YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.92 | s | ----- | z |
1962 | 25.06 | 31.09 | 34.58 | 46.48 | 46.48 | 55.77 | 62.66 | 61.22 | b | 57.68 | 46.60 | 38.64 | a | 33.66 | 44.99 | |||||||||||
1963 | 25.82 | 41.20 | 36.71 | 39.72 | 51.63 | 54.82 | 59.35 | 62.32 | 59.02 | i | 47.39 | d | 38.18 | 31.87 | 44.46 | a | ||||||||||
1964 | 28.76 | 32.07 | 34.52 | 40.17 | 47.56 | 55.83 | ----- | z | 60.97 | 53.63 | 48.87 | 33.93 | 29.61 | 42.36 | a | |||||||||||
1965 | 30.27 | 35.84 | 36.23 | 44.20 | 47.40 | 56.78 | 63.50 | 61.63 | 50.60 | 50.53 | 37.55 | 27.61 | 45.18 | |||||||||||||
1966 | 28.69 | 30.57 | 38.50 | 44.02 | 53.40 | 55.38 | 62.24 | 63.52 | 58.60 | 47.31 | 39.47 | 31.32 | 46.09 | |||||||||||||
1967 | 32.53 | 36.14 | 35.13 | 35.78 | 49.27 | 58.43 | 66.90 | 68.31 | 60.48 | 46.89 | 38.28 | 27.63 | 46.32 | |||||||||||||
1968 | 28.76 | 37.78 | 39.73 | 39.82 | 48.95 | 59.35 | 67.76 | 61.05 | 57.07 | 46.23 | 37.83 | 29.79 | 46.18 | |||||||||||||
1969 | 26.79 | 28.62 | 36.13 | 43.40 | 54.15 | 59.88 | 64.45 | 63.31 | 58.47 | 41.98 | 38.12 | 33.26 | 45.71 | |||||||||||||
1970 | 31.94 | 37.07 | 36.19 | 36.77 | 50.60 | 61.78 | a | 66.94 | 65.10 | 51.48 | 44.37 | 37.53 | 26.11 | 45.49 | ||||||||||||
1971 | 31.15 | 33.14 | 33.94 | 41.60 | 50.73 | 54.93 | 66.08 | 68.79 | 51.92 | 43.69 | 36.98 | 25.44 | 44.87 | |||||||||||||
1972 | 25.69 | 33.69 | 41.63 | 39.93 | 51.23 | 58.98 | 65.32 | 65.08 | 51.78 | 44.84 | 35.67 | 21.85 | 44.64 | |||||||||||||
1973 | 26.98 | 34.68 | 36.26 | 42.52 | 53.16 | 59.23 | 67.32 | a | 63.29 | 56.09 | a | 45.90 | 34.88 | 33.85 | 46.18 | |||||||||||
1974 | 26.44 | 34.04 | 37.05 | 42.07 | 47.61 | 62.92 | 64.11 | 63.74 | 58.53 | 45.94 | 37.97 | 29.74 | 45.85 | |||||||||||||
1975 | 27.32 | 31.32 | 34.13 | 37.40 | 49.40 | 55.57 | 67.61 | 60.53 | 57.73 | 45.97 | 35.10 | 33.06 | 44.60 | |||||||||||||
1976 | 30.61 | 32.64 | 35.24 | 40.80 | 51.56 | 54.17 | 65.52 | a | 59.94 | 58.40 | 47.52 | 41.37 | 30.40 | 45.68 | ||||||||||||
1977 | 23.77 | 36.93 | 35.19 | 46.58 | 44.77 | 62.28 | 63.47 | 66.52 | 54.25 | 47.15 | 35.58 | 32.71 | 45.77 | |||||||||||||
1978 | 33.03 | 35.07 | 42.42 | 41.45 | a | 46.66 | 56.57 | 64.63 | a | 61.84 | 52.97 | 48.77 | 30.92 | 24.21 | 44.88 | |||||||||||
