YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.14 | a | 19.00 | 26.07 | j | |
1989 | 18.77 | a | 18.61 | 35.58 | 36.89 | b | 41.61 | 49.34 | a | 51.42 | 49.65 | 43.27 | 34.23 | 24.33 | 19.10 | 35.23 | ||||||||||
1990 | 21.06 | 17.46 | 30.33 | a | 39.45 | a | 41.16 | 46.27 | 54.42 | 52.55 | 45.59 | a | 36.55 | 25.17 | 10.66 | b | 35.06 | |||||||||
1991 | 17.29 | 27.11 | 29.35 | 33.53 | 38.61 | 44.10 | 54.32 | 52.84 | 45.07 | 37.74 | 29.34 | a | 21.23 | 35.88 | ||||||||||||
1992 | 21.68 | 29.52 | 31.32 | 38.53 | 45.42 | 49.53 | 52.39 | 52.90 | 44.83 | 38.23 | 26.83 | 20.43 | a | 37.63 | ||||||||||||
1993 | 17.32 | 25.46 | 36.00 | 34.23 | 43.13 | 44.17 | 49.65 | 48.74 | 41.87 | 37.48 | 23.27 | 23.94 | 35.44 | |||||||||||||
1994 | 19.97 | 22.39 | 31.84 | 36.00 | 41.97 | a | 46.50 | 53.55 | 49.83 | a | 43.30 | 33.32 | 24.11 | b | 23.43 | a | 35.52 | |||||||||
1995 | 30.07 | a | 27.75 | 30.25 | c | 31.72 | a | 41.55 | 45.45 | a | 51.19 | 49.19 | 44.83 | 36.00 | a | 31.07 | 28.14 | b | 37.27 | |||||||
1996 | 27.26 | 29.25 | a | 29.35 | 35.57 | 42.71 | 48.10 | 55.94 | 51.00 | 42.47 | ----- | z | 29.00 | 28.93 | c | 38.14 | a | |||||||||
1997 | 25.43 | a | 25.93 | a | 31.03 | 34.57 | 43.77 | a | ----- | z | 52.23 | ----- | z | 46.45 | a | 34.26 | 29.96 | b | ----- | z | 35.96 | c | ||||
1998 | 28.42 | 27.30 | a | ----- | z | 32.04 | b | 37.81 | 47.20 | ----- | z | 51.29 | 49.80 | 32.60 | a | 29.97 | 20.10 | a | 35.65 | b | ||||||
1999 | 24.71 | 27.56 | a | 29.43 | a | 32.57 | b | 40.10 | 46.82 | b | 51.61 | 50.61 | 43.97 | a | 34.32 | 29.60 | 19.23 | 35.88 | ||||||||
2000 | 27.81 | 31.00 | 30.27 | a | 36.38 | a | 42.81 | 49.83 | 48.77 | 51.48 | 42.00 | a | 28.93 | c | 24.17 | 23.23 | 36.39 | |||||||||
2001 | 20.73 | a | 21.32 | 32.48 | 31.41 | a | 41.12 | w | 49.39 | b | 52.70 | a | 52.16 | ----- | z | 39.03 | b | 29.59 | a | 27.84 | 35.67 | b | ||||
2002 | 21.15 | d | 25.00 | b | 26.72 | b | 36.18 | b | 39.83 | b | 49.75 | b | 56.57 | a | 50.00 | a | 44.53 | 32.52 | 27.61 | b | 26.53 | a | 36.37 | |||
2003 | 28.80 | a | 23.62 | b | 31.90 | 33.31 | a | 42.81 | 49.28 | a | 56.76 | b | 52.97 | 45.30 | 37.97 | a | 26.86 | a | 28.23 | a | 38.15 | |||||
2004 | 22.97 | a | 28.03 | 32.94 | 35.90 | 41.13 | 48.10 | 55.48 | 53.19 | 43.90 | 35.97 | 27.29 | b | 22.27 | a | 37.26 | ||||||||||
2005 | 21.90 | 29.26 | a | 31.23 | 33.85 | c | 44.71 | c | 45.72 | a | 56.53 | a | 52.39 | 41.10 | 36.71 | c | 29.15 | c | 29.33 | a | 37.66 | |||||
2006 | 25.21 | b | 24.26 | a | 26.62 | b | 36.83 | 42.19 | 51.20 | 56.55 | 50.19 | 42.93 | 33.45 | 29.76 | a | 20.87 | a | 36.67 | ||||||||
2007 | 15.52 | 26.04 | a | 31.10 | 36.43 | 41.90 | a | 48.57 | 56.90 | 53.16 | 43.93 | 35.61 | 28.83 | 23.00 | a | 36.75 | ||||||||||
