YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1986 | ----- | z | ----- | z | ----- | z | ----- | z | 55.89 | d | 68.89 | b | 70.37 | a | 71.22 | b | 56.90 | a | 46.94 | 34.19 | a | 23.79 | 53.52 | d | ||
1987 | 18.17 | b | 31.74 | a | 36.21 | 50.15 | 58.68 | a | 66.22 | c | 69.80 | c | 68.35 | 60.91 | c | 50.61 | d | 35.23 | 19.06 | 47.10 | ||||||
1988 | 5.42 | 14.47 | 35.76 | b | 49.19 | a | 56.70 | a | 69.41 | a | 72.97 | b | 69.98 | 57.21 | b | 52.97 | 34.98 | 20.10 | 44.93 | |||||||
1989 | 11.03 | 11.91 | 41.38 | c | 52.22 | a | 57.45 | a | 64.52 | 73.70 | a | 68.52 | 60.60 | 48.29 | c | 35.25 | 22.02 | 45.57 | ||||||||
1990 | 23.77 | 21.75 | 40.85 | 52.23 | 56.45 | b | 67.72 | 72.95 | a | 69.35 | a | 65.25 | 48.20 | a | 32.98 | 10.87 | 46.87 | |||||||||
1991 | 7.71 | 23.84 | c | 37.26 | 45.34 | a | 55.77 | 64.90 | 71.15 | a | 70.55 | b | 61.68 | 47.89 | 32.52 | c | 20.29 | 44.91 | ||||||||
1992 | 11.18 | a | 27.75 | a | 43.00 | 53.38 | 60.45 | b | 66.26 | a | 68.02 | e | 70.05 | a | 61.60 | 50.90 | a | 30.95 | a | 14.28 | a | 46.49 | ||||
1993 | 14.14 | c | 17.61 | 34.52 | 47.25 | 58.47 | 63.09 | a | 67.27 | 66.95 | a | 58.52 | a | 47.32 | 28.93 | 23.79 | 43.99 | |||||||||
1994 | 25.77 | a | 26.39 | 40.43 | b | 48.96 | b | 60.03 | a | 68.83 | 72.92 | 72.74 | 61.15 | 47.55 | 31.05 | 26.98 | a | 48.57 | ||||||||
1995 | 25.58 | 35.33 | a | 41.11 | 45.00 | a | 52.72 | a | 63.00 | 68.98 | 71.24 | 60.98 | a | ----- | z | 36.42 | 26.89 | 47.93 | a | |||||||
1996 | 19.85 | 26.76 | 39.66 | 47.62 | a | 58.87 | 67.17 | a | 73.35 | 70.02 | 59.43 | 45.77 | a | 35.02 | 25.38 | a | 47.41 | |||||||||
1997 | 16.09 | b | 17.95 | 35.95 | a | 44.23 | b | 58.34 | 66.78 | 69.50 | 69.76 | 62.60 | a | 47.55 | 33.13 | 20.93 | b | 45.23 | ||||||||
1998 | 28.80 | a | 33.72 | a | ----- | z | 45.65 | 57.02 | a | 61.53 | 74.75 | a | 71.55 | 65.85 | 49.98 | b | 37.05 | 17.25 | a | 49.38 | a | |||||
1999 | 22.90 | 33.59 | 41.55 | 46.10 | 54.65 | a | 64.81 | a | 73.37 | 70.26 | 59.00 | 49.10 | 36.95 | 23.94 | 48.02 | |||||||||||
2000 | 28.18 | a | 33.69 | 40.02 | a | 51.98 | 61.18 | 67.71 | a | 73.00 | 73.97 | 60.58 | 48.84 | b | 28.20 | 24.34 | 49.31 | |||||||||
2001 | 20.24 | 29.91 | 42.69 | 49.48 | 59.52 | 67.66 | e | 72.97 | a | 71.74 | 63.32 | 49.71 | 36.19 | a | 14.00 | 48.12 | ||||||||||
2002 | 15.90 | 22.73 | 35.02 | 49.78 | 58.15 | 68.46 | b | 76.28 | b | 69.83 | a | 60.93 | 45.48 | 30.97 | 16.11 | 45.80 | ||||||||||
2003 | 15.68 | 25.80 | a | 41.23 | 47.35 | 58.18 | a | 65.47 | 75.81 | 73.56 | 60.60 | a | 53.52 | a | 30.12 | 21.87 | 47.43 | |||||||||
2004 | 10.35 | a | 19.09 | 44.29 | 49.88 | b | 59.17 | b | 65.23 | 71.07 | a | 67.35 | 59.43 | a | 49.52 | 34.62 | 25.00 | 46.25 | ||||||||
2005 | 26.78 | a | 32.30 | 40.06 | 47.20 | c | 57.35 | 62.80 | 73.39 | 69.38 | a | 60.67 | 50.45 | 34.90 | 22.52 | 48.15 | ||||||||||
2006 | 23.11 | 28.68 | 37.79 | 49.80 | 58.84 | 67.64 | a | 75.63 | 68.44 | 57.10 | 47.22 | b | 34.77 | 18.92 | 47.33 | |||||||||||
