YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.00 | 51.16 | ----- | z | 32.87 | a | 48.68 | i | ||
1987 | 30.03 | 34.21 | 35.90 | 44.41 | a | 55.00 | 62.45 | a | 66.94 | ----- | z | 58.60 | 50.94 | 38.33 | 29.29 | 46.01 | a | |||||||||
1988 | 28.32 | 32.62 | 37.20 | a | 46.43 | 55.81 | 64.50 | 67.21 | b | 67.48 | 58.90 | 50.55 | b | 34.00 | p | 28.55 | 48.87 | a | ||||||||
1989 | 31.66 | b | 32.86 | 41.52 | 51.47 | 60.23 | 65.29 | b | 69.52 | 67.26 | 59.87 | 50.97 | a | 38.27 | d | 23.74 | 49.39 | |||||||||
1990 | 31.06 | 34.63 | a | 39.04 | d | 45.04 | e | 58.07 | b | 72.27 | 68.10 | a | 66.06 | 63.50 | f | 48.61 | 39.71 | f | 30.17 | a | 49.31 | b | ||||
1991 | 30.42 | 37.68 | 41.48 | 49.78 | g | 59.71 | 65.63 | 67.36 | i | 65.16 | 59.37 | c | 49.89 | d | 36.04 | b | 32.60 | a | 47.80 | b | ||||||
1992 | 29.77 | 48.83 | f | 57.45 | 62.65 | g | 58.00 | b | 63.03 | 81.21 | c | 67.43 | a | 61.46 | f | 51.97 | 33.23 | 32.48 | 52.73 | c | ||||||
1993 | 33.00 | 32.07 | a | 36.29 | 47.79 | a | 54.61 | 64.06 | l | 70.86 | i | 67.13 | a | 59.83 | a | 46.77 | 33.57 | 30.94 | 44.20 | b | ||||||
1994 | 27.13 | a | 30.88 | b | 37.90 | 44.30 | 58.03 | 67.59 | a | 69.10 | 71.06 | 61.40 | 51.06 | 40.55 | a | 34.13 | 49.43 | |||||||||
1995 | 28.79 | b | 37.64 | 39.38 | b | 44.10 | 55.97 | b | 62.43 | b | 68.93 | d | 69.57 | a | 61.41 | a | 49.20 | f | 40.21 | p | 31.68 | 49.99 | b | |||
1996 | 27.48 | 34.64 | a | 32.54 | c | 47.93 | 62.45 | 66.87 | 70.07 | a | 66.57 | a | 58.72 | a | 46.97 | b | 36.46 | b | 30.58 | 48.44 | ||||||
1997 | 28.52 | 32.71 | 40.65 | 44.10 | 56.42 | 63.20 | 68.10 | 66.77 | 61.97 | 48.33 | a | 35.03 | 25.39 | 47.60 | ||||||||||||
1998 | 30.74 | 30.89 | 39.10 | ----- | z | 56.71 | 64.83 | 69.26 | 66.16 | 64.34 | a | 51.37 | a | 40.27 | 29.84 | 49.41 | a | |||||||||
1999 | 30.52 | 34.71 | 39.77 | 47.50 | 53.87 | 64.63 | 69.13 | 68.68 | 59.37 | 45.61 | 40.15 | c | 26.52 | 48.37 | ||||||||||||
2000 | 29.03 | 36.62 | ----- | z | 49.10 | 61.66 | b | 64.73 | 71.74 | 69.77 | 61.43 | 48.33 | a | 32.47 | ----- | z | 52.49 | b | ||||||||
2001 | 27.29 | 34.48 | a | 39.65 | 47.00 | 57.00 | b | 67.03 | 71.52 | ----- | z | 61.80 | 48.07 | a | 40.63 | 28.03 | 47.50 | a | ||||||||
2002 | 30.19 | 29.43 | 35.94 | 52.10 | 57.27 | a | 67.97 | a | 68.26 | 70.23 | 60.57 | 49.74 | 35.57 | 30.48 | 48.98 | |||||||||||
2003 | 29.26 | 33.86 | 40.10 | 49.07 | 55.44 | d | ----- | z | 68.10 | 68.58 | 60.69 | a | 52.10 | 40.80 | 28.26 | 47.84 | a | |||||||||
2004 | 33.03 | 31.48 | 45.00 | 46.57 | b | 56.06 | 64.40 | 67.42 | 65.06 | 60.47 | 52.43 | a | ----- | z | 29.32 | 50.11 | a | |||||||||
2005 | 35.77 | 36.64 | 37.77 | ----- | z | ----- | z | 65.13 | 67.52 | 66.31 | b | 62.24 | a | 50.87 | 35.90 | 27.84 | 48.60 | b | ||||||||
2006 | ----- | z | 33.14 | 42.81 | ----- | z | ----- | z | 67.13 | 70.03 | ----- | z | 59.03 | a | 50.58 | 37.17 | 28.81 | 48.59 | d | |||||||
2007 | 27.97 | 31.68 | 43.58 | 43.67 | c | 55.71 | 62.07 | 65.94 | 67.61 | 64.00 | c | 49.61 | 37.50 | 29.84 | 48.26 | |||||||||||
