YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.16 | 63.75 | 48.45 | 30.88 | a | 26.69 | 47.79 | g | ||||
1949 | 15.77 | c | 27.98 | 36.44 | f | 46.10 | 56.00 | 63.75 | 70.42 | a | 68.63 | 59.82 | 46.58 | 44.38 | 28.56 | 48.00 | a | |||||||||
1950 | 25.11 | 33.69 | a | 34.42 | a | 45.23 | 51.61 | 65.42 | 68.37 | 66.85 | 59.20 | 55.87 | 35.57 | b | 33.02 | b | 47.86 | |||||||||
1951 | 21.54 | d | 31.12 | 31.69 | 41.35 | 56.37 | a | 59.41 | c | 70.98 | c | 68.56 | 58.41 | a | 46.64 | b | 33.10 | 26.06 | 45.44 | |||||||
1952 | 29.67 | a | 31.96 | f | 32.83 | b | 44.70 | h | 54.20 | c | 70.68 | 70.45 | 70.61 | 61.08 | 48.85 | 29.53 | 26.52 | 49.44 | b | |||||||
1953 | 33.89 | 27.78 | a | 39.44 | 41.38 | 50.98 | 67.70 | 71.47 | 68.47 | 62.13 | 50.02 | 38.00 | 24.10 | 47.95 | ||||||||||||
1954 | 30.45 | 40.00 | 31.79 | 49.93 | 53.53 | 67.42 | 74.58 | 69.79 | 64.45 | 48.77 | 40.52 | 31.61 | 50.24 | |||||||||||||
1955 | 24.65 | 23.89 | 33.88 | a | 46.35 | 56.66 | 61.80 | 73.32 | 70.71 | 61.05 | 51.37 | 32.67 | 30.97 | 47.28 | ||||||||||||
1956 | 29.27 | 24.10 | 35.05 | 42.48 | 57.93 | a | 70.17 | 68.92 | 67.02 | a | 61.80 | 52.32 | 32.60 | 31.29 | 47.75 | |||||||||||
1957 | 20.98 | 36.12 | 34.84 | 39.92 | 51.40 | 63.03 | 71.26 | 69.13 | 57.67 | 48.98 | 33.38 | 34.02 | 46.73 | |||||||||||||
1958 | 28.31 | 33.64 | 29.82 | 41.78 | 59.73 | 65.68 | 68.06 | 70.16 | 61.42 | 49.81 | 36.57 | 31.47 | 48.04 | |||||||||||||
1959 | 27.42 | 29.61 | 33.27 | 42.65 | 55.23 | 67.58 | 69.13 | 70.74 | 56.47 | 44.18 | 33.69 | a | 31.68 | 46.80 | ||||||||||||
1960 | 22.84 | 20.00 | 32.16 | 47.70 | 55.00 | 65.83 | 69.21 | 69.76 | 62.27 | 49.95 | 37.57 | 26.47 | 46.56 | |||||||||||||
1961 | 27.56 | 32.54 | 35.81 | 43.00 | 54.52 | 64.67 | 69.98 | 69.53 | 54.23 | 48.71 | 33.78 | 23.08 | 46.45 | |||||||||||||
1962 | 19.98 | a | 32.64 | 33.87 | 48.17 | 59.31 | 64.25 | 69.37 | 69.93 | a | 60.85 | 52.21 | 40.37 | 32.92 | 48.66 | |||||||||||
1963 | 17.81 | 35.57 | 36.60 | 48.43 | 59.21 | 67.60 | 74.71 | 69.84 | 65.02 | 56.85 | 39.43 | 26.61 | 49.81 | |||||||||||||
1964 | 28.00 | 24.52 | 29.95 | 44.50 | 56.66 | 63.62 | 73.68 | 69.26 | j | ----- | z | 46.25 | m | 34.45 | 28.63 | 42.67 | c | |||||||||
1965 | 30.77 | 25.48 | a | 24.40 | 48.00 | 56.16 | 63.23 | 70.94 | 66.69 | 53.77 | 51.13 | 41.17 | 32.27 | 47.00 | ||||||||||||
1966 | 19.74 | 23.86 | ----- | z | 43.50 | 56.26 | 65.20 | 75.02 | 67.08 | 61.07 | 46.24 | 38.82 | 25.92 | 47.52 | a | |||||||||||
1967 | 28.98 | 31.55 | 39.63 | 47.62 | 51.87 | 62.32 | 69.61 | 65.50 | 58.90 | 48.47 | 34.98 | 21.97 | 46.78 | |||||||||||||
