YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | 35.42 | s | 56.85 | a | 51.53 | ----- | z | 68.52 | a | ----- | z | ----- | z | ----- | z | ----- | z | 59.43 | a | 48.64 | b | 42.52 | 54.58 | f | ||
1931 | 43.74 | 47.95 | 49.12 | f | 58.23 | b | 66.79 | 74.27 | b | ----- | z | 73.39 | ----- | z | 67.77 | 52.38 | b | 43.65 | d | 58.68 | c | |||||
1932 | 44.38 | a | 52.81 | b | 45.37 | l | 65.00 | a | 69.15 | d | 77.91 | a | 78.98 | 78.87 | 69.67 | 59.66 | 55.47 | 43.32 | 63.20 | a | ||||||
1933 | 47.67 | g | 41.14 | g | 56.39 | d | 57.68 | b | 67.12 | k | 76.52 | h | 80.24 | 82.25 | a | 78.25 | 71.76 | 62.73 | d | 52.98 | 67.79 | d | ||||
1934 | 46.03 | 50.43 | 50.95 | a | 65.67 | a | 70.95 | 79.22 | 78.10 | 75.57 | a | 69.70 | 65.06 | 56.47 | 44.32 | a | 62.71 | |||||||||
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.39 | 55.21 | a | 47.38 | b | 54.66 | i | |
1943 | 45.38 | e | 50.20 | c | 53.38 | b | 66.67 | 74.58 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.91 | h | |
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 | 82.92 | l | 81.65 | 81.58 | 74.07 | 62.81 | 49.43 | 50.31 | 66.64 | f | ||||||
1949 | 33.58 | 48.89 | 56.82 | 60.02 | 73.44 | 79.58 | 82.42 | 78.69 | 72.45 | 60.39 | 56.17 | 43.10 | 62.13 | |||||||||||||
1950 | 49.13 | 52.30 | 54.69 | 63.18 | 71.30 | a | 79.80 | 79.10 | 79.77 | 73.25 | 68.39 | 53.02 | 48.81 | 64.40 | ||||||||||||
1951 | 42.67 | a | 48.25 | 53.21 | 61.50 | 72.08 | 80.47 | 84.82 | 82.52 | 75.48 | 67.11 | 50.87 | 47.56 | 63.88 | ||||||||||||
1952 | 50.79 | 48.95 | 52.90 | a | 61.98 | 71.26 | 82.78 | 79.89 | 84.85 | 73.72 | 62.79 | 47.85 | 44.16 | 63.49 | ||||||||||||
1953 | 52.42 | 47.11 | 58.74 | 63.10 | 70.45 | 84.12 | 84.13 | 81.69 | 75.65 | 64.15 | 53.07 | 40.58 | 64.60 | |||||||||||||
1954 | 48.06 | 53.88 | 55.13 | 67.73 | 70.02 | 80.28 | 83.85 | 80.52 | 77.55 | 65.60 | 54.18 | 46.11 | 65.24 | |||||||||||||
1955 | 42.63 | 44.87 | b | 56.35 | 65.53 | 72.68 | 78.98 | 79.98 | 79.63 | 75.58 | 64.19 | 51.92 | 48.82 | 63.43 | ||||||||||||
1956 | 46.97 | 44.07 | 56.97 | a | 61.47 | 75.42 | 82.93 | 82.77 | 80.61 | 76.10 | 66.44 | 48.53 | 47.11 | 64.12 | ||||||||||||
1957 | 46.06 | 56.38 | 55.58 | 61.02 | 69.95 | 80.72 | 84.10 | 82.40 | 75.06 | c | 59.02 | f | 47.20 | 47.32 | 64.16 | a | ||||||||||
