YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.70 | 34.81 | 24.07 | 10.61 | 28.80 | h | ||||
1990 | 19.39 | 17.32 | 24.74 | 34.57 | 39.45 | 52.00 | 56.06 | 53.77 | 50.23 | 33.48 | 26.00 | 7.13 | 34.51 | |||||||||||||
1991 | 9.90 | 22.50 | 26.32 | 33.33 | 43.74 | 52.07 | 56.35 | 55.65 | 45.57 | 33.90 | 22.70 | 17.23 | 34.94 | |||||||||||||
1992 | 16.61 | 23.48 | 28.71 | 37.40 | 44.74 | 51.67 | 54.84 | 53.19 | 46.40 | 35.71 | 19.10 | 11.48 | 35.28 | |||||||||||||
1993 | 11.23 | 15.68 | 26.52 | 33.07 | 43.45 | 48.23 | 53.19 | 52.55 | 41.73 | 32.58 | 17.80 | 18.45 | 32.87 | |||||||||||||
1994 | 16.94 | 14.75 | 26.84 | 33.33 | 45.13 | 54.17 | 55.71 | 56.00 | 46.93 | 36.10 | 22.90 | a | 18.35 | 35.60 | ||||||||||||
1995 | 17.16 | 21.29 | 26.48 | 31.93 | 40.48 | 49.60 | 54.94 | 57.29 | 47.60 | 34.42 | 26.60 | 19.45 | 35.60 | |||||||||||||
1996 | 11.03 | 18.38 | 22.77 | 34.33 | 45.13 | 52.27 | 57.81 | 54.06 | 45.73 | 36.58 | 22.83 | 19.06 | 35.00 | |||||||||||||
1997 | 13.32 | 20.54 | 25.58 | 29.70 | 43.10 | 53.30 | 56.84 | 56.16 | 50.50 | 35.10 | 22.67 | 19.35 | 35.51 | |||||||||||||
1998 | 19.45 | 23.54 | 24.45 | 33.57 | 44.45 | 47.83 | 59.10 | 56.87 | 51.73 | 38.39 | 30.60 | ----- | z | 39.09 | a | |||||||||||
1999 | 21.55 | 24.29 | 28.26 | ----- | z | 42.26 | 50.40 | 59.19 | 56.84 | 44.73 | 33.87 | 27.77 | 22.00 | 37.38 | a | |||||||||||
2000 | 19.42 | 24.68 | a | 28.29 | 35.57 | 45.03 | 50.77 | 59.68 | 58.77 | 47.57 | 37.19 | ----- | z | ----- | z | 40.70 | b | |||||||||
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 | 14.52 | 26.48 | 32.41 | a | 42.91 | i | 47.13 | 53.45 | 50.81 | 43.10 | 34.68 | 22.27 | 15.74 | 34.06 | b | |||||||||
2005 | 16.58 | 19.68 | 22.65 | 30.30 | 39.50 | a | 49.27 | 54.71 | 52.61 | 44.33 | 33.90 | 23.70 | 12.35 | 33.30 | ||||||||||||
2006 | 18.55 | 12.75 | 22.10 | 32.20 | 41.16 | 51.73 | 56.61 | 54.90 | 39.90 | 32.77 | 22.23 | 12.32 | 33.10 | |||||||||||||
2007 | 3.65 | 14.61 | 28.35 | 30.97 | 40.23 | 47.70 | 57.74 | 56.10 | 46.10 | 34.03 | 22.33 | 8.81 | 32.55 | |||||||||||||
2008 | 11.35 | 16.72 | 21.71 | 26.87 | 38.23 | 46.97 | 53.29 | 52.32 | 43.17 | 32.06 | 24.03 | 8.94 | 31.31 | |||||||||||||
2009 | 15.06 | 18.36 | 21.71 | 29.70 | 42.84 | 48.87 | 53.16 | 50.13 | 44.47 | 27.32 | 22.60 | 7.68 | 31.82 | |||||||||||||
2010 | 11.03 | 12.93 | 23.00 | 31.97 | 37.19 | 50.43 | 54.90 | 53.58 | 43.07 | 35.10 | 21.63 | 17.39 | 32.69 | |||||||||||||
