YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 49.72 | m | 62.98 | 69.25 | c | 68.87 | 61.33 | a | 50.85 | 41.02 | 28.20 | k | 59.05 | f | ||||
1963 | 17.92 | 33.76 | a | 34.92 | 42.98 | a | 57.70 | a | 62.27 | 71.90 | e | 66.79 | 62.72 | 54.58 | 39.40 | 26.73 | 47.64 | |||||||||
1964 | 22.52 | e | 24.70 | b | 29.27 | a | 41.12 | 53.48 | 60.85 | d | 71.26 | b | 66.07 | c | 59.27 | 52.66 | c | 32.78 | 24.05 | a | 44.84 | |||||
1965 | 26.52 | a | 25.66 | 29.95 | b | 42.30 | 50.08 | 58.88 | 69.23 | 66.35 | 55.70 | 52.17 | d | 41.52 | 29.21 | 45.63 | ||||||||||
1966 | 22.02 | a | 21.79 | 37.18 | 45.17 | a | 56.62 | a | 63.67 | c | 71.23 | 67.97 | 60.78 | 49.10 | 41.07 | 27.55 | a | 47.01 | ||||||||
1967 | 24.03 | 30.05 | 41.69 | b | 42.26 | a | 51.16 | 59.25 | 69.92 | 66.52 | 60.05 | 50.81 | 39.88 | 20.10 | a | 46.31 | ||||||||||
1968 | 22.76 | 31.71 | 36.37 | 38.89 | b | 51.42 | 63.37 | 67.66 | c | 61.42 | a | 59.07 | h | 50.40 | 35.35 | 23.81 | 43.92 | a | ||||||||
1969 | 28.26 | 26.95 | 28.76 | 45.33 | 56.07 | a | 59.63 | 70.50 | 70.59 | c | 62.77 | d | 43.94 | e | 36.59 | c | 32.50 | a | 46.82 | |||||||
1970 | 30.05 | b | 36.54 | a | 32.20 | a | 36.10 | e | 54.31 | 61.65 | d | 68.39 | 68.50 | 55.76 | a | 42.10 | g | 35.25 | 26.24 | 45.91 | a | |||||
1971 | 24.32 | ----- | z | 36.16 | 46.45 | 50.87 | 64.95 | 71.66 | 67.47 | 56.73 | 46.30 | a | 35.17 | 22.60 | 47.52 | a | ||||||||||
1972 | 25.97 | 34.12 | 42.98 | 46.88 | b | 55.32 | 62.70 | 70.71 | 66.53 | 58.72 | 48.05 | 29.33 | 22.74 | 47.00 | ||||||||||||
1973 | 19.73 | 27.14 | 32.08 | 38.35 | 53.98 | 62.72 | 69.24 | 67.89 | 57.67 | 51.13 | a | 37.86 | a | 28.13 | a | 45.49 | ||||||||||
1974 | 22.31 | 24.84 | 40.16 | 43.17 | 58.31 | 69.12 | 69.56 | 67.55 | 60.92 | 50.32 | a | 37.35 | 25.40 | 47.42 | ||||||||||||
1975 | 23.61 | 27.04 | 33.29 | 40.14 | a | 50.45 | 61.22 | 70.95 | 69.50 | 60.37 | 48.68 | 35.65 | 27.39 | 45.69 | ||||||||||||
1976 | 24.13 | 32.93 | 34.67 | a | 44.71 | a | 55.37 | a | 63.55 | 71.19 | 67.45 | 60.86 | a | 48.40 | 38.77 | 31.02 | 47.75 | |||||||||
1977 | 23.05 | 32.35 | a | 35.37 | 49.96 | b | 53.58 | 68.60 | 70.84 | 69.92 | 62.78 | a | 53.05 | 39.12 | 33.52 | 49.34 | ||||||||||
1978 | 27.00 | 28.80 | 39.90 | a | 47.05 | b | 52.77 | a | 65.62 | 72.39 | 69.15 | 62.40 | 54.34 | 40.40 | 20.68 | 48.37 | ||||||||||
1979 | 18.68 | 27.04 | 32.89 | 45.00 | 54.15 | 65.08 | 71.71 | 69.22 | a | 66.35 | 54.98 | 30.64 | a | 31.06 | 47.23 | |||||||||||
