YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1935 | ----- | z | ----- | z | ----- | z | ----- | z | 57.73 | p | 66.12 | 71.50 | 72.61 | 66.48 | 47.74 | 32.12 | 30.58 | 55.31 | e | |||||||
1936 | 34.13 | 36.19 | 41.53 | 51.68 | 59.06 | 67.45 | 75.66 | 73.35 | 60.21 | a | 51.56 | 36.62 | 30.52 | 51.50 | ||||||||||||
1937 | 11.02 | c | 26.09 | 41.27 | 45.23 | b | 58.55 | 64.33 | 75.16 | 71.79 | 63.36 | a | 51.98 | 41.07 | 34.06 | 48.66 | ||||||||||
1938 | 33.06 | 34.39 | 38.34 | 48.55 | 55.24 | 65.45 | 71.63 | 70.31 | 64.68 | 50.85 | 32.27 | 33.55 | 49.86 | |||||||||||||
1939 | 31.66 | 29.05 | 43.66 | 52.55 | 58.61 | 64.35 | 74.33 | a | 73.84 | 62.18 | 50.39 | 41.18 | 36.73 | 51.55 | ||||||||||||
1940 | 32.17 | a | 38.70 | f | 42.62 | r | 49.33 | 62.53 | 71.58 | 71.77 | 73.68 | 61.40 | 53.10 | b | 36.58 | ----- | z | 56.91 | c | |||||||
1941 | 34.56 | 39.52 | 42.21 | 45.07 | 57.84 | 62.70 | 74.39 | 69.11 | 56.75 | 48.37 | 40.77 | 34.77 | 50.50 | |||||||||||||
1942 | 23.40 | 31.54 | 37.76 | 47.48 | 51.55 | 62.32 | 73.73 | 71.21 | 60.40 | a | 51.61 | 39.34 | b | 32.84 | b | 48.60 | ||||||||||
1943 | 30.27 | 38.75 | 41.90 | 51.73 | 55.19 | 59.70 | 73.40 | 68.73 | 66.65 | 51.19 | 38.57 | 30.92 | 50.58 | |||||||||||||
1944 | 25.87 | 33.14 | 38.02 | 45.02 | 56.02 | 59.22 | 70.32 | 67.32 | 63.14 | b | 53.77 | 39.82 | 32.27 | 48.66 | ||||||||||||
1945 | 28.65 | 36.66 | 38.21 | 44.41 | a | 55.79 | 61.45 | 73.98 | 70.69 | 60.02 | 53.29 | 39.63 | 31.98 | 49.56 | ||||||||||||
1946 | 30.90 | a | 33.20 | 41.13 | 51.25 | 56.00 | 63.30 | 73.18 | 72.37 | 60.40 | 44.31 | 37.25 | 33.15 | 49.70 | ||||||||||||
1947 | 25.64 | b | 38.07 | 43.89 | 51.04 | g | 62.63 | 63.36 | a | 69.34 | 67.97 | 61.44 | c | 51.33 | b | 35.65 | j | 31.69 | b | 51.54 | b | |||||
1948 | 33.86 | b | 31.64 | 34.84 | b | 44.43 | c | 53.45 | c | 64.08 | 71.17 | a | 66.94 | 61.02 | 50.48 | 34.68 | 26.63 | 47.77 | ||||||||
1949 | 14.38 | k | 26.63 | a | 41.17 | a | 53.85 | 57.52 | 65.62 | 72.69 | 70.60 | 63.75 | 48.85 | 45.02 | 29.97 | 52.33 | a | |||||||||
1950 | 28.50 | 37.02 | 40.47 | 49.55 | 56.63 | 64.83 | 74.62 | a | 72.08 | 63.17 | 54.76 | 44.95 | 37.44 | 52.00 | ||||||||||||
1951 | 33.53 | 36.27 | 39.03 | 52.02 | 57.15 | 66.17 | 73.84 | 70.50 | 64.74 | a | 48.77 | 39.58 | 29.02 | a | 50.88 | |||||||||||
1952 | 29.39 | 36.60 | 35.41 | b | 50.57 | 57.16 | 61.22 | 73.68 | 70.03 | 64.22 | 55.53 | 35.12 | a | 33.50 | 50.20 | |||||||||||
1953 | 40.27 | 36.85 | a | 41.69 | 46.73 | 50.32 | 60.97 | a | 74.38 | a | 68.53 | 66.53 | 50.31 | 43.38 | 31.24 | 50.94 | ||||||||||
