YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.32 | k | 41.09 | b | 41.09 | k |
1937 | 31.77 | 42.12 | b | 44.26 | d | 57.20 | 67.57 | a | 74.03 | 79.87 | 81.71 | 72.78 | 60.95 | 46.97 | 38.10 | b | 58.11 | |||||||||
1938 | 38.40 | b | 41.69 | b | 52.00 | 59.96 | c | 66.02 | 74.00 | 78.37 | 81.06 | 70.30 | 61.06 | 45.10 | 41.31 | 59.11 | ||||||||||
1939 | 40.63 | 35.12 | 50.60 | 58.57 | 67.18 | 77.62 | 78.77 | 76.44 | 73.68 | 59.94 | 45.58 | 40.42 | 58.71 | |||||||||||||
1940 | 32.24 | d | 41.33 | 50.39 | 57.20 | b | 66.65 | 75.37 | 81.47 | 76.32 | 74.37 | 63.47 | 44.70 | b | 41.09 | b | 58.71 | |||||||||
1941 | 39.94 | d | 43.57 | 44.60 | b | 55.05 | 65.63 | 70.70 | 74.32 | 75.66 | 68.65 | f | 58.45 | i | 48.58 | 39.74 | 55.78 | b | ||||||||
1942 | 38.89 | c | 38.54 | 46.09 | b | 55.48 | b | 63.82 | 72.88 | 77.00 | 73.85 | 65.13 | c | 55.79 | c | 49.90 | d | 40.02 | b | 56.45 | ||||||
1943 | 38.56 | d | 45.04 | e | 47.12 | b | 59.77 | 63.08 | 74.88 | 77.24 | 78.47 | 69.23 | 61.00 | 47.02 | b | 31.76 | b | 57.76 | ||||||||
1944 | 36.31 | 41.78 | 46.44 | 53.45 | 64.65 | 74.80 | 78.37 | 78.61 | 70.48 | 60.60 | 48.47 | 35.58 | a | 57.46 | ||||||||||||
1945 | 37.90 | 45.17 | b | 49.69 | ----- | z | 67.84 | b | 73.27 | 79.32 | a | 79.23 | 72.50 | b | 60.29 | 49.93 | 39.35 | 59.50 | a | |||||||
1946 | 39.16 | 43.98 | 51.34 | 64.18 | 64.15 | 77.78 | 80.24 | 77.61 | 72.82 | b | 60.32 | 45.75 | d | 44.60 | b | 60.16 | ||||||||||
1947 | ----- | z | ----- | z | 46.83 | h | 54.92 | f | 65.88 | a | 74.60 | 81.18 | 79.42 | 74.90 | o | 63.55 | 42.95 | b | 38.65 | 63.75 | e | |||||
1948 | 34.13 | a | 37.67 | 41.93 | a | 61.52 | 67.42 | 76.03 | 80.98 | a | 79.42 | 75.00 | a | 60.56 | 44.81 | a | 42.83 | a | 58.53 | |||||||
1949 | 29.17 | b | 40.38 | 49.19 | 55.47 | 65.98 | c | 73.03 | a | 78.31 | b | 76.79 | b | 71.33 | a | 59.15 | 53.90 | 38.98 | 57.64 | |||||||
1950 | 42.58 | 46.12 | 48.92 | 59.73 | d | 66.73 | 76.67 | 76.08 | 75.55 | 68.70 | 67.08 | 49.52 | b | 43.52 | 60.10 | |||||||||||
1951 | 37.41 | b | 42.79 | b | 47.10 | b | 54.37 | 66.40 | a | 74.08 | 82.23 | 79.32 | 72.25 | 61.62 | a | 45.90 | a | 39.65 | a | 58.59 | ||||||
1952 | 43.05 | a | 45.00 | 46.89 | 57.43 | 67.97 | 82.32 | e | 79.37 | 81.03 | 72.43 | 61.34 | 44.40 | 39.19 | 60.04 | |||||||||||
1953 | 47.79 | 42.44 | a | 53.47 | 58.32 | 64.60 | 82.10 | 81.39 | 77.90 | 73.77 | 61.37 | 50.15 | 38.88 | k | 63.03 | a | ||||||||||
1954 | 42.48 | d | 50.83 | a | 48.84 | 63.58 | 65.44 | 78.78 | 83.44 | 79.37 | 75.27 | 62.77 | 51.70 | 43.95 | 62.20 | |||||||||||
