YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.32 | 35.17 | 25.45 | 36.31 | i | |||
1954 | 26.39 | 33.14 | 33.42 | 49.80 | 51.00 | 62.37 | 65.32 | 64.71 | 57.20 | 48.39 | 33.27 | 25.55 | 45.88 | |||||||||||||
1955 | 25.80 | a | 22.32 | 32.35 | 44.93 | 55.39 | 59.40 | 65.58 | 62.90 | 57.23 | 45.55 | 31.20 | 27.45 | 44.18 | ||||||||||||
1956 | 24.10 | 23.60 | d | 32.17 | a | 40.80 | 56.61 | 64.87 | 64.35 | 60.55 | 54.87 | 46.35 | 30.07 | 28.68 | 43.92 | |||||||||||
1957 | 25.39 | 36.54 | 34.94 | 41.53 | 53.19 | 61.23 | 65.52 | 63.71 | 53.70 | 44.58 | 33.40 | 28.42 | 45.18 | |||||||||||||
1958 | 23.58 | 28.04 | 31.29 | 41.37 | 54.58 | 63.70 | 66.35 | 63.48 | 59.23 | 48.71 | 36.47 | 25.32 | 45.18 | |||||||||||||
1959 | 21.19 | 27.43 | 29.87 | 42.10 | 55.23 | 62.30 | 63.06 | 63.74 | 56.43 | 44.03 | 29.07 | 29.97 | 43.70 | |||||||||||||
1960 | 24.77 | 23.38 | 30.77 | 45.37 | 51.61 | 64.17 | 65.16 | 63.68 | 57.77 | 48.16 | 35.80 | 26.23 | 44.74 | |||||||||||||
1961 | 21.26 | 28.71 | 35.16 | 43.83 | a | 53.77 | a | 61.17 | 62.55 | 60.81 | 55.17 | 43.55 | 32.83 | 26.29 | 43.76 | |||||||||||
1962 | 18.81 | d | 30.11 | 30.13 | 44.87 | 57.53 | a | 62.41 | a | 67.63 | a | 64.52 | 61.00 | b | 51.27 | a | 39.70 | 30.90 | 46.57 | |||||||
1963 | 15.10 | 27.32 | 35.71 | 51.45 | a | 56.45 | 63.10 | j | 67.42 | 65.61 | 60.60 | 48.00 | b | 35.03 | 25.77 | 44.41 | a | |||||||||
1964 | 23.74 | 21.66 | 30.61 | 43.63 | 56.52 | 61.43 | b | 65.65 | ----- | z | ----- | z | ----- | z | ----- | z | 28.94 | 41.52 | d | |||||||
1965 | 28.26 | 23.07 | 27.58 | 47.63 | 57.94 | 64.77 | 67.90 | 65.45 | 59.33 | 46.55 | 40.50 | 32.10 | 46.76 | |||||||||||||
1966 | 21.48 | 23.54 | ----- | z | 44.27 | 53.65 | 63.47 | 67.58 | 63.74 | 58.33 | 42.77 | 36.67 | 23.45 | 45.36 | a | |||||||||||
1967 | 22.94 | 27.07 | 39.42 | 50.33 | 48.71 | 63.30 | 65.55 | 61.45 | 56.50 | 44.58 | 36.17 | 25.45 | 45.12 | |||||||||||||
1968 | 27.77 | 27.00 | a | 37.90 | 40.33 | 51.74 | 60.40 | 63.16 | 63.45 | 51.83 | 46.03 | 34.80 | 26.23 | 44.22 | ||||||||||||
1969 | 28.39 | 29.86 | 27.32 | 45.80 | 53.52 | 60.70 | 66.55 | 64.52 | 57.93 | 44.87 | 33.20 | 29.13 | 45.15 | |||||||||||||
1970 | 22.10 | 28.04 | 30.65 | 42.50 | 49.68 | 59.07 | 64.26 | 62.61 | 57.53 | 42.10 | 32.87 | 28.55 | 43.33 | |||||||||||||
1971 | 24.77 | 24.86 | 30.81 | 41.47 | 50.23 | 62.53 | 63.52 | 61.29 | 56.47 | 47.42 | 35.70 | 30.00 | 44.09 | |||||||||||||
1972 | 23.06 | 26.14 | 36.84 | 45.80 | 52.19 | 60.67 | 62.45 | 61.10 | 58.67 | 45.68 | 29.73 | 24.00 | 43.86 | |||||||||||||