1979 | 17.53 | 32.12 | 39.69 | 42.50 | 51.58 | 57.62 | 65.68 | 63.61 | 59.93 | 50.68 | 33.00 | 32.85 | 45.57 | |||||||||||||
1980 | 28.61 | 37.28 | 37.11 | 45.52 | 50.02 | 54.08 | 65.23 | 59.18 | 57.15 | 47.23 | 37.97 | 34.47 | 46.15 | |||||||||||||
1981 | 33.65 | 32.75 | 38.76 | 44.30 | 49.82 | 56.65 | 62.77 | 66.71 | 56.90 | 45.03 | a | 38.30 | 32.55 | 46.52 | ||||||||||||
1982 | 24.60 | 30.25 | b | 36.55 | 39.18 | 48.47 | 58.10 | 63.10 | 63.39 | 53.05 | 44.87 | 31.22 | a | 27.69 | 43.37 | |||||||||||
1983 | 33.40 | 35.98 | 39.23 | 39.72 | 51.18 | 55.48 | 61.47 | 65.02 | 53.93 | 48.53 | 36.67 | a | 23.47 | 45.34 | ||||||||||||
1984 | 24.98 | 31.21 | a | 39.45 | 40.48 | 49.85 | 54.62 | 66.50 | 64.61 | 53.83 | 41.87 | 35.12 | 23.73 | 43.86 | ||||||||||||
1985 | 22.66 | 28.14 | 34.77 | 46.95 | 51.39 | 59.62 | 69.40 | 61.42 | 49.72 | 45.13 | 24.10 | 21.37 | 42.89 | |||||||||||||
1986 | 33.40 | 36.32 | 43.19 | 42.95 | 52.35 | 63.17 | 60.78 | a | 68.68 | 50.92 | 48.02 | 37.78 | 30.32 | 47.32 | ||||||||||||
1987 | 25.76 | 34.95 | 39.83 | a | 49.60 | 53.69 | 61.35 | 61.73 | 62.53 | 59.35 | 51.13 | 36.58 | 29.55 | 47.17 | ||||||||||||
1988 | 27.60 | 37.50 | 39.66 | 46.69 | a | 50.50 | 59.62 | 66.03 | 64.05 | 56.65 | 54.74 | 35.80 | 28.89 | 47.31 | ||||||||||||
1989 | 26.81 | 22.68 | 39.16 | 47.66 | a | 49.16 | 59.53 | 64.83 | a | 61.50 | 56.52 | 46.23 | 37.25 | 32.06 | 45.28 | |||||||||||
1990 | 33.23 | 30.52 | 39.89 | 49.70 | 49.15 | a | 58.65 | 68.05 | 65.87 | 61.35 | 47.06 | 38.15 | 21.40 | 46.92 | ||||||||||||
1991 | 30.44 | 40.15 | a | 36.80 | a | 41.52 | 47.76 | 53.70 | 66.66 | 67.21 | 60.07 | 46.95 | 39.41 | c | 32.76 | 46.95 | ||||||||||
1992 | 32.11 | 40.03 | 42.53 | 47.38 | 56.71 | 62.98 | 64.40 | 65.82 | 57.67 | 49.73 | a | 34.82 | b | 25.90 | 48.34 | |||||||||||
1993 | 20.13 | a | 23.77 | 39.42 | 44.32 | 54.71 | 55.82 | 57.32 | 61.11 | 57.60 | 49.16 | 29.23 | 31.12 | a | 43.64 | |||||||||||
1994 | 35.47 | 32.72 | a | 41.52 | 47.25 | 54.21 | 58.90 | 69.35 | a | 65.66 | 60.80 | 46.00 | a | 30.12 | a | 29.02 | a | 47.58 | ||||||||
1995 | 33.34 | b | 40.32 | 38.27 | 42.63 | 50.75 | a | 56.41 | a | 64.95 | 62.40 | 59.50 | a | 46.27 | 42.50 | b | 31.73 | 47.42 | ||||||||
1996 | 31.87 | 33.74 | 40.26 | 44.97 | 48.16 | 57.88 | 68.60 | 66.21 | 54.95 | 47.53 | 38.18 | b | 33.08 | 47.12 | ||||||||||||
