YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.65 | 80.39 | 73.07 | 61.94 | 45.17 | 37.90 | 62.85 | f | ||||||
1949 | 34.45 | 38.82 | 47.10 | 59.03 | 63.23 | 73.83 | 80.16 | 77.61 | 77.27 | 57.61 | 50.70 | 38.48 | 58.19 | |||||||||||||
1950 | 36.16 | 47.11 | 51.52 | 60.23 | 62.65 | 71.20 | 80.16 | 78.58 | 69.97 | 62.03 | 50.30 | 43.90 | 59.48 | |||||||||||||
1951 | 39.10 | 44.39 | 49.06 | 56.93 | 65.29 | 70.83 | 80.77 | 77.90 | 74.10 | 60.13 | 47.70 | 41.48 | 58.98 | |||||||||||||
1952 | 38.48 | 43.59 | 46.55 | 57.23 | 69.23 | 69.87 | 79.35 | 82.52 | 75.27 | 64.71 | 46.60 | 40.84 | 59.52 | |||||||||||||
1953 | 45.68 | 42.50 | 49.52 | 55.57 | 59.35 | 70.40 | 84.35 | 79.32 | 72.37 | 61.06 | 50.47 | 40.06 | 59.22 | |||||||||||||
1954 | 40.29 | 50.18 | 48.87 | 60.40 | 66.97 | 72.80 | 82.65 | 77.52 | 74.07 | 62.26 | 51.23 | 41.19 | 60.70 | |||||||||||||
1955 | 40.71 | 40.93 | 49.29 | 54.37 | 62.58 | 71.63 | 78.39 | 79.81 | 73.63 | 64.29 | 48.67 | 42.97 | 58.94 | |||||||||||||
1956 | 43.55 | 38.48 | 48.32 | 55.60 | 64.55 | 74.40 | 79.71 | 76.32 | 76.63 | 58.77 | 44.83 | 41.19 | 58.53 | |||||||||||||
1957 | 43.35 | 51.68 | 52.45 | 57.27 | 61.81 | 75.53 | 82.71 | 79.03 | 72.67 | 60.03 | 46.97 | 44.10 | 60.63 | |||||||||||||
1958 | 42.45 | 49.00 | a | 48.35 | 57.50 | 70.42 | 74.77 | 78.39 | 82.35 | 76.17 | 65.90 | 47.73 | 43.52 | 61.38 | ||||||||||||
1959 | 42.13 | 43.96 | 52.87 | 61.13 | 63.35 | 76.90 | 84.16 | 80.06 | 70.97 | 61.71 | 50.80 | 44.52 | 61.05 | |||||||||||||
1960 | 38.45 | 44.17 | 53.45 | 58.97 | 63.74 | 77.63 | 82.65 | 81.13 | 76.07 | 61.16 | 48.73 | 39.23 | 60.45 | |||||||||||||
1961 | 42.68 | 47.39 | 49.84 | 56.80 | 62.68 | 76.07 | 82.29 | 81.65 | 70.00 | 60.29 | 48.33 | 43.13 | 60.10 | |||||||||||||
1962 | 44.45 | 48.04 | 47.26 | 61.70 | 60.74 | 70.60 | 78.81 | 82.97 | 77.77 | 61.71 | 52.10 | 44.42 | 60.88 | |||||||||||||
1963 | 37.77 | 50.96 | 48.32 | 53.33 | 65.87 | 69.43 | 80.97 | 81.61 | 75.77 | 65.06 | 50.60 | 38.48 | 59.85 | |||||||||||||
1964 | 36.65 | 40.31 | 47.26 | 54.63 | 61.84 | 72.00 | 82.74 | 82.13 | 71.67 | 65.81 | 45.37 | 41.55 | 58.50 | |||||||||||||
1965 | 42.42 | 43.61 | 46.94 | 58.77 | 63.55 | 67.20 | 81.13 | 81.39 | 69.60 | 61.94 | 53.83 | 43.32 | 59.47 | |||||||||||||
1966 | 38.61 | 40.89 | 49.77 | 57.63 | 66.45 | 72.80 | 81.23 | 82.97 | 74.23 | 60.06 | 49.60 | 42.29 | 59.71 | |||||||||||||
1967 | 39.29 | 44.50 | 49.94 | 49.70 | 63.35 | 69.07 | 84.87 | 82.35 | 74.27 | 61.77 | 52.13 | 40.45 | 59.31 | |||||||||||||
1968 | 40.71 | 51.10 | 52.71 | 55.43 | 63.77 | 71.40 | 80.94 | 77.48 | 71.83 | 60.13 | 50.87 | 34.87 | 59.27 | |||||||||||||
