YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | 78.57 | x | 76.93 | 80.90 | 78.42 | 65.43 | b | 63.50 | a | 48.86 | a | 40.60 | a | 64.95 | e | |||
1962 | 42.26 | 47.50 | b | 49.45 | b | 63.57 | 72.73 | a | 77.10 | 86.77 | ----- | z | ----- | z | 68.87 | 57.23 | 50.61 | 61.61 | b | |||||||
1963 | 40.87 | a | 50.14 | 50.13 | 60.63 | 72.29 | 78.83 | 85.10 | 78.43 | a | 77.53 | 69.81 | 57.83 | a | 46.19 | 63.98 | ||||||||||
1964 | 44.90 | 41.48 | 44.61 | 56.10 | 67.58 | 73.10 | 84.03 | 78.55 | 73.80 | 67.32 | 52.44 | c | 46.55 | 60.87 | ||||||||||||
1965 | 47.63 | a | 47.18 | 40.10 | 58.90 | 65.00 | 72.00 | 79.52 | 77.29 | 64.83 | a | 68.68 | 58.50 | 51.19 | 60.90 | |||||||||||
1966 | 44.80 | a | 42.54 | 55.83 | a | 57.67 | 70.55 | 75.63 | 85.17 | b | 78.71 | 74.97 | 65.66 | b | 56.40 | 46.68 | 62.88 | |||||||||
1967 | 47.94 | 46.43 | 55.77 | 57.66 | a | 60.87 | 69.10 | 79.13 | a | 77.00 | 72.87 | 66.39 | ----- | z | 40.32 | 61.22 | a | |||||||||
1968 | 47.26 | 46.07 | 51.84 | 53.07 | 62.17 | b | 77.28 | a | 79.58 | 77.03 | 72.50 | 65.42 | 46.87 | 44.74 | 60.32 | |||||||||||
1969 | 48.06 | 47.04 | 44.26 | 60.80 | 66.87 | 67.37 | 81.87 | 82.84 | 73.93 | 52.45 | 51.90 | 45.77 | 60.26 | |||||||||||||
1970 | 44.03 | 50.75 | 43.87 | 52.73 | 69.30 | a | 74.67 | 81.23 | a | 82.37 | a | 72.07 | 57.16 | 50.37 | 47.42 | 60.50 | ||||||||||
1971 | 45.76 | b | 42.89 | 50.90 | 57.20 | 63.23 | 78.77 | 79.55 | 81.19 | 71.07 | 62.60 | a | 51.43 | 45.16 | 60.81 | |||||||||||
1972 | 46.84 | 49.93 | a | ----- | z | ----- | z | ----- | z | 78.50 | 82.40 | a | 80.32 | ----- | z | 60.32 | 43.47 | 41.71 | 60.44 | d | ||||||
1973 | 41.97 | a | 44.89 | 44.42 | 48.20 | 61.32 | 75.97 | a | 78.00 | 81.97 | a | 69.30 | 64.68 | 51.72 | a | 44.23 | a | 58.89 | ||||||||
1974 | 44.30 | a | 48.26 | a | 55.37 | a | 56.23 | 72.35 | 78.40 | 82.42 | 78.29 | 67.43 | 61.33 | a | 48.83 | 40.32 | 61.13 | |||||||||
1975 | 43.66 | b | 42.14 | 45.29 | 51.87 | 59.32 | 72.79 | a | 80.45 | b | 79.97 | 68.20 | 65.53 | a | 49.73 | 47.84 | 58.90 | |||||||||
1976 | 44.90 | 49.03 | 46.55 | 55.37 | 62.06 | 74.67 | 81.13 | 77.87 | 67.70 | 57.90 | 49.10 | 46.48 | 59.40 | |||||||||||||
1977 | 42.87 | 45.57 | 47.52 | 55.27 | 66.71 | 78.67 | 81.00 | 76.48 | 75.47 | 63.77 | 52.03 | a | ----- | z | 62.31 | a | ||||||||||
