YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.03 | l | 65.22 | a | 50.08 | 42.00 | a | 32.70 | 25.07 | b | 43.01 | g | ||
1987 | 20.80 | d | 25.04 | 28.44 | 44.00 | a | 48.84 | 60.39 | b | 62.08 | 61.56 | 56.17 | a | 48.33 | b | 31.00 | 20.45 | c | 42.26 | |||||||
1988 | 19.75 | a | 27.78 | 29.12 | a | 40.05 | a | 47.30 | c | 61.48 | 66.98 | 64.10 | a | 53.14 | b | 50.02 | d | 31.20 | 22.17 | b | 42.76 | |||||
1989 | 18.48 | a | 21.87 | a | 37.00 | a | 45.53 | a | 49.57 | d | 57.07 | 67.32 | 61.18 | 55.57 | c | 44.37 | a | 36.24 | a | 27.28 | a | 43.46 | ||||
1990 | 23.98 | a | 24.28 | a | 35.35 | a | 44.11 | c | 47.62 | a | 58.97 | a | 65.14 | b | 63.32 | a | 58.62 | b | 43.30 | a | 31.54 | b | 16.12 | c | 42.70 | |
1991 | 18.32 | a | 30.21 | 27.56 | 35.27 | 45.71 | b | 56.31 | a | 63.88 | b | 62.48 | 54.62 | 46.21 | 29.47 | 21.45 | 40.96 | |||||||||
1992 | 21.97 | a | 27.16 | 33.87 | 46.43 | b | 51.61 | 56.87 | 61.87 | a | 63.82 | a | 56.12 | 48.61 | c | 26.17 | d | 17.14 | c | 42.64 | ||||||
1993 | 22.15 | a | 23.02 | a | 34.38 | a | 38.21 | a | 49.68 | a | 54.82 | 61.93 | a | 61.55 | b | 53.97 | a | 42.81 | b | 26.40 | a | 22.63 | 40.96 | |||
1994 | 27.32 | 21.89 | 36.79 | 40.48 | a | 50.22 | a | 63.02 | a | 67.43 | a | 66.12 | a | 57.60 | e | 42.31 | d | 24.54 | e | 22.62 | b | 43.36 | ||||
1995 | 22.71 | 35.98 | d | 33.52 | 36.66 | a | 43.52 | a | 53.05 | 62.76 | b | 64.43 | c | 56.14 | a | 43.35 | 36.91 | a | 28.23 | 43.10 | ||||||
1996 | 25.00 | a | 30.62 | 32.84 | 40.00 | b | 51.40 | 60.70 | 67.03 | 64.97 | a | 52.45 | 40.86 | b | 31.04 | b | 24.40 | a | 43.44 | |||||||
1997 | 23.65 | e | 23.00 | a | 36.00 | 34.88 | d | 50.97 | a | 58.77 | 62.47 | a | 62.08 | a | 54.03 | a | 43.17 | a | 31.08 | 21.92 | a | 41.84 | ||||
1998 | 26.00 | b | 22.78 | c | 30.40 | a | 36.53 | a | 46.02 | 52.39 | b | 66.29 | 64.13 | a | 55.02 | a | 41.92 | 31.35 | c | 25.18 | a | 41.50 | ||||
1999 | 28.85 | a | 27.24 | c | 37.46 | d | 34.96 | e | 45.85 | a | 55.62 | b | 64.52 | 60.31 | b | 52.83 | d | 47.59 | b | 36.37 | 26.32 | f | 44.69 | a | ||
2000 | 27.84 | c | 29.52 | d | 31.21 | 45.21 | b | 53.50 | e | 60.05 | b | 66.59 | b | 64.94 | d | 56.17 | d | 43.57 | c | 25.40 | a | 28.83 | a | 44.40 | ||
2001 | 23.12 | c | 26.31 | b | 34.72 | a | 37.68 | b | 47.73 | 55.25 | 58.60 | e | 62.21 | c | 57.34 | b | 47.98 | b | 34.81 | a | 21.23 | a | 42.25 | |||
2002 | 22.71 | 24.33 | d | 27.05 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.50 | q | 31.70 | b | 23.97 | b | 25.68 | h | |
2003 | 31.84 | l | 25.67 | a | 34.18 | c | 38.76 | e | 52.04 | c | 59.83 | 71.78 | a | 64.83 | b | 56.08 | d | 51.27 | c | 28.39 | c | 23.45 | c | 46.02 | a | |
2004 | 21.38 | a | 20.27 | i | 41.70 | f | 41.52 | b | 50.75 | a | 60.22 | a | 65.04 | s | 63.27 | 54.80 | 42.76 | f | 30.85 | 21.58 | y | 46.11 | e | |||
2005 | 28.76 | 28.30 | 33.24 | 41.29 | a | 50.34 | 54.25 | 67.89 | 61.65 | 54.60 | 44.65 | 35.05 | 25.08 | 43.76 | ||||||||||||
2006 | 24.18 | 26.19 | g | 28.02 | 41.52 | 51.53 | 62.08 | ----- | z | 62.23 | 51.88 | 41.23 | 32.71 | f | 24.35 | 43.00 | c | |||||||||
