YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 25.68 | 25.68 | k | |
1972 | 17.87 | 20.59 | 31.68 | 45.40 | 71.13 | 71.63 | 72.32 | 72.03 | 61.57 | 47.03 | 33.70 | 18.87 | 46.99 | |||||||||||||
1973 | 23.55 | 24.64 | 41.32 | 47.40 | 56.13 | 71.67 | 74.26 | 72.39 | 62.43 | 58.94 | 35.83 | 22.74 | 49.27 | |||||||||||||
1974 | 18.10 | 21.61 | 33.03 | 49.27 | 58.90 | 67.17 | 76.55 | 70.32 | 57.67 | 51.58 | 38.73 | 28.55 | 47.62 | |||||||||||||
1975 | 22.23 | 24.36 | 30.74 | 42.93 | 69.29 | 69.57 | 76.32 | 73.65 | 59.43 | 56.87 | 43.37 | 24.16 | 49.41 | |||||||||||||
1976 | 17.55 | 30.69 | 34.06 | 53.33 | 63.00 | a | 75.93 | 77.77 | 74.90 | 65.00 | a | 48.58 | 30.00 | 15.39 | 48.85 | |||||||||||
1977 | 9.90 | 24.67 | a | 40.58 | 56.57 | 74.29 | 68.90 | 77.87 | 68.19 | 61.30 | 53.45 | 37.23 | 23.81 | d | 49.73 | |||||||||||
1978 | 16.97 | 20.04 | 34.19 | 46.30 | 66.90 | 69.43 | 70.65 | 72.80 | a | 66.63 | 50.68 | 37.13 | 20.19 | 47.66 | ||||||||||||
1979 | 10.10 | 16.46 | 32.90 | 45.77 | 57.26 | 70.50 | 75.74 | 69.67 | a | 64.73 | 47.97 | 35.50 | 28.58 | 46.26 | ||||||||||||
1980 | 19.39 | 20.83 | 30.65 | 50.83 | 69.23 | 68.47 | 75.55 | 71.97 | 61.33 | 46.97 | 37.90 | 21.35 | 47.87 | |||||||||||||
1981 | 22.19 | 25.96 | 36.71 | 53.23 | 62.65 | 69.53 | 73.90 | 72.90 | 62.14 | a | 47.94 | 43.03 | 24.58 | 49.56 | ||||||||||||
1982 | 11.97 | 22.79 | 32.48 | 44.20 | 69.19 | 64.83 | 74.94 | 69.60 | a | 59.73 | 53.90 | 35.18 | b | 28.71 | 47.29 | |||||||||||
1983 | 23.97 | 29.75 | 34.10 | 44.67 | 58.03 | 72.60 | 79.29 | 76.77 | 64.87 | 51.68 | 37.52 | a | 14.37 | a | 48.97 | |||||||||||
1984 | 18.06 | 31.86 | 29.23 | 53.03 | 59.94 | 72.93 | 74.32 | 74.27 | a | 61.67 | 55.63 | a | 37.40 | 24.68 | 49.42 | |||||||||||
1985 | 17.90 | 20.46 | 39.87 | 53.87 | 66.06 | 67.63 | 73.32 | 69.61 | 63.10 | 53.23 | a | 31.90 | 14.52 | 47.62 | ||||||||||||
1986 | 22.10 | 22.93 | 37.06 | 56.40 | 67.39 | 69.90 | 75.26 | 68.87 | 62.33 | 51.68 | 33.23 | 27.35 | 49.54 | |||||||||||||
1987 | 25.00 | 34.29 | 42.48 | 61.00 | 70.29 | 78.17 | 80.71 | 75.06 | 69.67 | 48.29 | 43.64 | b | 30.23 | 54.90 | ||||||||||||
1988 | 20.35 | 23.62 | 37.00 | 54.52 | a | 74.35 | 81.00 | 83.61 | 78.52 | 66.50 | 47.93 | a | 38.00 | 26.97 | 52.70 | |||||||||||
1989 | 29.65 | 20.54 | 34.81 | 50.37 | 65.87 | 73.17 | 81.87 | 77.70 | a | 69.17 | 58.74 | 34.20 | 17.00 | 51.09 | ||||||||||||
1990 | 33.06 | 31.75 | 44.16 | 57.43 | 63.26 | 74.63 | 75.94 | 75.48 | 69.13 | 54.29 | 44.53 | 26.90 | a | 54.21 | ||||||||||||
1991 | 19.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 19.68 | k | |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.15 | q | 68.06 | 69.19 | 62.28 | a | 51.10 | 32.50 | 26.45 | 51.60 | f | |||||
1993 | 20.58 | 23.54 | 37.81 | 44.86 | a | 61.68 | 67.20 | 72.97 | 73.55 | 58.00 | 48.83 | a | 32.90 | a | 24.16 | 47.17 | ||||||||||
1994 | 9.65 | 18.46 | 36.35 | 49.37 | 65.52 | 73.47 | 72.32 | 69.74 | 67.47 | 55.58 | 41.90 | 30.35 | 49.18 | |||||||||||||
