YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1982 | ----- | z | ----- | z | 34.97 | n | 42.22 | a | 50.81 | 60.32 | 66.92 | 64.84 | 57.10 | 43.94 | 33.70 | 24.53 | 49.37 | c | ||||||||
1983 | 25.35 | 29.20 | 34.55 | a | 37.65 | 48.40 | 57.25 | 67.16 | 65.97 | 60.67 | a | 48.02 | 32.57 | 22.15 | a | 44.08 | ||||||||||
1984 | 13.32 | 21.03 | 31.42 | a | 40.19 | a | 56.02 | a | 61.10 | 67.68 | 64.79 | 58.55 | a | 41.42 | 33.63 | 27.55 | 43.06 | |||||||||
1985 | 22.48 | 24.16 | 36.52 | a | 45.67 | 53.58 | 63.23 | 66.16 | b | 66.10 | 55.18 | 47.15 | 33.58 | 26.66 | c | 45.04 | ||||||||||
1986 | 30.68 | 32.80 | 41.22 | b | 44.53 | 51.73 | 61.70 | 63.97 | 64.58 | 54.60 | a | 44.45 | b | 33.35 | 23.55 | 45.60 | ||||||||||
1987 | 21.50 | a | 27.34 | 31.42 | 44.08 | 51.06 | 62.54 | b | 66.94 | 62.48 | 55.20 | e | 49.03 | 31.93 | 20.82 | 43.70 | ||||||||||
1988 | 14.82 | a | 24.83 | 32.78 | a | 45.20 | 52.19 | 62.42 | 66.11 | 64.98 | 56.28 | a | 50.39 | 33.05 | 23.22 | a | 43.86 | |||||||||
1989 | 21.87 | a | 25.59 | 41.92 | 48.77 | 56.89 | 61.27 | 68.52 | b | 63.48 | 58.58 | 46.34 | 36.75 | 25.94 | 46.33 | |||||||||||
1990 | 22.71 | 29.62 | 37.97 | a | 44.52 | 51.34 | 65.84 | a | 64.52 | 63.16 | 60.07 | 47.45 | 35.60 | 21.08 | 45.32 | |||||||||||
1991 | 19.15 | 31.02 | 34.60 | a | 43.30 | 54.18 | c | 61.37 | 65.16 | 64.45 | 57.60 | 50.58 | a | 29.62 | 17.23 | 44.02 | ||||||||||
1992 | 15.72 | b | 23.62 | 33.71 | 48.70 | 54.79 | b | 60.24 | a | 63.93 | a | 62.02 | 58.85 | 51.20 | a | 27.23 | 19.13 | a | 43.26 | |||||||
1993 | 22.66 | 26.36 | 36.61 | 43.69 | a | 52.35 | 61.71 | a | 67.23 | 63.71 | b | 56.97 | a | 44.53 | b | 30.60 | 24.60 | 44.25 | ||||||||
1994 | 26.35 | 27.46 | 39.98 | b | 44.31 | a | 54.44 | 66.45 | a | 66.85 | 67.02 | 58.22 | a | 45.30 | c | 32.48 | a | 28.66 | 46.46 | |||||||
1995 | 27.61 | 37.96 | 38.30 | c | 41.48 | 49.20 | a | 59.24 | a | 64.18 | 67.42 | 57.90 | 47.45 | a | 38.79 | a | 29.72 | b | 46.61 | |||||||
1996 | 25.48 | 34.61 | a | 37.15 | 44.77 | b | 59.27 | 63.47 | a | 68.00 | a | 66.00 | 56.63 | c | 46.83 | a | 35.83 | 26.03 | a | 47.01 | ||||||
1997 | 23.65 | 28.27 | 39.40 | a | 40.50 | a | 52.44 | 61.64 | a | 66.31 | 64.56 | 60.20 | 46.08 | 31.66 | b | 18.90 | 44.47 | |||||||||
1998 | 22.90 | 25.05 | 34.87 | a | 39.24 | a | 54.10 | a | 60.80 | 66.21 | 64.58 | 60.93 | 46.37 | a | 37.23 | b | 28.72 | a | 45.08 | |||||||
1999 | 30.66 | b | 34.09 | a | 41.40 | a | 41.30 | 50.66 | 60.45 | a | 65.90 | 63.37 | a | 55.40 | 47.84 | 38.92 | 24.95 | 46.24 | ||||||||
2000 | 28.81 | 33.29 | a | 37.03 | b | 47.97 | 57.48 | 64.24 | a | 67.97 | b | 66.92 | 60.31 | a | 47.59 | b | 27.65 | 27.22 | a | 47.21 | ||||||
2001 | 22.80 | a | 29.55 | 34.94 | 47.45 | b | 55.13 | 63.77 | 66.90 | 63.31 | 58.67 | a | 48.48 | 39.08 | f | 24.14 | b | 46.83 | a | |||||||
2002 | 24.11 | 24.82 | 35.16 | b | 50.78 | 55.11 | 66.95 | 68.65 | 66.24 | 56.59 | a | 45.24 | 32.73 | b | 22.76 | 45.76 | ||||||||||
2003 | 31.13 | 27.89 | a | 35.17 | a | 44.53 | a | 54.23 | 59.43 | 70.05 | a | 64.75 | a | 55.88 | a | 52.29 | c | 32.40 | a | 24.28 | a | 46.00 | ||||
2004 | 25.71 | b | 30.08 | e | 43.30 | h | 44.27 | f | 55.79 | c | 61.22 | c | 64.63 | a | 62.77 | c | 56.31 | f | 45.10 | a | 34.21 | d | 24.75 | c | 44.92 | c |
