YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1928 | 36.23 | a | 45.72 | 58.39 | 61.93 | 80.63 | a | 79.33 | 93.03 | 88.17 | a | 78.79 | a | 66.34 | b | 51.23 | 41.32 | c | 65.09 | |||||||
1929 | 31.37 | d | 35.56 | c | 58.50 | c | 60.87 | 74.42 | 79.87 | 90.37 | a | 92.48 | 76.66 | a | 63.54 | c | 44.43 | b | 46.31 | e | 62.86 | |||||
1930 | 21.80 | f | 52.46 | b | 60.10 | b | 71.38 | a | 71.57 | c | 81.54 | b | 96.35 | 95.00 | a | 82.10 | a | 63.48 | 50.70 | 40.63 | a | 69.58 | a | |||
1931 | 48.67 | a | 51.96 | 59.58 | 70.10 | 83.03 | 83.00 | a | 97.61 | 94.94 | 80.93 | 64.58 | 44.00 | b | 36.29 | 67.89 | ||||||||||
1932 | 38.03 | 41.17 | 51.81 | 59.93 | c | 64.37 | d | 76.70 | 88.35 | 90.42 | 85.23 | 70.35 | 56.97 | 41.55 | 63.74 | |||||||||||
1933 | 48.03 | 43.89 | 59.26 | 68.03 | 70.48 | 83.93 | 94.45 | 93.03 | 78.40 | 74.10 | 54.03 | 51.65 | 68.27 | |||||||||||||
1934 | 53.42 | 57.14 | 68.48 | 76.30 | 80.26 | 81.28 | a | 88.77 | a | 92.00 | a | 79.07 | a | 67.48 | b | 53.70 | 45.26 | 70.26 | ||||||||
1935 | 44.83 | a | 49.54 | 56.00 | 61.03 | 71.39 | 78.90 | 86.61 | 85.32 | 81.63 | 61.58 | 43.57 | 36.06 | 63.04 | ||||||||||||
1936 | 41.97 | 26.83 | 52.32 | 66.17 | 75.90 | 79.27 | 88.03 | 86.71 | 76.30 | 69.19 | 46.30 | 46.10 | 62.92 | |||||||||||||
1937 | 23.55 | 42.64 | 55.90 | 59.30 | 72.13 | 77.73 | 89.10 | 83.16 | 78.87 | 67.61 | 52.17 | 42.65 | 62.07 | |||||||||||||
1938 | 40.61 | 41.57 | 53.87 | 63.53 | 72.06 | 82.00 | 91.48 | 84.94 | 82.93 | 64.23 | 46.43 | 43.63 | a | 63.94 | ||||||||||||
1939 | 47.23 | 43.86 | 55.55 | 66.83 | 74.55 | 76.87 | 89.32 | 90.10 | 79.30 | 65.13 | 54.37 | 48.48 | 65.96 | |||||||||||||
1940 | 36.16 | 47.97 | 59.52 | 63.57 | 76.39 | 85.40 | 87.16 | 88.06 | 77.63 | 67.10 | 41.93 | 43.68 | 64.55 | |||||||||||||
1941 | 38.97 | 50.07 | 61.19 | 65.20 | 69.42 | 76.50 | 92.23 | 84.29 | 69.43 | 59.52 | 53.43 | 45.55 | 63.82 | |||||||||||||
1942 | 27.42 | 44.46 | 55.42 | 64.83 | 67.26 | 75.20 | 88.97 | 89.71 | 80.37 | 67.84 | 46.57 | 45.58 | 62.80 | |||||||||||||
1943 | 32.52 | 42.86 | 51.13 | 63.70 | 65.74 | 72.60 | 87.23 | 82.26 | 80.93 | 62.84 | 45.37 | 36.42 | 60.30 | |||||||||||||
1944 | 38.74 | 46.21 | 55.13 | 63.73 | 71.48 | 75.43 | 86.42 | 82.68 | 79.80 | 71.94 | 49.27 | 37.10 | 63.16 | |||||||||||||
1945 | 41.10 | 46.71 | 50.97 | 59.10 | 70.52 | 76.70 | 90.03 | 87.55 | 73.33 | 66.35 | 49.33 | 39.42 | 62.59 | |||||||||||||
1946 | 45.16 | 49.61 | 53.00 | 63.73 | 72.55 | 75.00 | 86.19 | 86.00 | 73.00 | 57.61 | 45.40 | 43.77 | 62.59 | |||||||||||||
