YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.19 | 46.94 | 44.03 | 37.35 | 24.63 | 20.90 | 37.18 | f | ||||||
1966 | 4.19 | 23.14 | 24.81 | 32.00 | 37.26 | 45.63 | 50.52 | 48.97 | 44.97 | 33.81 | 20.87 | 19.29 | 32.12 | |||||||||||||
1967 | 15.97 | 22.96 | 19.90 | a | 29.93 | 39.55 | 47.40 | 49.96 | c | 49.81 | 45.70 | 38.39 | 28.40 | 22.84 | 34.23 | |||||||||||
1968 | 12.71 | 23.00 | 29.16 | 31.93 | 39.81 | 46.23 | 49.97 | 46.87 | 44.13 | 33.68 | 29.43 | 12.80 | a | 33.31 | ||||||||||||
1969 | 0.48 | 16.25 | 28.10 | 32.23 | 39.58 | 46.33 | 51.13 | 45.07 | a | 45.17 | 38.94 | 27.03 | 28.06 | 33.20 | ||||||||||||
1970 | 18.16 | 31.71 | 32.35 | 33.70 | 40.13 | 46.53 | 48.06 | 46.19 | 41.53 | 34.57 | a | 24.87 | 16.35 | 34.51 | ||||||||||||
1971 | 3.63 | a | 25.35 | b | 22.65 | 32.10 | 37.00 | 44.37 | 47.81 | 49.39 | 42.77 | 34.81 | 25.27 | 12.57 | a | 31.47 | ||||||||||
1972 | 6.32 | 12.52 | 21.19 | 28.07 | 36.48 | 44.17 | 48.74 | 49.39 | 41.97 | a | ----- | z | ----- | z | ----- | z | 32.09 | c | ||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.36 | e | 39.68 | 32.41 | a | 19.50 | m | 39.15 | i | |
1982 | 5.13 | 14.82 | 26.94 | 31.30 | 39.55 | 47.83 | 50.80 | a | 49.97 | a | 45.53 | 35.73 | a | 24.57 | 26.35 | 33.21 | ||||||||||
1983 | 18.74 | 27.38 | b | 27.84 | 31.73 | 42.29 | 47.73 | 48.26 | 47.61 | 38.07 | 34.32 | 24.10 | 14.97 | a | 33.59 | |||||||||||
1984 | 22.73 | a | 28.14 | 32.58 | 31.37 | 37.42 | 44.30 | 47.32 | 44.39 | 42.50 | 35.06 | 25.83 | 16.10 | a | 33.98 | |||||||||||
1985 | 31.57 | a | 18.14 | 29.71 | 32.80 | 40.94 | 45.30 | 50.03 | 49.71 | 43.61 | b | 34.94 | 14.63 | 27.16 | 34.88 | |||||||||||
1986 | 28.84 | 23.39 | 28.39 | 29.41 | a | 40.61 | 46.30 | g | 50.74 | 48.19 | 41.41 | a | 41.84 | 24.07 | 31.00 | 35.26 | a | |||||||||
1987 | 25.52 | 27.68 | ----- | z | ----- | z | 41.74 | 44.27 | 48.90 | a | 46.35 | 41.26 | c | 38.42 | 30.73 | 28.20 | f | 38.32 | c | |||||||
1988 | 20.09 | h | 21.43 | a | 30.39 | 33.03 | 39.47 | a | 45.63 | 43.84 | 46.25 | c | 40.83 | 38.10 | 29.17 | 26.00 | 35.83 | a | ||||||||
1989 | 14.39 | 17.50 | 21.58 | 33.10 | 41.97 | 47.24 | a | 51.20 | a | 48.41 | b | ----- | z | 34.29 | 24.00 | g | 29.72 | b | 33.94 | b | ||||||
1990 | 18.68 | 12.96 | 30.65 | 35.41 | c | 42.26 | 48.11 | k | 51.07 | a | 49.86 | b | 46.89 | k | 33.08 | f | 16.07 | a | 13.58 | 30.06 | c | |||||
1991 | 17.45 | 30.58 | b | 26.58 | 34.67 | 40.16 | 46.07 | 51.55 | 49.81 | 46.60 | 34.32 | 29.41 | a | 24.90 | 36.01 | |||||||||||
