YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | 26.71 | 34.66 | 36.48 | 37.53 | 42.65 | 46.30 | 50.29 | 50.23 | 45.87 | 38.00 | 38.97 | a | 37.57 | a | 40.44 | |||||||||||
1981 | 32.63 | a | 33.54 | 33.87 | 38.41 | a | 42.65 | 47.34 | a | 49.97 | 49.94 | 44.50 | 37.65 | 34.97 | 33.87 | 39.94 | ||||||||||
1982 | 32.96 | c | 33.61 | e | 32.07 | b | 33.10 | 40.60 | a | 48.17 | 48.68 | 47.60 | a | 45.31 | a | 39.71 | c | 32.38 | f | 30.75 | c | 39.32 | a | |||
1983 | 35.82 | i | 36.42 | d | 37.25 | c | 34.93 | b | 44.72 | b | 47.07 | 49.71 | 50.20 | a | 41.79 | b | 38.00 | g | 38.87 | g | 28.09 | h | 42.76 | d | ||
1984 | 34.96 | e | 34.92 | e | 38.14 | c | 36.52 | c | 40.50 | a | 47.77 | 48.10 | a | 47.16 | 43.79 | a | 38.83 | a | 36.03 | 29.77 | 39.71 | |||||
1985 | 27.39 | 29.75 | 31.03 | a | 39.30 | 42.50 | a | 45.00 | 49.71 | 47.23 | 43.41 | a | 38.37 | a | 28.77 | 25.45 | 37.33 | |||||||||
1986 | 34.50 | a | 33.79 | 38.36 | c | 35.67 | 41.30 | a | 47.33 | 48.97 | 51.19 | e | 45.21 | a | 42.23 | a | 37.77 | 32.74 | 40.75 | |||||||
1987 | 32.26 | 34.38 | b | 37.50 | a | 39.52 | a | 44.00 | a | 45.80 | 49.57 | a | 49.74 | 45.96 | d | 36.97 | a | 38.79 | a | 32.29 | 40.57 | |||||
1988 | 31.90 | a | 34.11 | a | 33.97 | 38.67 | 42.16 | 44.63 | 48.55 | 48.06 | 44.17 | a | 45.35 | 37.67 | 33.32 | 40.21 | ||||||||||
1989 | 34.16 | 25.19 | b | 35.10 | a | 38.77 | 42.19 | 47.87 | 49.52 | 50.19 | 43.28 | a | 41.00 | 38.83 | 36.13 | 40.19 | ||||||||||
1990 | 37.00 | 32.50 | b | 36.10 | 42.03 | 43.42 | 48.10 | 51.35 | 51.73 | a | 49.07 | 39.77 | 40.63 | 27.97 | 41.64 | |||||||||||
1991 | 32.55 | 37.89 | 33.17 | a | 38.52 | a | 43.58 | 46.63 | 50.42 | 51.71 | 46.50 | 36.77 | 38.97 | 36.42 | 41.09 | |||||||||||
1992 | 35.48 | 36.76 | 37.58 | 39.41 | a | 41.45 | 49.10 | 51.10 | 49.87 | a | 43.97 | 41.26 | 37.07 | a | 32.06 | 41.26 | ||||||||||
1993 | 26.16 | 26.30 | a | 34.87 | 40.10 | 46.77 | 48.60 | 52.13 | 51.29 | 45.07 | 41.63 | a | 28.90 | 32.33 | a | 39.51 | ||||||||||
1994 | 37.29 | 31.50 | 36.06 | 41.31 | a | 42.45 | 45.97 | 51.61 | 50.23 | 48.37 | 36.03 | 31.38 | a | 33.65 | 40.49 | |||||||||||
1995 | 34.84 | 35.68 | 33.65 | 36.97 | 43.87 | a | 47.87 | 52.58 | 48.77 | 50.73 | 41.29 | 40.83 | 34.90 | 41.83 | ||||||||||||