1947 | 38.45 | 48.57 | 58.32 | 64.07 | 77.32 | 74.93 | 84.61 | 82.58 | 76.80 | 62.65 | 46.90 | 43.48 | 63.22 | |||||||||||||
1948 | 39.58 | 43.21 | 49.71 | 57.67 | 64.29 | 80.20 | 82.29 | 81.39 | 73.30 | 61.42 | 49.90 | 36.03 | 59.92 | |||||||||||||
1949 | 23.81 | 41.36 | 51.68 | 66.80 | 74.39 | 78.57 | 85.16 | 83.61 | 77.07 | 59.23 | 53.30 | 43.19 | 61.51 | |||||||||||||
1950 | 24.48 | 40.71 | 50.42 | 59.50 | 68.13 | 74.63 | 87.35 | 87.19 | 78.10 | 60.81 | 48.23 | 44.58 | 60.35 | |||||||||||||
1951 | 40.48 | 44.96 | 49.81 | 64.90 | 70.90 | 78.33 | 88.42 | 84.32 | 78.10 | 60.06 | 48.27 | 36.77 | 62.11 | |||||||||||||
1952 | 35.32 | 46.24 | 51.58 | 67.20 | 71.10 | 75.63 | 88.94 | 85.06 | 79.77 | 69.84 | 40.97 | 41.87 | 62.79 | |||||||||||||
1953 | 52.35 | 48.71 | 54.74 | 59.10 | 66.13 | 70.93 | 87.42 | 83.32 | 80.53 | 65.00 | 54.17 | 46.26 | 64.06 | |||||||||||||
1954 | 41.68 | 45.21 | 50.48 | 60.77 | 72.00 | 73.77 | 86.26 | 80.55 | 74.47 | 61.94 | 54.40 | 42.00 | 61.96 | |||||||||||||
1955 | 39.29 | 44.54 | 48.35 | 56.37 | 66.45 | 80.40 | 82.81 | 87.97 | 76.23 | 63.03 | 42.57 | 40.26 | 60.69 | |||||||||||||
1956 | 41.16 | 35.55 | 52.77 | 66.80 | 72.71 | 76.13 | 91.23 | 85.10 | 78.67 | 60.81 | 43.47 | 43.48 | 62.32 | |||||||||||||
1957 | 26.52 | 43.57 | 52.10 | 63.60 | 72.19 | 80.60 | 85.39 | 82.65 | 80.23 | 57.32 | 50.30 | 48.94 | 61.95 | |||||||||||||
1958 | 44.16 | 55.04 | 53.03 | 59.53 | 77.77 | 83.10 | 92.81 | 91.90 | 75.67 | 67.52 | 49.67 | 44.71 | 66.24 | |||||||||||||
1959 | 43.42 | 44.54 | 55.26 | 63.63 | 67.35 | 79.07 | 90.10 | 82.84 | 71.87 | 64.45 | 48.47 | 39.58 | 62.55 | |||||||||||||
1960 | 32.58 | 47.41 | 53.74 | 62.97 | 67.71 | 82.20 | 94.81 | 82.45 | 77.90 | 64.74 | 50.90 | 35.26 | 62.72 | |||||||||||||
1961 | 43.16 | 53.36 | 55.00 | 60.83 | 68.87 | 87.73 | 91.45 | 92.19 | 72.97 | 61.84 | 45.90 | 42.68 | 64.67 | |||||||||||||
1962 | 40.10 | 47.50 | 51.94 | 66.00 | 63.39 | 79.87 | 88.45 | 83.29 | 79.13 | 62.55 | 52.77 | 45.42 | 63.37 | |||||||||||||
1963 | 34.65 | 50.25 | 54.94 | 56.90 | 70.94 | 78.43 | 82.55 | 86.32 | 81.07 | 66.94 | 51.60 | 37.06 | 62.64 | |||||||||||||
1964 | 47.35 | 50.69 | 52.45 | 59.83 | 69.87 | 77.27 | 87.48 | 82.39 | 75.97 | 64.00 | 45.87 | 39.48 | 62.72 | |||||||||||||
1965 | 39.90 | 48.79 | 51.35 | 63.87 | 70.58 | 78.63 | 88.55 | 84.65 | 72.97 | 69.84 | 51.30 | 43.65 | 63.67 | |||||||||||||
1966 | 44.35 | 47.11 | 55.71 | 64.27 | 74.23 | 77.70 | 85.16 | 87.55 | 79.83 | 66.06 | 52.93 | 47.26 | 65.18 | |||||||||||||
1967 | 48.84 | 52.07 | 52.87 | 55.70 | 71.58 | 83.97 | 91.87 | 96.29 | 84.33 | 67.13 | 49.23 | 44.23 | 66.51 | |||||||||||||