1958 | 41.44 | 46.88 | 49.00 | 61.72 | 73.73 | 82.53 | 83.24 | 81.16 | 72.25 | 60.11 | 51.47 | 42.82 | 62.20 | |||||||||||||
1959 | 43.40 | 46.52 | 53.76 | 62.78 | 74.24 | 81.20 | 81.60 | 83.68 | 77.48 | 63.34 | 49.10 | 46.32 | 63.62 | |||||||||||||
1960 | 42.35 | 44.76 | 53.85 | 63.70 | 71.19 | 81.65 | 78.00 | 79.65 | 75.32 | 64.92 | 52.75 | 37.63 | 62.15 | |||||||||||||
1961 | 40.02 | 47.82 | 54.79 | b | 62.83 | 73.37 | 78.37 | 79.89 | 79.94 | 74.17 | 64.65 | 46.90 | 45.40 | 62.34 | ||||||||||||
1962 | 38.82 | 54.38 | 51.61 | 65.20 | 76.08 | 79.22 | 81.76 | 82.68 | 74.60 | 65.19 | 52.68 | 43.97 | 63.85 | |||||||||||||
1963 | 38.32 | 48.45 | 55.61 | 68.10 | 74.27 | 80.23 | 85.15 | 81.34 | 74.98 | 67.21 | 53.02 | 39.85 | 63.88 | |||||||||||||
1964 | 41.56 | 41.00 | 54.32 | 64.53 | 74.44 | 80.92 | 84.90 | 83.79 | 74.03 | 63.61 | 51.52 | 46.05 | 63.39 | |||||||||||||
1965 | 47.44 | 43.48 | 48.15 | 66.25 | 72.19 | 83.13 | 88.08 | 81.60 | 75.53 | 64.79 | 57.80 | 47.60 | 64.67 | |||||||||||||
1966 | 38.63 | 43.46 | 56.61 | 64.65 | 74.60 | 79.57 | 87.34 | 79.27 | 76.33 | 59.40 | 53.45 | 40.29 | 62.80 | |||||||||||||
1967 | 40.37 | a | 46.46 | 61.58 | 70.05 | 72.05 | 80.20 | 82.82 | 79.89 | 73.28 | 64.69 | 53.40 | 40.92 | 63.81 | ||||||||||||
1968 | 44.35 | 46.62 | 52.27 | 62.65 | 72.73 | 81.70 | 80.18 | 80.27 | 73.00 | 65.79 | 51.03 | 44.10 | 62.89 | |||||||||||||
1969 | 48.73 | 48.75 | 46.44 | 65.42 | 72.48 | 79.67 | 84.60 | 84.05 | 74.63 | 60.85 | 50.18 | 45.45 | 63.44 | |||||||||||||
1970 | 42.00 | a | 47.80 | 50.02 | 61.55 | 69.84 | 77.15 | 81.44 | 80.74 | 73.03 | 58.23 | 52.53 | a | 48.13 | 61.87 | |||||||||||
1971 | 46.00 | 46.27 | 56.71 | 61.60 | 71.32 | 79.52 | 81.23 | 74.24 | 70.40 | 61.40 | 51.53 | 44.00 | 62.02 | |||||||||||||
1972 | 41.90 | 48.16 | 59.19 | 66.78 | 69.68 | 78.08 | 79.89 | 76.44 | 71.78 | 61.60 | 44.82 | 41.06 | 61.61 | |||||||||||||
1973 | 39.39 | 42.95 | 52.81 | 57.25 | 68.66 | 77.48 | 79.44 | 79.23 | 72.45 | 63.60 | 54.18 | 44.79 | 61.02 | |||||||||||||
1974 | 43.06 | 46.89 | 60.81 | 63.67 | 75.82 | 81.18 | 82.19 | 76.97 | 66.50 | 61.16 | 49.87 | 42.74 | 62.57 | |||||||||||||
1975 | 45.42 | 47.95 | 51.95 | 58.68 | 68.87 | 79.98 | 77.92 | 78.85 | 69.33 | 63.95 | 50.58 | 43.82 | a | 61.44 | ||||||||||||
