YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.00 | d | 73.58 | 78.84 | 79.60 | 63.00 | 52.60 | 47.06 | 66.53 | e | ||||||
1964 | 47.71 | 50.72 | 51.81 | 57.43 | 61.52 | 69.27 | 78.07 | a | 76.81 | 72.90 | 67.79 | b | 48.77 | 44.93 | a | 60.64 | ||||||||||
1965 | 43.93 | c | 50.79 | 59.71 | 62.07 | 64.23 | a | 72.83 | 81.97 | 78.77 | 73.13 | 65.03 | 54.07 | 42.33 | a | 62.41 | ||||||||||
1966 | 44.61 | 48.46 | 53.06 | 63.47 | 69.90 | 74.10 | a | 78.45 | 82.84 | 76.23 | 63.74 | 53.93 | 48.35 | 63.10 | ||||||||||||
1967 | 48.03 | a | 52.61 | 51.90 | 54.97 | 68.52 | 76.00 | 83.10 | 89.19 | 80.83 | 63.61 | 53.83 | 45.47 | a | 64.01 | |||||||||||
1968 | 46.32 | 55.52 | 56.53 | a | 58.50 | 63.71 | 71.67 | 79.52 | 75.26 | 72.93 | 61.97 | 52.27 | 44.30 | a | 61.54 | |||||||||||
1969 | 40.45 | 45.32 | 58.61 | 60.13 | 70.16 | 74.80 | 77.87 | 79.71 | 74.43 | 60.19 | 53.50 | 48.38 | b | 61.96 | ||||||||||||
1970 | 46.00 | b | 53.79 | 56.00 | a | 56.27 | 67.32 | 78.20 | 82.39 | 81.13 | 71.97 | 63.61 | 52.48 | a | 43.48 | 62.72 | ||||||||||
1971 | 44.27 | a | 48.21 | 49.13 | 57.73 | 65.23 | 67.10 | 80.35 | 82.13 | 70.97 | 60.55 | 50.50 | 44.03 | 60.02 | ||||||||||||
1972 | 44.23 | 49.86 | 56.10 | 54.70 | 68.19 | 72.70 | 84.03 | 84.71 | 72.37 | 64.68 | 52.13 | 42.23 | 62.16 | |||||||||||||
1973 | 43.03 | a | 52.89 | 53.06 | 61.60 | 68.65 | 73.34 | a | 80.77 | 78.42 | 74.13 | 61.77 | 48.30 | 48.32 | 62.03 | |||||||||||
1974 | 44.03 | 46.29 | 53.26 | 55.67 | f | 62.16 | 73.73 | 76.42 | 81.16 | 81.83 | 68.14 | b | 52.60 | 48.29 | 62.54 | a | ||||||||||
1975 | 48.03 | a | 48.61 | 51.35 | 55.30 | 67.06 | 71.00 | 78.35 | 74.97 | 79.00 | 60.23 | a | 51.43 | 47.90 | 61.10 | |||||||||||
1976 | 47.06 | 49.24 | 51.19 | 56.97 | 66.87 | 68.77 | 77.32 | 74.35 | 75.63 | 66.48 | 54.83 | a | 44.03 | 61.06 | ||||||||||||
1977 | 46.29 | 53.46 | 51.71 | 62.43 | 60.47 | a | 73.80 | 76.16 | 82.35 | 69.20 | 63.97 | 50.77 | 47.61 | 61.52 | ||||||||||||
1978 | 45.39 | 50.64 | 58.55 | 58.13 | 62.80 | a | 74.07 | 78.84 | 77.68 | 67.47 | 67.74 | 48.70 | 42.03 | 61.00 | ||||||||||||
1979 | 37.42 | 46.07 | 57.68 | 58.30 | 68.06 | 74.97 | 79.48 | 76.65 | 74.40 | 66.65 | 50.47 | 48.45 | 61.55 | |||||||||||||
1980 | 43.81 | 49.90 | 52.58 | 61.00 | 64.35 | 66.17 | 78.29 | 76.45 | 74.53 | 65.77 | 51.53 | 47.26 | 60.97 | |||||||||||||
1981 | 47.48 | 49.14 | 55.29 | 58.43 | 62.90 | 68.53 | 77.16 | 81.84 | 74.47 | 60.61 | 52.07 | 47.68 | 61.30 | |||||||||||||
1982 | 42.42 | 48.22 | a | 53.60 | a | 56.27 | 67.71 | 73.27 | 76.71 | 78.13 | 72.77 | 61.77 | 47.77 | 45.26 | 60.32 | |||||||||||
1983 | 47.35 | 50.00 | 54.48 | 59.97 | 68.39 | 68.17 | 71.45 | 77.06 | 70.07 | 61.77 | 51.30 | 39.77 | 59.98 | |||||||||||||
1984 | 47.16 | 50.36 | a | 56.61 | 56.20 | 62.39 | 68.60 | 80.35 | 78.58 | 71.57 | 57.52 | 49.00 | 42.16 | 60.04 | ||||||||||||