1969 | 45.94 | 44.04 | 48.35 | 57.47 | 66.81 | 71.50 | 83.19 | 86.29 | 76.00 | 58.97 | 51.50 | 42.26 | 61.03 | |||||||||||||
1970 | 39.71 | 47.39 | 49.26 | 51.40 | 64.61 | 73.67 | 84.61 | 82.58 | 69.63 | 55.74 | 45.97 | 37.06 | 58.47 | |||||||||||||
1971 | 36.74 | 42.68 | 48.52 | 53.87 | 58.32 | 71.13 | 81.84 | 80.55 | 70.57 | 52.97 | 41.80 | 35.90 | 56.24 | |||||||||||||
1972 | 32.26 | 39.93 | 51.71 | 55.17 | 65.97 | 77.97 | 84.00 | 80.81 | 74.00 | 63.39 | 47.27 | 40.84 | 59.44 | |||||||||||||
1973 | 39.45 | 47.14 | 48.32 | 55.60 | 66.90 | 76.23 | 82.10 | 78.84 | 68.40 | 58.48 | 46.17 | 41.16 | 59.07 | |||||||||||||
1974 | 41.55 | 43.21 | 51.68 | 57.07 | 65.45 | 77.07 | 81.10 | 77.42 | 76.80 | 63.06 | 49.40 | 40.16 | 60.33 | |||||||||||||
1975 | 39.55 | 42.11 | 47.74 | 50.13 | 61.45 | 70.13 | 82.03 | 78.19 | 75.13 | 58.74 | 46.43 | 40.61 | 57.69 | |||||||||||||
1976 | 41.29 | 47.97 | 49.00 | 53.57 | 65.58 | 71.67 | 79.61 | 73.68 | 69.43 | 58.90 | 49.70 | 39.42 | 58.32 | |||||||||||||
1977 | 42.32 | 44.71 | 45.55 | 55.93 | 58.74 | 73.70 | 81.29 | 81.16 | 72.20 | 62.35 | 49.50 | 45.84 | 59.44 | |||||||||||||
1978 | 44.74 | 48.21 | 54.71 | 55.73 | 63.74 | 74.97 | 82.00 | 77.16 | 72.43 | 64.94 | 48.93 | 38.16 | 60.48 | |||||||||||||
1979 | 40.00 | 42.86 | 49.81 | 56.57 | 64.71 | 73.33 | 79.35 | 76.55 | 75.37 | 59.65 | 43.67 | 42.32 | 58.68 | |||||||||||||
1980 | 47.52 | 49.90 | 49.32 | 55.27 | 60.94 | 69.60 | 83.77 | 79.71 | 71.47 | 60.90 | 48.50 | 45.23 | 60.18 | |||||||||||||
1981 | 48.00 | 46.50 | 52.16 | 60.73 | 66.03 | 78.90 | 84.84 | 82.16 | 74.33 | ----- | z | ----- | z | 42.55 | 63.62 | b | ||||||||||
1982 | 41.26 | 48.39 | 50.48 | 55.83 | 63.10 | 68.13 | 78.61 | 80.42 | 71.43 | 56.74 | 47.10 | 41.87 | 58.61 | |||||||||||||
1983 | 42.87 | 46.82 | 51.29 | 52.03 | 63.16 | 70.03 | 79.03 | 77.65 | 77.10 | 63.55 | 50.69 | a | 44.55 | 59.90 | ||||||||||||
1984 | 43.87 | 43.76 | 51.42 | 55.23 | 68.58 | 72.93 | 81.00 | 79.42 | 75.73 | 58.68 | 46.80 | 44.23 | 60.14 | |||||||||||||
1985 | 43.03 | 43.18 | 49.16 | 59.10 | 65.52 | 73.40 | 81.32 | 77.52 | 65.30 | 59.77 | 46.53 | 41.84 | 58.81 | |||||||||||||
1986 | 45.65 | 47.86 | 53.23 | 57.00 | 63.77 | 73.57 | 76.65 | 82.35 | 65.50 | 57.03 | 49.30 | 41.58 | 59.46 | |||||||||||||
1987 | 40.06 | 46.39 | 48.65 | 59.40 | 64.03 | a | 73.07 | 72.35 | 79.45 | 71.23 | 64.32 | 48.40 | 39.63 | a | 58.92 | |||||||||||
1988 | 41.16 | 46.34 | 49.16 | 54.47 | 62.77 | 71.73 | 81.19 | 77.13 | 69.50 | 65.06 | 48.23 | 38.94 | 58.81 | |||||||||||||
