YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1934 | ----- | z | ----- | z | ----- | z | 68.00 | b | 79.46 | c | ----- | z | ----- | z | 87.48 | 79.32 | b | 74.48 | 59.03 | 51.72 | b | 71.36 | e | |||
1935 | 56.39 | 54.70 | a | 60.10 | a | 64.10 | a | 64.23 | 83.10 | 90.00 | 84.87 | 79.60 | 71.06 | 62.67 | 51.39 | 68.52 | ||||||||||
1936 | 47.58 | 48.72 | 59.16 | 66.03 | ----- | z | ----- | z | ----- | z | ----- | z | 79.90 | j | 67.74 | 57.47 | 53.13 | a | 57.12 | e | ||||||
1937 | 42.06 | 51.64 | 52.90 | 65.73 | 72.84 | 79.34 | a | 89.07 | a | 89.93 | a | ----- | z | 69.00 | ----- | z | ----- | z | 68.06 | c | ||||||
1938 | 48.89 | c | 49.00 | 55.70 | a | 63.67 | 68.60 | a | 74.29 | p | 81.00 | d | 80.26 | 73.54 | d | ----- | z | ----- | z | ----- | z | 65.08 | d | |||
1939 | ----- | z | ----- | z | ----- | z | 62.66 | a | 70.72 | f | 84.33 | f | 89.06 | 85.81 | ----- | z | ----- | z | ----- | z | 54.11 | c | 72.91 | h | ||
1940 | 41.50 | e | 46.31 | c | 58.41 | d | 62.79 | b | 73.21 | c | 82.30 | 88.27 | a | 83.83 | a | 78.34 | a | 73.28 | b | 55.00 | d | 52.26 | d | 66.29 | ||
1941 | 49.53 | a | 55.29 | d | 53.52 | b | 61.83 | a | 72.68 | 78.07 | a | 85.10 | a | 85.68 | ----- | z | 75.60 | a | 55.07 | 39.63 | a | 64.73 | a | |||
1942 | 38.23 | 38.39 | 46.73 | a | 60.07 | ----- | z | 86.41 | a | 91.48 | 91.32 | 75.52 | a | ----- | z | 56.43 | p | 45.78 | m | 66.02 | d | |||||
1943 | ----- | z | ----- | z | ----- | z | 73.05 | h | 72.23 | 85.97 | 90.26 | 88.32 | 81.33 | 68.84 | 61.23 | 48.42 | 74.57 | d | ||||||||
1944 | 47.81 | 49.72 | 54.39 | 56.33 | 75.90 | 83.67 | 88.87 | 88.58 | 80.60 | 69.77 | 56.53 | 50.19 | 66.86 | |||||||||||||
1945 | 49.87 | 50.52 | a | 58.71 | 59.93 | a | 74.06 | 80.03 | 86.55 | 85.13 | 79.21 | a | 70.40 | a | 60.50 | 46.10 | 66.75 | |||||||||
1946 | 46.61 | 53.18 | 58.84 | 70.97 | 69.39 | 86.30 | 87.10 | 83.19 | 79.63 | 66.42 | 48.69 | a | 55.84 | 67.18 | ||||||||||||
1947 | 45.23 | 48.36 | 52.68 | 61.73 | 72.52 | 79.97 | 87.50 | a | 85.16 | 80.97 | 70.55 | 51.60 | 47.55 | 65.32 | ||||||||||||
1948 | 44.10 | 43.76 | 45.00 | ----- | z | ----- | z | 79.79 | a | 85.61 | 80.45 | 76.00 | 63.77 | 46.83 | 44.34 | b | 60.97 | b | ||||||||
1949 | 33.63 | a | 41.89 | 51.77 | 57.24 | a | 67.50 | a | 73.13 | 78.68 | 77.45 | 69.93 | a | 57.77 | 64.03 | 49.48 | 60.21 | |||||||||
1950 | 50.87 | 55.07 | 56.86 | b | 67.23 | 71.39 | 82.10 | 80.90 | 80.97 | 73.73 | 76.71 | 59.00 | 54.35 | 67.43 | ||||||||||||
1951 | 43.97 | 52.56 | a | 52.90 | a | 58.00 | 72.06 | 77.13 | 87.10 | 83.06 | 77.60 | 65.13 | 53.17 | 46.07 | a | 64.06 | ||||||||||