1973 | 24.19 | 27.57 | 36.81 | 38.37 | 49.65 | 56.83 | 58.84 | 61.48 | 57.17 | 47.61 | 36.53 | 25.03 | 43.34 | |||||||||||||
1974 | 24.68 | 26.21 | 40.19 | 44.97 | 55.10 | 59.17 | 63.55 | 60.06 | 51.20 | 46.52 | 33.70 | 25.19 | 44.21 | |||||||||||||
1975 | 25.42 | 26.14 | 30.23 | 37.50 | 49.48 | 57.70 | 61.45 | 60.74 | 51.20 | 41.61 | 31.47 | 26.06 | 41.58 | |||||||||||||
1976 | 22.74 | 33.76 | 33.65 | 45.33 | 47.84 | 56.87 | 59.10 | 61.71 | 57.20 | 39.32 | 28.60 | 24.87 | 42.58 | |||||||||||||
1977 | 19.87 | 30.07 | 33.23 | 44.53 | 58.06 | 62.86 | b | 65.39 | 66.03 | 60.77 | 47.94 | 35.00 | 28.97 | 46.06 | ||||||||||||
1978 | 21.65 | 24.89 | 33.94 | 45.52 | a | 53.32 | 62.10 | 66.10 | 63.00 | 59.80 | 47.55 | 39.33 | 24.90 | 45.17 | ||||||||||||
1979 | 20.97 | 26.00 | 36.03 | 44.07 | 52.06 | 59.37 | 65.94 | 61.90 | 56.77 | 45.90 | b | 30.63 | 28.61 | 44.02 | ||||||||||||
1980 | 27.65 | 28.55 | 31.29 | 39.90 | 53.03 | 65.30 | 67.07 | a | 66.61 | 60.27 | 44.55 | 32.83 | 30.74 | 45.65 | ||||||||||||
1981 | 28.48 | 28.50 | 36.55 | 48.27 | 52.90 | 62.63 | 66.55 | 63.90 | 58.47 | 48.77 | 38.03 | 30.39 | 46.95 | |||||||||||||
1982 | 24.67 | a | 27.70 | a | 36.71 | 43.07 | 52.43 | a | 60.50 | b | 67.06 | 66.87 | 60.03 | 45.74 | 36.10 | a | 28.10 | 45.75 | ||||||||
1983 | 24.10 | 31.89 | 34.94 | 38.89 | b | 50.23 | 59.52 | a | 66.27 | a | 65.60 | a | 58.80 | 51.52 | 38.48 | a | 19.90 | a | 45.01 | |||||||
1984 | 24.45 | 28.00 | 32.83 | a | 40.80 | 53.77 | 64.77 | 65.07 | a | 64.52 | 54.47 | 46.10 | a | 36.70 | 32.71 | 45.35 | ||||||||||
1985 | 22.97 | 27.21 | 39.37 | a | 47.97 | 55.74 | 61.33 | 64.71 | 66.32 | 57.24 | a | 48.23 | 36.66 | a | 23.97 | 45.98 | ||||||||||
1986 | 28.42 | 32.89 | 39.61 | 48.34 | a | 53.90 | 62.72 | a | 66.65 | 65.45 | 60.79 | b | 48.68 | 34.66 | a | 30.77 | 47.74 | |||||||||
1987 | 27.19 | 33.43 | 32.23 | 41.70 | 54.58 | 62.77 | 65.55 | 64.80 | a | 57.13 | 47.03 | 35.17 | 27.45 | 45.75 | ||||||||||||
1988 | 24.48 | 27.52 | 31.84 | 42.30 | 52.90 | 62.30 | 65.26 | 65.13 | 56.83 | 47.10 | a | 36.63 | 27.26 | 44.96 | ||||||||||||
1989 | 29.58 | 27.30 | a | 36.39 | 45.93 | 56.55 | 60.17 | 65.74 | 64.03 | 53.52 | a | 46.45 | 34.33 | 21.58 | 45.13 | |||||||||||
1990 | 27.93 | a | 30.96 | a | 37.35 | 45.07 | a | 52.73 | a | 66.41 | a | 64.71 | 63.16 | 60.50 | 44.81 | 39.13 | 24.32 | 46.43 | ||||||||
1991 | 27.00 | 32.44 | a | 37.58 | 45.33 | 56.32 | 63.50 | 65.42 | 64.03 | 56.40 | 45.77 | 31.78 | c | 31.52 | 46.43 | |||||||||||