1989 | 39.61 | 44.29 | 53.10 | 61.97 | 64.97 | 72.50 | 81.68 | 77.23 | 70.83 | 59.16 | 48.50 | 40.26 | 59.51 | |||||||||||||
1990 | 38.00 | 41.32 | 50.39 | 58.97 | 61.87 | 73.67 | 80.87 | 78.10 | 73.37 | 60.06 | 49.80 | ----- | z | 60.58 | a | |||||||||||
1991 | ----- | z | 49.04 | 47.19 | 55.80 | 61.00 | 69.93 | 77.97 | 79.03 | 73.77 | 63.32 | 49.70 | 43.77 | 60.96 | a | |||||||||||
1992 | 42.94 | 51.07 | 51.90 | 60.07 | 67.61 | 73.17 | 78.74 | 80.68 | 74.03 | 61.77 | 46.40 | 40.06 | 60.70 | |||||||||||||
1993 | 44.77 | 46.75 | 51.23 | 56.83 | 65.23 | 71.10 | 75.74 | 78.06 | 69.27 | 60.13 | 45.93 | 39.74 | 58.73 | |||||||||||||
1994 | 40.87 | 43.29 | 52.81 | 57.83 | 63.06 | 77.43 | 80.23 | 83.03 | 75.47 | 57.77 | 42.03 | 41.35 | 59.60 | |||||||||||||
1995 | 45.68 | 49.82 | 50.39 | 53.80 | ----- | z | 68.50 | 78.29 | 83.68 | 75.30 | 58.77 | 51.07 | 42.23 | 59.77 | a | |||||||||||
1996 | 40.26 | 49.31 | 50.48 | 59.33 | 65.16 | 71.57 | 84.65 | 82.52 | 72.43 | 59.94 | 49.83 | 43.29 | 60.73 | |||||||||||||
1997 | 45.84 | 46.07 | 52.74 | 58.13 | 71.74 | 71.40 | 77.35 | 83.26 | 77.93 | 60.65 | 50.73 | 41.42 | 61.44 | |||||||||||||
1998 | 43.26 | 45.36 | 49.16 | 52.27 | 60.61 | 66.90 | 82.71 | 83.84 | 73.33 | 58.23 | 47.13 | 41.42 | 58.68 | |||||||||||||
1999 | 42.45 | 45.89 | 49.90 | 53.53 | 63.68 | 71.50 | 79.94 | 79.90 | 74.80 | 61.23 | 50.03 | 42.77 | 59.64 | |||||||||||||
2000 | 44.55 | 46.69 | 51.45 | 60.13 | 68.81 | 77.10 | 79.81 | 82.68 | 73.30 | 60.58 | 42.55 | a | 41.71 | 60.78 | ||||||||||||
2001 | 41.42 | 43.71 | 52.68 | 54.47 | 69.35 | 74.87 | 78.06 | 79.70 | d | 74.93 | 63.26 | 53.37 | 37.74 | 60.30 | ||||||||||||
2002 | 40.13 | 43.68 | 47.32 | 57.63 | 63.16 | 72.80 | 83.45 | 77.87 | 73.50 | 58.81 | 50.87 | 40.19 | 59.12 | |||||||||||||
2003 | 46.58 | 47.50 | 52.19 | 54.90 | 65.58 | 72.27 | 83.00 | 83.06 | 75.20 | 66.39 | 48.07 | 41.13 | 61.32 | |||||||||||||
2004 | 42.97 | 43.69 | 58.48 | 59.10 | 65.71 | 72.10 | 81.10 | 79.10 | 70.80 | 58.90 | 47.53 | 43.77 | 60.27 | |||||||||||||
2005 | 46.35 | 48.50 | 50.48 | 54.27 | 65.97 | 71.70 | 81.23 | 80.06 | 69.77 | 61.90 | 50.47 | 40.06 | 60.06 | |||||||||||||
2006 | 40.52 | 43.93 | 46.65 | 54.60 | 67.03 | 78.00 | 85.94 | 79.42 | 71.10 | 58.87 | 49.60 | 39.16 | 59.57 | |||||||||||||
2007 | 38.74 | 43.79 | 52.58 | 57.67 | 66.45 | 71.80 | 82.29 | 83.39 | 73.20 | 59.58 | 50.73 | 39.84 | 60.00 | |||||||||||||
2008 | 41.71 | 43.97 | 49.35 | 55.43 | 62.29 | 74.57 | 82.55 | 81.68 | 74.30 | 60.23 | 52.93 | 42.23 | 60.10 | |||||||||||||
2009 | 44.87 | 44.82 | 50.45 | 55.47 | 71.65 | 71.67 | 83.84 | 79.71 | 75.93 | 57.55 | 48.33 | 41.16 | 60.45 | |||||||||||||
