YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.55 | a | 27.55 | k |
1933 | 35.70 | f | 30.96 | a | 43.10 | 49.07 | 52.45 | b | 62.05 | 65.19 | w | ----- | z | 57.91 | a | 53.82 | a | 40.98 | 41.82 | 48.02 | c | |||||
1934 | 42.18 | 41.08 | b | 48.29 | 54.83 | 58.61 | d | 66.12 | v | 70.06 | n | 68.73 | a | 57.78 | c | 56.10 | u | 44.30 | b | 35.76 | b | 50.17 | c | |||
1935 | 33.55 | a | 37.10 | b | 39.40 | a | 47.17 | 53.63 | 62.53 | 68.24 | 66.31 | 61.05 | i | 44.36 | f | 32.54 | f | 31.31 | e | 48.80 | c | |||||
1936 | 35.34 | c | 18.92 | d | 41.56 | 51.70 | c | 59.17 | a | 63.93 | a | 69.23 | 67.82 | ----- | z | ----- | z | ----- | z | ----- | z | 50.96 | d | |||
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | 34.77 | 35.78 | a | 43.52 | 49.98 | 55.58 | a | 65.13 | 73.10 | 66.05 | 65.33 | 51.40 | 36.50 | 35.03 | 51.02 | |||||||||||
1939 | 38.39 | 34.07 | 44.47 | 50.95 | 58.13 | 61.25 | 71.53 | 69.84 | 61.97 | 50.48 | a | 40.17 | a | 40.50 | b | 51.81 | ||||||||||
1940 | 29.98 | 40.84 | 47.23 | 50.18 | 58.78 | a | 65.95 | 70.23 | 68.94 | 64.10 | 54.68 | 34.45 | 35.58 | a | 51.75 | |||||||||||
1941 | 33.82 | 40.52 | 46.56 | 50.55 | a | 56.28 | a | 62.72 | 74.03 | 69.60 | 57.83 | 49.12 | a | 45.41 | a | ----- | z | 53.31 | a | |||||||
1942 | 21.48 | 37.67 | a | 44.58 | 51.72 | a | 55.29 | e | 60.12 | 71.83 | a | 71.16 | 62.22 | 53.00 | 40.00 | 38.06 | 50.59 | |||||||||
1943 | 25.03 | 36.39 | 41.27 | 51.82 | 52.87 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.48 | g | |||||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.15 | 49.90 | 36.38 | 35.94 | 46.09 | h | ||||
1957 | 21.42 | e | 33.93 | 42.74 | 50.25 | 59.00 | 65.33 | 68.15 | 66.27 | 62.83 | 47.98 | 40.09 | a | 40.65 | d | 49.89 | ||||||||||
1958 | 37.18 | 46.96 | 41.33 | a | 48.55 | 62.32 | a | 67.62 | 74.18 | 73.38 | b | 61.07 | 52.12 | a | 40.65 | 37.66 | 53.58 | |||||||||
1959 | 35.06 | 37.32 | 44.45 | 50.33 | a | 53.53 | 62.47 | 71.34 | 66.27 | 59.73 | 51.69 | 36.47 | 33.31 | 50.16 | ||||||||||||
1960 | 23.19 | 37.83 | 42.76 | 50.28 | 54.35 | 63.72 | 74.71 | 67.58 | 61.38 | 51.97 | 42.52 | 30.76 | 50.09 | |||||||||||||
1961 | 37.15 | 46.30 | 45.76 | 49.02 | 56.03 | 68.43 | 73.37 | 75.08 | 57.97 | 49.13 | 33.75 | 34.65 | a | 52.22 | ||||||||||||
1962 | 32.62 | a | 38.27 | 42.23 | 53.18 | 53.29 | 61.35 | 70.00 | 67.89 | 62.48 | 51.03 | 44.55 | 38.55 | a | 51.29 | |||||||||||
1963 | 26.98 | 42.04 | 44.69 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.81 | 43.43 | 31.95 | 40.48 | f | ||||||
1964 | 39.21 | 38.98 | 40.82 | 46.45 | 53.23 | 62.08 | 69.48 | 65.37 | 57.65 | 48.66 | 39.55 | 32.44 | 49.49 | |||||||||||||
1965 | 34.29 | 40.29 | 39.11 | 51.26 | a | 53.68 | 61.72 | 70.42 | 69.56 | 56.40 | 54.45 | 43.77 | 34.97 | 50.83 | ||||||||||||