1992 | 29.13 | 24.48 | 29.68 | ----- | z | 39.10 | 45.45 | a | 51.32 | 48.10 | 40.07 | c | 35.19 | 31.97 | 18.23 | a | 35.70 | a | ||||||||
1993 | 15.29 | 22.21 | 28.63 | a | 33.68 | k | 42.79 | c | 48.77 | 52.79 | b | 49.58 | 45.80 | 40.29 | 29.93 | 29.61 | c | 36.88 | a | |||||||
1994 | 18.10 | 9.43 | 30.13 | 34.30 | c | 43.95 | j | 49.43 | 51.39 | 52.19 | 43.83 | 38.23 | 20.57 | 20.65 | 33.48 | a | ||||||||||
1995 | 23.04 | g | 20.43 | 23.17 | m | 33.24 | e | 43.82 | c | 48.70 | 53.03 | 50.35 | 47.97 | 38.90 | a | 22.95 | h | 19.58 | 39.56 | c | ||||||
1996 | 5.37 | a | 22.10 | 25.74 | 31.73 | d | 36.33 | v | 48.07 | 51.84 | 49.52 | j | ----- | z | ----- | z | 25.47 | 19.84 | 28.77 | d | ||||||
1997 | 15.81 | 30.32 | 24.61 | c | ----- | z | ----- | z | 48.83 | 52.45 | 50.77 | 46.63 | 37.06 | 33.63 | 31.00 | 37.11 | b | |||||||||
1998 | 17.97 | 32.21 | 29.74 | 37.60 | 42.94 | 48.77 | 51.68 | 49.71 | c | 44.77 | 38.74 | 28.67 | 22.10 | 37.07 | ||||||||||||
1999 | 16.00 | 20.93 | 26.65 | 34.10 | 40.23 | 47.53 | 51.55 | 50.06 | 46.03 | 39.74 | 31.30 | 29.94 | 36.17 | |||||||||||||
2000 | 19.29 | 29.90 | 30.77 | 34.87 | 41.48 | 46.93 | 49.35 | 49.29 | 44.40 | 37.58 | 33.83 | 25.87 | 36.96 | |||||||||||||
2001 | 32.52 | 23.93 | 28.45 | 33.90 | 41.06 | 47.43 | 50.39 | 49.97 | 45.27 | 37.48 | 29.47 | 22.45 | 36.86 | |||||||||||||
2002 | 26.16 | 25.57 | 24.61 | 29.33 | 41.32 | 48.73 | 50.45 | 50.77 | 46.33 | 40.65 | 36.70 | 28.16 | 37.40 | |||||||||||||
2003 | 26.87 | 28.50 | 25.19 | 33.80 | 40.68 | 49.23 | 52.97 | 49.87 | 45.50 | 39.74 | 24.33 | 25.87 | 36.88 | |||||||||||||
2004 | 17.10 | 32.07 | 30.58 | 35.47 | 44.03 | 49.80 | 51.94 | 49.84 | 44.43 | 37.32 | 34.33 | 26.84 | 37.81 | |||||||||||||
2005 | 18.29 | 23.57 | 32.39 | 37.00 | 43.97 | 48.57 | 51.77 | 50.81 | 47.23 | 37.81 | 30.67 | 29.16 | 37.60 | |||||||||||||
2006 | 23.35 | 22.46 | 22.19 | 34.67 | 41.61 | 48.13 | 50.35 | 50.84 | 45.40 | 39.03 | 15.87 | 28.48 | 35.20 | |||||||||||||
2007 | 25.77 | 18.79 | 21.65 | 33.47 | 40.97 | 47.67 | 50.16 | 50.26 | 45.90 | 37.71 | 32.87 | 20.87 | 35.51 | |||||||||||||
2008 | 17.94 | 20.97 | 29.23 | 34.10 | 41.00 | 46.63 | 49.19 | 48.52 | 46.07 | 37.48 | 31.50 | 18.26 | 35.07 | |||||||||||||
2009 | 15.71 | 19.86 | 24.77 | 32.53 | 40.90 | 48.30 | 52.03 | 50.58 | 44.73 | 39.90 | 30.57 | 24.42 | 35.36 | |||||||||||||
2010 | 24.61 | 30.57 | 31.48 | 34.87 | 41.77 | 48.47 | 51.10 | 50.90 | 44.53 | 39.97 | 30.60 | 18.94 | 37.32 | |||||||||||||