2007 | 21.23 | c | 30.07 | 35.13 | 43.27 | 51.42 | 63.23 | b | 69.13 | 66.37 | 55.12 | 42.66 | 36.92 | 20.45 | 44.58 | |||||||||||
2008 | 17.32 | 25.45 | a | 32.73 | 38.17 | 46.15 | 56.05 | k | 68.02 | 66.52 | 56.00 | 45.60 | 35.88 | 23.66 | 41.41 | a | ||||||||||
2009 | 27.40 | 27.38 | 33.08 | 38.73 | 52.10 | 55.45 | 67.63 | 63.58 | 57.70 | 39.08 | 33.75 | 17.85 | 42.81 | |||||||||||||
2010 | 22.61 | 23.25 | 30.06 | 38.03 | 44.05 | 59.52 | 66.47 | 62.06 | g | 58.67 | 44.15 | 28.78 | 27.48 | 40.28 | a | |||||||||||
2011 | 23.42 | 22.54 | a | 32.82 | 35.68 | 42.79 | e | 56.77 | 63.79 | 65.68 | 56.10 | 43.23 | 29.63 | 23.03 | 41.29 | |||||||||||
2012 | 26.74 | 23.43 | 36.03 | 41.95 | 50.60 | 62.98 | 65.18 | 65.39 | 57.08 | 47.19 | 35.97 | 20.64 | j | 46.59 | a | |||||||||||
2013 | 18.35 | 22.21 | 34.00 | 36.62 | a | 49.44 | 63.17 | 68.08 | 63.27 | 53.02 | 40.06 | 32.16 | a | 22.65 | 41.92 | |||||||||||
2014 | 28.50 | 30.70 | 33.85 | 39.12 | a | 48.74 | 58.65 | 67.77 | 60.48 | 57.95 | 46.87 | 31.97 | 24.61 | 44.10 | ||||||||||||
2015 | 28.53 | 32.36 | 38.37 | 39.13 | 46.37 | 63.55 | 62.81 | 63.66 | 59.43 | 47.05 | 27.00 | 22.07 | a | 44.19 | ||||||||||||
2016 | 22.18 | a | 30.97 | 35.52 | ----- | z | 46.58 | 64.30 | 67.53 | 63.03 | 55.08 | 46.82 | 34.45 | 20.94 | 44.31 | a | ||||||||||
2017 | 21.50 | 31.68 | 39.74 | 38.48 | 48.84 | 63.58 | 67.26 | 64.29 | 53.83 | ----- | z | 37.65 | 30.58 | 45.22 | a | |||||||||||
2018 | 28.37 | 25.45 | 32.32 | 41.33 | ----- | z | 62.93 | 69.58 | 66.45 | 59.62 | 39.69 | 29.75 | 22.81 | 43.48 | a | |||||||||||
2019 | 22.84 | 19.64 | 31.63 | 42.57 | 43.06 | 56.23 | 66.34 | 67.08 | 57.32 | 36.69 | 35.58 | 21.48 | 41.71 | |||||||||||||
2020 | 23.79 | 24.19 | 33.18 | 39.48 | 52.60 | 58.50 | 67.13 | 69.40 | 57.30 | 46.42 | 32.02 | 23.88 | a | 43.99 | ||||||||||||
2021 | 22.98 | 25.02 | 29.79 | 39.57 | 49.68 | 64.60 | 71.50 | 66.42 | 60.18 | 41.69 | 38.37 | 26.21 | 44.67 | |||||||||||||
2022 | 24.10 | 22.91 | 33.58 | 41.87 | 48.55 | 61.93 | 68.55 | 67.73 | 63.71 | i | 45.16 | 27.87 | 24.23 | 42.41 | a | |||||||||||
2023 | 19.79 | 20.77 | 25.52 | 36.92 | 51.08 | 56.40 | 70.47 | 59.08 | 56.53 | 45.85 | a | 33.82 | 29.37 | 42.13 | ||||||||||||
2024 | 26.19 | 26.47 | 31.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.19 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.59 | 26.10 | 33.15 | 39.83 | 48.75 | 59.23 | 66.23 | 63.97 | 55.78 | 44.34 | 31.99 | 23.51 | 42.83 | |||||||||||||
S.D. | 3.25 | 3.75 | 3.15 | 3.09 | 2.86 | 3.46 | 2.97 | 2.27 | 2.29 | 3.25 | 3.67 | 3.25 | 1.14 | |||||||||||||
SKEW | 0.03 | 0.56 | -0.30 | 0.32 | -0.50 | -0.18 | -0.41 | 0.08 | -0.23 | -0.06 | -0.18 | 0.00 | 0.00 | |||||||||||||
MAX | 28.85 | 35.98 | 39.74 | 46.43 | 53.50 | 64.60 | 71.78 | 69.40 | 60.18 | 51.27 | 38.37 | 30.58 | 44.67 | |||||||||||||
MIN | 17.32 | 19.64 | 25.52 | 34.88 | 42.79 | 52.39 | 58.60 | 59.08 | 50.08 | 36.69 | 24.54 | 16.13 | 40.96 | |||||||||||||
YRS | 37 | 36 | 36 | 35 | 35 | 35 | 34 | 36 | 36 | 35 | 37 | 35 | 25 |