YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.48 | k | |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.93 | 41.10 | 48.52 | j | ||
1968 | 43.39 | 52.90 | 52.94 | 54.83 | a | 62.55 | 68.33 | 76.23 | 71.65 | 69.97 | 60.81 | 53.13 | 39.81 | 58.88 | ||||||||||||
1969 | 47.74 | 44.36 | 50.16 | 53.47 | 62.06 | 64.17 | 75.32 | 79.10 | 72.57 | 56.65 | 51.37 | 43.42 | 58.36 | |||||||||||||
1970 | 42.29 | 49.25 | 51.42 | 51.23 | 62.90 | 68.90 | 76.81 | 79.03 | 67.03 | 56.74 | 50.03 | 41.26 | 58.08 | |||||||||||||
1971 | 41.35 | 44.21 | 49.39 | 51.70 | 56.87 | 65.70 | 75.52 | 76.94 | 69.57 | 54.10 | 49.27 | 41.35 | 56.33 | |||||||||||||
1972 | 39.81 | 50.41 | 57.19 | 48.73 | 60.61 | 69.33 | 76.71 | 72.77 | 66.63 | 59.23 | 47.77 | 42.48 | 57.64 | |||||||||||||
1973 | 40.81 | 47.29 | 46.55 | 55.20 | 63.13 | 70.77 | 73.19 | 72.10 | 63.77 | 58.71 | 49.63 | 43.74 | 57.07 | |||||||||||||
1974 | 42.40 | a | 42.39 | 49.45 | 54.63 | 60.26 | 72.40 | 76.35 | 74.81 | 73.83 | 61.87 | 50.13 | 41.39 | 58.33 | ||||||||||||
1975 | 40.94 | 44.54 | 47.83 | a | 48.50 | 60.74 | 67.77 | 75.71 | 73.84 | 72.90 | 59.29 | 49.40 | 44.16 | 57.13 | ||||||||||||
1976 | 43.45 | 48.62 | 48.39 | 50.73 | 60.97 | b | 68.60 | 75.58 | 70.13 | 68.90 | 59.81 | 50.70 | 41.48 | 57.28 | ||||||||||||
1977 | 43.26 | 47.43 | 45.39 | 55.67 | 55.73 | a | 70.69 | a | 76.42 | 76.06 | 66.87 | 61.97 | 51.60 | 48.84 | 58.33 | |||||||||||
1978 | 45.90 | 46.39 | 49.55 | 48.50 | 59.74 | 69.93 | 75.61 | 73.65 | 66.77 | 64.35 | 48.27 | 39.71 | 57.36 | |||||||||||||
1979 | 40.35 | 42.79 | 48.39 | 52.83 | 59.84 | 68.80 | 73.06 | 71.06 | 73.27 | 61.00 | 47.30 | 45.42 | 57.01 | |||||||||||||
1980 | 48.77 | a | 49.64 | a | 46.90 | 52.97 | 53.84 | 63.27 | 76.10 | 72.68 | 68.63 | 61.29 | 49.93 | 48.45 | 57.71 | |||||||||||
1981 | 47.90 | 48.07 | a | 48.48 | 56.87 | 60.45 | 73.47 | 76.32 | 77.61 | 70.70 | 57.23 | 51.93 | 47.03 | 59.67 | ||||||||||||
1982 | 42.06 | 48.71 | 48.81 | 53.43 | 58.52 | 62.83 | 73.10 | a | 76.23 | 68.45 | a | 59.13 | 48.33 | 42.68 | 56.86 | |||||||||||
1983 | 44.32 | 46.68 | 49.97 | 48.07 | 57.55 | 62.57 | 72.13 | 71.55 | 66.17 | a | 59.68 | 48.97 | 43.74 | 55.95 | ||||||||||||
1984 | 45.35 | 45.00 | 50.23 | 52.10 | 65.16 | 66.67 | 76.97 | 75.35 | 73.14 | a | 56.06 | 47.30 | 42.42 | 57.98 | ||||||||||||
1985 | 41.06 | 41.82 | 46.32 | 57.20 | 59.65 | 69.57 | 76.45 | 72.45 | 63.00 | a | 59.48 | 47.43 | 43.87 | 56.53 | ||||||||||||
1986 | 47.19 | 47.25 | 51.94 | 52.80 | 59.97 | 69.50 | 71.52 | 77.42 | 62.57 | 57.10 | 50.17 | 42.71 | 57.51 | |||||||||||||
1987 | 38.45 | 45.57 | 47.87 | 58.79 | a | 61.74 | 70.27 | 70.52 | 73.47 | a | 69.47 | 64.87 | 48.83 | a | 39.37 | d | 57.43 | |||||||||
