YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.52 | b | 74.80 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.52 | k |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | 49.78 | u | 58.42 | k | 67.48 | a | 73.65 | 67.74 | 56.78 | a | 47.25 | a | 35.43 | b | 24.44 | 53.25 | e | |||
2007 | 20.81 | 33.05 | 41.95 | 48.81 | a | 56.90 | 65.93 | 74.18 | 70.66 | 59.45 | 46.42 | 35.37 | 15.90 | a | 47.45 | |||||||||||
2008 | 12.34 | 22.31 | 35.77 | 43.41 | a | 52.74 | 62.98 | 71.90 | 68.87 | a | 61.26 | a | 47.82 | a | 37.85 | 20.47 | 44.81 | |||||||||
2009 | 22.18 | 32.77 | 38.50 | d | 44.67 | c | 57.88 | a | 62.14 | b | 71.57 | a | 67.52 | h | 62.38 | 44.95 | a | 34.93 | 13.63 | h | 47.20 | b | ||||
2010 | 21.30 | k | 23.30 | 38.02 | c | 47.05 | 52.53 | b | 65.48 | 71.47 | 67.74 | 60.27 | 49.42 | 32.77 | 31.32 | 49.03 | a | |||||||||
2011 | 20.82 | 28.26 | a | 38.91 | b | 45.03 | a | 51.85 | 63.27 | b | 71.25 | a | 70.90 | a | 61.84 | a | 47.71 | 32.47 | 23.13 | 46.29 | ||||||
2012 | 24.36 | f | 31.32 | a | 42.98 | 49.75 | b | 57.80 | c | 67.83 | a | 72.32 | 71.41 | b | 61.27 | 47.82 | 35.77 | 20.76 | 50.82 | a | ||||||
2013 | 10.11 | 26.55 | 41.98 | k | 45.71 | a | 56.00 | 66.58 | 73.77 | 69.02 | 61.92 | 44.94 | 34.28 | 19.79 | 46.24 | a | ||||||||||
2014 | 27.63 | 33.07 | a | 39.55 | 46.33 | a | 55.06 | 62.98 | 73.35 | 68.72 | a | 62.48 | 50.43 | a | 33.13 | 28.85 | 48.47 | |||||||||
2015 | 30.10 | 36.04 | 43.52 | 45.98 | 54.32 | 68.52 | 68.45 | 69.92 | a | 62.45 | 53.44 | 32.72 | 21.45 | 48.91 | ||||||||||||
2016 | 19.84 | 31.07 | 40.26 | 48.47 | 54.56 | 69.58 | 71.39 | 68.84 | 60.12 | 50.92 | 38.48 | 23.86 | b | 48.12 | ||||||||||||
2017 | 18.50 | 31.66 | 45.13 | 46.15 | 56.21 | 67.86 | a | 72.98 | 69.24 | 59.38 | 45.15 | 37.80 | 26.34 | 48.03 | ||||||||||||
2018 | 26.65 | 30.05 | 38.44 | 42.10 | y | ----- | z | ----- | z | 75.79 | 70.82 | c | 63.79 | a | 47.47 | 30.47 | 23.82 | a | 45.25 | c | ||||||
2019 | 20.90 | a | 18.18 | c | 37.32 | 48.40 | 50.15 | a | 62.55 | 70.05 | b | 69.00 | e | 61.10 | 39.71 | 34.57 | 26.53 | 44.87 | ||||||||
2020 | 17.37 | 28.82 | a | 39.31 | 43.87 | 57.97 | 64.10 | 70.16 | 72.47 | 60.27 | 48.27 | 33.20 | 20.39 | 46.35 | ||||||||||||
2021 | 23.66 | 32.12 | 39.56 | 48.38 | 59.39 | 71.33 | 76.66 | 70.07 | a | 62.95 | 47.76 | 39.13 | 27.58 | 49.88 | ||||||||||||
2022 | 25.00 | 28.62 | 40.08 | 47.88 | 55.03 | 67.27 | 74.11 | 73.00 | 65.52 | 49.45 | 30.92 | 24.53 | 48.45 | |||||||||||||
2023 | 23.45 | 20.50 | 32.40 | 45.23 | 58.44 | 63.47 | 75.00 | 72.13 | a | 61.15 | 48.81 | 35.07 | 28.81 | 47.04 | ||||||||||||
2024 | 28.78 | a | 33.83 | 39.76 | 49.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.98 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.76 | 28.97 | 39.50 | 46.75 | 55.43 | 66.05 | 72.67 | 70.03 | 61.35 | 47.65 | 34.69 | 24.00 | 47.39 | |||||||||||||
S.D. | 5.51 | 4.98 | 2.96 | 1.97 | 2.64 | 2.80 | 2.12 | 1.59 | 1.92 | 2.93 | 2.49 | 3.97 | 1.57 | |||||||||||||
SKEW | -0.52 | -0.80 | -0.31 | -0.06 | -0.38 | 0.16 | -0.01 | 0.35 | -0.17 | -0.71 | 0.18 | -0.06 | -0.33 | |||||||||||||
MAX | 30.10 | 36.04 | 45.13 | 49.75 | 59.39 | 71.33 | 76.66 | 73.00 | 65.52 | 53.44 | 39.13 | 31.32 | 49.88 | |||||||||||||
MIN | 10.11 | 18.18 | 32.40 | 43.41 | 50.15 | 62.14 | 68.45 | 67.74 | 56.78 | 39.71 | 30.47 | 15.90 | 44.81 | |||||||||||||
YRS | 16 | 18 | 17 | 17 | 16 | 18 | 18 | 17 | 18 | 18 | 18 | 17 | 12 |