1968 | 26.87 | 31.40 | 36.61 | 41.15 | 50.47 | 65.40 | 69.13 | 65.37 | 58.72 | 49.19 | 33.32 | 24.84 | 46.04 | |||||||||||||
1969 | 29.76 | 31.27 | 27.87 | 46.59 | m | ----- | z | 59.97 | 72.19 | 71.21 | 62.13 | 39.13 | 35.22 | 28.44 | 45.72 | b | ||||||||||
1970 | 26.90 | 33.88 | 30.58 | 41.33 | 56.11 | 62.19 | a | 70.97 | a | 71.08 | 57.15 | 43.24 | 36.33 | 30.92 | 46.72 | |||||||||||
1971 | 27.31 | 27.34 | 36.13 | 44.34 | b | 51.50 | a | 67.42 | 69.12 | b | 69.16 | 56.47 | a | 47.34 | 36.62 | 29.23 | 46.83 | |||||||||
1972 | 26.10 | 32.47 | 40.61 | 46.05 | 53.08 | 66.43 | 67.76 | 66.81 | 59.25 | 47.18 | 27.18 | 19.37 | d | 46.02 | ||||||||||||
1973 | 22.68 | 30.91 | 34.21 | 38.73 | 51.92 | 63.89 | b | 67.76 | 70.00 | 57.45 | 50.90 | 37.52 | 27.66 | 46.14 | ||||||||||||
1974 | 22.74 | 31.62 | 39.47 | 44.47 | 56.92 | 64.67 | 71.87 | 65.85 | 56.27 | 50.06 | 34.92 | 25.97 | 47.07 | |||||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.82 | 49.97 | 32.05 | 32.08 | 42.98 | h | ||||
1976 | 28.06 | 35.43 | 33.97 | 46.47 | 53.48 | 63.62 | 71.26 | 67.87 | 59.18 | 43.58 | 34.30 | 31.27 | 47.37 | |||||||||||||
1977 | 22.47 | 33.19 | a | 35.04 | c | 47.00 | 57.81 | 68.08 | 71.85 | 68.00 | 63.53 | 49.52 | 36.10 | 29.94 | 48.54 | |||||||||||
1978 | 21.71 | 24.59 | 38.58 | 45.90 | 51.03 | a | 64.50 | 71.98 | 66.42 | 60.97 | 50.00 | 34.57 | 21.18 | 45.95 | ||||||||||||
1979 | 14.92 | a | 29.86 | 36.84 | 45.17 | 51.10 | 62.87 | 69.97 | 65.89 | 62.42 | 50.12 | a | 29.00 | 30.84 | 45.75 | |||||||||||
1980 | 21.13 | 30.34 | 31.87 | 41.98 | 51.66 | 66.63 | 73.15 | 69.68 | 61.12 | 47.31 | 37.10 | 37.10 | 47.42 | |||||||||||||
1981 | 31.98 | 31.66 | 35.15 | 51.27 | 51.87 | 66.57 | 71.90 | 67.31 | 63.08 | 48.10 | 41.27 | 30.16 | 49.19 | |||||||||||||
1982 | 25.16 | b | 26.68 | 37.27 | 42.82 | 52.83 | b | 59.32 | 69.76 | 70.73 | 59.75 | 47.08 | 33.58 | 28.44 | 46.12 | |||||||||||
1983 | 30.02 | 32.66 | 34.21 | 38.35 | 49.68 | 60.52 | 71.39 | 72.42 | 63.25 | 50.42 | 35.73 | 16.69 | 46.28 | |||||||||||||
1984 | 21.65 | 28.28 | 32.84 | 40.00 | 55.76 | 63.28 | 71.15 | 70.15 | 58.17 | 42.47 | 36.40 | 30.13 | 45.85 | |||||||||||||
1985 | 22.92 | 24.29 | 36.68 | 48.27 | 56.77 | 63.90 | 70.66 | 69.27 | 57.05 | 47.26 | 28.83 | 24.98 | 45.91 | |||||||||||||
1986 | 37.06 | 32.38 | 43.31 | 47.87 | 53.97 | 66.03 | 70.90 | 68.39 | 59.58 | 47.02 | 35.62 | 26.19 | 49.03 | |||||||||||||
1987 | 28.13 | 31.48 | 33.77 | 47.62 | 55.61 | 64.52 | 70.29 | 66.58 | 60.05 | 48.98 | a | 36.78 | 25.71 | 47.46 | ||||||||||||
1988 | 21.03 | 29.50 | 34.23 | 45.73 | 54.48 | 67.40 | 70.40 | 70.56 | 59.97 | 51.02 | 36.82 | 28.00 | 47.43 | |||||||||||||