1985 | 42.00 | a | 46.79 | 51.61 | 60.83 | 65.39 | 74.03 | 84.65 | 77.68 | 68.50 | 61.61 | 43.73 | 38.68 | 59.62 | ||||||||||||
1986 | 47.03 | 48.57 | 57.65 | 57.07 | a | 64.65 | 74.50 | 71.90 | 82.42 | 67.10 | 61.90 | 52.27 | 42.84 | 60.66 | ||||||||||||
1987 | 44.13 | 50.00 | 53.19 | 62.97 | 67.94 | 74.07 | 72.90 | 78.90 | 73.33 | 68.03 | 50.76 | a | 41.45 | 61.47 | ||||||||||||
1988 | 42.45 | 50.07 | 53.32 | 59.00 | 61.61 | 68.50 | 78.13 | 77.68 | 73.67 | 65.06 | 50.97 | 44.03 | 60.37 | |||||||||||||
1989 | 45.29 | 41.04 | 49.93 | b | 64.10 | 65.23 | 73.10 | 72.52 | 73.55 | 77.00 | a | 60.81 | 52.45 | a | 43.06 | 59.84 | ||||||||||
1990 | 47.23 | a | 45.07 | 56.33 | a | 62.83 | a | 63.81 | 68.73 | 81.35 | 79.13 | 74.80 | 60.55 | 51.41 | a | 39.37 | a | 60.88 | ||||||||
1991 | 44.83 | b | 54.29 | 50.94 | 56.83 | 60.39 | 66.07 | 80.65 | 78.90 | 77.83 | 65.61 | 51.73 | 44.55 | 61.05 | ||||||||||||
1992 | 47.90 | 54.18 | a | 60.23 | 61.83 | 73.90 | 76.47 | 79.68 | 81.84 | 71.83 | 62.71 | 49.85 | c | 42.55 | 63.58 | |||||||||||
1993 | 40.90 | 45.43 | 54.48 | 56.27 | 67.13 | 68.59 | a | 70.94 | 76.61 | 76.23 | 65.65 | 47.57 | 43.35 | 59.43 | ||||||||||||
1994 | 47.87 | 46.93 | 56.48 | 59.97 | 67.00 | 68.73 | 81.71 | 78.39 | 75.73 | 61.52 | 45.93 | 45.81 | 61.34 | |||||||||||||
1995 | 47.77 | a | 53.32 | 53.71 | 57.93 | 68.26 | 71.50 | 79.23 | 77.10 | 74.43 | 61.19 | 55.23 | 45.87 | 62.13 | ||||||||||||
1996 | 45.87 | 47.69 | 54.58 | 59.87 | 62.23 | 70.77 | 82.58 | 80.65 | 70.33 | 59.81 | 51.30 | 46.13 | 60.98 | |||||||||||||
1997 | 45.32 | 49.29 | 53.19 | 57.93 | 71.19 | 69.80 | 77.45 | 81.00 | 73.57 | 59.65 | 54.40 | 44.43 | a | 61.44 | ||||||||||||
1998 | 47.77 | 50.04 | 55.32 | 60.13 | 62.16 | 72.03 | 80.84 | 81.00 | 78.10 | 61.58 | 52.13 | 43.81 | 62.08 | |||||||||||||
1999 | 45.90 | 47.07 | 51.06 | 59.57 | 62.68 | 68.80 | 76.81 | 77.42 | 77.63 | 65.00 | 54.21 | a | 46.81 | 61.08 | ||||||||||||
2000 | 43.48 | 49.10 | 52.58 | 62.37 | 64.61 | 75.20 | 76.97 | 79.00 | 72.97 | 63.26 | 47.69 | a | 44.87 | 61.01 | ||||||||||||
2001 | 46.13 | 49.82 | 54.84 | 56.90 | 69.97 | 68.67 | 76.45 | 77.90 | 76.17 | 63.26 | 52.33 | 45.03 | 61.46 | |||||||||||||
2002 | 45.16 | 51.11 | 51.26 | 60.30 | 64.16 | 72.30 | 81.00 | ----- | z | 77.83 | 65.23 | 53.70 | 46.83 | a | 60.81 | a | ||||||||||
2003 | 50.42 | 51.61 | 55.19 | 57.20 | 66.94 | 77.30 | 85.35 | 82.58 | 78.53 | 66.35 | 48.97 | 46.00 | 63.87 | |||||||||||||
2004 | 44.10 | 49.72 | 60.52 | 64.31 | a | 67.35 | 73.43 | 84.29 | 82.65 | 72.33 | 63.58 | 51.13 | 47.16 | 63.38 | ||||||||||||
2005 | 47.42 | 51.00 | 59.90 | 60.17 | 67.13 | 69.50 | 82.13 | 85.52 | 76.03 | 63.23 | 49.90 | 43.26 | 62.93 | |||||||||||||
2006 | 48.16 | 49.71 | 52.13 | 62.04 | c | 69.87 | 74.27 | 84.52 | 82.23 | 78.90 | 65.68 | 50.53 | 44.10 | 63.51 | ||||||||||||
2007 | 43.37 | a | 49.75 | 58.10 | 60.13 | 68.68 | 72.33 | 81.68 | 80.16 | 75.03 | 59.90 | 51.43 | 45.30 | a | 62.16 | |||||||||||
