YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.97 | 58.02 | 52.83 | 42.97 | 29.32 | 25.68 | 44.63 | f | ||||||
1966 | 8.00 | 28.95 | 30.60 | 41.45 | 45.58 | 56.47 | 59.48 | 56.56 | 51.25 | 39.08 | 26.12 | 23.47 | 38.92 | |||||||||||||
1967 | 20.84 | 28.05 | 26.57 | a | 40.10 | 49.16 | 58.03 | 58.12 | c | 58.06 | 52.22 | 43.50 | 33.35 | 27.00 | 41.25 | |||||||||||
1968 | 18.89 | 28.83 | 36.13 | 40.22 | 51.92 | 56.88 | 61.31 | 58.34 | 50.32 | 40.50 | 34.43 | 17.17 | a | 41.24 | ||||||||||||
1969 | 5.03 | 23.29 | 34.16 | 42.45 | 51.26 | 58.83 | 57.52 | 54.22 | a | 53.15 | 46.42 | 32.58 | 33.16 | 41.01 | ||||||||||||
1970 | 22.63 | 37.61 | 38.73 | 42.25 | 48.85 | 55.12 | 56.13 | 54.79 | 48.85 | 40.85 | a | 30.65 | 21.15 | 41.47 | ||||||||||||
1971 | 10.40 | a | 30.50 | b | 28.95 | 39.60 | 45.40 | 56.45 | 59.03 | 56.98 | 49.58 | 40.18 | 30.32 | 18.87 | a | 38.86 | ||||||||||
1972 | 12.50 | 18.19 | 27.31 | 36.50 | 47.18 | 53.70 | 61.21 | 57.08 | 49.43 | a | ----- | z | ----- | z | ----- | z | 40.34 | 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 | 49.72 | e | 45.16 | 36.74 | a | 23.81 | m | 43.87 | i | |
1982 | 8.76 | 21.50 | a | 32.76 | 39.47 | 47.61 | 57.92 | 60.57 | a | 57.82 | a | 52.47 | 41.87 | a | 29.28 | 30.55 | 40.05 | |||||||||
1983 | 23.89 | 32.08 | b | 35.68 | 42.97 | 51.40 | 57.73 | 58.90 | 55.32 | 47.42 | 40.84 | 30.05 | 20.25 | a | 41.38 | |||||||||||
1984 | 28.12 | a | 33.93 | 40.23 | 42.85 | 49.69 | 54.20 | 55.77 | c | 54.76 | 50.98 | 40.92 | 30.33 | 21.17 | a | 41.91 | ||||||||||
1985 | 35.92 | a | 23.93 | 35.24 | 39.93 | 49.71 | 54.40 | 59.06 | 57.90 | 51.71 | b | 40.39 | 20.83 | 31.98 | 41.75 | |||||||||||
1986 | 32.76 | 28.75 | 34.58 | 37.31 | a | 49.18 | 56.41 | g | 59.39 | 55.42 | 51.24 | a | 46.24 | 29.10 | 35.02 | 41.73 | a | |||||||||
1987 | 30.97 | a | 32.16 | ----- | z | ----- | z | 49.26 | 52.50 | 59.00 | a | 57.42 | 48.83 | i | 43.52 | 36.33 | 33.69 | g | 45.14 | d | ||||||
1988 | 25.74 | h | 27.75 | a | 37.06 | 42.12 | 48.87 | a | 55.18 | 53.26 | 54.37 | e | 49.33 | 43.50 | 34.28 | 30.85 | 43.33 | a | ||||||||
1989 | 20.21 | 24.57 | 29.29 | 44.75 | 51.23 | 56.34 | a | 60.92 | a | 58.88 | e | ----- | z | 40.73 | 27.77 | h | 34.60 | b | 42.15 | b | ||||||
1990 | 23.28 | b | 19.39 | 36.50 | 45.04 | c | 52.11 | 57.61 | k | 61.22 | a | 59.34 | c | 53.42 | l | 39.28 | f | 20.53 | a | 20.11 | 37.50 | c | ||||
1991 | 22.39 | 35.02 | b | 33.16 | 42.32 | 49.81 | 56.28 | 58.34 | 56.06 | 51.05 | 40.53 | 33.41 | a | 29.95 | 42.36 | |||||||||||