1966 | 35.71 | 38.66 | 43.08 | 49.32 | 57.18 | 60.97 | 67.61 | 68.21 | 62.97 | 50.00 | 43.85 | 40.23 | 51.48 | |||||||||||||
1967 | 41.53 | 40.20 | 41.90 | 44.27 | 54.16 | 64.42 | 71.53 | 74.18 | 65.80 | 51.47 | 39.92 | 35.06 | 52.04 | |||||||||||||
1968 | 36.88 | a | 40.95 | 46.58 | 46.58 | 56.53 | 64.93 | 72.73 | 66.63 | 61.92 | 49.15 | 41.36 | a | 33.35 | 51.47 | |||||||||||
1969 | 19.94 | 35.45 | 43.10 | 48.33 | 58.13 | 66.33 | 68.89 | 66.31 | 61.82 | 46.74 | 42.93 | 35.03 | 49.42 | |||||||||||||
1970 | 32.61 | 40.09 | a | 41.85 | 44.47 | 56.21 | 67.15 | 72.44 | 69.61 | 55.92 | 47.53 | 41.00 | 35.34 | 50.35 | ||||||||||||
1971 | 37.92 | 39.45 | 39.85 | 46.80 | 56.24 | 58.30 | 69.85 | 73.66 | 55.88 | 46.68 | 41.43 | 35.00 | 50.09 | |||||||||||||
1972 | 34.69 | b | 35.09 | 45.60 | 45.72 | 57.34 | 64.28 | 69.37 | 70.68 | 56.62 | 47.66 | 41.22 | 30.26 | d | 49.88 | |||||||||||
1973 | 30.06 | 37.46 | 44.19 | 47.77 | 57.40 | 63.13 | 70.24 | 67.69 | 59.90 | 49.63 | 40.35 | 39.89 | 50.64 | |||||||||||||
1974 | 27.19 | 41.46 | 43.58 | 48.22 | 53.53 | 65.59 | a | 68.90 | 69.35 | 61.32 | 49.42 | a | 42.52 | 38.47 | 50.80 | |||||||||||
1975 | 33.56 | 34.59 | 39.95 | 43.32 | 54.27 | 59.58 | 72.34 | 65.48 | 59.95 | 50.50 | 40.42 | 37.23 | 49.27 | |||||||||||||
1976 | 37.37 | 36.59 | 40.68 | 46.97 | 55.60 | 59.17 | 69.18 | 65.71 | 63.45 | 49.26 | 41.50 | 34.15 | 49.97 | |||||||||||||
1977 | 25.45 | 39.04 | 41.98 | 50.92 | 51.92 | 66.17 | 68.65 | 73.13 | 57.77 | 48.40 | 38.43 | 35.27 | 49.76 | |||||||||||||
1978 | 32.74 | 39.56 | a | 44.92 | 47.77 | 53.63 | 63.52 | 69.98 | 67.69 | 58.77 | 48.97 | 32.65 | 29.16 | 49.11 | ||||||||||||
1979 | 15.27 | 37.70 | c | 44.52 | 48.71 | a | 57.10 | a | 63.68 | 70.77 | 69.32 | 63.42 | 53.66 | 35.45 | 38.29 | b | 49.82 | |||||||||
1980 | 26.67 | a | 37.10 | 41.27 | a | 51.70 | 55.89 | 59.15 | 70.10 | 65.58 | 61.02 | 49.74 | 42.05 | 37.98 | 49.85 | |||||||||||
1981 | 36.92 | 38.46 | 44.32 | 48.73 | 55.00 | 60.10 | 66.95 | 71.37 | 60.82 | 48.60 | a | 44.13 | 37.12 | a | 51.04 | |||||||||||
1982 | 33.40 | 37.70 | 42.57 | a | 46.12 | 54.22 | a | 65.97 | 69.68 | 69.55 | a | 59.50 | 49.41 | b | 36.62 | b | 35.35 | 50.01 | ||||||||
1983 | 40.10 | 43.13 | a | 46.97 | 48.03 | 57.16 | 61.17 | a | 66.94 | 71.26 | b | 56.65 | d | 49.90 | a | 45.27 | 25.62 | c | 51.02 | |||||||
1984 | 33.50 | 39.12 | 45.40 | 46.86 | a | 53.18 | a | 59.60 | 70.37 | 70.26 | 58.85 | 47.65 | 41.45 | 29.34 | 49.63 | |||||||||||
1985 | 25.40 | 33.92 | b | 42.05 | 52.22 | 57.24 | 63.47 | 74.52 | 66.12 | a | 54.70 | 48.45 | a | 27.95 | b | 19.12 | a | 47.10 | ||||||||
1986 | 35.23 | 38.45 | 47.53 | b | 47.92 | 56.19 | 67.65 | 65.97 | 72.84 | 57.22 | 51.34 | 41.85 | 31.90 | 51.17 | ||||||||||||
1987 | 28.97 | a | 39.18 | 45.29 | 53.32 | 58.97 | 64.85 | 68.74 | 67.08 | a | 62.93 | 50.48 | 41.87 | 32.90 | 51.22 | |||||||||||