1989 | 30.55 | 21.48 | 40.48 | 47.67 | 56.50 | 61.48 | 70.13 | 68.06 | 59.07 | 48.42 | 39.30 | 24.40 | 47.30 | |||||||||||||
1990 | 30.05 | 29.41 | 38.47 | 46.23 | 53.00 | 68.68 | 67.72 | b | 67.94 | 63.85 | 48.97 | 39.87 | 23.39 | 48.13 | ||||||||||||
1991 | 24.90 | 36.95 | 38.26 | 44.98 | 56.95 | 66.78 | 69.35 | 67.42 | 59.63 | 48.63 | 31.37 | 29.44 | 47.89 | |||||||||||||
1992 | 27.34 | 36.26 | 41.06 | 50.28 | 55.98 | 62.15 | 67.56 | 65.95 | 61.12 | 50.47 | 30.83 | 23.53 | 47.71 | |||||||||||||
1993 | 21.58 | 24.80 | 37.32 | 44.22 | 54.03 | 63.02 | 69.19 | 65.71 | 57.18 | 46.63 | 29.22 | 30.77 | 45.31 | |||||||||||||
1994 | 28.69 | 27.05 | 40.11 | 43.87 | 57.27 | 69.45 | 69.73 | 70.89 | 62.10 | 48.21 | 34.00 | 31.08 | 48.54 | |||||||||||||
1995 | 28.73 | 31.59 | 36.61 | 40.82 | 49.08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.37 | g | |||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.69 | 69.14 | f | 58.27 | 47.19 | 34.68 | 28.42 | a | 47.65 | g | ||||
1997 | 24.31 | 27.62 | 37.65 | 38.92 | 52.48 | e | 65.17 | d | 69.60 | a | 67.48 | a | 60.79 | d | 45.44 | 32.07 | b | 25.87 | 45.62 | |||||||
1998 | 29.42 | 30.57 | 34.66 | b | 42.78 | 57.74 | 61.70 | c | 70.93 | h | 66.69 | d | 63.26 | a | 48.04 | c | 39.40 | 25.29 | 45.41 | a | ||||||
1999 | 30.37 | 33.38 | 39.10 | 42.05 | 53.52 | 61.42 | 70.98 | 69.87 | d | 56.65 | 48.35 | a | 42.19 | c | 30.42 | 48.19 | ||||||||||
2000 | 29.44 | 35.24 | 38.16 | 46.63 | 56.52 | 63.45 | b | 71.40 | 71.52 | 60.95 | 48.44 | 28.32 | b | 25.25 | a | 47.94 | ||||||||||
2001 | 26.40 | 28.38 | 35.89 | 47.02 | a | 53.26 | 65.59 | b | 73.13 | 68.39 | 60.90 | 46.45 | 37.02 | 27.97 | 47.53 | |||||||||||
2002 | 26.08 | 28.32 | 32.13 | 46.48 | 54.23 | 68.93 | 71.84 | 69.63 | 59.88 | 41.98 | a | 34.57 | 28.52 | 46.88 | ||||||||||||
2003 | 32.00 | 25.88 | 38.58 | 47.75 | 55.26 | 61.53 | 73.45 | 71.20 | a | 56.72 | 50.85 | 34.12 | 28.62 | a | 48.00 | |||||||||||
2004 | 27.87 | 26.79 | 41.73 | 45.45 | 57.31 | 62.17 | 68.55 | 64.82 | 60.28 | 48.52 | 33.73 | 29.85 | 47.26 | |||||||||||||
2005 | 31.00 | 32.00 | 35.61 | 45.20 | 55.48 | d | 65.15 | d | 72.40 | 68.85 | 63.03 | a | 50.67 | b | 39.48 | a | 26.73 | 48.80 | ||||||||
2006 | 32.55 | 27.25 | 36.05 | 47.93 | c | 57.42 | 69.00 | 73.45 | 69.95 | 55.20 | 46.45 | 37.00 | 25.65 | a | 48.16 | |||||||||||
2007 | 16.56 | 26.80 | 43.31 | 43.83 | 55.66 | 64.23 | 72.39 | 72.45 | 61.52 | 49.31 | 36.18 | 21.40 | 46.97 | |||||||||||||
2008 | 22.00 | 28.07 | 36.24 | 42.72 | 53.15 | 63.62 | 72.89 | 67.61 | 57.52 | 47.98 | 39.07 | 26.40 | b | 46.44 | ||||||||||||
2009 | 29.31 | 31.95 | 36.23 | 43.47 | 54.69 | 61.95 | 67.77 | 66.26 | 57.52 | 38.84 | 38.39 | b | 18.97 | 45.44 | ||||||||||||