1996 | 34.68 | 31.32 | a | 34.84 | 40.60 | 41.65 | 44.97 | 50.23 | 49.55 | 44.34 | a | 39.48 | 35.53 | 33.71 | 40.07 | |||||||||||
1997 | 34.90 | 33.68 | 36.87 | 36.17 | 44.39 | 48.43 | 50.74 | 53.13 | 48.60 | 42.23 | 37.43 | 32.32 | 41.57 | |||||||||||||
1998 | 35.03 | 36.18 | 37.06 | 36.13 | 45.10 | 50.67 | 54.77 | 49.84 | 45.27 | 39.90 | 39.67 | 33.45 | 41.92 | |||||||||||||
1999 | 34.94 | 35.68 | 32.90 | 34.66 | a | 40.68 | 48.17 | 49.61 | 52.13 | 42.66 | a | 37.87 | 40.03 | 35.39 | 40.39 | |||||||||||
2000 | 31.55 | 32.32 | a | 33.90 | 38.79 | b | 44.06 | 47.77 | 51.45 | 48.77 | a | 45.77 | 41.55 | 32.04 | b | 33.00 | 40.08 | |||||||||
2001 | 32.29 | 28.96 | 34.42 | 37.03 | 41.61 | 43.92 | d | 50.34 | b | 50.92 | f | 44.70 | g | 40.27 | e | 37.95 | h | 31.89 | d | 37.86 | c | |||||
2002 | 34.00 | e | 31.48 | c | 33.48 | d | 37.44 | e | 40.36 | c | 46.63 | c | 51.07 | c | 47.25 | c | 42.96 | d | 37.04 | e | 34.76 | e | 34.00 | h | 39.68 | a |
2003 | 35.82 | i | 31.74 | e | 39.92 | e | 38.24 | e | 41.37 | d | 46.96 | b | 50.43 | c | 48.62 | b | 46.59 | h | 42.92 | g | 31.48 | g | 33.04 | e | 41.29 | d |
2004 | 32.54 | e | 33.36 | d | 35.93 | d | 36.54 | d | 44.48 | b | 48.11 | b | 52.37 | a | 55.22 | d | 46.04 | d | 42.11 | d | 33.18 | h | 34.17 | g | 42.67 | b |
2005 | 33.20 | f | 26.87 | e | 36.36 | f | 40.81 | c | 47.19 | d | 49.10 | a | 50.04 | c | 51.04 | c | 42.69 | d | 42.33 | g | 33.19 | c | 32.15 | e | 41.45 | c |
2006 | 37.11 | d | 29.57 | g | 34.61 | 37.83 | 40.65 | 48.07 | 50.65 | 48.29 | 44.60 | 37.42 | 35.37 | 31.94 | 40.59 | a | ||||||||||
2007 | 28.55 | 35.25 | 36.97 | 36.93 | 40.52 | 46.87 | 51.97 | 49.61 | 45.00 | 38.19 | 33.10 | 33.42 | 39.70 | |||||||||||||
2008 | 29.03 | 33.97 | 32.10 | 32.93 | 44.94 | 45.37 | 48.00 | 50.32 | 43.20 | 37.07 | a | 38.23 | 29.32 | 38.71 | ||||||||||||
2009 | 29.71 | 28.46 | 32.48 | 34.07 | 39.39 | 45.57 | 50.84 | 49.94 | 45.03 | 38.63 | a | 36.33 | 25.46 | e | 37.99 | |||||||||||
2010 | 36.84 | 33.93 | 33.16 | 37.07 | 39.94 | 45.77 | 50.16 | 49.74 | 49.37 | 38.55 | 33.77 | 33.35 | 40.14 | |||||||||||||
2011 | 33.06 | 28.62 | b | 34.65 | 33.27 | 38.13 | 46.10 | 48.10 | 48.97 | 45.13 | 40.42 | 30.70 | 28.13 | 37.94 | ||||||||||||
2012 | 29.55 | 32.48 | 33.68 | 37.63 | 40.32 | 45.97 | 50.94 | 49.97 | a | 43.40 | 39.03 | 37.03 | a | 35.00 | 39.58 | |||||||||||