2011 | 11.13 | 10.07 | 25.23 | 31.00 | 38.10 | 48.43 | 57.19 | 55.61 | 44.57 | 33.23 | 20.93 | 8.68 | 32.01 | |||||||||||||
2012 | 17.00 | 13.69 | 26.58 | 34.47 | 40.00 | 52.37 | 58.35 | 52.06 | 45.33 | 31.13 | 22.50 | 14.00 | 33.96 | |||||||||||||
2013 | 9.35 | 10.93 | 19.45 | 25.43 | 39.68 | 49.30 | 56.16 | 53.65 | 49.90 | 32.42 | 22.67 | 11.45 | 31.70 | |||||||||||||
2014 | 12.10 | 11.39 | 22.48 | 31.00 | 41.10 | 48.07 | 55.45 | 52.10 | 45.50 | 34.94 | 17.55 | a | 15.58 | 32.27 | ||||||||||||
2015 | 15.94 | 17.96 | 24.48 | 32.87 | 40.26 | 53.17 | 54.71 | 52.39 | 47.07 | 39.81 | 22.53 | 13.16 | 34.53 | |||||||||||||
2016 | 12.45 | 19.00 | 24.74 | 32.87 | 38.35 | 51.87 | 55.61 | 51.58 | 44.93 | 35.74 | 25.63 | 9.35 | 33.51 | |||||||||||||
2017 | 13.13 | 24.25 | 27.77 | 31.73 | 38.29 | 49.97 | 56.19 | 52.19 | 46.20 | 30.03 | 26.77 | 14.32 | 34.24 | |||||||||||||
2018 | 14.42 | 12.32 | 23.87 | 29.07 | 43.84 | 51.43 | 56.32 | 52.23 | 46.07 | 32.58 | 21.00 | 13.32 | 33.04 | |||||||||||||
2019 | 13.77 | 11.64 | 18.71 | 32.47 | 36.03 | 46.87 | 55.74 | 54.77 | 47.40 | 26.39 | 18.63 | 16.68 | 31.59 | |||||||||||||
2020 | 17.39 | 11.00 | 26.10 | 27.03 | 42.06 | 51.10 | 55.58 | 54.13 | 42.30 | 27.77 | 22.87 | 14.16 | 32.62 | |||||||||||||
2021 | 15.55 | 10.75 | 21.90 | 27.33 | 41.10 | 51.17 | 56.32 | 53.13 | 45.83 | 33.65 | 25.50 | 19.00 | 33.44 | |||||||||||||
2022 | 10.90 | 8.07 | 21.84 | 28.30 | 40.29 | 50.30 | 57.23 | 56.26 | 47.27 | 32.65 | 16.73 | 12.16 | 31.83 | |||||||||||||
2023 | 13.42 | 11.00 | 19.10 | 28.37 | 43.48 | 50.67 | 55.03 | 54.81 | 47.07 | 33.42 | 22.33 | 20.74 | 33.29 | |||||||||||||
2024 | 10.48 | 20.41 | 24.17 | a | 32.60 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.92 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.17 | 16.52 | 24.42 | 31.48 | 41.29 | 50.29 | 56.05 | 54.08 | 45.88 | 33.62 | 22.82 | 14.30 | 33.41 | |||||||||||||
S.D. | 3.83 | 4.93 | 2.77 | 2.76 | 2.57 | 1.99 | 1.71 | 2.09 | 2.56 | 2.90 | 3.03 | 4.21 | 1.35 | |||||||||||||
SKEW | -0.32 | 0.17 | -0.32 | -0.28 | -0.10 | -0.10 | 0.25 | 0.23 | 0.13 | -0.58 | 0.18 | 0.01 | 0.22 | |||||||||||||
MAX | 21.55 | 24.68 | 28.71 | 37.40 | 45.13 | 54.17 | 59.68 | 58.77 | 51.73 | 39.81 | 30.60 | 22.00 | 35.60 | |||||||||||||
MIN | 3.65 | 8.07 | 18.71 | 25.43 | 36.03 | 46.87 | 53.16 | 50.13 | 39.90 | 26.39 | 16.73 | 7.13 | 31.31 | |||||||||||||
YRS | 31 | 32 | 32 | 31 | 30 | 31 | 31 | 31 | 32 | 32 | 31 | 30 | 27 |