2005 | 26.89 | d | 29.41 | 33.73 | a | 43.02 | a | 52.98 | 60.17 | 67.47 | 62.77 | 58.02 | 45.32 | a | 33.87 | 21.60 | b | 44.60 | ||||||||
2006 | 24.82 | 26.34 | 34.29 | 45.27 | 54.03 | 62.84 | a | 64.50 | 60.94 | 53.38 | q | 43.12 | a | 31.67 | a | 22.69 | 42.77 | a | ||||||||
2007 | 15.29 | 25.38 | 36.74 | 41.47 | 49.98 | 59.82 | 65.19 | 65.76 | b | 55.87 | 43.97 | 33.02 | 16.03 | a | 42.38 | |||||||||||
2008 | 11.92 | 21.91 | 31.32 | 40.48 | 49.02 | 60.28 | 66.31 | 63.77 | 56.13 | 45.26 | 33.38 | 19.87 | 41.64 | |||||||||||||
2009 | 20.42 | 26.54 | 35.34 | 39.85 | 54.13 | 57.15 | 65.35 | 62.71 | 54.60 | 40.98 | 33.88 | 17.82 | 42.40 | |||||||||||||
2010 | 21.85 | 21.80 | 31.97 | 42.00 | 50.48 | 63.58 | 67.73 | 64.48 | 59.13 | 46.56 | 30.12 | 30.55 | 44.19 | |||||||||||||
2011 | 22.23 | 22.41 | 38.52 | 42.63 | 49.03 | 63.60 | 69.69 | 67.31 | 57.05 | 44.29 | 31.87 | 15.85 | 43.71 | |||||||||||||
2012 | 22.92 | 24.86 | 39.42 | 46.03 | 54.47 | 66.70 | 67.13 | 65.16 | 56.78 | 45.61 | 35.18 | 19.76 | 45.34 | |||||||||||||
2013 | 12.45 | 23.23 | 34.58 | 41.98 | 49.76 | 64.30 | 65.85 | 65.03 | 57.97 | 42.48 | 30.28 | 13.68 | 41.80 | |||||||||||||
2014 | 17.37 | 28.41 | 35.69 | 40.90 | 50.39 | 61.45 | 65.65 | 61.69 | 59.52 | 47.84 | 32.63 | 23.42 | 43.75 | |||||||||||||
2015 | 21.92 | 29.20 | 39.23 | 43.20 | 47.56 | 62.98 | 63.10 | 64.68 | 60.28 | 49.40 | 32.13 | 22.00 | 44.64 | |||||||||||||
2016 | 18.18 | 29.84 | 35.98 | 41.40 | 49.42 | 65.10 | 67.82 | 61.13 | 57.48 | 49.50 | 35.98 | 22.24 | 44.51 | |||||||||||||
2017 | 20.92 | 31.88 | 40.82 | 42.38 | 50.44 | 64.98 | 66.18 | 62.05 | 57.40 | 46.32 | 40.28 | 28.82 | 46.04 | |||||||||||||
2018 | 27.32 | 30.66 | 36.53 | 44.95 | 56.21 | 65.25 | 67.55 | 64.90 | 60.20 | 44.82 | 29.52 | 22.06 | 45.83 | |||||||||||||
2019 | 16.19 | 22.14 | 35.08 | 43.85 | 46.05 | 59.07 | 66.97 | 65.37 | 61.27 | 40.71 | 33.05 | 20.16 | 42.49 | |||||||||||||
2020 | 19.61 | 25.72 | 37.81 | 44.35 | 55.71 | 62.63 | 66.73 | 67.37 | 55.95 | 47.77 | 34.13 | 19.47 | 44.77 | |||||||||||||
2021 | 20.31 | 24.54 | 32.89 | 42.27 | 50.92 | 63.17 | 67.16 | 64.81 | 60.70 | 43.89 | 37.30 | 27.94 | 44.66 | |||||||||||||
2022 | 23.03 | 22.39 | 33.13 | 42.12 | 53.08 | 62.05 | 66.87 | 64.35 | 60.83 | 44.32 | 27.97 | 25.79 | 43.83 | |||||||||||||
2023 | 22.61 | 23.80 | 30.95 | 40.37 | 52.61 | 59.08 | 70.31 | 67.29 | 57.72 | 47.03 | 34.48 | 24.97 | 44.27 | |||||||||||||
2024 | 24.69 | 28.52 | 35.10 | 41.58 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.44 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.15 | 27.32 | 35.98 | 43.40 | 52.56 | 62.16 | 66.61 | 64.50 | 57.93 | 46.24 | 33.28 | 23.13 | 44.58 | |||||||||||||
S.D. | 4.79 | 3.93 | 2.94 | 2.78 | 2.90 | 2.40 | 1.62 | 1.73 | 1.93 | 2.66 | 2.94 | 3.99 | 1.42 | |||||||||||||
SKEW | -0.27 | 0.53 | 0.24 | 0.52 | 0.02 | 0.07 | 0.10 | -0.13 | 0.08 | 0.05 | 0.18 | -0.24 | -0.17 | |||||||||||||
MAX | 31.13 | 37.96 | 41.92 | 50.78 | 59.27 | 66.95 | 70.31 | 67.42 | 61.27 | 52.29 | 40.28 | 30.55 | 47.21 | |||||||||||||
MIN | 11.92 | 21.03 | 30.95 | 37.65 | 46.05 | 57.15 | 63.10 | 60.94 | 54.60 | 40.71 | 27.23 | 13.68 | 41.64 | |||||||||||||
YRS | 42 | 42 | 41 | 41 | 42 | 42 | 42 | 42 | 40 | 42 | 41 | 42 | 38 |