1995 | 20.74 | 22.82 | 38.23 | 42.73 | 61.74 | 77.60 | 75.13 | 75.77 | a | 64.00 | 53.16 | 28.23 | 20.74 | 48.41 | ||||||||||||
1996 | 18.81 | 21.66 | 29.23 | a | 45.10 | 59.42 | 72.27 | 70.65 | 73.52 | 63.70 | 53.53 | a | 30.17 | 23.10 | 46.76 | |||||||||||
1997 | 17.03 | 26.18 | 32.58 | 47.90 | 55.45 | 74.07 | 72.97 | 69.06 | 65.50 | 53.42 | 32.00 | 30.16 | 48.03 | |||||||||||||
1998 | 23.06 | 36.39 | 35.26 | 56.00 | 71.74 | 68.70 | 76.29 | 76.65 | 72.17 | a | 54.97 | 39.72 | a | 30.10 | a | 53.42 | ||||||||||
1999 | 17.68 | 31.00 | 37.74 | 53.57 | 66.00 | c | 71.57 | 77.77 | 71.71 | c | 64.52 | a | 50.52 | 45.00 | 25.55 | 51.05 | ||||||||||
2000 | 20.71 | 30.55 | 42.81 | 48.23 | 65.52 | 69.23 | 72.39 | 73.48 | 65.40 | 55.72 | b | 35.70 | 14.94 | 49.56 | ||||||||||||
2001 | 25.65 | 20.57 | 33.90 | 51.93 | 65.03 | 71.97 | 75.94 | 77.52 | f | 65.08 | d | 52.90 | 47.57 | 30.41 | b | 49.18 | a | |||||||||
2002 | 27.94 | 32.18 | 29.39 | 46.93 | 57.37 | a | 72.10 | 80.73 | a | 73.19 | 65.90 | a | 45.10 | 32.96 | b | 26.45 | 49.19 | |||||||||
2003 | 17.19 | 19.32 | 35.97 | a | 47.62 | a | 62.81 | 71.07 | 76.06 | 77.32 | 66.13 | 51.52 | 34.67 | 28.71 | 49.03 | |||||||||||
2004 | 14.13 | 26.83 | 36.45 | 50.37 | 59.90 | 69.13 | 73.45 | 67.46 | c | 70.90 | 54.16 | ----- | z | 23.29 | 49.64 | a | ||||||||||
2005 | 17.97 | 30.04 | 34.42 | 56.23 | 59.50 | a | 77.43 | 78.16 | 74.90 | a | 71.37 | 55.43 | c | 37.48 | a | 21.81 | 51.23 | |||||||||
2006 | 29.65 | 22.14 | 37.14 | c | 57.17 | 62.87 | a | 73.53 | 80.04 | c | 74.35 | 61.93 | 48.93 | a | 39.47 | 28.52 | 51.31 | |||||||||
2007 | 23.29 | 17.39 | 39.48 | 49.53 | 67.19 | 74.33 | 76.50 | a | 75.45 | 67.00 | 58.00 | 35.33 | 21.13 | 50.39 | ||||||||||||
2008 | 19.23 | a | 21.78 | b | 32.48 | f | 46.86 | a | 60.58 | 70.83 | 75.28 | f | 74.96 | d | 66.20 | 51.10 | 37.58 | d | 18.29 | c | 46.74 | b | ||||
2009 | 14.00 | b | 25.41 | a | 35.39 | 47.86 | b | 62.77 | a | 69.55 | a | 69.26 | 71.29 | 71.03 | 45.31 | e | 45.56 | c | 20.52 | h | 50.67 | a | ||||
2010 | 21.35 | 26.11 | 45.97 | a | 59.33 | c | 67.60 | a | 68.73 | 77.00 | e | 75.55 | 61.93 | 56.86 | b | 39.59 | c | ----- | z | 54.55 | a | |||||
2011 | 16.50 | w | ----- | 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 | 19.95 | 24.87 | 35.98 | 50.49 | 64.21 | 71.63 | 75.56 | 73.02 | 64.71 | 52.15 | 37.20 | 24.02 | 49.49 | |||||||||||||
S.D. | 5.31 | 5.00 | 4.21 | 4.89 | 4.99 | 3.43 | 3.43 | 2.91 | 3.68 | 3.69 | 4.72 | 4.84 | 2.13 | |||||||||||||
SKEW | 0.18 | 0.50 | 0.42 | 0.31 | 0.20 | 0.65 | 0.12 | -0.13 | 0.21 | -0.06 | 0.34 | -0.53 | 0.86 | |||||||||||||
MAX | 33.06 | 36.39 | 45.97 | 61.00 | 74.35 | 81.00 | 83.61 | 78.52 | 72.17 | 58.94 | 47.57 | 30.41 | 54.90 | |||||||||||||
MIN | 9.65 | 16.46 | 29.23 | 42.73 | 55.45 | 64.83 | 68.06 | 67.46 | 57.67 | 45.10 | 28.23 | 14.37 | 46.26 | |||||||||||||
YRS | 38 | 37 | 36 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 37 | 37 | 32 |