YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.79 | f | 37.00 | 37.00 | k | |
1923 | 45.16 | 43.64 | 58.35 | 66.03 | 72.13 | 77.93 | 93.23 | 91.77 | 85.30 | 64.90 | 54.30 | 40.23 | 66.08 | |||||||||||||
1924 | 32.26 | 52.21 | 53.77 | 67.33 | 83.80 | a | 85.43 | b | 92.68 | 90.13 | 81.60 | 67.71 | 50.73 | 28.38 | b | 65.50 | ||||||||||
1925 | 36.63 | a | 50.04 | 58.84 | 67.50 | 77.47 | a | 83.55 | a | 95.48 | 88.43 | a | 79.70 | 65.10 | 50.73 | 39.00 | 66.04 | |||||||||
1926 | 37.27 | a | 50.39 | 61.39 | 71.37 | 74.68 | 88.27 | 94.26 | 89.61 | 74.33 | 71.13 | 54.38 | q | 38.71 | 68.31 | a | ||||||||||
1927 | 38.55 | 50.43 | 57.35 | 64.70 | 73.03 | 85.80 | 95.03 | 91.87 | 77.77 | 69.10 | 55.97 | 37.58 | 66.43 | |||||||||||||
1928 | 35.80 | a | 42.31 | 59.70 | a | 65.07 | b | 84.68 | 83.27 | 96.94 | 92.32 | 85.33 | 70.35 | 52.57 | 37.84 | 67.18 | ||||||||||
1929 | 31.90 | 35.86 | 58.84 | 63.93 | 78.97 | 81.13 | 95.66 | b | 99.10 | 80.03 | 73.03 | 53.10 | 46.52 | 66.51 | ||||||||||||
1930 | 26.06 | 48.32 | 60.13 | 73.50 | 72.97 | 83.47 | 96.13 | 94.32 | 80.90 | 66.97 | 49.43 | 34.73 | a | 65.58 | ||||||||||||
1931 | 38.03 | 47.21 | 57.29 | 67.27 | 78.90 | 83.80 | 96.35 | 95.84 | 80.33 | 70.32 | 48.77 | 34.71 | 66.57 | |||||||||||||
1932 | 34.32 | 40.10 | 52.71 | 66.60 | 73.52 | 84.13 | 89.52 | 89.35 | 85.70 | 66.58 | 50.73 | 34.52 | 63.98 | |||||||||||||
1933 | 38.39 | 33.50 | 54.94 | 65.70 | 69.29 | 87.07 | 95.87 | 91.03 | 78.33 | 74.03 | 53.47 | 47.23 | 65.74 | |||||||||||||
1934 | 47.23 | 55.11 | 65.81 | 75.50 | 83.77 | 83.69 | a | 96.00 | 94.10 | 79.10 | 68.19 | 54.73 | 39.81 | 70.25 | ||||||||||||
1935 | 38.16 | 43.00 | 54.68 | 63.47 | 74.26 | 83.20 | 91.10 | 90.65 | 84.70 | 67.87 | 43.20 | 33.42 | 63.97 | |||||||||||||
1936 | 37.71 | 37.07 | 53.55 | 69.77 | 79.32 | 84.30 | 92.71 | 92.61 | 80.87 | 72.32 | 49.83 | 43.32 | 66.12 | |||||||||||||
1937 | 25.13 | 40.61 | 57.77 | 62.73 | 78.13 | 81.13 | 94.68 | 90.74 | 82.97 | 70.68 | 54.40 | 45.42 | 65.37 | |||||||||||||
1938 | 46.29 | 50.43 | 53.45 | 66.60 | 72.90 | 84.07 | 90.90 | 89.74 | 85.37 | 67.32 | 46.53 | 41.52 | 66.26 | |||||||||||||
1939 | 42.16 | 42.00 | 60.81 | 71.83 | 80.58 | 82.07 | 94.00 | 94.10 | 82.70 | 66.19 | 53.60 | 47.16 | 68.10 | |||||||||||||