1988 | 32.00 | 38.14 | 43.23 | 51.43 | 55.60 | 62.52 | 70.21 | 67.48 | 60.48 | 56.10 | 43.53 | 33.85 | 51.21 | |||||||||||||
1989 | 36.18 | a | 27.38 | c | 42.34 | 51.72 | 55.26 | 64.70 | 68.71 | 67.34 | 60.47 | 49.76 | 43.41 | a | 32.84 | 50.01 | ||||||||||
1990 | 37.81 | ----- | z | 44.02 | 52.57 | 55.05 | a | 63.52 | 72.81 | 70.44 | 65.25 | 49.57 | a | 44.87 | 27.96 | d | 53.08 | a | ||||||||
1991 | 31.08 | 44.43 | 41.60 | a | 48.97 | 53.65 | 59.37 | 69.71 | 72.21 | 61.97 | 49.94 | 40.80 | 36.60 | a | 50.86 | |||||||||||
1992 | 38.65 | a | 42.50 | 45.82 | 52.07 | 58.79 | 68.17 | 69.61 | 69.65 | 59.23 | 52.50 | a | 40.05 | 31.92 | 52.41 | |||||||||||
1993 | 24.32 | 28.85 | d | 40.65 | 49.53 | 60.23 | a | 62.50 | 65.23 | 66.25 | a | 61.33 | 52.71 | 32.45 | a | 35.35 | 48.28 | |||||||||
1994 | 40.73 | 34.00 | 45.02 | 52.57 | 58.13 | 62.38 | 72.63 | 69.53 | 63.45 | 48.97 | 39.05 | 35.74 | 51.85 | |||||||||||||
1995 | 34.45 | 41.41 | 43.73 | a | 48.07 | 56.08 | 60.92 | 70.69 | 65.44 | 63.88 | a | 49.50 | 45.18 | 34.69 | b | 51.17 | ||||||||||
1996 | 37.67 | b | 36.02 | c | 42.38 | a | 50.70 | 53.00 | 61.25 | 72.39 | 70.06 | 58.75 | 50.37 | 39.52 | a | 36.00 | 50.68 | |||||||||
1997 | 32.53 | 37.93 | 45.18 | a | 48.08 | 58.69 | 62.43 | 68.52 | 71.53 | 63.13 | 50.20 | a | 42.18 | b | 34.50 | a | 51.24 | |||||||||
1998 | 37.92 | 43.04 | a | 44.31 | 47.83 | 54.71 | 62.62 | 76.32 | 71.76 | 66.03 | 49.13 | 44.64 | a | 35.32 | 52.80 | |||||||||||
1999 | 40.94 | 41.31 | a | 43.94 | 46.30 | 53.53 | a | 62.66 | b | 68.35 | 71.71 | 59.15 | 49.03 | 46.10 | 38.05 | a | 51.76 | |||||||||
2000 | 35.38 | a | 39.22 | 42.07 | a | 51.95 | 56.79 | 61.79 | a | 69.42 | 68.08 | 59.86 | a | 50.05 | 35.52 | a | 32.10 | 50.19 | ||||||||
2001 | 33.82 | 35.86 | 44.56 | 47.83 | 58.23 | 61.82 | 69.56 | 71.26 | 64.25 | 49.56 | 42.97 | 36.24 | 51.33 | |||||||||||||
2002 | 37.05 | 39.96 | 39.58 | a | 48.07 | 54.61 | 65.37 | 73.34 | 67.11 | 61.12 | 46.35 | 40.62 | 38.82 | 51.00 | ||||||||||||
2003 | 40.13 | 39.27 | 47.53 | 48.97 | 56.23 | 65.23 | 73.40 | 69.92 | a | 64.37 | 55.45 | a | 37.55 | 36.55 | 52.88 | |||||||||||
2004 | 27.52 | 39.09 | 47.45 | 50.17 | 55.26 | 62.91 | b | 71.48 | 71.42 | a | 60.17 | a | 52.32 | 41.50 | b | 38.19 | 51.46 | |||||||||
2005 | 34.94 | 36.57 | 46.43 | a | 50.05 | 58.02 | 60.98 | 71.24 | 69.77 | 58.45 | 51.90 | 39.45 | 31.03 | 50.74 | ||||||||||||
2006 | 43.23 | 36.18 | 43.23 | a | 49.25 | 55.90 | a | 63.65 | 74.13 | 68.50 | 62.25 | 49.71 | b | 42.18 | 33.23 | a | 51.79 | |||||||||
2007 | 30.55 | a | 38.21 | 45.94 | 47.64 | a | 56.65 | 63.44 | c | 73.32 | c | 65.47 | a | 59.22 | 49.44 | 39.98 | 35.56 | 50.45 | ||||||||
2008 | 30.74 | b | 39.84 | 42.15 | 45.32 | 56.65 | a | 58.38 | d | 70.13 | 68.97 | a | 59.31 | a | 47.84 | c | 43.62 | 27.62 | a | 49.21 | ||||||
