YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.06 | d | 31.79 | f | 19.96 | d | 30.01 | j |
1988 | 0.58 | 2.80 | b | 23.48 | b | 38.43 | b | 59.13 | h | 66.65 | c | 70.06 | e | 64.25 | i | 55.18 | 39.40 | a | 26.42 | 11.35 | e | 33.43 | b | |||
1989 | 8.46 | c | -0.94 | b | 17.07 | c | 35.77 | f | 53.11 | 59.69 | a | 69.29 | c | 66.71 | g | 53.08 | d | 44.81 | 21.59 | c | -0.06 | g | 36.24 | c | ||
1990 | 17.00 | c | 10.02 | c | 23.59 | d | 38.80 | b | 49.90 | b | 64.03 | j | 67.35 | k | 67.09 | o | 55.77 | o | 41.79 | n | 30.31 | n | 14.70 | p | 27.86 | g |
1991 | -1.28 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.69 | 67.58 | 52.68 | 38.82 | 20.27 | 13.55 | 43.10 | f | ||||||
1992 | 13.98 | 17.95 | a | 26.65 | 35.90 | 55.32 | 58.40 | a | 58.37 | a | 60.31 | 52.88 | ----- | z | 24.93 | 8.95 | 37.60 | a | ||||||||
1993 | 4.11 | 8.64 | 24.10 | 38.22 | a | 50.98 | b | 57.82 | 62.08 | a | 63.83 | a | 48.85 | 38.22 | b | 20.79 | a | 11.67 | a | 35.78 | ||||||
1994 | -6.74 | 1.84 | 27.82 | 38.90 | 52.94 | 62.93 | a | 64.16 | c | 61.53 | a | 57.22 | a | 46.84 | 31.67 | a | 18.69 | d | 38.15 | |||||||
1995 | 7.55 | a | 5.07 | a | 25.68 | ----- | z | 51.48 | b | 67.50 | c | 65.23 | c | 66.56 | f | 53.50 | c | 41.14 | b | 15.70 | h | 2.14 | q | 39.64 | d | |
1996 | -4.88 | f | 4.59 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.59 | k |
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 | 67.78 | h | 67.52 | i | 55.92 | l | 43.02 | k | 37.63 | k | 21.57 | k | ----- | z |
2002 | 12.68 | i | 20.03 | i | 13.44 | m | 39.55 | s | 46.71 | l | 63.55 | k | 69.87 | l | 64.56 | n | ----- | z | 30.50 | r | 23.35 | m | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.58 | r | 44.70 | i | 22.48 | j | 13.28 | k | ----- | z |
2004 | -0.28 | m | 10.97 | j | 26.48 | h | ----- | z | 47.24 | n | ----- | z | 65.78 | m | 57.66 | i | 57.79 | k | 45.65 | n | 33.16 | k | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 6.42 | 6.25 | 24.06 | 38.05 | 52.29 | 62.16 | 64.98 | 63.31 | 53.34 | 41.33 | 24.28 | 14.03 | 36.96 | |||||||||||||
S.D. | 8.03 | 5.90 | 3.48 | 1.23 | 1.92 | 4.20 | 4.04 | 3.20 | 2.56 | 3.26 | 4.36 | 4.37 | 1.68 | |||||||||||||
SKEW | -0.30 | 0.86 | -1.13 | -1.32 | 0.38 | 0.27 | -0.28 | 0.53 | -0.28 | 0.80 | 0.76 | 0.38 | 0.00 | |||||||||||||
MAX | 17.00 | 17.95 | 27.82 | 38.90 | 55.32 | 67.50 | 70.06 | 67.58 | 57.22 | 46.84 | 31.67 | 19.96 | 38.15 | |||||||||||||
MIN | -6.74 | -0.94 | 17.07 | 35.90 | 49.90 | 57.82 | 58.37 | 60.31 | 48.85 | 38.22 | 20.27 | 8.95 | 35.78 | |||||||||||||
YRS | 7 | 8 | 7 | 5 | 6 | 6 | 7 | 4 | 7 | 7 | 6 | 6 | 2 |