1954 | 34.63 | 39.43 | 38.50 | 53.15 | 61.69 | 63.48 | 73.90 | 66.89 | 59.75 | d | 49.35 | a | 41.88 | 29.19 | 50.99 | |||||||||||
1955 | 21.76 | 30.25 | 39.40 | a | 44.71 | a | 55.19 | 66.36 | a | 70.07 | a | 71.57 | b | 60.21 | d | 52.63 | 37.13 | 35.98 | 48.77 | |||||||
1956 | 35.18 | 30.64 | 42.00 | 50.87 | 59.16 | 65.95 | 74.22 | a | 69.55 | 63.67 | 51.12 | b | 37.65 | 30.45 | 50.87 | |||||||||||
1957 | 24.85 | 40.41 | a | 43.65 | 47.91 | a | 55.84 | 68.42 | 73.13 | 68.52 | 65.25 | 50.34 | 36.57 | 35.00 | c | 50.82 | ||||||||||
1958 | 34.00 | 43.89 | a | 38.42 | 47.90 | a | 62.42 | 67.02 | 72.71 | 76.56 | 64.07 | 54.61 | 41.02 | 38.32 | a | 53.41 | ||||||||||
1959 | 37.21 | 35.89 | 44.00 | a | 52.32 | 53.81 | 68.33 | 76.16 | 70.84 | 60.87 | 51.87 | 37.90 | 29.00 | 51.52 | ||||||||||||
1960 | 28.27 | 34.95 | 45.05 | 49.15 | 55.73 | 70.48 | 76.73 | 70.57 | a | 64.82 | 50.77 | 41.82 | b | 32.90 | 51.77 | |||||||||||
1961 | 33.50 | 39.39 | 42.64 | b | 48.05 | a | 55.45 | b | 71.93 | 74.66 | 73.39 | 58.52 | a | 51.95 | 35.70 | 33.94 | 51.59 | |||||||||
1962 | 24.24 | 32.96 | 39.82 | 53.42 | 55.50 | 65.32 | 71.81 | 69.97 | 64.43 | 53.52 | 42.88 | a | 34.27 | 50.68 | ||||||||||||
1963 | 25.52 | 44.96 | 40.29 | 43.75 | 59.63 | 61.73 | 69.82 | 69.82 | 65.73 | 56.52 | 41.23 | 34.16 | 51.10 | |||||||||||||
1964 | 31.98 | 32.38 | 38.10 | 46.25 | 54.22 | b | 61.59 | a | 73.11 | 69.84 | 58.50 | b | 55.55 | 37.18 | b | 37.35 | a | 49.67 | ||||||||
1965 | 34.76 | 35.85 | b | 39.68 | a | 49.75 | 53.66 | 63.60 | 72.53 | 68.87 | a | 57.62 | 53.55 | a | 41.80 | 31.45 | 50.26 | |||||||||
1966 | 32.35 | 32.93 | 43.92 | 51.05 | a | 62.48 | a | 64.93 | 71.47 | 73.15 | 64.20 | 51.53 | 43.14 | a | 32.37 | 51.96 | ||||||||||
1967 | 34.24 | 38.70 | 41.50 | 40.88 | 56.82 | 63.15 | 74.32 | 75.72 | a | 66.02 | 51.61 | 43.28 | 27.92 | 51.18 | ||||||||||||
1968 | 29.53 | 42.33 | 41.95 | 45.85 | 56.85 | 67.58 | 75.60 | 65.66 | 61.47 | 50.10 | 39.10 | 29.90 | 50.49 | |||||||||||||
1969 | 34.06 | 32.16 | 38.98 | 48.52 | 61.68 | 64.10 | 72.81 | 71.05 | 63.37 | 45.02 | 37.69 | a | 32.48 | 50.16 | ||||||||||||
1970 | 34.11 | 40.07 | 39.58 | 41.28 | 56.42 | 65.10 | 73.34 | 71.63 | 56.53 | a | 45.53 | 40.73 | 29.81 | 49.51 | ||||||||||||
1971 | 32.69 | 36.41 | 40.40 | 46.82 | 54.19 | 63.38 | 74.66 | 74.85 | 59.02 | 46.94 | 38.02 | 25.98 | 49.45 | |||||||||||||
1972 | 26.26 | 38.28 | 46.23 | 46.97 | a | 58.44 | 67.20 | 74.15 | a | 73.05 | 61.30 | 51.45 | a | 38.26 | a | 25.08 | 50.55 | |||||||||
