YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.02 | 46.94 | 35.08 | 29.15 | 40.55 | h | ||||
1988 | 26.61 | 32.28 | 34.79 | 42.08 | 49.29 | 56.10 | 56.95 | 56.63 | 51.57 | 46.48 | 37.22 | 28.90 | 43.24 | |||||||||||||
1989 | 28.87 | 35.93 | 39.60 | 47.98 | 53.16 | 58.62 | 58.90 | 57.11 | 52.82 | 44.90 | 36.68 | 29.23 | 45.32 | |||||||||||||
1990 | 28.21 | 28.68 | 36.61 | 44.81 | a | 49.81 | 62.13 | 56.27 | 54.95 | 52.67 | 44.90 | 37.12 | b | 30.72 | d | 43.91 | ||||||||||
1991 | 27.08 | 32.71 | 32.92 | 43.00 | 51.18 | 56.03 | a | 55.94 | 56.29 | 51.25 | 46.23 | 34.43 | 29.47 | b | 43.04 | |||||||||||
1992 | 24.46 | f | 29.00 | 35.61 | 44.15 | 47.95 | 55.45 | 58.92 | a | 57.24 | 53.90 | 47.30 | a | 30.24 | a | 29.54 | g | 45.98 | b | |||||||
1993 | 30.87 | a | 31.62 | d | 36.54 | d | 43.88 | a | 49.18 | a | 57.58 | 59.82 | a | 57.56 | 52.79 | b | 43.70 | d | 34.45 | a | 31.81 | e | 44.15 | |||
1994 | 29.74 | b | 29.94 | c | 37.02 | c | 43.69 | c | 51.26 | d | 60.41 | b | 60.39 | d | 60.15 | d | 53.63 | c | 44.48 | e | 38.48 | f | 33.59 | b | 45.84 | a |
1995 | 27.87 | e | 36.35 | a | 38.30 | c | 41.57 | g | 49.52 | g | 56.77 | d | 58.72 | b | 58.33 | d | 53.88 | d | 47.87 | d | 39.91 | b | 31.58 | a | 44.96 | b |
1996 | 31.36 | b | 37.65 | c | 36.28 | a | 44.62 | i | 55.93 | c | 60.13 | d | 59.69 | b | 57.15 | d | 51.85 | c | 46.07 | c | 39.20 | e | 32.12 | c | 46.13 | a |
1997 | 29.09 | d | 30.08 | d | 38.43 | a | 40.52 | d | 50.79 | e | 57.11 | c | 59.19 | b | 58.60 | a | 56.70 | b | 45.41 | c | 36.62 | a | 23.69 | d | 43.85 | |
1998 | 30.67 | a | 27.00 | e | 34.00 | d | 38.35 | f | 52.96 | c | 59.91 | c | 59.87 | e | 57.66 | 56.78 | 47.57 | c | 39.53 | a | 32.73 | c | 45.34 | a | ||
1999 | 33.91 | d | 37.24 | a | 39.09 | c | 42.48 | g | 51.75 | c | 57.30 | c | 58.19 | d | 58.60 | a | 54.73 | d | 46.48 | c | 41.31 | a | 26.84 | b | 45.95 | a |
2000 | 34.98 | a | 37.69 | c | 38.08 | f | 47.67 | g | 55.94 | e | 57.25 | d | 60.57 | b | 58.59 | c | 56.88 | b | 46.55 | c | 30.91 | c | 32.97 | b | 47.23 | b |
2001 | 26.94 | e | 33.50 | d | 35.47 | b | 45.77 | d | 52.26 | d | 58.88 | d | 59.82 | a | 58.20 | c | 54.55 | a | 48.66 | 37.45 | b | 29.31 | d | 45.07 | ||
2002 | 32.20 | d | 30.63 | e | 38.14 | c | 49.44 | e | 53.73 | a | 61.61 | b | 59.45 | b | 59.59 | c | 53.64 | a | 44.62 | f | 36.28 | c | 27.52 | c | 45.66 | a |
2003 | 34.00 | 33.12 | b | 35.62 | b | 43.65 | c | 53.82 | a | 58.25 | 60.61 | 59.31 | 55.53 | 49.62 | b | 40.94 | c | 31.57 | c | 46.34 | ||||||
2004 | 31.27 | a | 26.98 | c | 40.25 | a | 42.75 | d | 53.16 | b | 58.19 | a | 59.09 | b | 57.44 | 52.81 | c | 46.62 | a | 34.30 | c | 30.21 | c | 44.42 | ||
2005 | 33.73 | c | 32.20 | a | 35.44 | d | 42.08 | k | 52.28 | b | 59.66 | a | 61.45 | 57.72 | a | 56.77 | 46.47 | b | 39.98 | b | 33.92 | a | 46.33 | a | ||
2006 | 33.53 | 35.52 | 39.41 | b | 48.14 | i | 54.75 | c | 59.38 | a | 60.37 | 57.63 | a | 51.39 | c | 45.38 | c | 39.39 | b | 29.97 | 46.07 | a | ||||
2007 | 28.81 | b | 32.46 | b | 39.58 | a | 44.56 | c | 50.40 | g | 58.53 | a | 58.71 | 59.95 | 55.87 | 49.02 | k | 41.33 | a | 30.32 | a | 45.01 | b | |||