1988 | 40.89 | c | 47.41 | 49.65 | 54.20 | 60.74 | 67.41 | a | 76.17 | a | 74.61 | 69.31 | a | 66.29 | 50.60 | 43.71 | 58.42 | |||||||||
1989 | 40.71 | 44.71 | 54.17 | a | 60.07 | a | 61.52 | 69.10 | 76.52 | 71.61 | 70.27 | 59.10 | 51.83 | 43.68 | 58.61 | |||||||||||
1990 | 42.16 | 42.86 | 51.37 | d | 56.87 | 57.45 | 70.55 | a | 77.39 | 73.24 | b | 69.60 | 61.06 | 50.36 | b | 38.19 | 57.59 | |||||||||
1991 | 43.97 | b | 51.00 | 46.06 | 50.67 | 55.45 | 63.13 | 73.94 | 73.23 | 70.80 | 63.35 | 50.47 | 44.00 | a | 57.17 | |||||||||||
1992 | 42.74 | 48.72 | 47.94 | 55.87 | 62.74 | 66.53 | 74.61 | 77.16 | 72.60 | 62.77 | 48.87 | 40.70 | a | 58.44 | ||||||||||||
1993 | 43.79 | c | 46.88 | c | 53.75 | g | 55.77 | 60.52 | 67.17 | 68.39 | 72.19 | 68.37 | 61.41 | b | 49.29 | b | 43.00 | a | 57.89 | a | ||||||
1994 | 45.81 | 44.18 | 52.74 | 54.80 | 60.10 | 72.80 | 76.23 | a | 78.84 | 71.77 | 59.81 | 43.13 | 43.26 | 58.62 | ||||||||||||
1995 | 46.26 | 50.82 | 51.17 | a | 53.77 | 57.23 | 67.83 | 75.39 | 79.45 | 74.23 | 61.71 | 55.30 | 47.55 | 60.06 | ||||||||||||
1996 | 46.87 | 51.86 | 52.26 | 59.10 | 64.03 | 69.73 | 79.84 | 78.71 | 70.27 | 61.00 | 52.07 | 45.90 | 60.97 | |||||||||||||
1997 | 48.48 | 47.07 | 54.33 | a | 55.90 | 69.81 | 67.67 | 73.35 | 78.45 | 75.00 | 59.65 | 52.53 | 42.77 | 60.42 | ||||||||||||
1998 | 44.84 | 45.39 | 47.55 | 51.27 | 54.55 | 62.43 | 76.55 | 79.77 | 68.43 | 58.39 | 49.53 | 43.00 | 56.81 | |||||||||||||
1999 | 44.45 | 45.00 | 46.90 | 51.23 | 58.71 | 67.17 | 74.74 | 73.97 | 70.90 | 63.61 | 52.63 | 45.32 | 57.89 | |||||||||||||
2000 | 47.84 | 49.00 | 49.71 | 57.80 | 65.58 | 71.57 | 74.81 | 77.16 | 69.87 | 60.19 | 46.53 | 46.55 | 59.72 | |||||||||||||
2001 | 43.23 | 45.48 | a | 51.61 | 51.77 | 67.39 | 72.33 | 73.97 | a | 77.87 | 73.76 | a | 63.79 | b | 54.80 | 42.39 | 59.87 | |||||||||
2002 | 43.48 | 44.04 | 49.37 | a | 56.83 | a | 60.97 | 70.24 | a | 79.26 | 74.35 | 73.17 | a | 58.00 | 52.97 | a | 44.00 | a | 58.89 | |||||||
2003 | 49.45 | 46.33 | a | 51.77 | a | 50.47 | 63.55 | 69.50 | 80.39 | 78.58 | 73.72 | a | 68.32 | 50.13 | 44.58 | 60.57 | ||||||||||
2004 | 45.39 | 44.55 | 57.03 | 57.37 | 62.45 | 68.30 | 76.74 | 75.81 | 69.33 | 59.29 | 50.21 | k | 43.55 | 59.98 | a | |||||||||||
2005 | 45.43 | a | 46.25 | 49.50 | a | 52.27 | 61.48 | 64.60 | 77.03 | a | 76.16 | 66.57 | 60.15 | e | 51.93 | 45.32 | 58.06 | |||||||||
2006 | 43.87 | 46.61 | 45.90 | 51.63 | 62.42 | 73.93 | 82.29 | 74.81 | 70.03 | 58.71 | 53.57 | 41.97 | 58.81 | |||||||||||||
2007 | 39.61 | 47.21 | 53.84 | 55.87 | 62.67 | a | 68.97 | 77.27 | a | 77.97 | 68.93 | 59.87 | 53.50 | 39.94 | 58.80 | |||||||||||
2008 | 42.58 | 44.72 | 50.42 | 54.30 | 58.81 | 72.53 | 77.19 | 77.39 | 73.37 | 62.19 | 53.73 | h | 43.87 | 59.76 | a | |||||||||||