1992 | 28.55 | 34.62 | 39.16 | 46.76 | a | 53.97 | a | 60.63 | 65.81 | 62.10 | 56.50 | 46.16 | 33.37 | 29.29 | 46.41 | |||||||||||
1993 | 27.13 | a | 27.46 | 34.00 | a | 42.31 | a | 53.43 | a | 63.13 | 67.90 | a | 65.29 | 55.57 | 44.32 | 30.21 | a | 27.48 | 44.85 | |||||||
1994 | 26.32 | 26.61 | 36.60 | a | 42.50 | 55.23 | 65.30 | 66.74 | 65.43 | a | 57.67 | 48.55 | 36.72 | a | 31.80 | a | 46.62 | |||||||||
1995 | 29.03 | 33.39 | 35.20 | a | 41.21 | a | 53.74 | 61.43 | 66.16 | 65.45 | 58.79 | b | 44.45 | 35.50 | 28.74 | 46.09 | ||||||||||
1996 | 24.39 | 30.24 | 30.03 | a | 42.10 | 58.77 | 64.14 | b | 67.16 | 65.39 | 56.37 | 45.23 | 34.40 | 27.84 | 45.50 | |||||||||||
1997 | 26.03 | 30.26 | a | 36.93 | a | 40.37 | 53.13 | a | 60.73 | 65.77 | 65.03 | b | 60.47 | 47.39 | 33.07 | 26.35 | 45.46 | |||||||||
1998 | 29.29 | 31.82 | 32.68 | 40.28 | a | 56.19 | 64.40 | 69.16 | 65.23 | 61.43 | 50.87 | 39.14 | a | 29.10 | 47.47 | |||||||||||
1999 | 29.00 | 33.04 | 37.19 | 44.17 | a | 53.65 | 62.20 | 66.32 | 67.53 | a | 57.93 | 44.77 | 38.30 | 28.35 | 46.87 | |||||||||||
2000 | 29.14 | b | 33.52 | 37.61 | 44.93 | a | 56.53 | a | 63.10 | 66.61 | 65.48 | 56.97 | 49.61 | 31.27 | 25.27 | a | 46.67 | |||||||||
2001 | 26.58 | 30.71 | 35.97 | 46.50 | 55.17 | a | 64.21 | b | 69.29 | 66.26 | 58.03 | 44.50 | a | 39.83 | a | 29.03 | 47.17 | |||||||||
2002 | 28.10 | 26.68 | 30.47 | a | 47.79 | a | 53.07 | a | 63.73 | 65.94 | 66.58 | 57.63 | 48.45 | 34.63 | 30.00 | 46.09 | ||||||||||
2003 | 27.06 | 28.96 | a | 36.45 | 44.67 | 54.77 | 60.77 | 66.32 | 66.61 | 57.27 | 50.48 | 37.37 | 27.42 | 46.51 | ||||||||||||
2004 | 28.52 | 28.17 | 43.39 | 45.57 | 55.58 | 62.63 | 65.06 | 62.97 | 56.87 | 49.35 | 37.43 | 27.39 | 46.91 | |||||||||||||
2005 | 31.61 | 34.36 | 35.29 | 43.13 | 54.70 | a | 63.47 | 65.28 | b | 64.77 | 59.90 | 48.42 | 34.77 | d | 27.90 | a | 46.97 | |||||||||
2006 | 30.65 | 29.38 | b | 39.27 | a | 48.55 | a | 57.23 | 63.30 | 67.32 | f | 66.52 | 56.00 | 47.61 | 36.10 | 27.45 | 45.64 | a | ||||||||
2007 | 25.23 | 27.61 | 41.45 | 41.20 | 54.74 | 61.48 | a | 64.94 | 66.68 | 60.90 | 48.00 | 35.70 | 29.00 | 46.41 | ||||||||||||
2008 | 24.52 | 28.79 | a | 34.32 | 42.27 | 54.06 | 66.10 | 66.48 | 64.39 | 55.97 | 46.29 | 33.83 | 27.03 | 45.34 | ||||||||||||
2009 | 24.84 | 31.21 | 37.19 | 42.63 | 54.84 | 65.37 | 67.39 | 65.39 | 56.33 | 43.52 | 35.20 | 23.61 | 45.63 | |||||||||||||
2010 | 24.32 | 28.21 | 35.32 | 45.20 | 54.84 | 67.37 | 67.16 | 66.42 | 60.60 | 47.03 | 32.50 | 29.26 | 46.52 | |||||||||||||