1955 | 39.76 | 40.93 | 50.21 | 58.33 | 66.10 | 74.05 | 78.39 | 78.77 | 73.78 | a | 63.60 | 49.63 | 45.06 | 59.88 | ||||||||||||
1956 | 43.71 | 40.64 | 52.00 | 58.50 | 72.17 | a | 80.15 | 79.65 | 78.53 | 75.22 | 63.63 | 47.38 | a | 43.19 | b | 61.23 | ||||||||||
1957 | 41.48 | 51.41 | 50.77 | 55.15 | 64.00 | 76.18 | 82.08 | 78.89 | 70.43 | 59.05 | 43.82 | 45.84 | 59.93 | |||||||||||||
1958 | 39.32 | 45.38 | 42.56 | 54.83 | 68.90 | 77.98 | 80.53 | 79.21 | 71.90 | 59.58 | 51.00 | 42.71 | 59.49 | |||||||||||||
1959 | 35.60 | 42.38 | 50.42 | a | 56.17 | 66.98 | 77.00 | 78.44 | 78.88 | a | 71.48 | 58.58 | 47.87 | 42.24 | 58.84 | |||||||||||
1960 | 37.55 | b | 38.62 | 48.85 | 60.17 | 66.72 | a | 76.30 | 75.42 | 77.80 | a | 72.17 | 60.24 | 50.05 | 36.53 | 58.37 | ||||||||||
1961 | 37.92 | 43.05 | 49.16 | 55.68 | 67.16 | 75.68 | 76.65 | 76.26 | 68.10 | 60.08 | 45.71 | a | 38.61 | 57.84 | ||||||||||||
1962 | 35.11 | 47.62 | 45.95 | 60.08 | 70.34 | 73.87 | 77.81 | 80.13 | 72.38 | 63.40 | 51.22 | 43.03 | 60.08 | |||||||||||||
1963 | 32.74 | 44.61 | 50.15 | 60.83 | 68.75 | a | 75.82 | 82.87 | 78.26 | 73.67 | 66.40 | b | 51.33 | 38.08 | 60.29 | |||||||||||
1964 | 39.77 | 34.79 | 46.52 | 57.65 | 68.48 | 77.00 | 82.37 | a | 79.61 | 71.72 | 63.56 | 49.37 | 42.74 | 59.47 | ||||||||||||
1965 | 43.68 | 41.73 | 43.23 | a | 60.35 | 65.90 | 74.12 | 80.73 | a | 77.10 | 69.71 | a | 61.37 | 54.20 | 44.00 | 59.68 | ||||||||||
1966 | 35.00 | 39.70 | 51.89 | 59.31 | a | 68.85 | 74.55 | 83.37 | 75.53 | 73.73 | 60.26 | 52.95 | 39.21 | 59.53 | ||||||||||||
1967 | 41.97 | 43.95 | 55.70 | a | 62.20 | 65.55 | a | 73.97 | a | 79.48 | 75.26 | 69.88 | 63.82 | 49.85 | 37.00 | 59.89 | ||||||||||
1968 | 41.13 | 43.50 | 46.92 | 53.86 | a | 63.45 | 76.67 | 77.03 | a | 75.40 | 68.70 | 60.61 | 46.15 | 38.52 | 57.66 | |||||||||||
1969 | 42.90 | 41.93 | 39.44 | 58.70 | 66.05 | 71.22 | 81.02 | 79.66 | 70.87 | 55.05 | 47.12 | 41.56 | 57.96 | |||||||||||||
1970 | 36.81 | 43.93 | 43.40 | 54.17 | 67.40 | 73.37 | 79.24 | 79.32 | 68.82 | b | 54.29 | 47.30 | 43.28 | a | 57.61 | |||||||||||
1971 | 38.10 | 40.39 | 48.08 | 55.90 | 64.81 | 77.10 | 77.70 | a | 73.68 | 67.22 | 58.10 | b | 48.70 | 38.37 | 57.35 | |||||||||||
1972 | 39.21 | 43.31 | 53.40 | 59.67 | 65.60 | 76.22 | 76.52 | 74.97 | 69.02 | 58.83 | a | 39.40 | 36.27 | 57.70 | ||||||||||||
1973 | 33.97 | 39.20 | 46.15 | 49.70 | 62.90 | 73.41 | a | 77.24 | 76.60 | 68.03 | 61.05 | 50.52 | 39.42 | a | 56.52 | |||||||||||
1974 | 36.05 | 41.00 | 54.35 | 59.40 | 72.87 | 77.67 | 80.15 | a | 75.45 | 66.47 | 61.75 | a | 48.83 | 38.63 | 59.39 | |||||||||||