1968 | 45.55 | 49.93 | 59.29 | 60.53 | 71.94 | 80.40 | 93.03 | 82.97 | 78.63 | 61.90 | 48.73 | 39.26 | 64.35 | |||||||||||||
1969 | 28.16 | 41.43 | 54.55 | 60.77 | 74.90 | 83.40 | 88.32 | 86.03 | 77.43 | 59.87 | 52.47 | 40.45 | 62.32 | |||||||||||||
1970 | 38.32 | 45.89 | 53.35 | 56.50 | 71.39 | 83.03 | 90.81 | 89.06 | 69.00 | 58.42 | 48.67 | 42.77 | 62.27 | |||||||||||||
1971 | 47.42 | 48.82 | 49.94 | 61.70 | 73.58 | 74.87 | 92.16 | 92.29 | 71.77 | 62.90 | 51.80 | 43.32 | 64.21 | |||||||||||||
1972 | 41.29 | 44.45 | 57.45 | 58.67 | 73.87 | 81.50 | 89.84 | 91.26 | 74.77 | 62.19 | 50.07 | 34.45 | 63.32 | |||||||||||||
1973 | 38.87 | 45.64 | 55.61 | 62.77 | 75.52 | 81.23 | 91.65 | 86.71 | 76.80 | 63.52 | 48.47 | 47.81 | 64.55 | |||||||||||||
1974 | 36.87 | 51.82 | 55.71 | 61.33 | 68.10 | 86.47 | 87.94 | 90.35 | 83.70 | 67.42 | 51.87 | 47.77 | 65.78 | |||||||||||||
1975 | 43.42 | 46.11 | 53.87 | 57.43 | 71.84 | 78.67 | 93.03 | 84.26 | 83.30 | 63.71 | 51.00 | 46.84 | 64.46 | |||||||||||||
1976 | 45.58 | 45.72 | 52.68 | 61.03 | 72.48 | 77.07 | 88.26 | 79.77 | 81.70 | 65.84 | 49.33 | 43.77 | 63.60 | |||||||||||||
1977 | 30.90 | 49.39 | 52.71 | 69.30 | 65.97 | 83.53 | 84.84 | 89.32 | 69.03 | 60.71 | 46.43 | 39.81 | 61.83 | |||||||||||||
1978 | 36.58 | 45.18 | 55.23 | 57.17 | 65.61 | 80.30 | 86.77 | 81.84 | 71.37 | 65.13 | 41.73 | 36.35 | 60.27 | |||||||||||||
1979 | 20.45 | 45.18 | 55.52 | 60.33 | 72.10 | 81.00 | 89.06 | 83.52 | 79.90 | 64.94 | 39.83 | 45.90 | 61.48 | |||||||||||||
1980 | 31.55 | 42.21 | 49.42 | 63.60 | 67.29 | 72.03 | 86.97 | 81.23 | 76.33 | 61.97 | 48.57 | 45.97 | 60.59 | |||||||||||||
1981 | 39.84 | 46.21 | 54.87 | 60.43 | 65.90 | 72.27 | 83.58 | 89.97 | 77.13 | 61.26 | 53.00 | 43.39 | 62.32 | |||||||||||||
1982 | 42.29 | 46.46 | 52.61 | 58.97 | 68.74 | 79.27 | 84.84 | 84.65 | 72.60 | 60.74 | 43.77 | 40.19 | 61.26 | |||||||||||||
1983 | 47.84 | 51.07 | 55.84 | 59.73 | 70.74 | 74.67 | 81.74 | 86.10 | 71.13 | 63.06 | 52.87 | 29.23 | 62.00 | |||||||||||||
1984 | 41.42 | 46.66 | 55.39 | 57.83 | 65.48 | 72.90 | 88.55 | 85.71 | 72.17 | 59.16 | 47.97 | 36.45 | 60.81 | |||||||||||||
1985 | 28.77 | 41.57 | 52.55 | 64.27 | 70.61 | 79.33 | 92.55 | 81.52 | 68.00 | 60.77 | 33.47 | 23.45 | 58.07 | |||||||||||||
1986 | 42.16 | 45.32 | 57.84 | 60.60 | 69.97 | 83.90 | 80.16 | 90.26 | 68.80 | 66.13 | 48.57 | 35.61 | 62.44 | |||||||||||||
1987 | 37.13 | 46.21 | 55.10 | 65.90 | 71.39 | 82.23 | 82.19 | 85.94 | 80.97 | 68.71 | 50.90 | 39.65 | 63.86 | |||||||||||||
1988 | 38.48 | 51.28 | 54.55 | 62.53 | 69.00 | 75.93 | 86.71 | 84.90 | 76.90 | 71.10 | 51.30 | 39.74 | 63.54 | |||||||||||||