1997 | 31.52 | a | 33.12 | 41.13 | a | 43.45 | a | 56.05 | 56.78 | 64.67 | a | 66.90 | a | 58.72 | 46.58 | 39.62 | 28.92 | a | 47.29 | |||||||
1998 | 34.19 | 34.84 | 39.27 | 43.38 | a | 48.62 | a | 57.25 | 69.73 | 67.55 | 61.09 | a | 46.06 | 38.33 | 29.48 | 47.48 | ||||||||||
1999 | 33.65 | 31.93 | 36.60 | 41.05 | 48.15 | a | 57.19 | a | 64.27 | 65.18 | a | 56.10 | a | 49.63 | 43.87 | 32.42 | a | 46.67 | ||||||||
2000 | 30.94 | 37.00 | 38.68 | 48.38 | 51.82 | a | 60.59 | a | 66.10 | a | 65.21 | 57.47 | 47.34 | 31.77 | 30.82 | 47.18 | ||||||||||
2001 | 28.92 | 32.05 | 40.90 | 42.23 | 56.39 | 58.02 | a | 65.73 | 68.95 | a | 60.93 | 49.03 | a | 38.98 | 29.57 | a | 47.64 | |||||||||
2002 | 30.06 | 34.12 | 36.73 | a | 45.68 | 49.88 | a | 61.74 | a | 71.53 | 62.66 | 58.25 | 43.47 | 38.00 | b | 33.35 | 47.12 | |||||||||
2003 | 37.52 | 34.41 | 42.21 | 40.36 | a | 52.13 | a | 61.43 | 70.83 | a | 67.32 | 61.07 | 52.81 | b | 33.97 | 32.32 | a | 48.87 | ||||||||
2004 | 29.47 | 31.79 | 43.13 | 46.50 | d | 50.79 | 59.45 | 68.07 | a | 67.82 | a | 55.85 | 47.15 | 37.23 | 34.29 | 47.63 | ||||||||||
2005 | 29.20 | a | 33.66 | 42.08 | 43.72 | a | 52.79 | 55.18 | 68.20 | c | 66.74 | 56.03 | 48.93 | a | 35.03 | 27.32 | a | 46.57 | ||||||||
2006 | 33.29 | 32.82 | 35.76 | 44.62 | 52.92 | 61.08 | 70.32 | 63.69 | b | 56.98 | a | 45.87 | 36.95 | a | 29.95 | 47.02 | ||||||||||
2007 | 28.18 | 35.23 | b | 43.82 | 45.45 | 53.47 | 59.78 | 72.62 | a | 65.52 | 57.28 | 46.53 | 38.65 | 28.50 | a | 47.92 | ||||||||||
2008 | 25.33 | a | 33.66 | 37.78 | a | 40.30 | b | 52.73 | a | 57.72 | ----- | z | 66.97 | a | 58.83 | 48.69 | 41.37 | 26.93 | c | 44.57 | a | |||||
2009 | 32.90 | 34.07 | 38.61 | 43.22 | a | 53.95 | b | 59.12 | 69.68 | 66.42 | 61.98 | 45.23 | 36.97 | a | 26.29 | b | 47.37 | |||||||||
2010 | 36.76 | 36.50 | 40.69 | 42.66 | a | 47.58 | a | 58.10 | a | 66.32 | a | 65.37 | 59.70 | 51.74 | 36.78 | a | 31.55 | c | 47.81 | |||||||
2011 | 31.06 | 32.61 | a | 39.14 | b | 41.00 | a | 48.16 | 56.88 | b | 63.42 | a | 67.23 | 63.36 | a | 49.47 | 36.08 | 31.80 | d | 46.68 | ||||||
2012 | 34.71 | b | 36.46 | a | 40.74 | 46.98 | 52.98 | 61.67 | d | 69.98 | 69.13 | 62.67 | 50.35 | 41.42 | 31.24 | 49.86 | ||||||||||
