | 31.89 | c | 33.93 | a | 42.90 | b | 56.38 | 64.08 | a | 74.80 | 81.96 | c | 78.66 | b | 68.81 | c | 55.10 | 51.92 | k | 36.55 | b | 56.82 | a | |||
2002 | 33.24 | 35.27 | 39.52 | 56.91 | b | 65.34 | c | 79.12 | a | 81.41 | b | 77.75 | a | 67.96 | b | 50.84 | 41.04 | b | 35.17 | a | 55.30 | |||||
2003 | 37.37 | a | 32.71 | 46.71 | 56.52 | e | 64.76 | 70.09 | a | 84.40 | b | 79.13 | 66.00 | b | 58.63 | a | 41.02 | 36.67 | a | 56.17 | ||||||
2004 | 33.77 | a | 34.36 | a | 50.33 | a | 52.98 | b | 66.57 | a | 71.22 | a | 75.45 | a | 72.76 | d | 66.14 | a | 55.94 | f | 38.22 | c | 35.72 | d | 54.32 | a |
2005 | 34.10 | g | 37.82 | c | 43.83 | e | 51.15 | m | 62.65 | h | 72.50 | d | 79.65 | g | 75.48 | e | 71.46 | d | 54.89 | d | 45.00 | d | 30.20 | f | 57.28 | e |
2006 | 36.50 | f | 35.74 | e | 43.60 | g | 57.70 | e | 65.18 | f | 76.30 | j | 78.88 | g | 75.72 | f | ----- | z | 52.29 | g | 43.63 | d | 30.86 | b | 41.98 | h |
2007 | 19.27 | a | 28.19 | a | 47.80 | d | 50.46 | b | 62.53 | a | 70.58 | e | 77.48 | c | 79.44 | e | 69.43 | c | 57.86 | b | 44.52 | c | 29.78 | d | 53.11 | |
2008 | 28.77 | a | 34.41 | b | 43.78 | d | 50.75 | 60.34 | b | 74.09 | c | 79.52 | 75.03 | b | 66.86 | a | 54.73 | a | 44.88 | b | 33.07 | b | 53.85 | |||
2009 | 36.05 | a | 40.05 | 44.89 | c | 51.15 | 63.89 | 71.00 | a | 77.02 | e | 73.85 | 64.33 | f | 49.13 | 42.95 | 26.06 | f | 55.00 | b | ||||||
2010 | 30.02 | h | 31.82 | 41.94 | 56.73 | 64.00 | l | 76.48 | 78.26 | h | 77.39 | c | 71.70 | 58.18 | 42.56 | c | 36.06 | 54.76 | c | |||||||
2011 | 29.23 | 29.98 | 45.58 | 54.05 | 60.47 | 74.92 | 80.74 | 80.63 | 67.53 | 55.48 | 42.75 | 24.77 | 53.84 | |||||||||||||
2012 | 36.63 | 34.45 | 50.61 | 57.40 | 64.68 | 78.97 | a | 82.18 | 77.79 | 67.21 | b | 52.71 | 46.47 | 34.28 | a | 56.95 | ||||||||||
2013 | 31.26 | 34.48 | 41.87 | 47.82 | 63.19 | 77.28 | a | 77.50 | u | 80.81 | w | 69.08 | e | 52.65 | 41.68 | 32.45 | 49.18 | b | ||||||||
2014 | 32.66 | 30.80 | 42.53 | 52.53 | 62.32 | 73.65 | 77.27 | a | 74.61 | 68.38 | 56.89 | 39.13 | 32.71 | 53.62 | ||||||||||||
2015 | 32.66 | 36.54 | 45.02 | 53.72 | 58.58 | 74.13 | 77.68 | 76.84 | 72.80 | 59.39 | 43.40 | 34.89 | 55.47 | |||||||||||||
2016 | 34.18 | 40.41 | a | 45.61 | 51.33 | 60.68 | c | 75.57 | 79.55 | 74.18 | 69.65 | 60.00 | 47.82 | 29.98 | a | 55.75 | ||||||||||
2017 | 30.21 | 42.14 | 49.50 | 51.95 | 60.11 | d | 73.57 | 77.63 | 71.71 | 67.07 | 54.10 | 46.63 | 33.94 | 54.88 | ||||||||||||
2018 | 34.21 | 34.21 | 45.31 | 49.52 | 67.44 | 76.82 | 78.18 | 73.60 | 69.30 | 51.02 | 39.12 | 32.90 | 54.30 | |||||||||||||
2019 | 32.21 | 32.04 | 39.94 | 53.90 | 57.89 | 71.58 | 79.65 | 79.42 | 74.53 | 46.16 | 40.65 | 35.85 | 53.65 | |||||||||||||
2020 | 35.89 | 31.96 | a | 48.94 | 52.75 | 66.68 | 77.48 | 79.26 | 79.81 | 66.60 | 53.16 | 47.13 | 33.31 | 56.08 | ||||||||||||
2021 | 33.44 | 27.68 | 44.48 | 52.08 | 61.90 | 74.22 | 79.61 | 77.73 | 71.20 | 57.08 | 46.17 | 41.39 | 55.58 | |||||||||||||
2022 | 32.58 | 32.65 | a | 42.39 | 55.10 | 64.02 | 73.72 | 80.37 | 76.89 | 72.07 | 56.68 | 40.02 | 31.18 | 54.80 | ||||||||||||
2023 | 31.66 | 33.77 | 40.97 | 52.53 | 64.29 | b | 69.45 | 77.06 | 77.15 | 70.52 | 55.23 | 45.00 | 38.10 | 54.64 | ||||||||||||
2024 | 30.37 | 41.17 | 45.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.08 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.85 | 35.69 | 44.79 | 53.06 | 63.05 | 73.83 | 79.07 | 76.89 | 68.85 | 54.82 | 42.75 | 33.28 | 54.85 | |||||||||||||
S.D. | 3.90 | 4.23 | 3.04 | 2.93 | 2.76 | 2.84 | 1.99 | 2.39 | 2.33 | 2.77 | 3.34 | 3.67 | 1.03 | |||||||||||||
SKEW | -1.07 | -0.06 | 0.20 | -0.14 | -0.41 | 0.09 | 0.25 | -0.18 | 0.40 | -0.75 | -0.22 | -0.89 | 0.08 | |||||||||||||
MAX | 40.34 | 43.07 | 50.61 | 57.70 | 67.44 | 79.12 | 84.40 | 81.24 | 74.53 | 60.00 | 49.28 | 41.39 | 56.95 | |||||||||||||
MIN | 19.27 | 27.39 | 39.52 | 47.65 | 56.76 | 68.95 | 75.07 | 71.71 | 63.98 | 46.16 | 35.18 | 21.34 | 52.98 | |||||||||||||
YRS | 39 | 42 | 41 | 40 | 38 | 40 | 36 | 40 | 40 | 40 | 41 | 40 | 33 |