1989 | 45.03 | 32.79 | 50.77 | 63.53 | 67.19 | 79.77 | 84.97 | 81.32 | 77.87 | 63.23 | 53.00 | 39.13 | 61.55 | |||||||||||||
1990 | 45.32 | 46.54 | 56.52 | 66.17 | 67.06 | 77.43 | 90.29 | 84.74 | 82.93 | 61.71 | 53.43 | 34.52 | 63.89 | |||||||||||||
1991 | 38.32 | 52.89 | 51.94 | 60.23 | 63.84 | 70.80 | 86.48 | 87.84 | 79.67 | 63.45 | 47.60 | 42.19 | 62.10 | |||||||||||||
1992 | 45.00 | 49.41 | 58.74 | 63.47 | 77.06 | 83.90 | 84.71 | 86.90 | 74.50 | 65.45 | 45.37 | 38.29 | 64.40 | |||||||||||||
1993 | 31.68 | 34.79 | 50.55 | 59.93 | 73.58 | 74.73 | 76.74 | 81.84 | 79.13 | 66.65 | 45.07 | 41.03 | 59.64 | |||||||||||||
1994 | 48.65 | 42.00 | 58.71 | 65.47 | 71.77 | 78.03 | 90.65 | 85.81 | 81.13 | 62.68 | 47.10 | 41.65 | 64.47 | |||||||||||||
1995 | 41.06 | 49.86 | 55.65 | 58.67 | 69.94 | 74.57 | 87.00 | 82.55 | 80.60 | 60.97 | 53.90 | 40.00 | 62.90 | |||||||||||||
1996 | 41.87 | 45.71 | a | 52.65 | 63.67 | 65.45 | 78.40 | 91.42 | 87.84 | 74.27 | 62.03 | 47.87 | 42.65 | 62.82 | ||||||||||||
1997 | 39.32 | 45.21 | 54.87 | 58.93 | 72.97 | 76.03 | 86.32 | 89.00 | 79.03 | 63.32 | 50.37 | 40.42 | 62.98 | |||||||||||||
1998 | 46.29 | 51.54 | 56.19 | 62.10 | 66.52 | 78.77 | 93.16 | 91.13 | 81.50 | 63.10 | 52.20 | 43.10 | 65.47 | |||||||||||||
1999 | 47.58 | 50.54 | 53.65 | 59.90 | 66.74 | 77.40 | 86.48 | 87.19 | 78.73 | 64.61 | 54.43 | 43.58 | 64.24 | |||||||||||||
2000 | 40.84 | 45.69 | 54.00 | 67.10 | 70.13 | 80.67 | 87.48 | 87.10 | 74.60 | 59.65 | 41.37 | 35.26 | 61.99 | |||||||||||||
2001 | 36.77 | 42.21 | 54.97 | 57.53 | 73.58 | 75.43 | 85.81 | 89.45 | 82.03 | 62.65 | 49.50 | 42.23 | 62.68 | |||||||||||||
2002 | 43.23 | 48.86 | 49.87 | 62.07 | 69.00 | 80.37 | 90.97 | 85.35 | 77.97 | 61.29 | 49.00 | 44.58 | 63.55 | |||||||||||||
2003 | 45.26 | 46.54 | 57.55 | 60.40 | 69.39 | 83.33 | 93.48 | 88.71 | 80.20 | 68.71 | 47.73 | 41.60 | a | 65.24 | ||||||||||||
2004 | 33.65 | 47.10 | 61.06 | 65.43 | 69.55 | 80.70 | 91.16 | 88.26 | 75.07 | 66.84 | 51.50 | 46.68 | 64.75 | |||||||||||||
2005 | 42.16 | 48.93 | 58.32 | 61.93 | 70.39 | 76.93 | 90.06 | 89.19 | 75.57 | 64.68 | 45.63 | 36.77 | 63.38 | |||||||||||||
2006 | 49.68 | 45.86 | 53.61 | 62.27 | 72.48 | 78.57 | 92.65 | 87.39 | 78.83 | 62.13 | 50.47 | 38.42 | 64.36 | |||||||||||||
2007 | 36.97 | 45.46 | 57.00 | 60.83 | 72.55 | 78.53 | 92.06 | 84.87 | 75.33 | 61.74 | 48.47 | 42.45 | 63.02 | |||||||||||||
2008 | 39.61 | 49.55 | 52.23 | 58.47 | 71.61 | 77.73 | 87.94 | 85.74 | 78.30 | 64.03 | 52.20 | 36.84 | 62.85 | |||||||||||||
2009 | 39.77 | 43.21 | 49.39 | 60.97 | 72.16 | 78.73 | 91.81 | 86.87 | 80.43 | 58.52 | 51.67 | 33.65 | 62.26 | |||||||||||||