1952 | 49.03 | a | 47.59 | 50.52 | 62.23 | 71.06 | 85.07 | 85.23 | 83.10 | 77.13 | 69.65 | 48.30 | 45.26 | 64.51 | ||||||||||||
1953 | 54.16 | 48.50 | 58.42 | 61.07 | 66.61 | 84.63 | 84.94 | 82.68 | 79.67 | 67.03 | 58.41 | a | 46.00 | 66.01 | ||||||||||||
1954 | 51.48 | 59.50 | 50.39 | 70.27 | 69.84 | 84.13 | 85.97 | 83.61 | 79.37 | 68.43 | a | 61.00 | a | 51.87 | 67.99 | |||||||||||
1955 | 45.94 | 43.71 | 55.52 | 64.33 | 70.16 | 77.40 | 85.29 | 81.42 | 77.37 | 69.19 | 54.47 | 57.11 | m | 65.89 | a | |||||||||||
1956 | 49.61 | 43.48 | 56.61 | 63.17 | 78.52 | 88.60 | 86.35 | 84.10 | 85.33 | 72.00 | 52.27 | 49.94 | 67.50 | |||||||||||||
1957 | 46.19 | 56.86 | 54.50 | a | 57.00 | 66.55 | 81.33 | 85.85 | d | 84.48 | 79.52 | a | 66.55 | 46.34 | a | 53.37 | a | 64.88 | ||||||||
1958 | 46.77 | 53.39 | 44.23 | 58.87 | 76.32 | 85.37 | 87.03 | 87.55 | 81.32 | b | 69.06 | 58.21 | a | 52.48 | 66.72 | |||||||||||
1959 | 46.16 | 48.25 | 55.32 | 62.63 | 73.42 | 85.47 | 88.68 | 87.00 | 79.20 | 65.19 | 58.14 | a | 50.58 | 66.67 | ||||||||||||
1960 | 42.94 | 35.41 | 53.81 | 66.76 | a | 73.13 | 86.20 | 85.61 | 88.90 | 78.89 | b | 65.38 | b | 57.29 | b | 44.90 | 64.94 | |||||||||
1961 | 49.71 | 49.43 | 53.32 | 62.47 | 74.29 | 82.37 | 85.07 | a | 82.55 | 76.14 | a | 68.23 | 50.57 | 41.71 | 64.65 | |||||||||||
1962 | 42.19 | 53.11 | 52.87 | 65.13 | 77.87 | 82.03 | 86.58 | 89.97 | 80.00 | 71.97 | 57.83 | 51.29 | 67.57 | |||||||||||||
1963 | 38.63 | a | 51.36 | 54.61 | 69.13 | 78.61 | 85.17 | 90.97 | a | 83.19 | 81.77 | 73.81 | 59.57 | 47.16 | 67.83 | |||||||||||
1964 | 44.39 | 38.66 | 48.68 | 62.27 | 74.00 | 82.13 | 90.74 | 85.81 | 77.03 | 71.29 | 53.47 | 45.97 | 64.54 | |||||||||||||
1965 | 50.97 | 47.32 | 44.06 | 65.20 | 72.35 | 80.07 | 85.45 | 82.23 | 74.59 | a | 72.61 | 61.87 | 52.65 | 65.78 | ||||||||||||
1966 | 42.87 | 44.48 | a | 60.45 | 65.97 | 78.10 | 84.43 | 90.26 | 83.10 | 80.43 | 70.13 | 59.90 | 48.93 | a | 67.42 | |||||||||||
1967 | 48.97 | 50.37 | a | 63.65 | 67.63 | 71.35 | 80.07 | 85.55 | 82.16 | 77.67 | 72.19 | 56.87 | 40.23 | 66.39 | ||||||||||||
1968 | 46.94 | 50.21 | 55.39 | 58.77 | 70.29 | 85.77 | 84.65 | 80.55 | 77.60 | 70.55 | 51.97 | 46.39 | 64.92 | |||||||||||||
1969 | 51.45 | 48.82 | 43.87 | 66.67 | 73.26 | 77.67 | 87.97 | 87.10 | 78.43 | 58.87 | 54.80 | 47.42 | 64.69 | |||||||||||||
1970 | 44.71 | 53.50 | 49.35 | 60.00 | 75.61 | 81.03 | 87.03 | 87.71 | 77.57 | 60.03 | 53.57 | 50.81 | 65.08 | |||||||||||||
1971 | 48.13 | 46.43 | 57.65 | 63.67 | 72.13 | 86.07 | 86.32 | 83.87 | 75.30 | 67.06 | 55.83 | 45.23 | 65.64 | |||||||||||||
