YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 96.26 | h | 76.53 | 65.00 | a | 50.82 | b | 38.20 | k | 64.12 | i | |
1935 | 34.03 | a | 44.54 | 51.21 | l | ----- | z | ----- | z | 80.76 | i | 90.87 | 90.29 | 86.17 | 64.65 | 40.66 | a | 34.29 | 60.69 | d | ||||||
1936 | 35.94 | 25.14 | 52.00 | a | 69.43 | 81.17 | b | 81.00 | b | 93.13 | 91.06 | m | 80.44 | c | 72.23 | 41.23 | 40.19 | 61.08 | a | |||||||
1937 | 19.43 | a | 33.39 | 55.06 | 62.03 | 76.71 | 80.20 | 93.50 | a | 85.50 | a | 82.45 | a | 67.83 | a | 48.42 | d | 39.23 | e | 61.98 | ||||||
1938 | 35.47 | a | 39.39 | 52.47 | a | 67.37 | 76.97 | a | 87.40 | 96.33 | a | 90.10 | a | 88.30 | 67.00 | a | 44.20 | 37.04 | d | 65.17 | ||||||
1939 | 38.58 | 38.82 | 53.71 | 69.68 | b | 77.84 | 78.23 | 93.48 | 94.48 | 83.62 | a | 65.03 | 46.59 | a | 43.35 | 65.29 | ||||||||||
1940 | 35.58 | 41.10 | 58.57 | a | 65.03 | 79.23 | 87.77 | 90.84 | 91.52 | 81.73 | 65.10 | 40.20 | 38.58 | 64.60 | ||||||||||||
1941 | 36.00 | 45.32 | 62.45 | 69.57 | 72.29 | 78.57 | 93.42 | 85.06 | 71.13 | 62.87 | 50.07 | 40.42 | 63.93 | |||||||||||||
1942 | 30.13 | a | 41.61 | 54.77 | 66.63 | 67.58 | 73.07 | 80.84 | 89.73 | a | 81.53 | 66.94 | 40.28 | a | 33.90 | 60.58 | ||||||||||
1943 | 24.61 | ----- | z | 46.68 | 63.97 | 65.32 | 73.43 | 87.84 | 84.23 | 81.33 | 61.32 | 42.63 | 33.03 | 60.40 | a | |||||||||||
1944 | 31.06 | 37.90 | 49.68 | 65.20 | 75.48 | 82.43 | 90.45 | 86.71 | 79.77 | 67.87 | 41.80 | 32.65 | 61.75 | |||||||||||||
1945 | 35.35 | 44.36 | 52.00 | 60.43 | 73.97 | 81.17 | 92.74 | 92.32 | 73.69 | a | 66.47 | a | 42.43 | 37.42 | 62.70 | |||||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | 31.84 | 42.46 | 55.23 | 63.00 | 76.97 | 75.23 | 86.19 | 83.52 | 74.63 | 57.97 | a | 43.43 | 35.87 | 60.53 | ||||||||||||
1948 | 31.94 | 36.03 | 47.94 | 54.93 | 64.42 | 80.67 | 80.55 | 79.13 | 73.60 | 59.00 | 44.53 | 27.32 | 56.67 | |||||||||||||
1949 | 17.71 | 32.50 | 49.52 | 64.90 | 75.61 | 78.60 | 85.74 | 85.55 | 77.24 | a | 58.74 | 50.33 | 35.06 | 59.29 | ||||||||||||
1950 | 15.68 | 33.89 | 45.68 | 57.21 | f | 67.13 | 73.97 | 87.84 | ----- | z | 88.65 | d | 55.63 | a | 42.37 | 37.32 | 54.82 | b | ||||||||
1951 | 33.32 | 38.18 | 42.29 | 63.47 | 72.13 | 77.90 | 88.52 | 84.90 | a | 77.10 | 56.45 | 42.43 | 28.26 | 58.75 | ||||||||||||
1952 | 26.97 | 37.93 | 47.48 | 63.50 | 71.90 | 78.00 | 87.26 | 86.00 | a | 79.67 | 68.35 | 41.27 | 34.42 | 60.23 | ||||||||||||
1953 | 40.87 | 43.07 | 51.10 | 57.97 | 67.32 | 70.37 | 85.26 | 83.35 | 77.17 | 64.58 | 47.50 | 38.55 | 60.59 | |||||||||||||