1980 | 27.68 | 31.79 | 31.27 | 43.10 | a | 51.50 | 66.12 | 73.48 | 69.79 | 61.62 | a | 49.69 | 39.81 | a | 37.56 | 48.62 | ||||||||||
1981 | 34.67 | a | 33.89 | 36.19 | 49.72 | 53.06 | 67.57 | 71.60 | 68.82 | 62.87 | 47.87 | 40.87 | 31.23 | 49.86 | ||||||||||||
1982 | 24.38 | a | 28.00 | a | 37.50 | a | 43.74 | a | 53.75 | a | 62.93 | a | 69.11 | 69.23 | 60.86 | a | 46.35 | a | 35.02 | b | 25.50 | a | 46.36 | |||
1983 | 27.50 | a | 30.80 | c | 34.27 | a | 38.23 | 50.77 | a | 61.29 | a | 69.06 | 69.87 | 63.84 | a | 50.97 | 35.42 | e | 26.74 | b | 46.56 | |||||
1984 | 23.48 | 28.14 | a | 35.95 | c | 41.50 | 58.29 | 63.23 | 70.37 | 68.84 | 63.09 | a | 44.13 | d | 36.67 | 30.37 | a | 47.00 | ||||||||
1985 | 26.10 | a | 27.46 | b | 37.26 | b | 48.09 | b | 54.72 | a | 66.12 | 71.47 | 70.52 | 56.36 | a | 50.10 | a | 34.81 | c | 29.36 | c | 47.70 | ||||
1986 | 34.68 | a | 35.63 | b | 42.28 | a | 46.00 | a | 55.02 | b | 64.97 | 67.73 | 69.80 | a | 57.63 | c | 48.08 | a | 37.03 | 31.87 | 49.23 | |||||
1987 | 26.94 | 31.91 | a | 34.65 | a | 48.64 | a | 54.63 | a | 66.38 | 68.76 | 66.55 | 61.39 | c | 52.76 | 36.47 | 26.62 | a | 47.97 | |||||||
1988 | 24.02 | a | 30.55 | a | 36.93 | a | 46.62 | 53.67 | a | 66.98 | 70.85 | a | 68.82 | 59.72 | 55.10 | a | 35.80 | 27.72 | b | 48.07 | ||||||
1989 | 24.83 | a | 30.50 | a | 43.55 | 50.18 | 58.42 | a | 65.90 | 72.75 | a | 67.11 | 63.42 | 49.92 | 39.80 | 29.95 | 49.69 | |||||||||
1990 | 27.76 | d | 32.41 | a | 40.32 | 50.23 | 54.87 | 68.95 | 70.66 | 67.95 | 64.22 | 50.45 | 38.43 | 22.13 | 49.03 | |||||||||||
1991 | 23.71 | 33.23 | 35.79 | 44.38 | 54.50 | a | 63.05 | 69.66 | 69.47 | 61.58 | 52.03 | 34.35 | 27.38 | a | 47.43 | |||||||||||
1992 | 24.29 | 33.68 | a | 40.69 | 52.28 | c | 56.05 | 63.14 | a | 67.29 | 68.34 | 62.07 | a | 54.30 | a | 31.88 | a | 25.23 | 48.27 | |||||||
1993 | 30.12 | a | 31.39 | 38.05 | 46.37 | 55.45 | 62.76 | a | 69.90 | 67.42 | 60.92 | 48.65 | a | 34.33 | 28.90 | 47.86 | ||||||||||
1994 | 29.75 | a | 28.83 | b | 42.60 | 46.97 | a | 55.98 | 69.20 | 72.42 | 72.33 | a | 63.21 | a | 49.27 | c | 33.09 | a | 33.95 | 49.80 | ||||||
1995 | 28.21 | 39.46 | 41.02 | 44.38 | 50.08 | 61.12 | b | 69.17 | a | 71.76 | 62.80 | 51.17 | a | 43.09 | a | 33.77 | a | 49.67 | ||||||||
1996 | 30.29 | 36.34 | 40.77 | 47.67 | a | 60.47 | 68.40 | 72.95 | 71.56 | 60.67 | d | 48.45 | a | 39.07 | b | 30.22 | b | 50.57 | ||||||||
1997 | 27.39 | 30.02 | b | 40.79 | 43.60 | 56.87 | 64.62 | a | 70.68 | c | 67.97 | 63.71 | a | 49.60 | 37.10 | 28.47 | a | 48.40 | ||||||||