1973 | 27.05 | 37.41 | 39.61 | 46.70 | 59.89 | 67.28 | 73.40 | 70.03 | 59.92 | 49.27 | 40.88 | 37.27 | 50.73 | |||||||||||||
1974 | 29.45 | 35.04 | 44.83 | a | 46.00 | 58.11 | 68.86 | a | 71.89 | 70.34 | 64.17 | 51.69 | 39.84 | a | 31.15 | 50.95 | ||||||||||
1975 | 30.45 | a | 34.93 | 39.66 | 40.45 | 54.39 | 62.50 | 72.97 | 67.03 | 64.60 | 49.74 | 36.28 | 34.35 | 48.95 | ||||||||||||
1976 | 30.94 | 38.12 | a | 38.58 | 46.64 | a | 60.29 | 63.32 | 71.61 | 64.44 | 63.05 | 50.47 | 41.81 | a | 28.90 | 49.85 | ||||||||||
1977 | 27.69 | 38.09 | 38.11 | 50.62 | 50.87 | 71.02 | 72.85 | a | 73.47 | 61.52 | 52.79 | 41.75 | 38.05 | 51.40 | ||||||||||||
1978 | 35.97 | 38.30 | 47.50 | 46.37 | 53.73 | 62.97 | 72.23 | 70.57 | a | 58.03 | 54.08 | 35.76 | a | 24.77 | 50.02 | |||||||||||
1979 | 26.38 | a | 36.63 | a | 43.47 | 47.75 | 59.48 | 66.60 | 73.00 | 69.84 | 65.24 | a | 55.42 | 35.10 | 32.89 | 50.98 | ||||||||||
1980 | 33.60 | 40.79 | a | 38.87 | 50.57 | 55.61 | 61.60 | 72.58 | 68.50 | 63.50 | 52.73 | 41.40 | 34.81 | 51.21 | ||||||||||||
1981 | 34.77 | 39.00 | 41.32 | 51.92 | 57.08 | 69.15 | 72.74 | 72.66 | 65.22 | a | 47.89 | 42.43 | 38.16 | 52.70 | ||||||||||||
1982 | 23.95 | a | 36.02 | a | 39.90 | 45.31 | a | 56.87 | 63.88 | a | 71.31 | 71.58 | 60.77 | 47.97 | 35.30 | 31.18 | a | 48.67 | ||||||||
1983 | 34.08 | 39.13 | a | 42.27 | a | 43.33 | 54.68 | 62.83 | 67.29 | 70.39 | 63.02 | 52.84 | 40.26 | a | 34.70 | a | 50.40 | |||||||||
1984 | 24.22 | a | 34.84 | 42.95 | 45.12 | a | 58.48 | c | 62.81 | c | 74.98 | c | 73.62 | b | 63.93 | b | 46.57 | b | 39.70 | 28.42 | 49.64 | |||||
1985 | 23.83 | a | 31.28 | a | 38.22 | b | 51.48 | d | 57.22 | b | 71.09 | a | 76.03 | a | 68.62 | c | 57.50 | a | 49.47 | a | 34.85 | 30.33 | e | 49.16 | ||
1986 | 38.60 | j | 40.39 | f | 47.08 | g | 49.28 | a | 57.11 | 70.35 | 71.13 | a | 74.53 | 56.64 | a | 50.80 | a | 39.60 | 31.13 | 55.62 | c | |||||
1987 | 27.70 | a | 35.86 | 41.85 | 54.61 | b | 60.08 | 68.17 | a | 70.69 | 72.47 | 65.30 | 55.95 | 43.90 | i | 30.53 | 53.02 | a | ||||||||
1988 | 25.05 | a | 35.12 | 41.65 | a | 49.54 | c | 54.48 | c | 66.28 | a | 75.82 | 72.93 | a | 60.86 | a | 56.84 | 40.03 | a | 27.97 | 50.55 | |||||
1989 | 22.65 | a | 29.11 | a | 44.35 | a | 53.33 | d | 56.07 | a | 66.07 | a | 72.48 | 68.75 | a | 61.80 | b | 49.32 | a | 40.09 | m | 31.00 | 50.45 | a | ||
1990 | 31.37 | 29.98 | b | 43.68 | 54.17 | 55.20 | a | 64.48 | 73.94 | 70.97 | a | 65.82 | 50.83 | d | 39.94 | l | 18.92 | e | 50.85 | a | ||||||
1991 | 26.33 | a | 41.25 | 40.18 | 45.82 | 52.59 | c | 62.95 | 75.65 | 72.05 | 65.81 | a | 54.02 | 40.21 | a | 28.95 | a | 50.48 | ||||||||