1954 | 30.71 | 40.57 | 47.58 | 57.43 | 71.45 | 72.73 | 83.35 | 79.03 | 72.33 | 58.35 | 48.97 | 35.68 | 58.18 | |||||||||||||
1955 | 31.10 | 33.79 | 41.87 | 53.10 | 63.53 | a | 79.00 | 81.84 | 85.58 | 75.47 | 58.00 | 34.50 | 29.87 | 55.64 | ||||||||||||
1956 | 32.42 | 28.97 | 45.16 | 65.10 | 73.71 | 73.23 | 88.74 | 85.00 | a | 76.47 | 57.10 | 37.67 | 35.00 | a | 58.21 | |||||||||||
1957 | 19.19 | 32.82 | 47.23 | 61.93 | 72.55 | 77.27 | 83.06 | 80.74 | 79.97 | 56.10 | 44.10 | 40.20 | a | 57.93 | ||||||||||||
1958 | 37.77 | 46.50 | 50.16 | 58.00 | a | 79.06 | 82.20 | 90.45 | 90.52 | 73.03 | 62.42 | 41.60 | 35.39 | 62.26 | ||||||||||||
1959 | 33.94 | 34.00 | 49.55 | 61.90 | 64.48 | 76.17 | 88.61 | 80.32 | 69.13 | 57.29 | 41.33 | 35.00 | 57.64 | |||||||||||||
1960 | 27.84 | 40.38 | 49.58 | 60.13 | 64.58 | 78.60 | 93.48 | 80.84 | 77.57 | 62.71 | 44.97 | 31.42 | 59.34 | |||||||||||||
1961 | 36.00 | 45.14 | 51.29 | 59.80 | 68.03 | 84.60 | 90.03 | 92.03 | 72.83 | 58.94 | 40.93 | 33.74 | 61.11 | |||||||||||||
1962 | 30.23 | 40.25 | 47.58 | 65.27 | 65.13 | 78.17 | 86.77 | 81.61 | 78.10 | 58.42 | 46.70 | 39.16 | 59.78 | |||||||||||||
1963 | 29.81 | 42.21 | 52.87 | 57.70 | 71.10 | 77.90 | 82.81 | 86.71 | 82.20 | 64.00 | 45.70 | 32.19 | 60.43 | |||||||||||||
1964 | 35.35 | 39.90 | 47.68 | 59.47 | 69.06 | 77.20 | 85.94 | 80.48 | 72.60 | 62.32 | 41.53 | 29.87 | 58.45 | |||||||||||||
1965 | 33.94 | 39.61 | 48.74 | 62.77 | 69.03 | 79.03 | 87.52 | 84.13 | 71.47 | 64.77 | 46.17 | 35.90 | 60.26 | |||||||||||||
1966 | 32.90 | 40.71 | 50.71 | 62.70 | 73.52 | 74.90 | 83.03 | 85.61 | 78.97 | 60.13 | 47.67 | 39.29 | 60.85 | |||||||||||||
1967 | 40.23 | 47.14 | 49.71 | 55.80 | 68.52 | 81.80 | 89.03 | 93.77 | 83.47 | 60.29 | 45.70 | 34.03 | 62.46 | |||||||||||||
1968 | 35.55 | 44.28 | 54.52 | 59.63 | 71.68 | 78.73 | 90.74 | 80.00 | a | 75.70 | 56.55 | 43.20 | 33.10 | 60.31 | ||||||||||||
1969 | 21.55 | 33.29 | 49.03 | 60.30 | 75.00 | 83.77 | 86.65 | 85.35 | 74.70 | 57.57 | a | 43.70 | 35.74 | 58.89 | ||||||||||||
1970 | 31.55 | 41.61 | 48.84 | 55.10 | 70.19 | 83.47 | 86.97 | 86.77 | 70.10 | a | 59.48 | 42.43 | 33.74 | 59.19 | ||||||||||||
1971 | 34.71 | 40.96 | 43.71 | 59.23 | 72.10 | 71.80 | 87.13 | 92.32 | 69.90 | 58.26 | 43.87 | 32.16 | 58.85 | |||||||||||||
1972 | 30.68 | 38.24 | 52.00 | 57.10 | 70.84 | 76.40 | 83.52 | 87.65 | 69.10 | 61.32 | 44.03 | 33.16 | 58.67 | |||||||||||||
1973 | 32.74 | 39.39 | 52.84 | 63.37 | 72.58 | 78.00 | 87.10 | 86.35 | 74.40 | 58.52 | 41.27 | 40.10 | 60.55 | |||||||||||||
1974 | 32.68 | 43.32 | 49.61 | 59.77 | 65.23 | 81.77 | 83.68 | 86.16 | 80.00 | 64.97 | 45.80 | 38.11 | c | 60.92 | ||||||||||||