1972 | 47.45 | 54.28 | 62.61 | 67.13 | 73.26 | 85.13 | 86.77 | 84.29 | 78.40 | 67.23 | 44.67 | 45.30 | a | 66.38 | ||||||||||||
1973 | 42.03 | a | 49.29 | 50.35 | 55.10 | 70.16 | 82.73 | 86.90 | a | 86.42 | 75.97 | 70.48 | 58.52 | a | 45.90 | 64.49 | ||||||||||
1974 | 40.77 | a | 47.79 | 60.77 | 64.47 | 80.14 | c | 86.13 | 87.77 | 82.16 | 75.87 | 68.60 | a | 53.76 | a | 42.50 | a | 65.89 | ||||||||
1975 | 45.71 | 45.54 | 52.71 | 61.97 | a | 71.86 | b | 83.50 | 86.35 | 85.90 | 75.87 | 72.87 | 53.47 | 50.71 | 65.54 | |||||||||||
1976 | 47.61 | 53.72 | 55.57 | a | 63.80 | 71.29 | 84.70 | 87.06 | 83.39 | 74.53 | 62.84 | 52.70 | 47.26 | 65.37 | ||||||||||||
1977 | 44.19 | 50.29 | 52.68 | 63.57 | 75.23 | 87.30 | 88.58 | 84.58 | 81.47 | 73.00 | 57.43 | 52.29 | 67.55 | |||||||||||||
1978 | 44.84 | 47.00 | 59.18 | c | 69.29 | b | 69.81 | 81.97 | a | 89.87 | 83.68 | 80.53 | 70.62 | b | 53.30 | 38.29 | 65.70 | |||||||||
1979 | 37.00 | b | 49.25 | 55.52 | 64.60 | 69.39 | 81.03 | 90.45 | 83.45 | 82.86 | a | 71.13 | 47.43 | 50.77 | 65.24 | |||||||||||
1980 | 44.16 | 53.38 | 55.43 | a | 62.30 | 70.33 | a | 89.93 | 93.65 | 88.03 | 82.40 | 69.58 | 56.70 | 58.68 | 68.71 | |||||||||||
1981 | 55.42 | 57.39 | 55.26 | 73.43 | 73.74 | 89.70 | 89.23 | 83.61 | 80.27 | 68.61 | 61.17 | 51.94 | 69.98 | |||||||||||||
1982 | 49.03 | 48.75 | 58.42 | 66.97 | 73.37 | a | 80.73 | 89.29 | 85.97 | 78.38 | a | 67.52 | 55.29 | b | 47.40 | a | 66.76 | |||||||||
1983 | 48.97 | 51.93 | a | 53.40 | a | 59.50 | 71.13 | 80.69 | a | 90.07 | a | 89.16 | 83.10 | a | 71.58 | 55.86 | b | 36.94 | 66.03 | |||||||
1984 | 46.57 | a | 51.55 | 53.81 | 63.36 | b | 78.97 | 83.59 | a | 88.63 | a | 84.48 | 80.50 | b | 60.97 | a | 57.50 | 50.87 | a | 66.73 | ||||||
1985 | 42.00 | b | 47.11 | 57.20 | a | 67.33 | c | 73.73 | a | 84.28 | a | 87.10 | a | 87.23 | 76.86 | a | 68.97 | b | 53.48 | a | 47.13 | 66.03 | ||||
1986 | 57.42 | 52.21 | 63.10 | a | 65.80 | 73.63 | a | 81.82 | b | 86.97 | a | 84.83 | a | 76.97 | a | 66.13 | 55.37 | 45.68 | 67.49 | |||||||
1987 | 46.26 | 48.29 | 52.90 | a | 67.90 | 72.00 | 84.60 | 89.65 | 83.35 | 78.17 | 71.77 | a | 54.60 | 44.26 | 66.14 | |||||||||||
1988 | 41.84 | 50.90 | 55.39 | 67.93 | 72.64 | c | 84.00 | 87.13 | 86.48 | 77.23 | 72.68 | 55.60 | 48.38 | b | 66.68 | |||||||||||
1989 | 49.93 | a | 44.04 | c | 66.10 | a | 69.33 | 78.06 | 80.97 | 88.27 | a | 84.00 | 78.72 | a | 69.06 | 61.33 | 45.71 | 67.96 | ||||||||
1990 | 49.13 | 48.79 | 57.40 | a | 66.23 | 71.71 | 89.70 | 83.77 | a | 83.81 | 80.33 | 70.87 | 60.03 | 45.07 | a | 67.24 | ||||||||||