2009 | 32.90 | 36.12 | 39.02 | 47.50 | b | 51.94 | m | 66.83 | x | ----- | z | 67.93 | i | 62.29 | a | 44.62 | o | ----- | z | ----- | z | 43.57 | g | |||
2010 | 40.32 | a | 41.66 | 44.03 | 47.20 | 51.50 | a | 59.09 | a | 68.53 | a | 68.42 | f | 59.59 | b | 50.37 | a | 36.53 | 35.56 | 48.58 | a | |||||
2011 | 34.81 | 36.00 | 43.95 | 44.70 | 51.63 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.22 | g | ||||
2012 | 35.76 | 35.76 | 41.72 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.11 | 37.84 | h | |||
2013 | 30.18 | 38.04 | 42.68 | 46.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.41 | h | ||||
2014 | ----- | z | ----- | z | 43.58 | 48.53 | 57.00 | 61.95 | 75.02 | 71.79 | 62.10 | 56.58 | 36.60 | 35.71 | 54.89 | b | ||||||||||
2015 | 35.85 | a | 41.37 | m | 46.63 | l | 47.19 | c | 57.18 | f | 70.57 | h | 72.58 | g | 69.40 | 58.87 | 54.05 | 38.48 | 37.26 | 48.73 | e | |||||
2016 | 35.31 | 42.36 | 44.87 | a | 53.42 | 56.94 | 64.62 | a | 69.00 | 68.60 | 58.98 | 51.52 | 47.50 | 27.95 | 51.75 | |||||||||||
2017 | 22.16 | 33.39 | 44.48 | 48.25 | 56.45 | 62.73 | 71.58 | 72.05 | 62.13 | 48.47 | 43.28 | 30.15 | 49.59 | |||||||||||||
2018 | 39.45 | b | 35.95 | 42.58 | 48.35 | 60.42 | 62.24 | a | 71.44 | 69.65 | 57.27 | 48.60 | a | 39.38 | 36.69 | 51.00 | ||||||||||
2019 | 36.98 | 26.52 | 32.90 | 49.62 | 57.08 | 62.85 | 68.61 | 69.87 | 60.85 | 44.26 | 37.55 | 35.52 | 48.55 | |||||||||||||
2020 | 39.18 | 39.12 | 40.61 | 48.30 | 55.61 | 60.15 | 67.21 | 69.63 | 62.62 | 51.79 | 41.03 | 35.45 | 50.89 | |||||||||||||
2021 | 38.74 | 34.30 | 42.84 | 46.43 | 54.84 | 68.15 | 74.57 | i | 70.31 | e | 59.19 | f | 50.25 | a | 43.08 | d | 34.10 | 48.30 | b | |||||||
2022 | 33.92 | 36.79 | 46.18 | 44.02 | 53.54 | h | 61.92 | f | 73.05 | 73.73 | 63.55 | b | 55.63 | a | 34.23 | b | 28.58 | y | 51.23 | c | ||||||
2023 | ----- | z | ----- | z | ----- | z | 47.95 | a | 60.66 | 64.20 | 73.15 | 72.77 | 61.26 | m | 51.12 | g | 41.52 | b | 38.29 | 56.93 | e | |||||
2024 | 30.72 | a | 40.95 | 44.24 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.64 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.42 | 37.77 | 43.37 | 48.91 | 56.01 | 63.06 | 70.66 | 69.32 | 60.67 | 50.43 | 40.44 | 34.58 | 50.69 | |||||||||||||
S.D. | 5.75 | 4.27 | 2.49 | 2.44 | 2.29 | 2.49 | 2.34 | 2.46 | 2.62 | 2.43 | 3.63 | 3.87 | 1.16 | |||||||||||||
SKEW | -0.88 | -1.41 | -0.85 | 0.05 | 0.24 | 0.21 | 0.14 | 0.20 | -0.07 | 0.49 | -0.85 | -1.12 | -0.29 | |||||||||||||
MAX | 43.23 | 46.96 | 48.29 | 54.83 | 62.32 | 68.43 | 76.32 | 75.08 | 66.03 | 56.58 | 47.50 | 41.82 | 53.58 | |||||||||||||
MIN | 15.27 | 18.92 | 32.90 | 43.32 | 51.50 | 58.30 | 65.23 | 65.37 | 54.70 | 44.26 | 27.95 | 19.12 | 47.10 | |||||||||||||
YRS | 75 | 74 | 76 | 75 | 71 | 68 | 67 | 69 | 69 | 69 | 71 | 72 | 59 |