1940 | 40.52 | 48.14 | 59.55 | 66.13 | 80.32 | 89.90 | a | 94.35 | 94.48 | 77.73 | 68.03 | 45.83 | 44.23 | 67.43 | ||||||||||||
1941 | 40.19 | ----- | z | 64.03 | 66.93 | 73.94 | 77.90 | 91.32 | 86.19 | 75.23 | 66.16 | 53.13 | 43.58 | 67.15 | a | |||||||||||
1942 | 29.13 | 42.75 | 55.29 | 68.30 | 68.52 | 76.80 | 91.29 | 88.23 | 79.60 | 68.23 | 50.83 | 41.42 | 63.37 | |||||||||||||
1943 | 38.03 | 48.75 | 54.16 | 70.80 | 69.97 | 76.20 | 88.52 | 86.06 | 83.17 | 66.90 | 52.27 | 43.10 | 64.83 | |||||||||||||
1944 | 35.16 | 46.72 | 56.52 | 65.50 | 74.10 | 75.37 | 86.58 | 86.52 | 78.47 | 70.97 | 48.37 | 38.16 | 63.54 | |||||||||||||
1945 | 39.84 | 52.46 | 56.52 | 64.77 | 72.48 | 76.43 | 90.06 | 88.32 | 75.37 | 69.87 | 52.90 | 41.71 | 65.06 | |||||||||||||
1946 | 42.19 | 45.29 | 59.23 | 69.33 | 75.19 | 82.30 | 92.71 | 90.65 | 77.97 | 60.23 | 48.07 | 44.26 | 65.62 | |||||||||||||
1947 | 35.10 | 51.36 | 60.61 | 65.63 | 80.65 | 75.53 | 95.42 | 90.90 | 79.77 | 67.32 | 47.77 | 40.58 | 65.89 | |||||||||||||
1948 | 44.35 | 45.62 | 52.52 | 62.77 | 71.61 | 83.97 | 88.61 | 88.36 | f | 79.83 | f | 67.87 | a | 48.66 | a | 34.23 | 60.02 | b | ||||||||
1949 | 21.81 | 43.78 | a | 57.87 | 73.07 | b | 78.61 | 85.20 | 93.19 | 90.23 | 84.37 | 63.97 | b | 55.22 | c | 42.71 | c | 65.84 | ||||||||
1950 | 33.43 | c | 42.04 | c | 53.15 | d | 66.24 | e | 72.08 | f | 82.29 | b | 90.39 | 90.87 | 79.27 | 68.84 | 52.50 | b | 40.06 | 63.55 | a | |||||
1951 | 36.30 | a | 42.61 | 48.87 | a | 68.50 | b | 73.74 | 81.00 | 94.87 | 89.31 | b | 82.30 | 61.13 | a | 48.20 | 37.50 | c | 63.69 | |||||||
1952 | 33.55 | b | 39.00 | e | 50.30 | a | 71.21 | b | 75.52 | 81.20 | 92.00 | 92.00 | 84.70 | 74.10 | 48.20 | 40.23 | 65.17 | |||||||||
1953 | 49.74 | 49.79 | 58.84 | 62.27 | 66.55 | 74.30 | 92.52 | 88.45 | 85.63 | 69.60 | a | 55.73 | 40.68 | 66.17 | ||||||||||||
1954 | 46.93 | a | 51.36 | 56.58 | 68.97 | 79.71 | 77.80 | 94.23 | 86.55 | 80.73 | 67.35 | 54.90 | 39.26 | 67.03 | ||||||||||||
1955 | 31.77 | 37.79 | 50.06 | 58.83 | 70.57 | a | 83.93 | 88.84 | 93.77 | 80.20 | 67.06 | 45.27 | 44.39 | 62.71 | ||||||||||||
1956 | 40.61 | 38.86 | 58.32 | 68.93 | 74.84 | 82.33 | 92.23 | 88.03 | a | 81.40 | 62.71 | 45.47 | 37.65 | 64.28 | ||||||||||||