2010 | 44.35 | 48.25 | 48.87 | 53.87 | 61.35 | 72.10 | 82.97 | 79.94 | 72.67 | 61.81 | 47.53 | 45.19 | 59.91 | |||||||||||||
2011 | 41.94 | 41.86 | 52.35 | 57.90 | 60.65 | 72.04 | b | 80.58 | 83.61 | 74.73 | 61.23 | 47.63 | 38.58 | 59.42 | ||||||||||||
2012 | 42.32 | 44.59 | 49.42 | 58.00 | 67.42 | 74.23 | 80.10 | 82.97 | 75.87 | 60.94 | 49.17 | 43.26 | 60.69 | |||||||||||||
2013 | 40.29 | 43.25 | 53.52 | 58.70 | 66.16 | 76.13 | 83.39 | 79.52 | 72.43 | 56.00 | 49.93 | 41.42 | 60.06 | |||||||||||||
2014 | 44.39 | 47.96 | 53.26 | 58.97 | 65.65 | 73.73 | 82.73 | e | 78.62 | e | 76.23 | 64.10 | 49.83 | 45.32 | 61.73 | |||||||||||
2015 | 45.39 | 50.68 | 57.00 | 58.13 | 62.26 | 76.70 | 79.16 | 83.48 | 78.03 | 67.65 | 47.17 | 39.19 | 62.07 | |||||||||||||
2016 | 42.16 | 49.21 | 54.16 | 59.70 | 63.61 | 78.33 | 83.13 | 82.45 | 72.10 | 64.97 | 51.97 | 44.39 | 62.18 | |||||||||||||
2017 | 44.94 | 50.61 | 54.65 | 59.20 | 64.16 | 75.03 | 85.65 | 82.90 | 71.87 | 61.10 | 53.07 | 41.23 | 62.03 | |||||||||||||
2018 | 45.06 | 43.54 | 50.77 | 59.70 | 64.71 | 73.77 | 84.68 | 84.70 | d | 77.07 | a | 61.82 | c | 48.67 | 42.52 | 61.42 | ||||||||||
2019 | 43.48 | 41.68 | 51.45 | 59.60 | 61.58 | 72.73 | 81.03 | 82.45 | 73.03 | 56.87 | 48.90 | 44.19 | 59.75 | |||||||||||||
2020 | 42.03 | 43.48 | 51.39 | 58.57 | 68.06 | 73.17 | 80.65 | 84.74 | 74.00 | 61.23 | 48.40 | 40.03 | 60.48 | |||||||||||||
2021 | 41.77 | 45.86 | 48.06 | 59.23 | 65.10 | 78.27 | 86.10 | 82.31 | b | 76.07 | 58.26 | 53.00 | 43.84 | 61.49 | ||||||||||||
2022 | 42.23 | 43.68 | 51.68 | 58.67 | 66.93 | a | 77.80 | 83.74 | 82.23 | 79.20 | 64.81 | 46.10 | 40.84 | 61.49 | ||||||||||||
2023 | 43.52 | 41.71 | 49.26 | 56.67 | 65.39 | 69.33 | 84.48 | 83.13 | 73.41 | a | 61.90 | 49.60 | 42.84 | 60.10 | ||||||||||||
2024 | 42.19 | 48.45 | 50.26 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.97 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.89 | 45.50 | 50.47 | 56.84 | 64.53 | 73.05 | 81.35 | 80.57 | 73.40 | 60.95 | 48.74 | 41.44 | 59.89 | |||||||||||||
S.D. | 2.99 | 3.15 | 2.42 | 2.65 | 2.78 | 2.81 | 2.51 | 2.43 | 2.78 | 2.76 | 2.54 | 2.26 | 1.11 | |||||||||||||
SKEW | -0.52 | 0.03 | 0.60 | -0.42 | 0.29 | 0.20 | -0.59 | -0.19 | -0.49 | 0.01 | -0.49 | -0.37 | -0.23 | |||||||||||||
MAX | 48.00 | 51.68 | 58.48 | 61.97 | 71.74 | 78.90 | 86.10 | 86.29 | 79.20 | 67.65 | 53.83 | 45.84 | 62.18 | |||||||||||||
MIN | 32.26 | 38.48 | 45.55 | 49.70 | 58.32 | 66.90 | 72.35 | 73.68 | 65.30 | 52.97 | 41.80 | 34.87 | 56.24 | |||||||||||||
YRS | 75 | 76 | 76 | 75 | 74 | 75 | 76 | 76 | 76 | 75 | 75 | 75 | 71 |