2011 | 23.19 | 19.00 | 22.90 | 34.00 | 41.52 | 49.80 | 51.74 | 50.06 | 44.07 | 39.61 | 22.43 | 30.71 | 35.75 | |||||||||||||
2012 | 18.90 | 29.86 | 28.71 | 35.07 | 41.74 | 46.70 | 49.90 | 48.74 | 46.80 | 35.06 | 24.53 | 15.71 | 35.14 | |||||||||||||
2013 | 24.48 | 32.36 | 24.61 | 30.87 | 41.77 | 49.27 | 51.68 | 52.23 | 48.97 | 42.39 | 25.50 | 19.68 | 36.98 | |||||||||||||
2014 | 32.00 | 18.21 | 27.29 | 33.50 | 44.26 | 48.60 | 51.16 | 51.32 | 48.10 | 39.48 | 31.87 | 29.42 | 37.93 | |||||||||||||
2015 | 28.13 | 23.75 | 31.55 | 36.93 | 44.77 | 53.03 | 53.68 | 51.16 | 46.60 | 41.03 | 30.60 | 28.48 | 39.14 | |||||||||||||
2016 | 32.48 | 32.76 | 36.77 | 40.97 | 47.19 | 52.97 | 55.61 | 55.26 | 48.73 | 39.58 | 35.50 | 23.94 | 41.81 | |||||||||||||
2017 | 26.48 | 26.43 | 23.71 | 37.43 | 44.77 | 50.97 | 53.10 | 54.04 | f | 46.73 | 38.71 | 23.63 | 29.88 | f | 37.20 | b | ||||||||||
2018 | 21.27 | e | 15.29 | 26.26 | 36.47 | 44.03 | 50.13 | 53.77 | 53.10 | 42.93 | 41.03 | 32.57 | 28.52 | 37.11 | ||||||||||||
2019 | 25.52 | 23.00 | 31.97 | 35.53 | 45.59 | d | 51.27 | 54.29 | 51.39 | 46.70 | 36.58 | 35.03 | 31.70 | a | 39.05 | |||||||||||
2020 | 17.35 | 27.50 | c | 25.58 | 34.57 | 43.42 | 49.40 | 53.03 | 51.60 | a | 46.83 | 37.74 | 26.04 | d | 30.03 | 36.92 | ||||||||||
2021 | 27.77 | 18.32 | 27.23 | a | 32.27 | 43.29 | 47.70 | 52.19 | 52.03 | 46.67 | 37.16 | 28.90 | 16.00 | 35.79 | ||||||||||||
2022 | 21.90 | 28.43 | 32.10 | 33.57 | 39.73 | a | 48.37 | 52.97 | 52.65 | 47.23 | 42.94 | 28.07 | 19.29 | 37.27 | ||||||||||||
2023 | 31.61 | 25.86 | 26.39 | 34.83 | 42.68 | 49.30 | 52.42 | 52.13 | 47.30 | 38.52 | ----- | z | 32.42 | 39.40 | a | |||||||||||
2024 | 21.13 | 25.76 | 28.68 | 34.43 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 25.19 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 20.04 | 23.64 | 27.56 | 33.64 | 41.49 | 47.91 | 51.01 | 49.73 | 44.96 | 37.94 | 27.84 | 23.59 | 35.96 | |||||||||||||
S.D. | 8.06 | 5.69 | 3.62 | 2.41 | 2.27 | 2.04 | 2.01 | 2.11 | 2.32 | 2.36 | 5.10 | 5.74 | 2.12 | |||||||||||||
SKEW | -0.55 | -0.34 | -0.05 | 0.29 | 0.01 | 0.25 | -0.79 | -0.31 | -0.78 | -0.09 | -0.67 | -0.27 | 0.17 | |||||||||||||
MAX | 32.52 | 32.76 | 36.77 | 40.97 | 47.19 | 53.03 | 55.61 | 55.26 | 48.97 | 42.94 | 36.70 | 32.42 | 41.81 | |||||||||||||
MIN | 0.48 | 9.43 | 19.90 | 28.07 | 36.48 | 44.17 | 43.84 | 44.39 | 38.07 | 33.68 | 14.63 | 12.57 | 31.47 | |||||||||||||
YRS | 48 | 50 | 48 | 45 | 46 | 47 | 50 | 48 | 48 | 48 | 47 | 47 | 35 |