1992 | 31.57 | b | 41.36 | a | 45.92 | 55.33 | 66.10 | 67.42 | 72.16 | 73.11 | 63.42 | 52.73 | p | 36.08 | 26.27 | 52.61 | a | |||||||||
1993 | 21.77 | 30.50 | 47.92 | a | 49.66 | a | 60.73 | a | 62.42 | 68.29 | b | 70.80 | h | 63.08 | 52.37 | a | 36.81 | l | 31.18 | 48.79 | b | |||||
1994 | 34.13 | 35.21 | 46.55 | 51.68 | 61.37 | 68.59 | a | 77.74 | 72.17 | a | 64.47 | 50.19 | 33.27 | 30.90 | 52.19 | |||||||||||
1995 | 37.21 | 44.48 | 42.98 | 47.22 | 54.97 | 62.09 | a | 71.73 | a | 71.27 | 65.64 | a | 51.85 | a | ----- | z | ----- | z | 54.94 | b | ||||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.69 | r | 72.23 | 60.27 | 51.03 | 40.75 | 35.13 | d | 51.88 | g | ||||
1997 | 32.24 | b | 34.89 | 43.94 | 46.35 | 60.84 | 64.27 | 70.89 | 70.63 | 62.92 | 48.34 | 40.80 | c | 29.90 | e | 50.50 | ||||||||||
1998 | 35.58 | f | 36.13 | b | 41.03 | 45.47 | 49.90 | a | 60.70 | 73.47 | 71.71 | 63.20 | 46.76 | 37.39 | h | 26.90 | g | 54.26 | c | |||||||
1999 | 33.03 | 37.15 | a | 39.70 | a | 45.62 | d | 51.93 | c | 62.83 | c | 70.71 | 67.85 | 63.32 | 49.90 | 42.92 | e | 29.26 | f | 51.36 | a | |||||
2000 | 34.02 | 40.28 | 43.32 | 51.03 | 57.58 | 66.80 | 70.00 | 69.94 | 61.02 | f | 50.53 | 33.12 | 32.13 | 49.89 | a | |||||||||||
2001 | 27.37 | 33.55 | 45.90 | 47.25 | 61.94 | 65.80 | 71.74 | 71.52 | 63.70 | e | 54.02 | 40.89 | g | 33.15 | h | 54.28 | b | |||||||||
2002 | 32.95 | 36.55 | 40.12 | a | 50.03 | 55.85 | 66.23 | 75.02 | 68.52 | 61.17 | f | 46.39 | i | 38.76 | c | 34.60 | e | 49.86 | b | |||||||
2003 | 41.47 | 34.25 | 44.21 | 45.33 | a | 58.70 | c | 70.75 | l | 77.36 | f | 71.27 | ----- | z | 54.97 | 35.78 | 34.44 | 46.71 | c | |||||||
2004 | 31.40 | a | 34.52 | e | 48.55 | 51.08 | 56.77 | 66.19 | a | 74.02 | 71.55 | ----- | z | 40.75 | q | 38.27 | 30.00 | 50.23 | b | |||||||
2005 | 25.31 | 33.36 | 43.92 | 46.77 | 57.81 | 61.45 | ----- | z | 74.35 | 59.07 | ----- | z | 41.20 | h | 30.84 | l | 50.25 | d | ||||||||
2006 | 32.66 | 35.80 | 37.03 | l | 49.40 | 60.63 | ----- | z | ----- | z | ----- | z | 61.72 | 50.24 | 39.65 | 29.45 | 44.94 | d | ||||||||
2007 | 25.16 | 37.80 | 45.98 | 53.69 | n | 59.79 | 67.38 | 78.31 | 68.53 | 53.20 | 48.89 | 44.03 | 31.39 | 50.95 | a | |||||||||||
2008 | 25.05 | 37.69 | 41.56 | 45.00 | 52.73 | 66.80 | 73.95 | 74.31 | 63.78 | 51.32 | 45.45 | 27.11 | 50.40 | |||||||||||||
2009 | 33.02 | b | 37.05 | 40.89 | 46.73 | 62.55 | 66.28 | 73.81 | 69.58 | a | 64.67 | 50.31 | 39.08 | 21.08 | 50.42 | |||||||||||