1975 | 32.65 | 34.59 | a | 43.16 | 55.87 | 68.45 | 75.07 | 90.00 | 80.06 | 78.17 | 58.39 | 44.73 | 37.37 | a | 58.21 | |||||||||||
1976 | 34.80 | a | 41.07 | 46.87 | 58.43 | 69.55 | 73.47 | 82.97 | 78.74 | 79.93 | 60.97 | 44.53 | 33.66 | b | 58.75 | |||||||||||
1977 | 26.77 | a | 43.29 | 50.52 | 67.83 | 65.65 | 81.80 | 83.48 | 89.81 | 69.47 | 60.65 | 43.13 | 33.90 | 59.69 | ||||||||||||
1978 | 31.87 | 38.68 | 52.87 | 59.57 | 68.52 | b | 82.66 | a | 86.50 | a | 83.10 | b | 72.45 | a | 63.19 | 38.76 | a | 29.52 | h | 61.65 | a | |||||
1979 | 20.58 | 36.79 | 54.52 | 61.10 | 73.65 | 83.37 | 90.13 | 88.00 | 80.60 | 65.13 | 38.37 | 40.13 | a | 61.03 | ||||||||||||
1980 | 26.19 | 36.75 | a | 49.00 | 65.30 | 69.37 | a | 74.77 | 86.81 | 82.74 | 76.23 | 63.10 | a | 44.73 | 37.42 | 59.37 | ||||||||||
1981 | 39.10 | b | 43.41 | a | 56.10 | 61.37 | 67.81 | 73.63 | 83.84 | 91.58 | 77.63 | 59.03 | 47.63 | 35.39 | 61.38 | |||||||||||
1982 | 31.73 | a | 41.81 | b | 51.50 | a | 57.97 | a | 71.04 | e | 82.25 | b | 84.21 | b | 86.07 | a | 75.75 | b | 60.48 | 40.38 | a | 33.21 | c | 59.70 | ||
1983 | 38.63 | a | 43.92 | c | 53.54 | c | 61.47 | 74.79 | b | 78.29 | i | 80.00 | d | 87.57 | c | 73.61 | b | 62.00 | c | 47.72 | a | 25.36 | c | 58.96 | a | |
1984 | 35.73 | a | 40.32 | a | 54.13 | 58.67 | f | 65.48 | d | 74.89 | b | 88.33 | a | 87.97 | 73.33 | 59.33 | a | 43.07 | 26.55 | b | 59.01 | a | ||||
1985 | 26.70 | a | 33.89 | 48.50 | a | 64.81 | c | 74.48 | d | 81.54 | b | 97.93 | d | 85.48 | d | 69.48 | e | 59.89 | c | 29.33 | c | 24.93 | a | 58.08 | ||
1986 | 33.97 | a | 39.08 | c | 54.72 | b | 60.37 | c | 74.04 | c | 86.92 | e | 83.24 | b | 92.76 | f | 65.41 | h | 64.40 | a | 44.36 | b | 33.58 | 57.47 | b | |
1987 | 33.06 | 44.09 | e | 54.28 | b | 67.00 | a | 75.87 | a | 84.67 | c | ----- | z | ----- | z | 83.32 | b | 66.32 | 46.61 | b | 34.97 | b | 59.02 | b | ||
1988 | 32.07 | c | 43.27 | c | 53.27 | a | 63.08 | d | 70.46 | c | 79.33 | c | 87.44 | d | 87.60 | f | 78.10 | a | 69.34 | b | 45.34 | a | 33.65 | 59.58 | a | |
1989 | 36.03 | a | 32.54 | b | 47.03 | a | 65.23 | 69.14 | b | 80.33 | c | 87.57 | a | 81.93 | a | 78.21 | b | 59.89 | c | 46.79 | b | 34.87 | 59.96 | |||
1990 | 40.67 | a | 39.44 | a | 54.45 | 65.96 | c | 66.07 | a | 75.70 | 89.19 | 85.93 | a | 84.03 | 57.96 | c | 48.60 | 28.80 | a | 61.40 | ||||||
1991 | 29.32 | 48.18 | 49.63 | a | 62.11 | b | 67.61 | 73.15 | d | 87.52 | d | 87.39 | 82.14 | a | 63.04 | c | 41.86 | b | 39.00 | c | 60.91 | |||||
1992 | 37.03 | b | 44.62 | 59.59 | b | 62.43 | b | 76.90 | a | 85.11 | b | 83.52 | 86.84 | 74.27 | 62.63 | a | 40.25 | b | 28.26 | 61.79 | ||||||