1976 | 41.52 | 53.64 | 54.87 | 63.60 | 69.23 | 80.58 | 78.05 | 80.10 | 71.48 | 57.71 | 43.90 | 40.84 | 61.29 | |||||||||||||
1977 | 39.02 | 48.02 | 52.34 | 63.57 | 73.71 | 81.15 | 83.15 | 84.61 | 80.15 | 64.05 | 53.75 | 50.00 | 64.46 | |||||||||||||
1978 | 39.69 | 44.48 | 58.18 | 70.62 | 75.55 | 82.27 | 85.47 | 80.15 | 70.82 | 61.55 | 51.30 | b | 40.90 | 63.41 | ||||||||||||
1979 | 36.35 | 44.79 | 52.34 | 62.98 | 71.13 | 76.37 | 82.63 | 77.10 | 73.28 | 66.23 | 47.97 | 44.81 | 61.33 | |||||||||||||
1980 | 43.76 | 46.90 | 52.24 | 58.63 | 69.35 | 83.38 | 85.13 | 79.31 | 73.68 | 59.21 | 45.55 | 44.89 | 61.84 | |||||||||||||
1981 | 41.65 | 45.64 | 51.65 | 62.75 | 69.45 | 78.88 | 80.68 | 75.31 | 70.28 | 61.16 | ----- | z | ----- | z | 63.74 | b | ||||||||||
1982 | ----- | z | ----- | z | 56.65 | 63.22 | 69.40 | a | 79.97 | 81.90 | 81.26 | 75.05 | 60.61 | 49.35 | 40.52 | 65.79 | b | |||||||||
1983 | 38.53 | 46.86 | 54.82 | 56.93 | 69.45 | 78.08 | 82.06 | 81.15 | 76.17 | 65.13 | 54.55 | 38.53 | a | 61.86 | ||||||||||||
1984 | 39.40 | 47.38 | 54.47 | 62.53 | 74.08 | 77.62 | 78.94 | 76.82 | 69.12 | 59.37 | 50.45 | 45.39 | 61.30 | |||||||||||||
1985 | 39.55 | 43.71 | 55.08 | a | 64.02 | 71.84 | 77.33 | 79.84 | 81.35 | 71.40 | 61.15 | 54.57 | 41.50 | 61.78 | ||||||||||||
1986 | 45.68 | 50.62 | 57.74 | 67.42 | 70.90 | 76.78 | 79.34 | 79.27 | 73.27 | 61.50 | 48.53 | 41.61 | 62.72 | |||||||||||||
1987 | 41.76 | 46.71 | 50.11 | 58.37 | 68.73 | 75.72 | 79.92 | 79.77 | 71.40 | 65.08 | 50.32 | 41.39 | 60.77 | |||||||||||||
1988 | 38.97 | 46.86 | 53.35 | a | 61.90 | 70.92 | 78.45 | 79.73 | 79.06 | 73.05 | 64.52 | 54.53 | 43.03 | 62.03 | ||||||||||||
1989 | 44.44 | 45.64 | 57.68 | 66.38 | 75.56 | 79.73 | 82.81 | 80.85 | 72.45 | 65.16 | 53.53 | 38.87 | 63.59 | |||||||||||||
1990 | 45.26 | 48.91 | 54.98 | 65.42 | 72.84 | 86.23 | 79.10 | 76.98 | 74.57 | 63.55 | 54.32 | 44.69 | 63.90 | |||||||||||||
1991 | 41.79 | 50.96 | 56.92 | 65.20 | 75.45 | 80.40 | 79.06 | 79.29 | 69.17 | 64.05 | 48.53 | 44.65 | 62.96 | |||||||||||||
1992 | 41.10 | 49.43 | 56.06 | 63.95 | 68.53 | 76.68 | 81.73 | 79.82 | 75.15 | 65.97 | 47.55 | 44.69 | 62.56 | |||||||||||||
1993 | 44.90 | 47.80 | 55.52 | 64.75 | 72.58 | 81.68 | 84.94 | 82.34 | 73.77 | 62.24 | 49.10 | a | 45.52 | a | 63.76 | |||||||||||