1975 | 39.48 | 41.14 | 49.89 | 56.08 | 65.13 | 75.48 | 76.71 | 78.68 | 68.77 | 62.53 | 49.20 | 43.29 | 58.87 | |||||||||||||
1976 | 40.68 | 49.74 | 50.87 | 60.53 | 64.82 | 75.85 | 77.39 | 77.56 | 70.42 | 55.90 | 44.32 | 40.77 | a | 59.07 | ||||||||||||
1977 | 34.84 | 45.07 | 48.74 | 58.98 | 68.65 | 79.15 | 80.98 | 79.63 | 74.02 | 63.31 | 51.52 | 46.37 | 60.94 | |||||||||||||
1978 | 35.97 | 39.73 | 51.52 | 63.07 | 66.89 | 76.73 | 81.69 | 77.85 | 70.75 | 63.31 | d | 49.47 | l | 36.78 | o | 62.75 | b | |||||||||
1979 | 31.95 | j | 43.18 | i | 50.18 | 58.10 | 65.68 | 73.40 | 79.82 | 76.80 | a | 72.15 | 64.21 | 43.57 | a | 43.48 | 62.74 | b | ||||||||
1980 | 40.40 | 43.52 | b | 49.57 | d | 55.97 | 64.61 | 80.45 | 85.10 | a | 79.47 | 71.93 | a | 57.98 | 46.15 | 44.97 | 60.01 | |||||||||
1981 | 41.60 | 45.00 | c | 48.03 | 61.92 | 64.82 | 78.37 | 80.55 | 75.56 | 69.37 | 59.13 | 52.98 | 41.85 | a | 59.93 | |||||||||||
1982 | 38.53 | a | 38.34 | 49.81 | 56.50 | a | 64.12 | a | 71.52 | 78.25 | a | 78.13 | 71.40 | a | 56.78 | a | 44.66 | a | 37.24 | 57.11 | ||||||
1983 | 37.46 | c | 38.79 | 47.63 | 51.73 | 61.41 | b | 71.00 | 80.65 | 80.16 | 74.37 | 60.98 | 50.55 | i | 29.97 | l | 60.42 | b | ||||||||
1984 | 34.24 | j | 42.72 | f | 46.85 | e | 54.23 | 67.87 | 74.48 | 79.85 | 77.10 | 69.20 | 54.60 | 48.23 | 39.03 | a | 61.14 | b | ||||||||
1985 | 34.84 | b | 36.92 | b | 50.35 | 59.45 | 67.15 | 74.75 | 79.85 | 78.79 | 69.18 | 58.23 | 47.90 | i | 37.69 | 58.84 | a | |||||||||
1986 | 44.45 | 43.61 | 55.19 | b | 60.38 | 66.42 | a | 73.53 | 79.55 | 78.56 | 70.73 | 56.98 | 45.41 | a | 38.11 | 59.41 | ||||||||||
1987 | 36.55 | a | 43.98 | 45.86 | b | 57.17 | a | 65.03 | 74.48 | 79.73 | 76.47 | 69.63 | 61.16 | 46.77 | 35.40 | 57.69 | ||||||||||
1988 | 34.89 | 42.57 | 48.58 | 56.47 | 65.79 | 75.23 | 78.02 | 77.27 | 67.98 | 61.80 | a | 50.47 | 37.53 | 58.05 | ||||||||||||
1989 | 39.63 | 37.02 | a | 54.08 | 60.90 | 69.71 | 73.13 | 79.37 | 77.10 | 69.20 | 60.95 | 50.60 | 34.35 | 58.84 | ||||||||||||
1990 | 36.65 | 41.04 | 47.32 | 57.32 | 64.69 | 81.88 | 78.08 | 75.50 | 71.85 | 59.48 | 50.78 | 33.32 | a | 58.16 | ||||||||||||
1991 | 35.42 | 47.30 | 51.03 | 58.35 | 68.19 | 75.98 | 76.06 | 76.50 | 67.63 | 60.29 | 42.75 | b | 38.68 | 58.18 | ||||||||||||
1992 | 37.22 | d | 45.43 | a | 52.27 | 61.66 | a | 65.73 | 73.05 | a | 78.68 | a | 75.95 | 72.35 | 62.48 | 42.78 | a | 36.15 | a | 58.65 | ||||||
1993 | 36.38 | e | 40.15 | d | 50.85 | a | 57.85 | 66.98 | 75.27 | 80.48 | 76.89 | 70.60 | 59.55 | 42.33 | a | 40.47 | a | 58.15 | ||||||||