2008 | 27.06 | 32.17 | 36.97 | 43.10 | a | 54.87 | 66.90 | 68.00 | 66.74 | 59.21 | b | 47.87 | a | 34.67 | 27.47 | a | 47.09 | |||||||||
2009 | 25.13 | ----- | z | 40.07 | b | 45.23 | 56.96 | c | 65.00 | e | 69.26 | 67.43 | a | 58.07 | a | 46.77 | 36.63 | 26.74 | 48.85 | a | ||||||
2010 | 26.45 | 31.18 | 35.97 | a | 47.23 | 54.10 | 67.70 | 68.39 | 68.00 | 62.37 | 48.48 | b | 32.87 | 29.58 | 47.69 | |||||||||||
2011 | 23.06 | 25.39 | 41.93 | b | 50.27 | 51.84 | 68.90 | 73.29 | 73.81 | 60.96 | b | 49.23 | 36.77 | 28.90 | a | 48.70 | ||||||||||
2012 | 30.90 | 32.62 | 46.05 | k | 52.25 | b | 57.55 | 66.75 | f | 68.95 | k | 68.39 | 60.60 | 46.84 | 39.46 | b | 27.50 | a | 46.23 | c | ||||||
2013 | 27.74 | 29.89 | 37.73 | a | 43.43 | 54.13 | a | 67.30 | 67.71 | 68.20 | a | 62.96 | b | 47.48 | 37.60 | 27.10 | 47.61 | |||||||||
2014 | 24.17 | a | 31.82 | 36.81 | ----- | z | 53.35 | 67.10 | 69.03 | 67.81 | 62.70 | 49.30 | a | 32.83 | a | 32.58 | 47.95 | a | ||||||||
2015 | 27.13 | a | 30.96 | 39.13 | 45.80 | 52.87 | 64.47 | 68.84 | 68.16 | 64.87 | 52.18 | c | 36.93 | 29.26 | 48.38 | |||||||||||
2016 | 27.26 | 44.54 | a | 39.61 | 46.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.87 | 31.13 | 38.48 | f | |||||
2017 | 31.58 | 36.46 | 44.58 | 49.24 | a | 54.71 | 65.87 | 68.87 | 66.90 | 61.43 | 49.32 | 40.53 | 28.45 | 49.83 | ||||||||||||
2018 | 23.39 | 32.07 | 43.29 | 45.60 | 60.68 | 69.27 | 70.42 | 69.32 | 63.31 | n | ----- | z | ----- | z | ----- | z | 51.75 | d | ||||||||
2019 | 25.81 | 34.25 | 38.84 | 46.67 | 54.19 | 61.93 | 68.35 | 71.68 | 66.63 | 44.58 | 35.33 | 32.03 | 48.36 | |||||||||||||
2020 | 44.97 | 31.03 | 45.90 | 45.69 | a | 56.94 | 66.20 | 72.29 | 70.90 | 56.20 | 47.06 | 39.83 | 24.16 | 50.10 | ||||||||||||
2021 | 27.13 | 25.89 | 38.10 | 45.67 | 58.52 | ----- | z | 66.90 | 66.90 | 61.67 | 68.54 | e | 35.90 | 35.10 | 48.21 | a | ||||||||||
2022 | 24.39 | 23.43 | 33.81 | 46.80 | 55.52 | 68.00 | 71.52 | 69.13 | 61.67 | 49.39 | 35.77 | ----- | z | 49.04 | a | |||||||||||
2023 | 31.29 | 31.25 | 37.26 | 42.75 | b | 54.55 | 62.77 | 72.16 | 70.84 | 64.30 | 53.40 | a | 40.03 | 31.77 | 49.36 | |||||||||||
2024 | 25.32 | 34.69 | 40.33 | a | 44.20 | 56.42 | 69.30 | 68.23 | ----- | z | 63.07 | a | 54.55 | ----- | z | ----- | z | 50.68 | c | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.99 | 32.79 | 39.82 | 46.59 | 56.43 | 65.81 | 69.45 | 68.22 | 61.22 | 50.03 | 37.16 | 29.52 | 48.60 | |||||||||||||
S.D. | 3.92 | 3.72 | 4.27 | 2.57 | 2.45 | 2.42 | 2.69 | 1.96 | 2.15 | 3.88 | 2.69 | 2.63 | 0.86 | |||||||||||||
SKEW | 1.78 | 0.22 | 1.92 | 0.65 | 0.60 | 0.35 | 2.57 | 0.80 | 0.20 | 3.02 | -0.04 | -0.11 | 0.06 | |||||||||||||
MAX | 44.97 | 44.54 | 57.45 | 52.25 | 62.45 | 72.27 | 81.21 | 73.81 | 66.63 | 68.54 | 41.87 | 35.10 | 50.10 | |||||||||||||
MIN | 23.06 | 23.43 | 32.54 | 42.75 | 51.84 | 61.93 | 65.94 | 65.06 | 56.20 | 44.58 | 32.47 | 23.74 | 47.09 | |||||||||||||
YRS | 37 | 36 | 36 | 32 | 35 | 33 | 34 | 33 | 35 | 36 | 32 | 35 | 16 |