2008 | 41.45 | 50.72 | 53.10 | 57.07 | 67.61 | 71.40 | 82.81 | 80.84 | 78.50 | 63.87 | 54.53 | 43.61 | 62.13 | |||||||||||||
2009 | 45.42 | 49.21 | 51.87 | 61.27 | 70.35 | 73.47 | 84.55 | 82.45 | 78.33 | 62.87 | 52.76 | a | 42.00 | 62.88 | ||||||||||||
2010 | 50.39 | 52.86 | 57.06 | 59.07 | 63.81 | 70.00 | b | 81.19 | 80.77 | 73.83 | 64.71 | 51.20 | 47.61 | 62.71 | ||||||||||||
2011 | 46.71 | 48.50 | 52.10 | 56.20 | 62.87 | 70.07 | 76.97 | 83.50 | a | 81.33 | 63.84 | 50.63 | 44.23 | 61.41 | ||||||||||||
2012 | 46.71 | 50.41 | 50.71 | 60.80 | e | 67.61 | 69.79 | f | 78.03 | 84.87 | 81.10 | 66.45 | 52.79 | a | 46.29 | 62.34 | a | |||||||||
2013 | 41.00 | 49.00 | a | 57.52 | 62.87 | 69.74 | 76.13 | 86.26 | 80.94 | 74.07 | 63.06 | 51.47 | 41.06 | 62.76 | ||||||||||||
2014 | 46.19 | 47.54 | 58.97 | 62.83 | 71.52 | 74.67 | 85.61 | 86.65 | 81.63 | 69.10 | 52.83 | 48.77 | 65.53 | |||||||||||||
2015 | 49.13 | 56.86 | 64.06 | 62.77 | 71.39 | 83.17 | 87.16 | 86.87 | 76.77 | 70.03 | 52.30 | 47.19 | 67.31 | |||||||||||||
2016 | 46.74 | 54.90 | 56.55 | 69.63 | 72.29 | 77.43 | 80.71 | 87.19 | 77.63 | 61.35 | 56.07 | 42.32 | 65.24 | |||||||||||||
2017 | 41.03 | 48.93 | 55.35 | 58.83 | 71.35 | 75.83 | 85.35 | 89.27 | a | 79.90 | 65.26 | 53.07 | 44.42 | 64.05 | ||||||||||||
2018 | 49.32 | c | 50.96 | 54.16 | 61.03 | 72.45 | 76.43 | 87.45 | 83.45 | 77.48 | g | 69.00 | 58.00 | q | 49.03 | 65.33 | b | |||||||||
2019 | 48.19 | 43.25 | 56.74 | 62.37 | 72.45 | 78.03 | 80.16 | 84.90 | 72.87 | 63.18 | c | ----- | z | ----- | z | 66.21 | b | |||||||||
2020 | ----- | z | ----- | z | ----- | z | ----- | z | 69.94 | 74.43 | 83.52 | 85.87 | 78.20 | 66.23 | 51.73 | 47.48 | 69.67 | d | ||||||||
2021 | 47.81 | 49.43 | 56.52 | 68.33 | 71.48 | 84.00 | e | 87.35 | 86.19 | 80.03 | 61.42 | 53.83 | 45.29 | 65.97 | ||||||||||||
2022 | 46.42 | 50.50 | 58.16 | 57.63 | 63.81 | 68.29 | i | 84.93 | a | 88.58 | 81.37 | 72.13 | 47.70 | 44.03 | 63.21 | a | ||||||||||
2023 | 46.45 | 47.61 | 50.61 | 58.30 | 75.10 | 79.63 | 88.58 | 90.13 | 76.23 | 64.48 | 51.20 | 49.39 | 64.81 | |||||||||||||
2024 | 45.68 | 52.03 | 55.55 | 64.24 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.09 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.57 | 49.74 | 54.80 | 59.82 | 66.94 | 72.80 | 80.25 | 81.03 | 75.34 | 63.85 | 51.43 | 44.96 | 62.05 | |||||||||||||
S.D. | 2.59 | 2.90 | 3.11 | 3.04 | 3.60 | 3.79 | 4.16 | 3.94 | 3.63 | 2.89 | 2.34 | 2.54 | 1.68 | |||||||||||||
SKEW | -0.70 | -0.18 | 0.49 | 0.78 | 0.09 | 0.60 | -0.19 | 0.43 | -0.13 | 0.46 | -0.78 | -0.29 | 0.98 | |||||||||||||
MAX | 50.42 | 56.86 | 64.06 | 69.63 | 75.10 | 84.00 | 88.58 | 90.13 | 81.83 | 72.13 | 56.07 | 49.39 | 67.31 | |||||||||||||
MIN | 37.42 | 41.04 | 49.13 | 54.70 | 60.39 | 66.07 | 70.94 | 73.55 | 67.10 | 57.52 | 43.73 | 38.68 | 59.43 | |||||||||||||
YRS | 60 | 60 | 60 | 58 | 60 | 59 | 61 | 60 | 60 | 61 | 59 | 60 | 53 |