1994 | 39.43 | a | 39.98 | a | 49.57 | a | 57.13 | 66.31 | 80.55 | 81.13 | 81.05 | 72.77 | 60.18 | a | 48.04 | c | 43.55 | a | 59.97 | |||||||
1995 | 39.13 | a | 48.11 | a | 49.28 | f | 54.31 | a | 64.50 | 74.17 | 79.94 | 81.18 | 70.82 | 61.21 | 51.41 | b | 42.75 | c | 60.68 | a | ||||||
1996 | 38.72 | b | 46.07 | a | 47.09 | b | 58.81 | a | 72.98 | a | 78.48 | 79.18 | 77.42 | 68.50 | 58.61 | 49.07 | c | 40.17 | a | 59.59 | ||||||
1997 | 34.64 | c | 38.96 | b | 53.00 | a | 51.37 | 65.48 | 74.08 | 80.30 | a | 78.11 | 73.75 | 60.83 | b | 46.03 | 33.83 | d | 57.53 | |||||||
1998 | 42.42 | 42.46 | c | 47.73 | a | 54.34 | b | 71.37 | 79.20 | 81.98 | 77.52 | 76.42 | 62.02 | 52.04 | c | 42.98 | e | 60.87 | ||||||||
1999 | 41.97 | 47.71 | b | 49.57 | a | 56.31 | c | 63.81 | 74.03 | 80.45 | 77.98 | 69.27 | 59.94 | 54.50 | c | 39.00 | b | 59.54 | ||||||||
2000 | 42.07 | d | 49.00 | e | 51.30 | f | 60.58 | 72.67 | a | 76.50 | 81.32 | a | 81.90 | 75.13 | c | 58.93 | b | 41.57 | b | 37.62 | a | 61.57 | a | |||
2001 | 33.70 | c | 44.41 | a | 47.92 | a | 62.10 | a | 67.02 | 77.23 | 82.85 | 77.85 | 72.27 | 60.60 | b | 50.97 | 41.64 | c | 59.88 | |||||||
2002 | 40.58 | e | 41.04 | d | 48.58 | a | 62.82 | b | 69.24 | b | 81.52 | 80.82 | 81.63 | 71.57 | b | 57.71 | 46.97 | a | 39.26 | d | 60.14 | |||||
2003 | 42.91 | b | 41.59 | 52.42 | a | 61.03 | a | 70.90 | b | 74.53 | a | 84.39 | 81.84 | 72.12 | a | 64.08 | 51.28 | g | 42.08 | e | 62.54 | a | ||||
2004 | 40.80 | h | 40.35 | c | 55.02 | a | 57.09 | a | 70.77 | 77.26 | a | 78.18 | a | 75.75 | a | 70.96 | c | 60.43 | d | 45.63 | c | 41.42 | f | 63.14 | b | |
2005 | 42.12 | g | 45.58 | i | 46.47 | b | 58.06 | d | 65.05 | c | 77.07 | a | 80.83 | a | 75.53 | b | 73.68 | b | 61.35 | d | 51.25 | d | 40.06 | f | 65.48 | c |
2006 | 44.23 | k | 44.32 | c | 49.71 | e | ----- | z | 71.98 | 80.93 | 82.65 | 77.13 | 67.47 | a | 58.98 | b | 50.35 | c | 39.22 | b | 62.27 | b | ||||
2007 | 33.83 | b | 43.81 | b | 52.83 | d | 57.07 | h | 66.41 | b | 76.29 | a | 81.11 | 82.25 | a | 73.64 | a | 62.93 | c | 50.36 | b | 39.89 | c | 60.30 | a | |
2008 | 38.00 | a | 44.24 | d | 48.33 | j | 57.44 | f | 66.33 | a | 78.66 | a | 78.83 | b | 77.77 | a | 70.28 | a | 60.26 | f | 50.17 | 38.33 | g | 63.03 | d | |
2009 | 42.37 | a | 47.04 | c | 53.56 | e | 59.38 | e | 69.65 | h | 77.03 | 81.26 | 79.17 | b | 70.05 | b | 55.27 | g | 52.21 | a | 35.00 | e | 59.71 | b | ||
2010 | 38.38 | b | 35.43 | a | 46.87 | d | 60.35 | c | 66.50 | h | 80.35 | f | 81.13 | d | 79.94 | 76.67 | 63.26 | 48.98 | 44.34 | b | 57.53 | b | ||||