1957 | 28.06 | 40.54 | 55.39 | 63.77 | 71.84 | 83.27 | 92.03 | 89.61 | 84.30 | 62.13 | 48.77 | 41.19 | 63.41 | |||||||||||||
1958 | 37.00 | a | 50.25 | 53.58 | 61.77 | 82.00 | 82.53 | 92.58 | 93.77 | 78.53 | 71.16 | 50.67 | 44.13 | 66.50 | ||||||||||||
1959 | 43.52 | 48.00 | 56.65 | 69.87 | 69.71 | 86.30 | 95.68 | 88.81 | 73.73 | 64.43 | a | 49.50 | 38.50 | a | 65.39 | |||||||||||
1960 | 30.87 | a | 41.34 | 55.39 | 66.30 | 71.48 | 88.63 | 98.00 | 86.29 | 82.80 | 65.55 | 48.93 | 37.07 | a | 64.39 | |||||||||||
1961 | 37.32 | 49.57 | 56.65 | 64.97 | 75.40 | a | 91.34 | a | 96.52 | 94.29 | 73.79 | a | 63.35 | 48.17 | 37.94 | 65.78 | ||||||||||
1962 | 28.16 | 37.14 | 53.90 | 72.87 | 70.87 | 84.93 | 90.52 | 88.39 | 81.63 | 63.97 | a | 51.21 | a | 40.45 | 63.67 | |||||||||||
1963 | 33.81 | 53.04 | 57.94 | 58.41 | a | 74.65 | 76.50 | 87.93 | a | 88.58 | 80.60 | 68.26 | 49.17 | 31.45 | 63.36 | |||||||||||
1964 | 31.68 | 35.59 | 48.16 | ----- | z | 69.94 | 75.37 | 92.23 | 85.77 | 75.77 | 67.42 | 47.63 | 41.13 | 60.97 | a | |||||||||||
1965 | 36.81 | 48.43 | 54.13 | 65.67 | 70.97 | ----- | z | 90.00 | 85.81 | 72.87 | 71.68 | 54.97 | 38.94 | 62.75 | a | |||||||||||
1966 | 44.10 | 46.54 | 57.52 | 66.17 | 78.61 | 80.20 | 91.60 | a | 90.97 | a | 83.50 | 65.39 | 52.53 | 39.32 | 66.37 | |||||||||||
1967 | 43.00 | 51.57 | 57.26 | 58.07 | 74.06 | 81.43 | 95.58 | 95.94 | 85.63 | 63.97 | 52.33 | 38.55 | 66.45 | |||||||||||||
1968 | 38.26 | 50.55 | 59.94 | 61.63 | 72.55 | 82.70 | ----- | z | 82.06 | 77.47 | 63.97 | 48.47 | 41.81 | 61.76 | a | |||||||||||
1969 | 37.06 | 41.04 | 54.71 | 65.77 | 78.81 | 83.00 | 92.90 | 93.03 | 81.50 | 60.00 | 52.40 | 42.65 | 65.24 | |||||||||||||
1970 | 43.65 | 52.04 | 55.13 | 59.03 | 74.13 | 85.73 | 93.55 | 96.13 | 75.20 | 61.81 | 51.07 | 38.33 | a | 65.48 | ||||||||||||
1971 | 39.00 | 49.18 | 51.81 | 64.63 | 76.90 | 78.40 | 93.13 | 98.42 | 76.83 | 64.58 | 48.87 | 37.42 | 64.93 | |||||||||||||
1972 | 36.68 | 40.59 | 57.39 | 63.40 | 76.71 | 83.57 | 91.55 | 92.84 | 75.40 | 68.06 | 50.10 | 28.81 | 63.76 | |||||||||||||
1973 | 35.71 | 47.32 | 56.65 | 63.73 | 77.06 | 83.63 | 93.55 | 90.94 | 78.93 | 67.00 | 48.30 | 43.74 | 65.55 | |||||||||||||
