YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | 36.41 | d | 40.00 | 46.00 | 50.58 | 42.20 | 34.72 | b | 31.50 | f | 26.74 | 39.52 | e | |||||
1992 | 28.38 | b | 30.43 | a | 29.39 | 35.57 | 38.94 | 47.17 | 48.68 | 48.65 | 41.07 | 37.10 | a | 27.15 | c | 19.68 | c | 36.01 | ||||||||
1993 | 13.03 | b | 16.79 | 30.82 | c | 32.48 | a | 41.19 | 41.97 | a | 42.58 | 45.43 | a | 40.72 | a | 37.17 | a | 17.63 | 25.79 | c | 32.13 | |||||
1994 | 27.30 | a | 22.60 | c | 27.40 | a | 34.13 | 39.63 | a | 42.44 | c | 49.55 | 46.32 | 43.86 | a | 32.53 | a | 24.33 | c | 22.93 | d | 34.42 | ||||
1995 | 26.55 | b | 30.45 | h | 26.75 | c | 29.57 | 36.55 | 42.50 | 48.40 | a | 43.61 | 43.90 | 32.26 | 32.88 | d | 23.97 | b | 35.18 | a | ||||||
1996 | 26.48 | b | 22.96 | a | 27.74 | 32.69 | a | ----- | z | 40.00 | a | 50.29 | 47.55 | 39.24 | a | 33.90 | b | 28.21 | a | 27.24 | b | 34.21 | a | |||
1997 | 23.52 | 24.93 | 31.07 | a | 29.75 | b | 39.97 | b | 41.37 | 47.26 | 50.93 | a | 43.97 | 33.23 | ----- | z | 22.77 | a | 35.34 | a | ||||||
1998 | 27.32 | 29.00 | a | ----- | z | 31.43 | ----- | z | 43.13 | ----- | z | 48.13 | 40.44 | u | 29.80 | f | 31.00 | 22.61 | c | 33.23 | e | |||||
1999 | 26.55 | 27.36 | 26.07 | b | ----- | z | 31.52 | 40.20 | 45.10 | a | 47.40 | a | 37.13 | 30.73 | a | 31.93 | 20.55 | 33.14 | a | |||||||
2000 | 23.10 | a | 27.82 | a | 27.32 | 32.44 | c | 37.83 | a | 42.30 | 45.97 | 44.42 | 40.17 | 32.55 | 22.83 | f | 23.71 | c | 34.33 | a | ||||||
2001 | 22.63 | a | 22.07 | a | 28.23 | 29.27 | 38.03 | a | 40.52 | a | 46.65 | 48.77 | a | 43.57 | 34.17 | a | 30.04 | c | 24.00 | b | 33.99 | |||||
2002 | 24.70 | a | 25.36 | 24.10 | a | 30.37 | 35.10 | 44.83 | a | 49.79 | b | 45.39 | c | 41.66 | a | 29.19 | 26.17 | a | 26.61 | c | 33.61 | |||||
2003 | 30.62 | b | 23.28 | c | 32.84 | 31.66 | a | 37.65 | 43.60 | 52.15 | d | 50.13 | 44.23 | 40.54 | c | 26.90 | a | 25.20 | a | 36.57 | ||||||
2004 | 23.47 | a | 26.52 | 31.68 | 32.17 | a | 36.87 | a | 43.43 | 50.48 | b | 52.10 | 41.37 | 36.19 | 27.70 | 26.61 | h | 36.54 | a | |||||||
2005 | 25.48 | 23.29 | 30.84 | 32.20 | 41.10 | a | 40.17 | 48.72 | b | 47.36 | c | 39.67 | 36.31 | b | 26.50 | 20.03 | b | 34.31 | ||||||||
2006 | 28.38 | b | 21.79 | 26.23 | a | 33.27 | 37.00 | 45.00 | a | 50.97 | 45.48 | 41.07 | 31.32 | 29.50 | 25.04 | d | 34.59 | |||||||||
2007 | 19.52 | 28.33 | a | 30.60 | a | 29.40 | 36.73 | a | 42.17 | 52.52 | 45.50 | e | 39.93 | 33.97 | b | 27.47 | 24.47 | a | 34.22 | |||||||
2008 | 20.10 | b | 26.56 | d | 23.97 | 25.23 | 38.30 | a | 40.17 | 48.23 | 49.26 | 40.38 | a | 35.48 | 32.41 | a | 16.77 | 33.07 | ||||||||
2009 | 22.07 | a | 24.63 | a | 25.06 | 28.14 | a | 38.94 | 44.80 | 50.80 | a | 49.81 | 44.48 | e | 32.29 | 29.18 | b | 18.14 | b | 34.03 | ||||||