2011 | 39.50 | 37.86 | 53.53 | b | 61.91 | a | 65.85 | 81.20 | 85.63 | 84.23 | 72.13 | 60.47 | 48.90 | 32.89 | 60.34 | |||||||||||
2012 | 43.35 | a | 42.41 | 54.65 | 63.02 | 70.13 | a | 79.50 | a | 82.83 | a | 81.22 | a | 71.80 | e | 60.60 | ----- | z | 41.98 | e | 62.86 | a | ||||
2013 | 37.23 | ----- | z | 49.93 | c | 56.35 | 69.41 | b | 81.90 | e | 79.10 | 80.55 | 73.63 | 58.27 | 46.68 | 36.92 | a | 60.91 | a | |||||||
2014 | 38.68 | 41.20 | 48.97 | 57.75 | 67.34 | 77.68 | 79.90 | 79.27 | 71.33 | a | 63.39 | 44.83 | a | 39.75 | a | 59.17 | ||||||||||
2015 | 36.67 | a | 42.34 | 50.05 | 60.13 | 64.76 | 78.67 | 82.06 | 79.21 | 76.65 | 61.83 | a | 47.93 | 41.05 | a | 60.11 | ||||||||||
2016 | 38.66 | 45.72 | 53.21 | 57.67 | a | 65.13 | e | 79.73 | 85.87 | 77.50 | 72.57 | 65.82 | 52.60 | a | 38.20 | a | 61.06 | |||||||||
2017 | 38.00 | 49.09 | a | 56.37 | 58.33 | 66.22 | a | 79.07 | 83.05 | 76.17 | a | 71.29 | b | 59.94 | 53.23 | 41.45 | a | 61.02 | ||||||||
2018 | 38.39 | 43.79 | 52.16 | 57.60 | 73.68 | 81.82 | 82.44 | 79.82 | a | 72.67 | 57.17 | a | 44.85 | 38.45 | 60.23 | |||||||||||
2019 | 38.31 | 42.30 | 47.21 | 58.32 | 63.48 | b | 75.88 | 82.42 | 82.54 | c | 77.23 | 54.92 | a | 46.02 | a | 41.81 | 59.20 | |||||||||
2020 | 40.65 | d | 40.28 | 52.81 | 57.70 | 71.58 | 80.23 | 81.66 | c | 80.50 | b | 68.53 | 60.12 | e | 52.45 | 40.06 | 60.55 | |||||||||
2021 | 37.97 | a | 35.72 | a | 49.53 | a | 57.33 | 66.63 | 78.33 | a | 78.55 | b | 79.00 | a | 76.30 | 61.98 | a | 52.28 | a | 48.47 | a | 60.17 | ||||
2022 | 37.61 | 37.20 | f | 49.08 | a | 60.59 | a | 70.68 | 78.35 | 84.05 | 77.85 | g | 75.16 | b | 60.19 | 45.80 | 38.71 | c | 60.02 | b | ||||||
2023 | 40.27 | 41.27 | 48.85 | 57.32 | 68.05 | a | 74.60 | a | 81.74 | 81.98 | b | 75.67 | a | 62.48 | a | 48.55 | b | 42.66 | b | 60.29 | ||||||
2024 | 35.39 | 45.21 | a | 49.52 | 58.87 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.37 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.49 | 42.59 | 49.44 | 58.13 | 66.96 | 76.44 | 80.13 | 78.34 | 71.59 | 60.62 | 48.22 | 40.08 | 59.15 | |||||||||||||
S.D. | 3.26 | 3.53 | 3.25 | 2.87 | 2.59 | 2.81 | 2.31 | 2.14 | 2.57 | 2.55 | 3.25 | 3.23 | 1.23 | |||||||||||||
SKEW | -0.06 | 0.11 | -0.34 | -0.31 | 0.70 | 0.28 | 0.08 | 0.21 | 0.05 | -0.23 | -0.24 | -0.15 | -0.10 | |||||||||||||
MAX | 47.79 | 51.41 | 56.37 | 64.18 | 73.68 | 82.32 | 85.87 | 84.23 | 77.23 | 67.08 | 54.50 | 48.47 | 62.20 | |||||||||||||
MIN | 29.17 | 34.79 | 39.44 | 49.70 | 61.41 | 70.70 | 74.32 | 73.68 | 65.13 | 54.29 | 39.40 | 31.76 | 56.45 | |||||||||||||
YRS | 82 | 82 | 84 | 82 | 85 | 86 | 87 | 86 | 85 | 84 | 82 | 82 | 65 |