1974 | 36.48 | 46.37 | a | 54.29 | 62.90 | 70.35 | 87.20 | 90.94 | 91.35 | 85.10 | 65.61 | 51.53 | 39.39 | 65.13 | ||||||||||||
1975 | 33.26 | 42.57 | 50.68 | 54.57 | 70.13 | 77.97 | 94.26 | 84.68 | 82.73 | 63.94 | 48.76 | a | 36.29 | 61.65 | ||||||||||||
1976 | 36.16 | 39.55 | 48.97 | 62.03 | 77.06 | 78.33 | 91.39 | 82.13 | 78.50 | 67.16 | 52.70 | 38.80 | a | 62.73 | ||||||||||||
1977 | 26.06 | 40.04 | 53.90 | 71.57 | 65.90 | 87.97 | 90.52 | 91.65 | 78.33 | ----- | z | 48.41 | a | 44.35 | 63.52 | a | ||||||||||
1978 | 41.90 | 45.29 | 61.68 | 60.27 | 69.03 | 81.00 | 90.13 | 90.58 | 76.97 | 71.13 | 46.67 | 35.55 | 64.18 | |||||||||||||
1979 | 23.94 | 39.04 | 56.39 | 62.37 | 74.58 | 83.30 | 91.48 | 87.10 | 83.83 | 68.71 | 45.67 | 40.42 | 63.07 | |||||||||||||
1980 | 36.57 | a | 45.21 | 53.77 | 68.50 | 71.23 | 78.10 | 90.42 | 87.55 | 77.90 | 66.90 | 48.23 | 38.65 | 63.59 | ||||||||||||
1981 | 38.03 | 46.86 | 57.42 | 64.83 | 70.74 | 77.60 | 90.23 | 94.52 | 81.47 | 62.39 | 52.93 | 41.74 | 64.90 | |||||||||||||
1982 | 33.93 | a | 38.46 | 54.58 | 60.07 | 69.45 | 80.10 | 85.48 | 91.10 | 75.40 | 63.71 | 44.43 | 36.74 | 61.12 | ||||||||||||
1983 | 36.70 | a | 47.61 | 55.23 | 60.53 | 72.48 | 79.07 | 83.74 | 89.29 | 77.00 | 66.00 | 51.03 | 31.23 | 62.49 | ||||||||||||
1984 | 28.81 | ----- | z | 52.77 | 60.27 | 68.32 | 76.33 | ----- | z | 91.55 | 76.33 | 61.26 | 48.13 | ----- | z | 62.64 | c | |||||||||
1985 | 27.76 | b | 33.59 | a | 48.72 | b | 68.70 | 73.90 | 82.17 | 94.03 | 85.45 | 70.21 | a | 61.48 | 38.00 | 20.42 | 58.70 | |||||||||
1986 | 31.94 | 46.11 | 60.90 | 62.83 | 73.35 | 88.63 | 85.81 | 93.84 | 71.30 | 67.61 | 51.40 | 35.48 | 64.10 | |||||||||||||
1987 | 32.58 | 46.46 | 56.10 | 73.17 | 77.48 | 83.20 | 87.39 | 87.71 | 84.43 | 72.03 | 50.33 | 40.80 | a | 65.97 | ||||||||||||
1988 | 31.97 | 44.69 | 57.48 | 67.03 | 72.81 | 84.77 | 93.23 | 90.55 | 78.47 | 76.26 | 48.70 | 32.77 | 64.89 | |||||||||||||
1989 | 29.23 | 28.37 | a | 51.00 | 67.20 | 71.74 | 84.73 | 92.77 | 85.87 | 79.13 | 64.35 | 49.97 | 40.48 | 62.07 | ||||||||||||
1990 | 41.87 | 45.82 | 59.42 | 71.17 | 70.26 | 81.20 | 91.48 | 89.32 | 87.52 | c | 64.10 | 51.33 | 29.52 | 65.25 | ||||||||||||
1991 | 31.45 | 47.61 | 55.23 | 62.23 | 67.97 | 77.63 | 92.10 | 93.23 | 82.27 | 68.29 | 44.80 | 39.10 | 63.49 | |||||||||||||