1992 | 33.39 | 28.84 | 36.06 | ----- | z | 48.03 | 56.39 | b | 58.26 | 55.73 | 46.22 | c | 40.00 | 36.23 | 22.75 | a | 41.99 | a | ||||||||
1993 | 21.71 | 28.77 | 35.79 | b | 44.58 | k | 54.62 | c | 58.90 | 62.24 | b | 58.65 | 52.83 | 45.23 | a | 35.35 | 34.11 | c | 44.38 | a | ||||||
1994 | 22.69 | 14.20 | 36.42 | 44.24 | c | 52.81 | j | 57.82 | 60.61 | 61.42 | 50.83 | 43.42 | 26.07 | 25.00 | 40.25 | a | ||||||||||
1995 | 27.89 | h | 26.71 | 31.31 | m | 42.68 | e | 54.20 | c | 56.64 | b | 60.03 | 57.77 | 55.48 | 44.21 | b | 27.18 | h | 22.63 | 46.71 | c | |||||
1996 | 10.02 | a | 27.74 | 33.24 | 41.30 | e | 50.38 | w | 57.13 | 61.31 | 57.29 | j | ----- | z | ----- | z | 29.17 | 24.06 | 35.50 | d | ||||||
1997 | 21.50 | 34.09 | 29.30 | c | ----- | z | ----- | z | 58.30 | 58.55 | 58.77 | 52.78 | 41.58 | 37.50 | 35.82 | 42.82 | b | |||||||||
1998 | 21.18 | 36.77 | 35.84 | 43.15 | 51.24 | 57.68 | 59.29 | 56.36 | c | 50.12 | 43.58 | 32.87 | 25.90 | 42.83 | ||||||||||||
1999 | 20.37 | 25.88 | 32.31 | 40.08 | 46.79 | 55.53 | 58.73 | 56.77 | 49.92 | 43.32 | 34.92 | 34.26 | 41.57 | |||||||||||||
2000 | 22.85 | 34.16 | 35.37 | 40.83 | 48.66 | 53.73 | 55.00 | 55.50 | 49.50 | 42.13 | 37.62 | 30.24 | 42.13 | |||||||||||||
2001 | 36.48 | 28.96 | 33.16 | 41.22 | 46.89 | 54.47 | 55.52 | 56.40 | 50.43 | 41.74 | 33.37 | 27.00 | 42.14 | |||||||||||||
2002 | 29.74 | 30.11 | 29.53 | 36.95 | 48.56 | 54.98 | 56.10 | 56.15 | 51.25 | 45.05 | 40.92 | 31.90 | 42.60 | |||||||||||||
2003 | 30.76 | 32.20 | 31.18 | 43.23 | 48.40 | 55.27 | 59.40 | 56.81 | 50.80 | 45.05 | 30.02 | 30.55 | 42.80 | |||||||||||||
2004 | 21.76 | 36.83 | 35.48 | 42.28 | 52.48 | 58.28 | 59.11 | 59.13 | 49.85 | 42.24 | 37.62 | 31.69 | 43.90 | |||||||||||||
2005 | 22.73 | 28.64 | 37.55 | 45.05 | 52.94 | 56.12 | 57.29 | 57.18 | 51.28 | 42.89 | 34.65 | 33.40 | 43.31 | |||||||||||||
2006 | 26.95 | 28.27 | 27.76 | 40.43 | 48.31 | 54.65 | 56.61 | 55.05 | 50.70 | 43.40 | 18.67 | 32.71 | 40.29 | |||||||||||||
2007 | 30.11 | 22.41 | 26.44 | 39.78 | 47.44 | 54.62 | 55.74 | 56.69 | 50.43 | 42.37 | 36.62 | 24.56 | 40.60 | |||||||||||||
2008 | 22.58 | 25.04 | b | 34.55 | 40.00 | 48.19 | 51.98 | 53.97 | 53.76 | 50.15 | 41.60 | 35.38 | 21.89 | 39.92 | ||||||||||||
2009 | 20.56 | 24.98 | 29.39 | 39.82 | 49.42 | 55.42 | 60.50 | 55.89 | 50.60 | 43.98 | 34.57 | 28.18 | 41.11 | |||||||||||||
2010 | 28.37 | 35.07 | 36.32 | 42.40 | 50.89 | 54.58 | 55.60 | 56.60 | 51.40 | 44.15 | 34.88 | 22.05 | 42.69 | |||||||||||||