1993 | 24.90 | 32.82 | 46.45 | 56.72 | a | ----- | z | 76.27 | 75.33 | a | 81.10 | 78.10 | a | 64.80 | a | 41.14 | a | 34.57 | a | 55.66 | a | |||||
1994 | 38.87 | 37.57 | 57.03 | 65.32 | b | 72.55 | b | 78.29 | b | 91.32 | c | 88.38 | b | 81.55 | a | 61.21 | b | 39.24 | a | 36.53 | a | 62.32 | ||||
1995 | 33.58 | 46.07 | 51.66 | b | 60.83 | 73.68 | 77.55 | a | 85.97 | a | 80.97 | 79.53 | 58.16 | 46.90 | 34.39 | 60.77 | ||||||||||
1996 | 30.03 | b | 35.97 | 49.26 | 61.86 | b | 65.00 | b | 77.66 | a | 89.62 | b | 87.57 | a | 72.70 | 58.17 | b | 39.23 | 28.94 | 58.00 | ||||||
1997 | 31.27 | a | 36.54 | 49.00 | a | 58.03 | 71.06 | 75.29 | b | 84.10 | a | 87.83 | a | 75.83 | 58.93 | a | 45.10 | 34.84 | 58.99 | |||||||
1998 | ----- | z | 44.57 | 51.97 | a | 61.97 | 72.00 | a | ----- | z | 92.00 | 90.27 | a | 83.34 | a | 61.32 | 47.00 | a | 35.00 | a | 63.94 | b | ||||
1999 | 38.10 | a | 43.25 | 51.17 | a | 61.10 | 66.97 | b | 76.00 | 84.29 | 88.00 | b | 76.40 | 60.57 | a | 46.97 | 38.97 | 60.98 | ||||||||
2000 | 33.19 | 39.93 | 50.53 | a | 65.43 | 68.00 | 77.81 | c | 85.57 | a | 86.10 | a | 73.79 | b | 60.00 | a | 36.50 | 28.38 | b | 58.77 | ||||||
2001 | 32.97 | 35.71 | 51.00 | a | 59.27 | 73.26 | 74.10 | a | 85.33 | a | 88.20 | a | 79.67 | 58.03 | a | 47.53 | 35.68 | 60.06 | ||||||||
2002 | 37.67 | a | 41.63 | a | 46.13 | a | 59.83 | 66.73 | a | 79.34 | a | 90.21 | b | 84.33 | a | 76.69 | a | 59.46 | c | 45.17 | 37.37 | a | 60.38 | |||
2003 | 36.40 | a | 42.82 | 52.27 | a | 60.89 | b | 69.57 | c | 83.96 | d | 93.60 | a | 89.65 | e | 81.23 | 67.34 | b | 42.60 | 33.38 | b | 62.81 | ||||
2004 | 32.48 | f | 39.89 | a | 58.31 | b | 68.04 | e | 71.47 | a | 82.64 | b | 92.55 | 89.83 | b | 74.89 | c | 64.30 | a | 48.03 | a | 37.69 | b | 66.15 | a | |
2005 | 31.80 | a | 46.71 | 57.84 | 63.48 | a | 73.74 | 80.00 | b | 88.25 | k | 91.38 | b | 75.59 | a | 63.60 | f | 41.92 | e | 29.32 | 59.18 | b | ||||
2006 | 39.72 | b | 42.96 | a | 49.90 | a | 61.29 | b | 70.77 | 79.52 | a | 92.75 | c | 87.65 | 77.68 | b | 60.13 | 41.69 | a | 31.72 | b | 61.32 | ||||
2007 | 30.19 | 38.68 | 52.67 | a | 60.48 | a | 72.45 | 76.93 | b | 91.61 | 86.10 | 75.87 | 58.93 | b | 41.73 | 34.13 | 59.98 | |||||||||
2008 | 28.24 | b | 39.31 | 47.97 | 56.03 | a | 71.25 | c | 77.21 | a | 87.14 | c | 86.33 | a | 77.38 | a | 60.45 | 44.11 | b | 27.23 | a | 58.55 | ||||
2009 | 28.13 | 35.00 | 45.07 | a | 59.76 | a | 72.29 | 80.70 | 90.90 | a | 87.58 | 80.37 | 55.00 | a | 44.97 | 28.84 | 59.05 | |||||||||