2013 | 25.35 | 35.21 | ----- | z | 45.83 | ----- | z | ----- | z | ----- | z | 68.40 | 60.22 | 45.69 | 39.17 | a | 26.69 | 43.32 | d | |||||||
2014 | 34.37 | 35.20 | a | 43.03 | 47.17 | a | 55.53 | 61.57 | 74.81 | 68.98 | a | 62.28 | 53.58 | 36.29 | b | 35.32 | 50.68 | |||||||||
2015 | 35.71 | 40.71 | 46.50 | 46.79 | a | 55.06 | 69.35 | 70.84 | 71.69 | 59.80 | 54.53 | 33.40 | a | 30.26 | 51.22 | |||||||||||
2016 | 29.24 | 39.03 | 42.25 | a | 52.10 | a | 55.94 | 64.87 | 68.55 | 69.60 | 58.27 | 48.74 | 41.70 | 23.31 | 49.47 | |||||||||||
2017 | 21.34 | 34.34 | 43.32 | 44.81 | a | 57.15 | 63.85 | 74.79 | 72.32 | 61.30 | 46.69 | 38.83 | 28.12 | a | 48.91 | |||||||||||
2018 | 36.77 | 33.71 | 39.28 | a | 47.72 | 59.71 | 63.00 | a | 73.06 | ----- | z | 59.48 | 48.58 | 36.60 | 31.63 | 48.14 | a | |||||||||
2019 | 33.67 | b | 30.77 | 38.24 | 48.82 | 54.79 | 62.58 | 68.71 | 70.82 | 59.20 | 43.48 | 37.83 | 33.44 | 48.53 | ||||||||||||
2020 | 34.87 | 37.38 | 39.50 | 47.70 | 55.79 | 62.43 | 69.50 | 71.32 | 64.15 | 51.21 | 38.05 | 31.42 | 50.28 | |||||||||||||
2021 | 33.00 | 35.25 | 40.61 | 48.42 | 55.18 | 69.70 | 76.65 | 69.85 | 60.93 | 49.07 | a | 41.48 | 32.03 | a | 51.01 | |||||||||||
2022 | 32.21 | 36.41 | f | 41.59 | d | 42.95 | 52.27 | 62.67 | 74.03 | 75.31 | 64.82 | 52.69 | 28.53 | 26.31 | 50.31 | a | ||||||||||
2023 | 30.03 | 30.73 | 32.84 | 45.98 | 58.92 | a | 63.78 | 73.65 | 71.63 | 59.00 | 49.71 | 38.22 | 35.03 | 49.13 | ||||||||||||
2024 | 33.76 | 35.05 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.40 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.96 | 34.10 | 38.92 | 43.92 | 51.69 | 59.22 | 66.96 | 65.65 | 57.79 | 47.73 | 36.76 | 29.72 | 46.85 | |||||||||||||
S.D. | 4.26 | 3.53 | 2.92 | 3.41 | 3.25 | 3.47 | 3.97 | 3.47 | 3.44 | 2.80 | 3.50 | 3.50 | 1.86 | |||||||||||||
SKEW | -0.58 | -0.59 | 0.08 | -0.09 | 0.27 | 0.74 | 0.24 | 0.36 | -0.41 | 0.43 | -1.06 | -0.68 | 0.31 | |||||||||||||
MAX | 37.52 | 41.20 | 46.50 | 52.10 | 59.71 | 69.70 | 76.65 | 75.31 | 64.82 | 54.74 | 43.87 | 35.32 | 51.22 | |||||||||||||
MIN | 17.53 | 22.68 | 32.84 | 35.78 | 44.77 | 53.70 | 57.32 | 59.18 | 49.72 | 41.87 | 24.10 | 21.37 | 42.89 | |||||||||||||
YRS | 63 | 62 | 61 | 62 | 61 | 61 | 59 | 61 | 61 | 62 | 62 | 62 | 56 |