1992 | 38.87 | a | 50.90 | 64.00 | 69.63 | 81.13 | 85.30 | 87.19 | 92.39 | 79.13 | 69.35 | 43.30 | 35.06 | 66.35 | ||||||||||||
1993 | 31.55 | 33.64 | 47.87 | 60.03 | 77.84 | 75.67 | 81.23 | 85.10 | 81.30 | 67.97 | 44.83 | 42.13 | 60.76 | |||||||||||||
1994 | 37.74 | 43.32 | 62.32 | 68.23 | 75.58 | 83.37 | 94.71 | 94.06 | 85.13 | 65.00 | 41.70 | 34.81 | 65.50 | |||||||||||||
1995 | 40.74 | 52.25 | 55.33 | a | 62.53 | 71.00 | 78.43 | 88.77 | 87.65 | 84.20 | 63.97 | 52.03 | 39.13 | a | 64.67 | |||||||||||
1996 | 39.74 | 44.55 | 57.68 | 65.13 | 69.16 | 82.47 | 94.52 | 91.10 | 77.40 | 66.32 | ----- | z | 42.23 | 66.39 | a | |||||||||||
1997 | 39.97 | a | 46.79 | 59.58 | 62.23 | 77.68 | 81.47 | 88.68 | 92.00 | 83.03 | 66.19 | 53.10 | 38.52 | 65.77 | ||||||||||||
1998 | 43.29 | 48.50 | 56.45 | 63.27 | 68.87 | 78.53 | 96.30 | a | 94.42 | 85.03 | 67.71 | ----- | z | 39.27 | a | 67.42 | a | |||||||||
1999 | 43.19 | 43.50 | 57.10 | 63.07 | 71.23 | 81.90 | 90.55 | 91.26 | 80.60 | 69.71 | 55.80 | 37.34 | b | 65.44 | ||||||||||||
2000 | 40.00 | 50.41 | 56.23 | 69.73 | 75.23 | 83.27 | 91.90 | 94.06 | 78.53 | 64.97 | 42.40 | 36.94 | 65.31 | |||||||||||||
2001 | 34.67 | a | 41.75 | 58.74 | 62.53 | 78.23 | 82.50 | 90.52 | 94.77 | 84.30 | 66.52 | 54.23 | 38.53 | a | 65.61 | |||||||||||
2002 | 39.23 | 44.32 | 53.58 | 66.30 | 73.32 | 84.83 | 96.74 | 87.87 | 83.83 | 66.00 | 51.63 | 43.74 | 65.95 | |||||||||||||
2003 | 42.00 | 48.71 | 59.58 | 63.43 | 73.77 | 86.40 | 96.97 | 92.68 | 82.33 | 73.10 | 47.00 | 43.13 | 67.43 | |||||||||||||
2004 | 31.32 | 40.69 | 63.35 | 68.07 | 71.68 | 83.10 | 93.65 | 91.00 | 79.00 | 67.10 | 46.17 | 40.94 | 64.67 | |||||||||||||
2005 | 37.45 | 47.25 | 59.19 | 62.67 | 70.48 | 77.20 | 92.77 | 92.74 | 79.07 | 66.74 | 44.93 | 32.45 | 63.58 | |||||||||||||
2006 | 43.25 | g | 45.50 | 53.00 | 64.50 | 75.77 | 84.23 | 97.97 | 89.68 | 80.77 | 66.32 | 51.73 | 39.47 | a | 68.09 | a | ||||||||||
2007 | 38.87 | 48.36 | 62.42 | 65.20 | 77.42 | 84.50 | 96.65 | 90.52 | 79.87 | 63.35 | 50.53 | 38.87 | 66.38 | |||||||||||||
2008 | 34.42 | 43.55 | 52.23 | 60.30 | 74.06 | 81.47 | 93.32 | 91.39 | 80.10 | 66.23 | 51.30 | 38.97 | 63.94 | |||||||||||||