2011 | 26.98 | 24.61 | 28.69 | 40.35 | 48.81 | 55.43 | 57.89 | 53.90 | 49.95 | 43.81 | 26.97 | 35.02 | 41.03 | |||||||||||||
2012 | 23.89 | 34.38 | 34.27 | 43.20 | 46.13 | 53.22 | 55.45 | 54.92 | 50.42 | 38.81 | 27.50 | 19.39 | 40.13 | |||||||||||||
2013 | 28.95 | 35.71 | 29.82 | 36.37 | 49.31 | 58.28 | 58.29 | 58.55 | 54.10 | 46.56 | 30.10 | 23.66 | 42.48 | |||||||||||||
2014 | 36.69 | 23.86 | 32.82 | 41.90 | 52.94 | 54.27 | 56.97 | 57.40 | 52.73 | 44.76 | 35.58 | 33.40 | 43.61 | |||||||||||||
2015 | 32.13 | 28.66 | 38.08 | 43.05 | 55.06 | 59.47 | 59.18 | 57.35 | 51.43 | 46.24 | 34.75 | 32.05 | 44.79 | |||||||||||||
2016 | 36.00 | 36.84 | 42.58 | 46.93 | 54.92 | 60.20 | 61.55 | 60.52 | 54.20 | 44.97 | 39.08 | 27.47 | 47.11 | |||||||||||||
2017 | 31.40 | 32.05 | 28.66 | 45.90 | 52.45 | 56.63 | 58.34 | 60.72 | f | 51.57 | 43.89 | 27.35 | 34.20 | f | 42.82 | b | ||||||||||
2018 | 25.08 | e | 21.89 | 32.31 | 42.30 | 50.58 | 56.07 | 60.82 | 58.06 | 52.65 | 45.68 | 36.73 | 32.55 | 42.89 | ||||||||||||
2019 | 30.47 | 27.93 | 39.18 | 42.98 | 53.39 | d | 58.02 | 61.31 | 59.47 | 53.10 | 42.10 | 38.50 | 34.98 | b | 45.12 | |||||||||||
2020 | 21.39 | 31.73 | c | 31.76 | 41.12 | 52.85 | 55.12 | 59.21 | 56.22 | a | 53.02 | 42.15 | 29.96 | d | 34.06 | 42.38 | ||||||||||
2021 | 31.61 | 22.86 | 32.60 | b | 40.28 | 48.48 | 55.28 | 58.85 | 57.32 | 51.52 | 42.13 | 33.50 | 21.65 | 41.34 | ||||||||||||
2022 | 26.42 | 32.88 | 36.66 | 40.45 | 49.17 | a | 57.93 | 58.44 | 57.90 | 52.52 | 47.53 | 32.25 | 23.39 | 42.96 | ||||||||||||
2023 | 35.21 | 29.71 | 31.34 | 41.28 | 49.69 | 55.78 | 59.81 | 58.66 | 51.50 | 43.18 | ----- | z | 36.15 | 44.76 | a | |||||||||||
2024 | 25.42 | 30.12 | 35.76 | 39.46 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.43 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.58 | 28.75 | 33.48 | 41.53 | 49.98 | 56.13 | 58.56 | 57.01 | 51.17 | 43.02 | 32.26 | 27.95 | 42.00 | |||||||||||||
S.D. | 7.76 | 5.22 | 3.76 | 2.31 | 2.48 | 1.85 | 2.11 | 1.71 | 1.70 | 2.08 | 4.85 | 5.56 | 1.69 | |||||||||||||
SKEW | -0.61 | -0.42 | 0.01 | -0.14 | 0.31 | 0.01 | -0.51 | 0.16 | -0.17 | 0.06 | -0.84 | -0.19 | 0.66 | |||||||||||||
MAX | 36.69 | 37.61 | 42.58 | 46.93 | 55.06 | 60.20 | 62.24 | 61.42 | 55.48 | 47.53 | 40.92 | 36.15 | 47.11 | |||||||||||||
MIN | 5.03 | 14.20 | 26.44 | 36.37 | 45.40 | 51.98 | 53.26 | 53.76 | 46.22 | 38.81 | 18.67 | 17.17 | 38.86 | |||||||||||||
YRS | 48 | 50 | 48 | 45 | 46 | 47 | 50 | 48 | 47 | 48 | 47 | 47 | 35 |