1998 | 30.61 | 29.12 | 37.20 | a | 43.40 | 55.10 | 63.36 | a | 72.72 | a | 71.95 | 66.35 | 50.83 | d | 39.70 | c | 32.33 | b | 49.39 | |||||||
1999 | 34.11 | 36.59 | a | 45.21 | 42.70 | c | 52.98 | 64.21 | b | 71.62 | a | 68.13 | a | 60.95 | a | 55.23 | a | 45.88 | a | 31.00 | a | 50.72 | ||||
2000 | 32.24 | 38.15 | b | 39.81 | b | 51.45 | a | 60.93 | a | 68.18 | 72.93 | b | 72.30 | a | 63.69 | a | 49.64 | c | 32.87 | c | 29.30 | c | 50.96 | |||
2001 | 27.38 | b | 32.72 | a | 40.84 | b | 48.52 | b | 59.29 | b | 68.50 | 72.62 | a | 68.68 | 65.21 | a | 53.28 | a | 41.38 | 26.93 | a | 50.45 | ||||
2002 | 26.85 | 28.24 | c | 36.71 | e | 52.83 | c | 58.72 | a | 71.12 | 75.83 | a | 70.98 | a | 62.00 | b | 48.93 | b | 38.42 | 27.92 | a | 49.88 | ||||
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 39.46 | 43.82 | a | 44.65 | j | 53.46 | d | 67.80 | b | 68.77 | a | 66.00 | a | 61.35 | c | 50.56 | d | 44.67 | 34.98 | d | 53.09 | b | ||
2018 | 32.53 | 32.90 | b | 38.56 | 49.93 | c | 56.45 | a | 67.73 | d | 70.16 | ----- | z | 62.92 | j | 45.25 | i | 32.10 | a | 23.09 | b | 44.83 | c | |||
2019 | 19.37 | 22.04 | 34.16 | b | 44.62 | 43.47 | 59.36 | a | 64.96 | e | 68.50 | 61.21 | a | 43.15 | a | 39.57 | 30.34 | 44.23 | ||||||||
2020 | 29.03 | 32.62 | a | 41.22 | b | 49.69 | a | 59.98 | 64.65 | 69.13 | a | 66.55 | 56.50 | 49.05 | 37.93 | 25.27 | 48.47 | |||||||||
2021 | 26.00 | 27.71 | 36.39 | 46.62 | a | 54.32 | 66.03 | 70.33 | a | 65.95 | 61.13 | 46.60 | 44.13 | 33.06 | 48.19 | |||||||||||
2022 | 32.45 | 31.93 | 41.19 | 48.88 | 58.56 | 69.05 | 74.06 | 71.56 | 67.73 | 50.79 | 34.78 | 30.32 | 50.94 | |||||||||||||
2023 | 26.39 | 27.73 | 32.39 | 45.60 | 57.55 | 63.28 | 74.37 | 70.97 | 63.15 | 53.77 | 41.45 | 34.60 | 49.27 | |||||||||||||
2024 | 32.16 | 35.55 | 41.11 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.28 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.55 | 30.94 | 37.42 | 45.47 | 54.78 | 64.63 | 70.69 | 68.63 | 61.40 | 50.23 | 37.56 | 28.49 | 48.12 | |||||||||||||
S.D. | 4.13 | 4.15 | 4.07 | 3.85 | 3.28 | 3.04 | 2.01 | 2.09 | 2.73 | 2.91 | 3.67 | 3.97 | 1.69 | |||||||||||||
SKEW | 0.08 | -0.02 | -0.22 | -0.27 | -0.64 | 0.07 | -0.07 | -0.55 | -0.22 | -0.32 | 0.02 | -0.06 | -0.23 | |||||||||||||
MAX | 34.68 | 39.46 | 45.21 | 52.83 | 60.93 | 71.12 | 75.83 | 72.33 | 67.73 | 55.23 | 45.88 | 37.56 | 50.96 | |||||||||||||
MIN | 17.92 | 21.79 | 28.76 | 36.10 | 43.47 | 58.88 | 64.96 | 61.42 | 55.70 | 43.15 | 29.33 | 20.10 | 44.23 | |||||||||||||
YRS | 47 | 47 | 48 | 46 | 47 | 48 | 48 | 47 | 46 | 46 | 48 | 47 | 42 |