2010 | 45.97 | 51.43 | 57.84 | 60.90 | 65.03 | 73.50 | 87.77 | 85.97 | 76.00 | 63.13 | 45.53 | 41.13 | 62.85 | |||||||||||||
2011 | 42.61 | 44.93 | 53.71 | 55.63 | 64.77 | 72.40 | 83.71 | 88.81 | 83.20 | 63.00 | 51.00 | 40.48 | 62.02 | |||||||||||||
2012 | 46.19 | 45.00 | 54.77 | 64.07 | 70.13 | 74.80 | 89.13 | 90.58 | 81.57 | 63.81 | 49.97 | 43.90 | 64.49 | |||||||||||||
2013 | 36.61 | 48.50 | 56.84 | 61.10 | 72.16 | 79.40 | 93.29 | 89.35 | 77.93 | 61.68 | 47.50 | 39.26 | 63.64 | |||||||||||||
2014 | 41.23 | 39.11 | 57.13 | 63.47 | 74.61 | 79.03 | 94.45 | 89.10 | 79.53 | 70.16 | 45.10 | 41.94 | 64.57 | |||||||||||||
2015 | 42.16 | 53.57 | 61.61 | 61.73 | 73.77 | 89.27 | 91.65 | 87.81 | 75.23 | 69.03 | 45.57 | 43.48 | 66.24 | |||||||||||||
2016 | 41.90 | 53.03 | 57.68 | 69.43 | 73.68 | 82.10 | 85.97 | 88.32 | 74.60 | 61.81 | 55.70 | 35.35 | 64.96 | |||||||||||||
2017 | 29.06 | 42.82 | 54.65 | 59.83 | 70.84 | 79.37 | 92.84 | 92.06 | 78.37 | 63.19 | 51.93 | 36.61 | 62.63 | |||||||||||||
2018 | 46.48 | 46.50 | 56.19 | 62.87 | 77.45 | 79.87 | 92.94 | 88.58 | 76.33 | 62.16 | 49.23 | 43.74 | 65.20 | |||||||||||||
2019 | 42.35 | 33.96 | 44.94 | 62.13 | 72.00 | 80.37 | 87.03 | 88.84 | 74.63 | 59.13 | 50.00 | 43.29 | 61.56 | |||||||||||||
2020 | 49.81 | 52.17 | 54.32 | 66.43 | 72.68 | 79.37 | 89.90 | 88.35 | 81.37 | 66.26 | 50.73 | 43.06 | 66.20 | |||||||||||||
2021 | 47.23 | 41.86 | 57.68 | 65.67 | 72.65 | 88.27 | 94.35 | 87.52 | 78.47 | 64.23 | 53.70 | 42.16 | 66.15 | |||||||||||||
2022 | 40.90 | 48.54 | 57.19 | 56.23 | 65.77 | 78.03 | 94.19 | 95.06 | 82.60 | 71.94 | 42.87 | 37.42 | 64.23 | |||||||||||||
2023 | 46.87 | 46.32 | 52.48 | 60.33 | 76.87 | 83.43 | 92.84 | 88.52 | 77.47 | 65.58 | 48.37 | 45.03 | 65.34 | |||||||||||||
2024 | 37.39 | 49.83 | 58.55 | 63.41 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.59 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.14 | 46.17 | 54.74 | 62.29 | 70.98 | 78.89 | 88.85 | 86.94 | 77.56 | 64.06 | 48.92 | 41.27 | 63.36 | |||||||||||||
S.D. | 6.65 | 4.91 | 3.45 | 3.66 | 3.88 | 3.77 | 3.73 | 3.60 | 3.77 | 3.42 | 4.00 | 4.39 | 1.90 | |||||||||||||
SKEW | -0.75 | -0.98 | 0.48 | 0.75 | 0.34 | 0.23 | -0.34 | 0.29 | -0.49 | 0.54 | -0.80 | -0.80 | 0.49 | |||||||||||||
MAX | 53.42 | 57.14 | 68.48 | 76.30 | 83.03 | 89.27 | 97.61 | 96.29 | 85.23 | 74.10 | 56.97 | 51.65 | 70.26 | |||||||||||||
MIN | 20.45 | 26.83 | 44.94 | 55.63 | 63.39 | 70.80 | 76.74 | 79.77 | 68.00 | 57.32 | 33.47 | 23.45 | 58.07 | |||||||||||||
YRS | 96 | 97 | 97 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 |