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 | 88.28 | a | 95.12 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.28 | 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 | 71.22 | u | 79.30 | k | 88.34 | a | 91.61 | 85.39 | 75.62 | a | 61.77 | a | 51.36 | b | 38.23 | 70.33 | e | |||
2007 | 37.23 | 49.32 | 61.10 | 67.07 | a | 76.45 | 89.23 | 93.42 | 89.74 | 79.20 | 64.68 | 55.33 | 28.73 | a | 65.96 | |||||||||||
2008 | 26.90 | 37.72 | 52.32 | 63.20 | 70.87 | 84.27 | 91.19 | 88.13 | a | 81.45 | a | 67.30 | a | 54.00 | 34.52 | 62.66 | ||||||||||
2009 | 36.87 | 46.71 | 57.57 | c | 63.14 | a | 75.52 | 79.28 | a | 90.29 | 86.92 | g | 81.93 | 61.17 | a | 54.50 | 27.91 | h | 64.70 | b | ||||||
2010 | 34.00 | k | 36.71 | 52.86 | b | 64.53 | 70.59 | b | 85.47 | 91.10 | 86.45 | 83.80 | 64.45 | 47.20 | 42.06 | 65.93 | a | |||||||||
2011 | 34.97 | 42.30 | a | 53.55 | 61.73 | 68.52 | 84.71 | b | 88.60 | a | 90.67 | a | 81.45 | a | 65.13 | 48.57 | 39.06 | 63.27 | ||||||||
2012 | 42.12 | f | 44.38 | 62.42 | 70.18 | b | 79.32 | c | 91.00 | a | 89.97 | 89.93 | b | 81.43 | 66.90 | 55.07 | 34.19 | 69.53 | a | |||||||
2013 | 26.29 | 40.11 | 59.76 | j | 62.24 | a | 74.06 | 89.60 | 91.71 | 86.29 | 76.77 | 62.39 | 47.50 | 32.58 | 62.69 | a | ||||||||||
2014 | 43.84 | 50.44 | a | 58.13 | 64.30 | 74.65 | 83.63 | 91.65 | 87.48 | 80.13 | 68.80 | a | 49.10 | 39.10 | 65.94 | |||||||||||
2015 | 43.77 | 53.36 | 62.26 | 65.50 | 69.26 | 88.60 | 86.74 | 88.37 | a | 83.60 | 68.81 | 46.30 | 34.81 | 65.95 | ||||||||||||
2016 | 33.90 | 46.48 | 58.16 | 64.97 | 71.71 | 91.00 | 91.97 | 88.81 | 77.77 | 66.03 | 53.70 | 36.73 | a | 65.10 | ||||||||||||
2017 | 30.61 | 43.11 | 62.61 | 63.70 | 75.29 | 89.34 | a | 91.74 | 88.00 | 77.20 | 65.87 | 57.23 | 45.42 | 65.84 | ||||||||||||
2018 | 42.90 | 46.64 | 56.48 | 61.40 | y | ----- | z | ----- | z | 95.13 | 90.30 | a | 86.53 | 60.55 | 46.43 | 37.45 | 62.49 | c | ||||||||
2019 | 34.47 | a | 33.04 | a | 49.55 | 65.53 | 66.97 | 83.10 | 92.61 | 91.55 | 83.23 | 62.32 | 54.23 | 38.03 | 62.89 | |||||||||||
2020 | 31.71 | 44.72 | 55.55 | 65.03 | 78.71 | 84.67 | 93.06 | 97.23 | 83.90 | 72.87 | 54.03 | 38.16 | 66.64 | |||||||||||||
2021 | 38.16 | 46.21 | 56.97 | 68.33 | 79.23 | 93.20 | 95.10 | 89.93 | a | 83.83 | 62.68 | 57.40 | 42.35 | 67.78 | ||||||||||||
2022 | 40.55 | 46.14 | 56.65 | 67.90 | 75.55 | 87.13 | 93.87 | 91.68 | 84.70 | 68.06 | 46.70 | 37.29 | 66.35 | |||||||||||||
2023 | 33.97 | 35.54 | 44.06 | 63.53 | 76.13 | 81.97 | 95.16 | 89.10 | 81.57 | 68.90 | 52.73 | 45.06 | 63.98 | |||||||||||||
2024 | 42.42 | 47.34 | 54.45 | 61.64 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.07 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.16 | 43.91 | 56.16 | 65.06 | 73.93 | 86.82 | 91.94 | 89.36 | 81.34 | 65.48 | 51.74 | 37.87 | 65.20 | |||||||||||||
S.D. | 5.62 | 5.44 | 4.87 | 2.32 | 3.86 | 3.64 | 2.23 | 2.71 | 3.03 | 3.32 | 3.87 | 4.31 | 1.63 | |||||||||||||
SKEW | -0.19 | -0.43 | -0.72 | 0.67 | -0.26 | -0.25 | -0.45 | 1.25 | -0.36 | 0.34 | -0.17 | -0.05 | -0.31 | |||||||||||||
MAX | 43.84 | 53.36 | 62.61 | 70.18 | 79.32 | 93.20 | 95.16 | 97.23 | 86.53 | 72.87 | 57.40 | 45.42 | 67.78 | |||||||||||||
MIN | 26.29 | 33.04 | 44.06 | 61.73 | 66.97 | 79.28 | 86.74 | 85.39 | 75.62 | 60.55 | 46.30 | 28.73 | 62.66 | |||||||||||||
YRS | 16 | 18 | 17 | 16 | 16 | 18 | 18 | 17 | 18 | 18 | 18 | 17 | 12 |