2010 | 38.31 | b | 43.89 | a | 53.29 | 60.24 | a | 65.19 | 73.90 | a | 86.87 | 84.83 | a | 73.23 | 61.65 | 40.40 | 34.69 | b | 59.71 | |||||||
2011 | 35.77 | 37.18 | 48.74 | 54.53 | 65.03 | 74.50 | 82.29 | 88.26 | 82.03 | 59.29 | 43.53 | 34.39 | 58.80 | |||||||||||||
2012 | 32.65 | 38.24 | 49.48 | 62.40 | 69.39 | 73.57 | 88.71 | 89.61 | 80.07 | a | 60.77 | a | 44.80 | 36.13 | 60.48 | |||||||||||
2013 | 28.61 | 39.79 | 52.65 | 61.33 | 71.03 | 77.13 | 91.97 | 86.81 | 77.67 | 60.45 | 42.53 | 29.74 | 59.98 | |||||||||||||
2014 | 33.77 | 34.86 | 51.23 | 61.17 | 72.45 | 77.50 | 91.68 | 87.68 | 77.60 | 64.00 | 43.43 | 36.94 | 61.02 | |||||||||||||
2015 | 33.55 | 46.96 | 57.30 | a | 61.70 | 74.70 | a | 87.47 | 90.23 | 88.48 | 73.60 | 65.55 | 42.87 | 34.55 | 63.08 | |||||||||||
2016 | 32.87 | 44.07 | 53.26 | 69.27 | 73.32 | 80.00 | 84.16 | 87.55 | 74.77 | 57.32 | 50.30 | 28.61 | 61.29 | |||||||||||||
2017 | 25.23 | 33.46 | 48.71 | 57.57 | 71.07 | a | 79.17 | 90.87 | 90.39 | 76.73 | 58.55 | 44.41 | a | 29.90 | 58.84 | |||||||||||
2018 | 35.16 | 39.82 | 50.03 | 58.77 | 77.52 | 77.37 | 90.32 | 87.45 | 73.73 | 59.42 | 44.10 | 37.26 | 60.91 | |||||||||||||
2019 | 35.06 | 28.14 | 43.32 | 60.47 | 73.58 | 79.83 | 83.97 | 87.03 | 71.63 | 55.06 | 43.63 | 34.61 | 58.03 | |||||||||||||
2020 | 37.03 | 43.86 | 51.45 | 61.83 | 70.52 | 76.67 | 87.10 | 87.97 | 79.73 | 61.00 | 44.20 | 34.97 | 61.36 | |||||||||||||
2021 | 38.00 | 38.04 | 54.06 | 64.20 | 72.26 | 87.13 | 94.52 | 87.29 | 75.10 | 59.77 | 45.67 | c | 33.19 | 62.44 | ||||||||||||
2022 | 29.53 | a | 36.46 | 53.00 | 54.23 | 63.97 | 75.24 | a | 90.23 | 92.07 | c | 80.10 | 68.73 | a | 34.97 | a | 25.16 | 58.64 | ||||||||
2023 | 35.39 | 38.71 | 47.37 | a | 56.80 | 78.27 | a | 80.47 | 89.45 | 87.14 | b | 75.00 | a | 62.17 | a | 42.96 | b | 37.16 | 60.91 | |||||||
2024 | 31.29 | 41.89 | b | 53.13 | a | 62.19 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.10 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.29 | 39.54 | 50.86 | 61.50 | 71.06 | 78.67 | 87.82 | 86.51 | 77.17 | 61.44 | 43.56 | 34.20 | 60.27 | |||||||||||||
S.D. | 5.21 | 4.57 | 3.92 | 3.77 | 4.07 | 3.95 | 4.04 | 3.59 | 4.28 | 3.62 | 3.61 | 3.92 | 1.84 | |||||||||||||
SKEW | -1.01 | -0.55 | 0.17 | 0.13 | 0.12 | 0.37 | -0.17 | -0.25 | 0.27 | 0.58 | -0.76 | -0.40 | 0.45 | |||||||||||||
MAX | 40.87 | 48.18 | 62.45 | 69.68 | 81.17 | 87.77 | 97.93 | 94.48 | 88.65 | 72.23 | 50.82 | 43.35 | 65.29 | |||||||||||||
MIN | 15.68 | 25.14 | 41.87 | 53.10 | 63.53 | 70.37 | 75.33 | 78.74 | 69.10 | 55.00 | 29.33 | 24.93 | 55.64 | |||||||||||||
YRS | 87 | 88 | 88 | 85 | 86 | 85 | 86 | 83 | 88 | 88 | 89 | 87 | 74 |