2010 | 26.48 | 24.05 | 36.87 | 45.03 | 51.19 | 66.13 | 70.26 | 68.90 | 62.05 | 48.65 | 34.18 | b | 29.26 | 46.92 | ||||||||||||
2011 | 22.85 | 24.07 | 37.82 | a | 43.92 | 50.18 | 64.97 | 73.08 | 72.82 | 59.22 | 47.13 | 34.73 | 23.06 | 46.15 | ||||||||||||
2012 | 30.22 | a | 21.68 | a | 43.47 | 49.43 | 55.56 | 69.82 | 74.03 | 69.03 | 60.05 | 44.94 | 37.85 | 23.15 | 48.27 | |||||||||||
2013 | 23.90 | 24.88 | 33.55 | 39.03 | 54.39 | 66.40 | 69.84 | 69.58 | 62.63 | 44.31 | 35.86 | a | 23.77 | 45.68 | ||||||||||||
2014 | 24.03 | 24.20 | 35.61 | 44.93 | 54.52 | 64.43 | 70.18 | 68.45 | 61.13 | 50.44 | 31.13 | 25.79 | 46.24 | |||||||||||||
2015 | 29.26 | 29.54 | 39.55 | 45.92 | 51.34 | 65.97 | 69.19 | 69.18 | 64.15 | 52.34 | 34.18 | 27.23 | 48.15 | |||||||||||||
2016 | 27.69 | 30.97 | 36.94 | 43.97 | a | 51.66 | 67.27 | 72.24 | 67.13 | 61.77 | 52.48 | 38.47 | 22.26 | 47.74 | ||||||||||||
2017 | 26.32 | 34.89 | 41.56 | 46.33 | 52.06 | 65.38 | 71.97 | 66.06 | 62.65 | f | 45.92 | 39.85 | 27.19 | 47.05 | a | |||||||||||
2018 | 28.77 | 26.71 | 37.85 | 43.63 | 59.76 | 67.88 | 71.11 | 67.02 | 62.95 | 44.98 | 32.63 | 27.44 | 47.56 | |||||||||||||
2019 | 26.68 | 26.04 | 33.16 | 45.90 | 49.19 | 61.70 | 71.92 | a | 71.24 | 65.67 | 39.21 | 33.22 | 29.90 | 46.15 | ||||||||||||
2020 | 28.60 | 25.59 | 39.21 | 43.13 | 56.24 | 66.98 | 72.47 | 72.63 | a | 60.35 | 45.73 | 39.05 | 26.79 | 48.06 | ||||||||||||
2021 | 28.06 | 22.75 | 37.58 | 43.35 | 54.65 | 68.18 | 72.61 | 71.63 | 65.13 | 49.55 | 40.45 | 32.60 | 48.88 | |||||||||||||
2022 | 26.87 | 24.77 | 35.56 | 45.53 | 56.19 | 67.98 | 74.95 | 71.34 | 64.97 | 49.00 | g | 31.58 | 23.69 | 47.59 | a | |||||||||||
2023 | 20.40 | 25.54 | 34.74 | 44.45 | 58.29 | 63.37 | 71.69 | 71.16 | 64.02 | a | 48.79 | 37.83 | 31.48 | 47.65 | ||||||||||||
2024 | 23.63 | 35.64 | 37.85 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.37 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.14 | 29.24 | 36.08 | 44.72 | 54.49 | 64.98 | 70.97 | 68.86 | 60.36 | 48.08 | 35.50 | 27.45 | 47.25 | |||||||||||||
S.D. | 4.31 | 4.28 | 3.56 | 2.89 | 2.64 | 2.66 | 1.87 | 1.99 | 2.70 | 3.25 | 3.54 | 3.78 | 1.11 | |||||||||||||
SKEW | -0.40 | 0.10 | -0.37 | -0.17 | -0.08 | -0.00 | 0.18 | -0.03 | -0.20 | -0.55 | -0.07 | -0.30 | 0.32 | |||||||||||||
MAX | 37.06 | 40.00 | 43.47 | 51.27 | 59.76 | 70.68 | 75.02 | 72.82 | 65.67 | 56.85 | 44.38 | 37.10 | 50.24 | |||||||||||||
MIN | 14.92 | 20.00 | 24.40 | 38.35 | 49.08 | 59.32 | 67.56 | 64.82 | 53.77 | 38.84 | 27.18 | 16.69 | 45.31 | |||||||||||||
YRS | 74 | 73 | 72 | 71 | 72 | 72 | 72 | 72 | 73 | 73 | 75 | 75 | 64 |