2009 | 45.81 | 45.00 | 47.48 | 53.20 | 67.58 | 66.33 | 79.48 | 75.06 | 72.43 | 57.97 | 50.67 | 42.84 | 58.65 | |||||||||||||
2010 | 44.58 | 47.00 | 47.97 | 50.87 | 56.39 | 67.07 | 76.87 | 73.81 | 69.07 | 60.48 | 48.67 | 48.03 | 57.57 | |||||||||||||
2011 | 42.73 | a | 40.15 | a | 49.10 | 54.07 | b | 54.35 | 64.27 | 75.58 | 76.65 | 73.10 | 62.19 | 47.20 | 41.14 | x | 58.13 | a | ||||||||
2012 | 45.32 | 46.41 | 51.81 | 57.50 | 64.45 | 70.87 | 77.39 | 80.42 | 75.23 | 60.94 | 53.87 | 45.97 | 60.85 | |||||||||||||
2013 | 40.29 | 45.18 | 56.26 | 59.57 | 65.13 | 73.20 | 80.58 | 75.13 | 68.83 | 55.42 | 50.83 | 44.35 | 59.56 | |||||||||||||
2014 | 50.74 | 52.14 | 55.26 | 59.00 | 64.48 | 71.07 | 79.52 | 75.00 | 74.63 | 65.61 | 53.63 | 48.61 | 62.48 | |||||||||||||
2015 | 47.94 | 53.46 | 57.71 | 57.37 | 60.48 | 74.37 | 74.45 | 79.84 | 75.10 | 67.68 | 50.03 | 44.32 | 61.90 | |||||||||||||
2016 | 45.77 | a | 49.07 | 54.52 | 59.27 | 60.60 | a | 74.80 | 78.50 | a | 79.28 | b | 69.33 | 64.67 | a | 55.63 | 47.52 | b | 61.58 | |||||||
2017 | 45.74 | 49.64 | 54.10 | 58.23 | 60.94 | 71.77 | 80.84 | 79.00 | 69.53 | 63.06 | 56.50 | 47.58 | 61.41 | |||||||||||||
2018 | 50.77 | 48.57 | 53.26 | 59.30 | 62.03 | 69.53 | 82.23 | 79.69 | b | 74.80 | 62.68 | 52.45 | a | 46.68 | 61.83 | |||||||||||
2019 | 45.58 | 42.36 | 50.00 | 57.97 | 57.06 | 69.30 | 74.55 | 76.63 | a | 70.60 | 58.77 | 53.50 | 45.42 | 58.48 | ||||||||||||
2020 | 44.84 | 46.83 | 48.84 | 55.83 | 64.48 | 68.33 | 75.84 | 80.23 | 75.07 | 66.13 | 53.50 | 45.61 | 60.46 | |||||||||||||
2021 | 46.87 | 50.00 | a | 49.10 | 58.60 | 63.19 | 76.43 | 82.45 | 79.57 | a | 74.03 | 60.26 | 58.40 | 48.03 | 62.24 | |||||||||||
2022 | 48.70 | a | 48.18 | 54.69 | b | 59.10 | 63.29 | 74.43 | 80.61 | 81.39 | 76.10 | 65.03 | 48.90 | 45.45 | 62.16 | |||||||||||
2023 | 45.90 | 43.11 | 47.48 | 55.97 | 60.61 | 63.60 | 80.65 | 78.35 | 69.37 | 63.87 | 54.07 | 49.27 | a | 59.35 | ||||||||||||
2024 | 46.84 | 49.24 | 49.48 | 52.44 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.52 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.51 | 46.84 | 50.49 | 54.68 | 60.99 | 68.97 | 76.45 | 76.06 | 70.57 | 60.94 | 51.01 | 44.06 | 58.84 | |||||||||||||
S.D. | 2.91 | 2.89 | 3.08 | 3.25 | 3.35 | 3.38 | 2.86 | 2.88 | 3.18 | 3.05 | 2.84 | 2.63 | 1.71 | |||||||||||||
SKEW | 0.09 | 0.14 | 0.57 | -0.21 | 0.03 | -0.12 | -0.03 | -0.15 | -0.39 | 0.27 | 0.13 | 0.06 | 0.56 | |||||||||||||
MAX | 50.77 | 53.46 | 57.71 | 60.07 | 69.81 | 76.43 | 82.45 | 81.39 | 76.10 | 68.32 | 58.40 | 49.27 | 62.48 | |||||||||||||
MIN | 38.45 | 40.15 | 45.39 | 48.07 | 53.84 | 62.43 | 68.39 | 70.13 | 62.57 | 54.10 | 43.13 | 38.19 | 55.95 | |||||||||||||
YRS | 57 | 57 | 56 | 56 | 56 | 56 | 57 | 56 | 56 | 56 | 55 | 56 | 52 |