2010 | 29.19 | 26.64 | 23.68 | c | 29.87 | 35.40 | a | 41.04 | b | 47.23 | 47.39 | 44.82 | b | 36.58 | 26.69 | a | 25.77 | 34.52 | ||||||||
2011 | 25.06 | 21.61 | 30.58 | 27.27 | 32.60 | a | 40.77 | 44.58 | 48.58 | 45.17 | 34.29 | 25.37 | 20.10 | 33.00 | ||||||||||||
2012 | 24.84 | 24.03 | 28.65 | 33.79 | b | 34.55 | 40.97 | 48.61 | 49.97 | a | 43.53 | 35.52 | 31.00 | a | 24.03 | 34.96 | ||||||||||
2013 | 19.45 | 24.68 | 27.58 | 30.45 | a | 37.67 | a | 42.50 | 49.77 | a | 50.06 | 44.45 | a | 30.97 | 25.03 | a | 17.23 | a | 33.32 | |||||||
2014 | 20.52 | 21.75 | 29.53 | a | 31.76 | a | 37.74 | 42.34 | a | 54.58 | 52.07 | a | 44.43 | 41.84 | 25.23 | 26.35 | 35.68 | |||||||||
2015 | 27.16 | 29.74 | a | 31.65 | 29.83 | a | 40.23 | 50.33 | 51.77 | 51.27 | a | 41.55 | a | 38.26 | 23.97 | 26.21 | c | 36.83 | ||||||||
2016 | 25.15 | d | 29.10 | 29.93 | b | 36.00 | 40.96 | d | 44.97 | a | 48.03 | a | 49.35 | 40.32 | e | 37.54 | c | 35.74 | k | 15.78 | h | 38.14 | b | |||
2017 | 14.37 | a | 25.61 | 32.13 | 30.53 | 38.68 | 44.60 | 51.90 | 52.68 | 45.43 | 33.13 | 28.66 | a | 17.60 | a | 34.61 | ||||||||||
2018 | 29.00 | 21.60 | h | 27.32 | c | 32.97 | 42.13 | 43.87 | 51.20 | f | 49.80 | a | 40.00 | 33.58 | 25.27 | 24.40 | k | 35.99 | c | |||||||
2019 | 25.08 | g | 20.88 | d | 21.69 | b | 35.85 | d | 40.67 | d | 44.25 | f | 48.96 | g | 51.48 | d | 45.19 | i | 28.71 | c | 28.52 | g | 27.75 | g | 33.21 | f |
2020 | 28.92 | f | 23.35 | c | 25.04 | f | 32.26 | g | 39.00 | d | 43.38 | f | 49.11 | c | 51.46 | c | 45.53 | 34.94 | 28.71 | b | 26.12 | f | 38.87 | e | ||
2021 | 25.07 | d | 22.73 | b | 25.19 | e | 29.63 | 37.59 | d | 51.62 | f | 54.12 | e | 50.00 | a | 42.39 | g | 36.71 | g | 31.63 | c | 26.00 | g | 34.50 | d | |
2022 | 25.54 | g | 21.38 | d | 30.91 | i | 28.00 | b | 34.46 | e | 45.07 | a | 55.04 | g | 55.31 | b | 44.80 | e | 37.74 | 22.93 | a | 19.18 | c | 34.32 | c | |
2023 | 23.68 | c | 21.10 | g | 23.20 | a | 33.04 | d | 42.63 | a | 45.37 | c | 51.75 | c | 52.55 | b | 43.33 | 33.89 | l | 28.17 | a | 29.79 | b | 37.35 | b | |
2024 | 22.50 | a | 26.57 | f | 26.88 | f | 30.19 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 22.50 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.17 | 24.66 | 27.97 | 31.29 | 37.94 | 42.92 | 49.16 | 49.05 | 42.40 | 34.56 | 27.56 | 23.06 | 34.44 | |||||||||||||
S.D. | 4.08 | 3.15 | 3.01 | 2.54 | 2.64 | 2.40 | 2.82 | 2.70 | 2.23 | 3.06 | 3.31 | 3.49 | 1.24 | |||||||||||||
SKEW | -0.97 | -0.10 | -0.27 | -0.11 | -0.42 | 1.00 | -0.21 | -0.07 | -0.36 | 0.28 | -0.71 | -0.27 | 0.30 | |||||||||||||
MAX | 30.62 | 30.43 | 32.84 | 36.00 | 42.63 | 50.33 | 54.58 | 55.31 | 45.53 | 41.84 | 32.88 | 29.79 | 36.83 | |||||||||||||
MIN | 13.03 | 16.79 | 21.69 | 25.23 | 31.52 | 40.00 | 42.58 | 43.61 | 37.13 | 28.71 | 17.63 | 16.77 | 32.13 | |||||||||||||
YRS | 30 | 29 | 29 | 30 | 31 | 30 | 29 | 33 | 30 | 30 | 28 | 27 | 18 |