2010 | 33.42 | 39.86 | j | 40.91 | i | 45.58 | 49.79 | c | 65.50 | 83.06 | 69.16 | 62.18 | 52.32 | a | 34.85 | 34.82 | c | 53.07 | b | |||||||
2011 | 31.25 | c | 30.80 | c | 41.66 | c | 44.53 | a | 50.95 | 62.78 | 73.11 | 70.37 | a | 64.83 | 51.08 | 35.53 | 26.00 | 48.58 | ||||||||
2012 | 30.82 | 34.53 | 43.06 | 49.80 | 59.84 | 68.03 | 76.82 | 71.76 | 63.57 | 52.45 | 39.15 | 30.27 | 51.68 | |||||||||||||
2013 | 17.55 | a | 33.55 | 43.65 | 50.50 | 58.15 | 67.53 | 77.13 | 70.95 | 63.77 | 46.29 | 39.98 | 21.65 | 49.22 | ||||||||||||
2014 | 33.92 | 40.12 | 44.77 | 50.77 | 58.18 | 69.87 | 80.95 | 72.11 | 65.02 | 52.92 | 39.60 | 36.18 | 53.70 | |||||||||||||
2015 | 35.44 | 42.04 | 47.50 | 47.45 | 57.66 | 72.18 | 74.08 | 72.06 | 63.35 | 56.00 | 35.92 | 31.92 | 52.97 | |||||||||||||
2016 | 31.98 | 40.24 | 47.47 | 52.73 | 57.56 | 70.62 | 73.58 | 72.65 | 61.28 | 50.44 | 42.82 | 29.42 | 52.57 | |||||||||||||
2017 | 29.65 | 39.30 | 45.65 | 47.72 | 58.58 | 68.72 | 77.79 | 75.32 | 62.50 | 47.81 | 42.32 | 30.39 | 52.14 | |||||||||||||
2018 | 38.92 | 32.79 | 40.35 | 50.43 | 59.19 | 67.53 | 78.45 | 73.76 | 62.97 | 49.03 | 36.68 | 32.50 | 51.88 | |||||||||||||
2019 | 34.68 | 32.88 | 41.47 | 50.53 | 53.97 | 65.72 | 73.65 | 73.56 | 60.88 | 43.18 | 39.43 | 34.19 | 50.34 | |||||||||||||
2020 | 36.94 | 36.29 | 41.69 | 50.07 | 59.29 | 66.00 | 75.23 | 76.53 | 66.02 | 52.68 | 39.03 | 31.48 | 52.60 | |||||||||||||
2021 | 34.23 | 37.04 | 40.10 | 49.52 | 57.47 | 74.33 | 79.69 | 72.29 | 67.29 | w | 48.03 | o | 43.42 | 31.98 | 52.01 | b | ||||||||||
2022 | 33.11 | 34.29 | 44.19 | 47.35 | 54.32 | 66.98 | 77.65 | 76.37 | 66.97 | a | 52.02 | 31.80 | 31.42 | 51.37 | ||||||||||||
2023 | 31.55 | 32.80 | 36.58 | 47.13 | 58.92 | 62.98 | 74.68 | 72.53 | 66.09 | a | 52.64 | f | 43.95 | 33.55 | 50.98 | a | ||||||||||
2024 | ----- | z | 36.86 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.86 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.52 | 35.98 | 41.83 | 48.41 | 57.09 | 65.58 | 73.70 | 71.19 | 62.55 | 51.06 | 39.11 | 31.44 | 50.66 | |||||||||||||
S.D. | 5.05 | 3.79 | 2.94 | 3.20 | 3.25 | 3.12 | 2.63 | 2.42 | 2.76 | 2.80 | 3.20 | 3.72 | 1.26 | |||||||||||||
SKEW | -0.86 | -0.11 | 0.16 | -0.11 | -0.04 | 0.38 | 0.71 | -0.10 | -0.81 | -0.32 | -0.24 | -0.73 | 0.09 | |||||||||||||
MAX | 41.47 | 44.96 | 48.55 | 55.33 | 66.10 | 74.33 | 83.06 | 76.56 | 66.97 | 56.84 | 45.45 | 38.32 | 53.70 | |||||||||||||
MIN | 11.02 | 26.09 | 34.84 | 40.45 | 49.79 | 59.22 | 67.29 | 64.44 | 53.20 | 43.18 | 31.80 | 18.92 | 47.77 | |||||||||||||
YRS | 84 | 85 | 83 | 85 | 87 | 86 | 85 | 87 | 84 | 83 | 80 | 83 | 64 |