2009 | 36.81 | 45.57 | 53.35 | 64.73 | 75.77 | 79.80 | 92.74 | 90.13 | 86.13 | 59.32 | 51.33 | 33.48 | 64.10 | |||||||||||||
2010 | 40.90 | 45.57 | 57.06 | 61.80 | 66.65 | 78.43 | 90.06 | 88.61 | 82.17 | 69.19 | 48.23 | 36.65 | 63.78 | |||||||||||||
2011 | 33.50 | a | 43.21 | 52.35 | 57.87 | 67.35 | 76.87 | 89.55 | 93.90 | 85.90 | 66.65 | 48.10 | 41.48 | 63.06 | ||||||||||||
2012 | 42.45 | 47.59 | 56.65 | 67.27 | 72.19 | 76.80 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.23 | g | |||||
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | 59.00 | y | 63.64 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | 74.84 | 85.90 | 90.77 | 91.68 | 79.87 | 67.42 | 57.12 | e | 31.84 | f | 78.23 | e | ||||||
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.87 | 37.56 | v | 49.87 | k | |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | 71.55 | 81.23 | ----- | z | ----- | z | ----- | z | 58.19 | 51.03 | 41.39 | h | 65.50 | h | ||||
2020 | 42.38 | b | 48.73 | c | 58.00 | 65.57 | b | 73.13 | a | 77.57 | 87.83 | b | 90.61 | 80.76 | a | 68.00 | a | 50.25 | b | 39.04 | c | 65.16 | ||||
2021 | ----- | z | ----- | z | 57.40 | f | 67.30 | g | 71.72 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.50 | d | 97.19 | d | 95.64 | i | 92.20 | t | 72.84 | f | 44.59 | h | 32.61 | h | 88.84 | j |
2023 | 40.71 | n | 44.67 | m | 47.46 | e | 59.73 | d | 75.81 | d | 79.59 | c | 94.71 | c | 88.64 | c | 80.89 | c | 68.00 | f | 50.55 | h | 42.58 | s | 75.26 | e |
2024 | 37.33 | m | 51.94 | m | 60.72 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.69 | 44.94 | 56.15 | 65.35 | 74.05 | 81.89 | 92.26 | 90.57 | 80.39 | 66.83 | 49.87 | 38.85 | 64.89 | |||||||||||||
S.D. | 5.56 | 5.20 | 3.81 | 4.06 | 4.09 | 3.68 | 3.21 | 3.25 | 3.65 | 3.43 | 3.52 | 4.38 | 1.74 | |||||||||||||
SKEW | -0.28 | -0.62 | -0.07 | 0.09 | 0.39 | 0.02 | -0.65 | -0.11 | -0.38 | 0.05 | -0.53 | -1.05 | -0.50 | |||||||||||||
MAX | 49.74 | 55.11 | 65.81 | 75.50 | 84.68 | 91.34 | 98.00 | 99.10 | 87.52 | 76.26 | 57.12 | 47.23 | 70.25 | |||||||||||||
MIN | 21.81 | 28.37 | 47.46 | 54.57 | 65.90 | 74.30 | 81.23 | 82.06 | 70.21 | 58.19 | 38.00 | 20.42 | 58.70 | |||||||||||||
YRS | 90 | 89 | 92 | 91 | 93 | 93 | 91 | 91 | 91 | 91 | 90 | 90 | 78 |