1991 | 46.65 | 56.82 | 56.35 | 66.23 | 77.45 | b | 83.27 | 84.84 | 83.32 | 78.14 | a | 70.97 | 48.79 | a | 47.10 | a | 66.66 | |||||||||
1992 | 50.71 | 52.10 | 58.16 | 70.69 | a | 74.39 | 79.03 | 83.80 | a | 82.23 | 81.90 | a | 73.26 | 47.66 | a | 45.48 | b | 66.62 | ||||||||
1993 | 47.26 | 45.93 | 56.42 | 64.33 | 71.90 | a | 82.14 | a | 89.03 | 82.52 | 78.93 | 68.17 | a | 51.03 | a | 49.32 | 65.58 | |||||||||
1994 | 50.13 | a | 51.27 | b | 59.55 | 64.77 | 74.00 | 87.66 | a | 87.94 | 85.43 | a | 80.00 | 68.63 | a | 55.61 | b | 52.65 | 68.14 | |||||||
1995 | 47.65 | 58.39 | 57.13 | 60.07 | 66.87 | 77.87 | 84.89 | c | 89.80 | a | 77.96 | b | 72.50 | a | 61.37 | 50.94 | 67.12 | |||||||||
1996 | 48.16 | 54.31 | 55.90 | 65.74 | c | 80.27 | a | 83.83 | 85.81 | 84.03 | 76.59 | a | 68.97 | a | 58.34 | a | 50.83 | a | 67.73 | |||||||
1997 | 45.31 | b | 47.11 | 63.52 | b | 58.48 | a | 72.39 | 80.71 | b | 85.27 | a | 81.93 | a | 79.43 | b | 67.71 | 51.56 | c | 40.80 | a | 64.52 | ||||
1998 | 49.55 | 47.29 | 54.39 | 61.10 | a | 76.35 | 82.60 | 85.39 | 83.26 | 83.03 | 68.39 | c | 58.63 | 49.57 | a | 66.63 | ||||||||||
1999 | 51.80 | a | 58.82 | 62.10 | 59.48 | a | 71.10 | a | 80.66 | a | 85.57 | a | 83.33 | a | 75.11 | b | 71.81 | 67.23 | 48.19 | 67.93 | ||||||
2000 | 51.52 | 57.93 | b | 56.26 | 70.37 | 80.61 | 84.00 | a | 89.26 | 88.84 | 82.54 | b | 67.13 | a | 49.93 | 48.10 | a | 68.87 | ||||||||
2001 | 46.71 | 52.56 | a | 56.27 | a | 69.03 | 74.94 | 86.31 | a | 89.68 | 85.86 | b | 82.47 | 71.90 | 60.03 | 49.52 | 68.77 | |||||||||
2002 | 48.81 | 52.78 | a | 58.13 | 72.37 | 78.41 | b | 90.77 | 90.68 | 89.48 | 79.28 | a | 64.77 | a | 56.07 | 47.77 | 69.11 | |||||||||
2003 | 55.73 | a | 45.50 | 56.29 | 67.86 | a | 76.97 | a | 80.03 | 93.93 | c | 86.58 | 78.73 | 74.74 | 57.23 | 51.07 | a | 68.72 | ||||||||
2004 | 50.10 | a | 45.79 | a | 65.58 | 61.87 | 78.31 | b | 81.36 | b | 84.90 | a | 82.93 | a | 80.57 | 68.82 | c | 53.38 | a | 49.52 | b | 66.93 | ||||
2005 | 51.67 | a | 48.63 | a | 53.97 | b | 64.22 | c | 74.21 | c | 84.48 | e | 91.28 | b | 85.04 | e | 82.56 | c | 71.58 | g | 61.29 | b | 51.85 | d | 68.11 | a |
2006 | 52.81 | e | 54.31 | b | 58.39 | c | 73.38 | d | 78.54 | e | 88.81 | c | 88.47 | a | 83.50 | a | 75.82 | b | 70.15 | e | 61.33 | x | ----- | z | 72.42 | b |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | 69.84 | 80.80 | 85.97 | 88.48 | 80.90 | 71.13 | 59.03 | 41.84 | 72.25 | d | ||||||||
2008 | 40.55 | 46.72 | 52.97 | 61.93 | 70.42 | 85.90 | 88.84 | 82.48 | 76.27 | 68.71 | 59.10 | 45.87 | 64.98 | |||||||||||||
2009 | 48.71 | 54.32 | 58.81 | 61.03 | 74.26 | 79.13 | 87.65 | 85.06 | 76.17 | 58.65 | 58.14 | a | 38.65 | 65.05 | ||||||||||||