2008 | 28.97 | 35.15 | b | 39.86 | c | 44.59 | b | 51.50 | c | 61.70 | c | 58.77 | 58.60 | a | 51.84 | a | 46.32 | n | 38.69 | a | 34.62 | b | 45.85 | a | ||
2009 | 33.29 | b | 36.41 | a | 40.20 | d | 43.10 | d | 51.87 | h | 58.60 | a | 62.34 | 59.47 | a | 52.50 | a | 42.70 | u | 38.03 | 22.81 | w | 47.10 | c | ||
2010 | 27.03 | a | 27.70 | a | 34.94 | e | 44.39 | c | 50.87 | 61.40 | a | 59.34 | b | 59.75 | a | 57.05 | 46.73 | p | 36.76 | a | 36.42 | 45.06 | a | |||
2011 | 31.23 | a | 33.08 | d | 43.65 | a | 49.52 | d | 52.36 | b | 63.38 | a | 61.18 | a | 62.52 | 55.31 | a | 46.63 | p | 37.12 | b | 27.86 | c | 47.02 | a | |
2012 | 33.23 | i | 32.26 | 38.79 | 47.57 | 52.68 | 61.63 | 59.84 | 61.60 | 54.35 | 48.57 | p | 40.60 | 31.55 | 48.09 | b | ||||||||||
2013 | 26.61 | 28.82 | 39.39 | 45.28 | 51.44 | 62.79 | i | 58.85 | 59.11 | 54.20 | 44.98 | k | 37.13 | 30.76 | 43.16 | b | ||||||||||
2014 | 31.87 | 37.06 | a | 39.42 | 43.77 | 50.03 | a | 62.78 | 60.48 | 59.00 | 57.45 | 49.35 | d | 41.78 | 33.44 | 47.20 | ||||||||||
2015 | 34.48 | 36.62 | 38.13 | 43.17 | 48.88 | c | 58.85 | 60.05 | 60.47 | 57.78 | 47.70 | f | 38.42 | 29.72 | b | 46.05 | a | |||||||||
2016 | 27.56 | 34.43 | a | 40.72 | b | 43.94 | d | 51.38 | n | 59.14 | a | 63.84 | 57.62 | a | 55.07 | 52.12 | c | 38.83 | 35.11 | 46.22 | a | |||||
2017 | 30.61 | 37.45 | 43.27 | c | 46.20 | 50.97 | a | 61.57 | a | 60.19 | 58.76 | 56.48 | b | 49.10 | 45.17 | 33.60 | b | 47.78 | ||||||||
2018 | 32.17 | a | 36.64 | 40.02 | 47.77 | 55.90 | 62.67 | 61.60 | 60.00 | a | 55.07 | 45.55 | 35.81 | a | 31.15 | 47.03 | ||||||||||
2019 | 30.52 | 32.23 | 38.95 | 44.62 | 48.53 | 58.37 | 62.44 | 62.50 | 57.23 | 46.24 | 37.78 | 31.22 | a | 45.89 | ||||||||||||
2020 | 31.48 | 31.84 | 39.50 | 46.28 | 55.48 | b | 61.20 | 63.89 | 62.84 | 54.52 | a | 49.97 | 41.59 | a | 29.90 | 47.37 | ||||||||||
2021 | 29.56 | 32.25 | 37.39 | 44.52 | 53.40 | 61.29 | a | 59.06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.35 | e | ||||||
2022 | 31.20 | c | 30.02 | 34.62 | b | 45.67 | 54.50 | 60.45 | 60.34 | 57.42 | 54.53 | 42.85 | 33.07 | 32.85 | 44.79 | |||||||||||
2023 | 27.79 | 27.71 | b | 35.34 | 42.37 | 51.05 | a | 59.02 | 64.65 | 60.79 | 57.32 | 48.79 | 37.78 | a | 32.48 | 45.42 | ||||||||||
2024 | 28.02 | 33.00 | 35.29 | 40.25 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.10 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.35 | 32.79 | 37.85 | 44.79 | 52.09 | 59.47 | 59.99 | 58.83 | 54.49 | 46.87 | 37.74 | 31.07 | 45.30 | |||||||||||||
S.D. | 2.48 | 3.28 | 2.51 | 2.13 | 2.22 | 2.09 | 1.89 | 1.80 | 2.03 | 2.08 | 3.10 | 2.56 | 1.51 | |||||||||||||
SKEW | 0.15 | -0.11 | 0.18 | 0.57 | 0.10 | -0.01 | 0.38 | 0.46 | -0.06 | 0.43 | -0.27 | -0.44 | 0.18 | |||||||||||||
MAX | 34.98 | 37.69 | 43.65 | 49.52 | 55.94 | 63.38 | 64.65 | 62.84 | 57.78 | 52.12 | 45.17 | 36.42 | 47.78 | |||||||||||||
MIN | 26.61 | 26.98 | 32.92 | 40.52 | 47.95 | 55.45 | 55.94 | 54.95 | 51.02 | 42.85 | 30.24 | 23.69 | 43.04 | |||||||||||||
YRS | 35 | 37 | 36 | 29 | 32 | 35 | 36 | 35 | 36 | 27 | 35 | 34 | 16 |