1994 | 43.73 | 49.27 | 58.02 | 65.45 | 73.81 | 85.53 | 84.74 | 82.69 | 74.82 | 64.52 | 53.73 | 48.21 | 65.38 | |||||||||||||
1995 | 46.00 | 53.52 | 55.65 | 62.67 | 72.40 | 79.48 | 84.34 | 82.89 | 73.72 | 64.87 | 54.83 | 46.48 | 64.74 | |||||||||||||
1996 | 45.55 | 51.71 | 52.27 | 63.93 | 79.97 | 82.87 | 83.73 | 79.35 | 72.30 | 63.34 | 51.87 | 47.84 | 64.56 | |||||||||||||
1997 | 42.73 | 44.70 | 57.19 | 58.85 | 71.02 | 79.77 | 83.23 | 82.27 | 77.38 | 63.26 | 50.08 | 40.34 | 62.57 | |||||||||||||
1998 | 47.74 | 49.52 | 54.26 | 60.87 | 77.27 | 83.80 | 86.52 | 81.34 | 80.02 | 66.48 | 55.08 | 44.76 | 65.64 | |||||||||||||
1999 | 49.39 | 54.21 | 56.58 | 65.03 | 73.08 | 80.57 | 82.74 | 84.40 | 74.93 | 64.37 | 57.15 | ----- | z | 67.50 | a | |||||||||||
2000 | 48.21 | 55.34 | 58.06 | ----- | z | 78.76 | ----- | z | ----- | z | 81.83 | e | 76.77 | 62.52 | 45.48 | 40.77 | 60.86 | c | ||||||||
2001 | 40.90 | 49.12 | 52.77 | 65.68 | 75.16 | 83.02 | 85.71 | 82.08 | 76.52 | 65.53 | 53.90 | 43.65 | 64.50 | |||||||||||||
2002 | 45.98 | 45.25 | 52.95 | 69.20 | 74.45 | 83.35 | 81.97 | 82.84 | 74.43 | 61.79 | 50.23 | 44.06 | 63.88 | |||||||||||||
2003 | 46.16 | 48.11 | 56.39 | 66.50 | 74.29 | 79.57 | 82.32 | 82.42 | 74.45 | 66.37 | 54.33 | 44.73 | 64.64 | |||||||||||||
2004 | 45.66 | 44.53 | 58.40 | 61.47 | 73.94 | 78.68 | 80.02 | 77.71 | 71.88 | 63.85 | 48.10 | 43.18 | 62.29 | |||||||||||||
2005 | 47.00 | 47.61 | 52.53 | 61.35 | 70.84 | 81.23 | 82.50 | 79.10 | 77.30 | 63.32 | 54.38 | 44.47 | 63.47 | |||||||||||||
2006 | 49.15 | 48.93 | 56.77 | 68.68 | 76.65 | 81.57 | 83.53 | 79.65 | 69.73 | 62.23 | 53.30 | 42.94 | 64.43 | |||||||||||||
2007 | 39.32 | 48.05 | 57.31 | 60.15 | 68.23 | 78.17 | 79.26 | 81.00 | 75.50 | 65.77 | 52.08 | 44.95 | 62.48 | |||||||||||||
2008 | 42.03 | 51.34 | 55.69 | 63.02 | 72.69 | 83.28 | 79.84 | 79.24 | 70.83 | 63.39 | 51.77 | 45.42 | 63.21 | |||||||||||||
2009 | 45.94 | 52.41 | 58.72 | b | 64.68 | 74.56 | 81.88 | 82.18 | 81.45 | 72.72 | a | 62.53 | 53.13 | 39.29 | 64.13 | |||||||||||
2010 | 41.90 | 45.12 | 53.24 | 63.08 | 72.10 | 83.07 | 78.58 | 80.92 | 75.85 | 64.82 | 50.87 | 47.00 | 63.05 | |||||||||||||
2011 | 42.68 | 45.43 | 60.85 | 69.20 | 72.24 | 84.98 | 85.95 | 87.39 | 75.43 | 65.02 | 53.25 | 38.68 | 65.09 | |||||||||||||