2008 | 22.43 | a | 24.43 | a | 29.59 | b | 33.37 | 40.55 | 45.60 | 53.23 | a | 53.29 | 43.27 | 34.35 | 29.93 | 20.31 | b | 35.86 | ||||||||
2009 | 21.76 | b | 27.61 | 28.35 | 33.93 | 44.45 | 48.14 | a | 54.61 | 51.97 | b | 46.69 | a | 33.97 | a | 27.20 | 16.16 | 36.24 | ||||||||
2010 | 26.58 | 27.96 | 29.73 | a | 32.53 | 35.97 | a | 48.45 | a | 53.24 | b | 48.58 | 41.62 | a | 38.24 | b | 25.79 | b | 27.52 | b | 36.35 | |||||
2011 | 22.57 | c | 22.35 | b | 31.58 | 37.10 | 38.57 | a | 46.57 | 51.62 | b | 51.70 | d | 47.87 | 37.07 | a | 27.63 | k | 17.23 | 36.75 | a | |||||
2012 | 23.65 | 25.72 | 32.61 | 38.90 | 41.41 | b | 47.23 | 54.48 | 54.87 | 46.65 | d | 37.87 | a | 30.10 | 26.10 | 38.30 | ||||||||||
2013 | 17.58 | 21.82 | 31.48 | 35.93 | 42.77 | 49.31 | a | 57.58 | 51.65 | 46.77 | 31.71 | 27.57 | 15.19 | 35.78 | ||||||||||||
2014 | 22.32 | 30.89 | 33.00 | 36.03 | 42.26 | 49.53 | 58.55 | 54.16 | 47.90 | 38.39 | 29.67 | 29.26 | 39.33 | |||||||||||||
2015 | 25.16 | 30.44 | a | 34.48 | 33.77 | 43.68 | 52.53 | 56.48 | 53.81 | 47.73 | 42.74 | 26.37 | 25.94 | 39.43 | ||||||||||||
2016 | 27.00 | 27.66 | 34.84 | 38.27 | 43.19 | 50.77 | 52.77 | 53.52 | 45.27 | 38.71 | 31.33 | 24.81 | 39.01 | |||||||||||||
2017 | 25.13 | 30.04 | 32.13 | 36.23 | 43.58 | 51.77 | 56.61 | 57.29 | 46.93 | 33.16 | 34.47 | 20.45 | 38.98 | |||||||||||||
2018 | 27.79 | b | 22.07 | 29.33 | a | 38.69 | a | 47.07 | b | 50.52 | c | 61.38 | e | 54.86 | b | 46.24 | a | 35.39 | c | 27.03 | 27.13 | a | 38.96 | |||
2019 | 25.58 | 25.44 | a | 30.60 | a | 38.83 | 41.48 | b | 50.97 | a | 55.58 | 55.40 | a | 46.70 | 30.69 | b | 28.17 | a | 28.03 | b | 38.12 | |||||
2020 | 28.80 | a | 24.81 | c | 31.07 | b | 37.86 | a | 44.11 | c | 50.04 | c | 54.24 | b | 56.86 | b | 48.04 | e | 36.48 | d | 26.31 | d | 22.36 | c | 38.41 | |
2021 | 25.74 | 24.88 | b | 28.63 | a | 35.37 | 43.81 | 55.30 | 61.86 | c | 54.10 | a | 48.03 | 38.94 | 35.50 | b | 28.93 | a | 40.09 | |||||||
2022 | 24.28 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.58 | 25.85 | 31.10 | 35.52 | 42.07 | 48.63 | 54.66 | 52.38 | 45.15 | 35.71 | 28.44 | 23.18 | 37.22 | |||||||||||||
S.D. | 3.80 | 3.37 | 2.23 | 2.27 | 2.29 | 2.47 | 2.98 | 2.19 | 2.22 | 2.88 | 2.85 | 4.68 | 1.46 | |||||||||||||
SKEW | -0.29 | -0.56 | 0.24 | -0.07 | -0.51 | 0.29 | 0.38 | 0.24 | -0.01 | -0.12 | 0.39 | -0.56 | 0.29 | |||||||||||||
MAX | 30.07 | 31.00 | 36.00 | 39.45 | 47.07 | 55.30 | 61.86 | 57.29 | 49.80 | 42.74 | 35.50 | 29.33 | 40.09 | |||||||||||||
MIN | 15.52 | 17.46 | 26.62 | 31.41 | 35.97 | 44.10 | 48.77 | 48.58 | 41.10 | 28.93 | 23.27 | 10.66 | 35.06 | |||||||||||||
YRS | 33 | 33 | 32 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 28 |