2011 | 22.77 | 23.79 | 37.71 | 45.97 | 53.71 | 69.00 | 71.03 | 71.52 | 57.00 | 46.23 | 35.23 | 27.87 | 46.82 | |||||||||||||
2012 | 26.81 | 29.48 | 40.58 | 49.33 | 58.16 | 65.93 | 67.52 | 66.23 | 57.93 | 45.00 | 37.37 | 26.68 | 47.58 | |||||||||||||
2013 | 27.65 | 27.71 | 33.94 | 39.53 | 53.26 | 66.17 | 66.13 | 66.23 | 60.47 | 45.39 | 33.37 | 25.58 | 45.45 | |||||||||||||
2014 | 20.84 | 26.43 | 30.81 | 42.40 | 52.48 | 64.60 | 67.16 | 66.03 | 61.10 | 48.42 | 31.30 | 32.19 | 45.31 | |||||||||||||
2015 | 25.74 | 28.93 | 35.97 | 46.17 | 53.84 | 64.20 | 67.87 | 65.84 | 61.80 | 50.77 | 36.13 | 29.16 | 47.20 | |||||||||||||
2016 | 27.00 | 30.76 | 39.19 | 45.90 | 53.55 | 64.70 | 69.74 | 65.10 | 61.77 | 50.81 | 41.27 | 27.42 | 48.10 | |||||||||||||
2017 | 29.48 | 34.11 | 40.55 | 46.43 | 51.48 | 64.67 | 67.00 | 63.81 | 59.20 | 47.16 | 37.70 | 27.03 | 47.39 | |||||||||||||
2018 | 20.35 | 27.39 | 39.65 | 40.23 | 60.68 | 67.27 | 69.19 | 66.84 | 59.57 | 48.52 | 31.73 | 28.19 | 46.63 | |||||||||||||
2019 | 28.19 | 29.11 | 34.32 | 44.67 | 53.94 | 62.03 | 66.65 | 69.13 | 64.50 | 43.13 | 32.10 | 30.35 | 46.51 | |||||||||||||
2020 | 28.10 | 27.00 | 42.13 | 43.17 | 55.84 | 64.23 | 70.48 | 67.48 | 54.47 | 43.68 | 38.13 | 25.32 | 46.67 | |||||||||||||
2021 | 27.03 | 22.61 | 35.55 | 42.47 | 54.84 | 65.07 | 66.23 | 65.55 | 60.63 | 48.23 | 36.07 | 35.23 | 46.62 | |||||||||||||
2022 | 23.13 | 22.00 | 32.13 | 45.17 | 56.32 | 67.10 | 70.87 | 68.35 | 60.83 | 48.13 | 34.33 | 29.71 | 46.51 | |||||||||||||
2023 | 28.35 | 28.75 | 36.10 | 41.37 | 55.84 | 63.27 | 69.16 | 69.13 | 62.47 | 49.13 | 37.67 | 30.61 | 47.65 | |||||||||||||
2024 | 23.97 | 33.66 | 38.42 | 44.75 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.01 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.42 | 28.59 | 35.19 | 44.01 | 54.11 | 62.85 | 66.07 | 64.75 | 57.99 | 46.68 | 34.99 | 27.72 | 45.69 | |||||||||||||
S.D. | 3.08 | 3.38 | 3.57 | 2.97 | 2.44 | 2.48 | 2.25 | 2.21 | 2.63 | 2.41 | 2.86 | 2.68 | 1.34 | |||||||||||||
SKEW | -0.61 | 0.07 | -0.03 | 0.20 | -0.14 | -0.16 | -0.62 | 0.10 | -0.35 | -0.33 | -0.11 | -0.09 | -0.66 | |||||||||||||
MAX | 31.61 | 36.54 | 43.39 | 51.45 | 60.68 | 69.00 | 71.03 | 71.52 | 64.50 | 51.52 | 41.27 | 35.23 | 48.10 | |||||||||||||
MIN | 15.10 | 21.66 | 27.32 | 37.50 | 47.84 | 56.83 | 58.84 | 60.06 | 51.20 | 39.32 | 28.60 | 19.90 | 41.58 | |||||||||||||
YRS | 71 | 71 | 70 | 70 | 70 | 69 | 69 | 69 | 69 | 70 | 70 | 71 | 66 |