2010 | 47.97 | 41.00 | 51.26 | 63.27 | 70.10 | 84.70 | 87.97 | 85.90 | 84.87 | 69.94 | 56.03 | 52.13 | 66.26 | |||||||||||||
2011 | 45.65 | 44.56 | a | 59.74 | 66.83 | 69.71 | 88.47 | 92.10 | 90.29 | 77.63 | 67.68 | 56.43 | 41.65 | 66.73 | ||||||||||||
2012 | 53.06 | 47.10 | 62.87 | 68.07 | 74.61 | 90.90 | 90.52 | 87.81 | 79.43 | 68.42 | 62.40 | 47.52 | 69.39 | |||||||||||||
2013 | 46.03 | 44.32 | 55.29 | 59.30 | 72.23 | 87.73 | 86.61 | 85.90 | 80.53 | 65.94 | 52.83 | 44.81 | 65.13 | |||||||||||||
2014 | 47.19 | 49.32 | 57.16 | 63.87 | 70.19 | 86.27 | 85.71 | 81.81 | 80.60 | 70.00 | 53.10 | 47.10 | 66.03 | |||||||||||||
2015 | 47.65 | 48.46 | 56.68 | 63.87 | 65.94 | 84.03 | 84.45 | 87.94 | 84.20 | 70.97 | 55.97 | 46.81 | 66.41 | |||||||||||||
2016 | 46.52 | 53.66 | 58.97 | 61.47 | 68.84 | 86.90 | 91.42 | 83.81 | 82.70 | 75.65 | 62.23 | 46.68 | 68.24 | |||||||||||||
2017 | 43.84 | 56.21 | 64.39 | 62.27 | 67.71 | 83.63 | 86.42 | 82.39 | 76.93 | 67.35 | 63.57 | 53.29 | 67.33 | |||||||||||||
2018 | 52.10 | 50.61 | 60.90 | 64.27 | 78.42 | 90.03 | 89.65 | 85.35 | 83.13 | 63.74 | 50.40 | 46.77 | 67.95 | |||||||||||||
2019 | 45.53 | a | 48.96 | 54.81 | 65.13 | 66.61 | 83.23 | 91.39 | 90.77 | 86.93 | 63.27 | a | 55.37 | 47.48 | 66.62 | |||||||||||
2020 | 48.77 | 43.48 | 61.00 | 63.80 | 79.06 | 88.20 | 90.81 | 91.81 | 78.83 | 69.77 | 59.80 | 46.90 | 68.52 | |||||||||||||
2021 | 44.77 | 44.54 | 52.68 | 62.77 | 69.35 | 83.67 | 87.52 | 87.26 | 85.20 | 69.35 | 62.73 | 55.52 | 67.11 | |||||||||||||
2022 | 46.90 | 43.79 | 53.65 | 66.87 | 73.90 | 83.17 | 90.19 | 86.52 | 84.47 | 66.65 | 51.67 | 49.35 | 66.43 | |||||||||||||
2023 | 44.32 | 49.43 | 52.77 | 63.43 | 72.90 | 81.17 | 93.39 | 89.48 | 82.07 | 69.39 | 58.63 | 49.52 | 67.21 | |||||||||||||
2024 | 43.57 | a | 51.38 | 55.16 | 64.18 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.04 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.08 | 49.52 | 55.82 | 64.23 | 73.03 | 83.56 | 87.62 | 85.15 | 79.21 | 68.94 | 56.06 | 48.08 | 66.56 | |||||||||||||
S.D. | 4.23 | 4.73 | 4.59 | 3.85 | 3.71 | 3.47 | 2.73 | 2.83 | 3.01 | 3.72 | 4.53 | 4.15 | 1.52 | |||||||||||||
SKEW | -0.25 | -0.27 | -0.32 | 0.11 | 0.11 | -0.07 | -0.25 | 0.24 | -0.01 | -0.80 | -0.26 | -0.34 | -0.71 | |||||||||||||
MAX | 57.42 | 59.50 | 66.10 | 73.43 | 80.61 | 90.90 | 93.93 | 91.81 | 86.93 | 76.71 | 67.23 | 58.68 | 69.98 | |||||||||||||
MIN | 33.63 | 35.41 | 43.87 | 55.10 | 64.23 | 73.13 | 78.68 | 77.45 | 69.93 | 57.77 | 44.67 | 36.94 | 60.21 | |||||||||||||
YRS | 87 | 87 | 87 | 87 | 86 | 86 | 88 | 89 | 86 | 86 | 85 | 85 | 77 |