2013 | 27.61 | 34.93 | 36.19 | 36.97 | 43.68 | 48.43 | 51.35 | 50.68 | 49.03 | 36.00 | 34.07 | 27.06 | 39.67 | |||||||||||||
2014 | 32.71 | 31.68 | 36.10 | 36.73 | 43.26 | 49.07 | 50.84 | 52.87 | 45.87 | 46.61 | 32.30 | 34.94 | 41.08 | |||||||||||||
2015 | 33.58 | 36.04 | 36.16 | 34.50 | 46.74 | 49.27 | 52.52 | 49.94 | 43.37 | 43.65 | 31.40 | 34.74 | 40.99 | |||||||||||||
2016 | 34.23 | 36.17 | 36.81 | 39.83 | 42.90 | 46.60 | 52.55 | 51.19 | 45.80 | 43.52 | 40.60 | 28.87 | 41.59 | |||||||||||||
2017 | 25.84 | 30.75 | 36.45 | 36.03 | 42.26 | 47.50 | 47.81 | 50.16 | 46.07 | 36.00 | 35.40 | 29.42 | 38.64 | |||||||||||||
2018 | 36.81 | 31.36 | 31.55 | 36.93 | 44.65 | 44.60 | 51.10 | 51.06 | 44.60 | 38.71 | 35.53 | 33.19 | 40.01 | |||||||||||||
2019 | 32.55 | 26.54 | 27.16 | 38.40 | 45.37 | a | 46.00 | 51.16 | 50.97 | 49.17 | 35.06 | 33.45 | a | 35.77 | 39.30 | |||||||||||
2020 | 39.16 | 32.52 | 31.39 | 36.37 | 43.87 | 47.73 | 49.13 | 48.45 | 49.53 | 42.03 | 36.23 | 35.48 | 40.99 | |||||||||||||
2021 | 35.23 | 34.54 | 31.45 | 34.43 | 41.71 | 48.83 | 52.19 | 52.10 | 44.43 | 40.94 | 40.03 | 33.48 | 40.78 | |||||||||||||
2022 | 31.77 | a | 33.29 | 37.39 | 34.93 | 42.48 | 48.87 | 52.48 | 52.19 | 47.50 | 41.90 | 30.23 | 33.58 | 40.55 | ||||||||||||
2023 | 35.13 | 31.68 | 31.48 | 37.93 | 45.03 | 46.50 | 49.65 | 52.29 | 45.47 | 42.26 | 33.27 | 38.26 | 40.75 | |||||||||||||
2024 | 36.10 | 36.52 | 35.32 | 35.79 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.98 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.98 | 32.76 | 34.76 | 37.27 | 42.76 | 47.17 | 50.56 | 50.22 | 45.52 | 39.79 | 35.62 | 32.58 | 40.21 | |||||||||||||
S.D. | 3.26 | 3.05 | 2.48 | 2.20 | 2.05 | 1.49 | 1.47 | 1.70 | 2.18 | 2.64 | 3.38 | 3.01 | 1.10 | |||||||||||||
SKEW | -0.58 | -0.72 | -0.53 | -0.02 | 0.12 | -0.11 | 0.23 | 0.37 | 0.66 | 0.40 | -0.27 | -0.63 | -0.73 | |||||||||||||
MAX | 39.16 | 37.89 | 39.92 | 42.03 | 47.19 | 50.67 | 54.77 | 55.22 | 50.73 | 46.61 | 40.83 | 38.26 | 41.92 | |||||||||||||
MIN | 25.84 | 25.19 | 27.16 | 32.93 | 38.13 | 43.92 | 47.81 | 47.16 | 41.79 | 35.06 | 28.77 | 25.45 | 37.33 | |||||||||||||
YRS | 42 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 42 | 41 | 39 | 41 | 36 |