2012 | 46.97 | 47.12 | 58.85 | 68.85 | 73.48 | 83.33 | 82.00 | 82.85 | 74.25 | 63.61 | 54.93 | 45.87 | 65.18 | |||||||||||||
2013 | 42.44 | 47.61 | 56.85 | 63.38 | 72.82 | 83.98 | 80.40 | 82.16 | 74.88 | 62.44 | 50.13 | 42.71 | 63.32 | |||||||||||||
2014 | 43.26 | 49.50 | 55.71 | 63.57 | 71.87 | 83.93 | 83.90 | 82.19 | 72.75 | 65.61 | 50.02 | 45.71 | 64.00 | |||||||||||||
2015 | 41.60 | a | 47.82 | 54.77 | 63.02 | 68.65 | 80.62 | 84.77 | 84.47 | 78.98 | 64.95 | 52.83 | c | 44.47 | a | 63.91 | ||||||||||
2016 | 42.47 | 49.40 | 57.31 | 63.32 | 70.35 | 81.18 | 86.94 | 78.68 | 72.45 | 66.63 | 54.23 | b | 45.02 | 64.00 | ||||||||||||
2017 | 46.65 | 54.46 | 61.18 | 65.30 | 71.74 | 81.98 | 82.65 | 78.58 | 74.32 | 63.31 | 55.85 | 44.18 | 65.02 | |||||||||||||
2018 | 40.37 | 48.18 | 57.73 | 63.72 | 76.79 | 83.65 | 82.94 | 81.66 | 73.38 | 62.42 | 48.68 | 43.69 | 63.60 | |||||||||||||
2019 | 44.50 | 49.86 | 53.40 | 64.43 | 70.66 | 79.15 | 83.08 | 85.76 | 78.78 | 60.29 | 50.33 | 45.30 | a | 63.80 | ||||||||||||
2020 | 45.63 | 46.52 | 58.08 | 64.43 | 75.05 | 82.02 | 86.85 | 85.03 | 71.78 | 63.05 | 55.15 | 43.00 | 64.72 | |||||||||||||
2021 | 42.34 | 43.30 | 55.18 | 60.88 | 72.85 | 81.08 | 79.44 | 78.84 | 75.95 | 65.79 | 53.22 | 53.76 | 63.55 | |||||||||||||
2022 | 41.29 | 40.44 | b | 53.43 | b | 66.50 | 75.95 | a | 82.47 | 85.74 | 80.81 | 75.47 | 62.31 | 48.05 | 46.37 | 63.24 | ||||||||||
2023 | 45.89 | 46.93 | 56.16 | 62.37 | 72.31 | 83.87 | 86.95 | 84.45 | 79.58 | 65.85 | 53.27 | 47.27 | 65.41 | |||||||||||||
2024 | 42.97 | 51.76 | 57.44 | 62.67 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.72 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.48 | 48.21 | 55.14 | 63.65 | 72.41 | 80.68 | 82.27 | 80.68 | 74.01 | 63.58 | 51.83 | 44.36 | 63.34 | |||||||||||||
S.D. | 3.44 | 3.40 | 2.95 | 2.97 | 2.63 | 2.40 | 2.58 | 2.59 | 2.69 | 2.48 | 3.21 | 3.10 | 1.20 | |||||||||||||
SKEW | -0.00 | 0.41 | -0.30 | -0.02 | 0.34 | -0.12 | 0.21 | -0.25 | -0.05 | 0.06 | 0.07 | 0.34 | -0.16 | |||||||||||||
MAX | 52.42 | 56.85 | 61.58 | 70.62 | 79.97 | 86.23 | 88.08 | 87.39 | 80.15 | 71.76 | 62.73 | 53.76 | 65.64 | |||||||||||||
MIN | 33.58 | 40.44 | 46.44 | 56.93 | 66.79 | 74.27 | 77.92 | 73.39 | 66.50 | 57.71 | 43.90 | 37.63 | 60.77 | |||||||||||||
YRS | 79 | 80 | 80 | 79 | 79 | 77 | 78 | 80 | 79 | 81 | 81 | 80 | 71 |