2007 | 3.97 | 28.30 | 42.00 | 48.98 | 57.56 | 67.13 | 75.84 | 72.98 | 61.37 | 47.47 | 34.82 | 8.06 | 45.71 | |||||||||||||
2008 | 4.26 | 14.40 | 33.11 | 43.48 | a | 53.81 | 64.43 | 73.33 | a | 70.35 | 59.35 | 47.73 | 36.50 | 20.66 | 43.45 | |||||||||||
2009 | 16.50 | h | 29.69 | a | 38.45 | 46.97 | 59.65 | a | 62.15 | 73.21 | 68.02 | 62.83 | 44.98 | 32.48 | 4.48 | 47.54 | a | |||||||||
2010 | 10.63 | 12.86 | 36.02 | a | 47.07 | 51.68 | 67.41 | a | 72.68 | 68.45 | 60.72 | 50.34 | 32.57 | 28.42 | 44.90 | |||||||||||
2011 | 6.88 | a | 12.30 | 36.08 | a | 45.18 | 52.08 | 63.43 | 71.53 | 71.08 | 62.22 | 47.66 | 32.60 | 19.90 | 43.41 | |||||||||||
2012 | 23.92 | 29.48 | 41.94 | 50.68 | 59.98 | d | 68.75 | 73.30 | a | 72.26 | 62.23 | 48.53 | 36.85 | 20.50 | 49.04 | |||||||||||
2013 | 1.44 | 13.61 | 36.26 | 45.50 | 56.97 | 67.95 | 75.61 | 70.48 | 62.57 | 47.32 | 33.53 | 6.05 | 43.11 | |||||||||||||
2014 | 15.06 | 30.63 | a | 40.44 | 48.60 | a | 57.89 | 65.88 | b | 74.55 | 68.44 | 63.60 | 50.13 | a | 33.30 | 28.98 | 48.12 | |||||||||
2015 | 26.18 | 35.54 | 43.84 | 48.02 | 55.71 | 70.85 | 73.18 | a | 73.35 | 65.13 | 56.21 | 36.43 | 20.05 | 50.37 | ||||||||||||
2016 | 15.79 | 26.78 | 42.98 | 50.27 | 56.29 | 71.48 | 72.92 | 69.76 | 62.87 | 52.52 | 39.25 | 23.85 | 48.73 | |||||||||||||
2017 | 15.87 | 29.91 | 45.15 | 47.35 | 56.69 | 68.35 | 74.52 | 70.16 | 60.52 | 45.29 | b | 38.25 | 23.69 | 47.98 | ||||||||||||
2018 | 25.69 | 30.66 | 39.18 | 49.15 | 59.87 | 68.65 | 75.66 | 69.44 | n | 62.22 | 48.52 | a | 31.28 | 23.29 | 46.74 | a | ||||||||||
2019 | 14.82 | 16.23 | 34.15 | 50.52 | 52.40 | 64.35 | 72.55 | 71.08 | a | 62.03 | a | 40.19 | 33.46 | b | 24.13 | 44.66 | ||||||||||
2020 | 13.77 | a | 25.55 | 41.00 | c | 45.27 | d | 59.65 | 66.17 | 72.45 | 72.77 | 60.83 | 48.05 | 32.97 | a | 16.74 | 46.27 | |||||||||
2021 | 13.50 | 28.88 | 39.26 | 47.42 | 58.13 | a | 70.60 | a | 76.10 | b | 68.97 | a | 62.34 | b | 47.82 | 38.25 | 27.52 | d | 48.23 | |||||||
2022 | 24.85 | a | 23.66 | 38.66 | c | 47.07 | 55.59 | d | 67.86 | b | 74.43 | a | 71.61 | 64.98 | a | 48.80 | a | 29.28 | 15.98 | b | 46.90 | |||||
2023 | 13.07 | j | 6.42 | h | 28.37 | h | 44.68 | k | 58.57 | j | 63.55 | j | 74.11 | l | 69.95 | k | 61.35 | m | 48.45 | j | 35.72 | l | 25.75 | m | ----- | z |
2024 | 24.80 | k | 33.12 | l | 39.77 | k | 47.55 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 16.78 | 25.10 | 39.35 | 48.18 | 57.24 | 66.58 | 72.95 | 70.41 | 61.35 | 48.59 | 33.95 | 20.29 | 46.64 | |||||||||||||
S.D. | 7.70 | 7.21 | 3.14 | 2.43 | 2.43 | 2.47 | 2.24 | 1.79 | 2.16 | 2.76 | 2.71 | 5.94 | 1.86 | |||||||||||||
SKEW | -0.19 | -0.48 | -0.19 | 0.14 | -0.72 | -0.16 | -0.69 | 0.16 | -0.04 | 0.00 | -0.19 | -0.99 | -0.18 | |||||||||||||
MAX | 28.80 | 35.54 | 45.15 | 53.38 | 61.18 | 71.48 | 76.28 | 73.97 | 65.85 | 56.21 | 39.25 | 28.98 | 50.37 | |||||||||||||
MIN | 1.44 | 11.91 | 33.11 | 43.48 | 51.68 | 61.53 | 67.27 | 66.95 | 56.90 | 40.19 | 28.20 | 4.48 | 43.11 | |||||||||||||
YRS | 35 | 36 | 35 | 36 | 37 | 37 | 37 | 36 | 37 | 36 | 37 | 37 | 32 |