1978 | 39.10 | 42.54 | 52.06 | 56.93 | 62.39 | 73.47 | 82.29 | 77.29 | 73.57 | 63.03 | a | 51.40 | 37.26 | 59.28 | ||||||||||||
1979 | 33.63 | a | 44.18 | 47.71 | ----- | z | 60.10 | 71.73 | 81.55 | ----- | z | 75.14 | a | 62.81 | 44.76 | a | 49.73 | a | 57.13 | b | ||||||
1980 | 40.00 | 47.21 | 46.61 | 52.63 | 60.83 | b | 80.57 | b | 82.61 | 79.71 | 75.87 | 59.50 | a | 51.97 | a | 53.19 | 60.89 | |||||||||
1981 | 48.60 | a | 49.11 | 46.63 | a | 63.10 | a | 60.39 | 78.30 | 79.73 | a | 75.65 | 73.47 | 60.07 | d | 54.40 | 43.87 | 61.11 | ||||||||
1982 | 42.52 | 43.43 | 50.19 | 56.77 | 60.57 | a | 68.97 | 79.33 | a | 79.13 | a | 67.93 | 58.35 | 47.13 | 44.08 | e | 58.20 | |||||||||
1983 | 45.12 | e | 44.96 | 42.93 | c | 46.77 | 56.71 | 69.73 | 80.55 | 81.58 | 76.50 | 63.13 | a | 48.18 | b | 31.71 | 57.32 | |||||||||
1984 | 42.48 | 44.66 | 43.13 | 49.10 | ----- | z | 74.26 | c | 81.32 | 77.68 | ----- | z | 52.43 | a | 51.13 | 46.30 | a | 56.25 | b | |||||||
1985 | 38.79 | c | 41.93 | 49.37 | a | 58.50 | 66.03 | b | 75.31 | a | 78.74 | 81.00 | 68.34 | a | 61.68 | 45.59 | a | 44.10 | 59.11 | |||||||
1986 | 52.03 | 46.32 | c | 56.23 | 60.11 | b | 63.53 | a | 75.53 | 80.10 | a | 79.35 | 68.62 | a | 58.37 | a | 49.21 | b | 44.63 | a | 61.17 | |||||
1987 | 44.33 | a | 42.89 | 47.89 | c | 61.43 | b | 65.45 | b | 77.18 | b | 82.27 | a | 77.93 | c | 70.70 | 64.43 | c | 49.59 | a | 39.48 | b | 60.30 | |||
1988 | 40.89 | d | 46.89 | b | 48.67 | d | 61.14 | a | 66.73 | e | 77.50 | 80.65 | 80.03 | 71.07 | 65.90 | 50.79 | a | 43.81 | 61.17 | |||||||
1989 | 46.83 | a | 36.61 | 58.17 | a | 59.27 | 66.48 | 71.43 | 81.84 | 77.74 | 71.50 | b | 61.72 | b | 54.97 | 42.03 | b | 60.72 | ||||||||
1990 | 46.43 | c | 42.89 | a | 48.94 | 57.07 | 63.87 | 80.20 | 75.61 | 77.45 | 74.13 | 63.90 | 54.50 | 39.00 | 60.33 | |||||||||||
1991 | 41.65 | 50.96 | b | 51.68 | 54.30 | 66.19 | 76.63 | 78.65 | 77.97 | 71.33 | 64.46 | c | 46.50 | b | 46.68 | 60.58 | ||||||||||
1992 | 46.45 | 48.07 | a | 50.40 | a | 63.67 | 66.34 | b | 72.10 | a | 77.73 | a | 76.83 | a | 75.10 | 64.65 | 43.00 | a | 43.37 | a | 60.64 | |||||
1993 | 43.39 | c | 41.46 | b | 51.45 | 55.85 | c | 65.03 | 73.76 | a | 79.65 | 75.87 | a | 70.93 | b | 59.48 | b | 46.63 | 46.32 | 59.15 | ||||||
1994 | 45.90 | 45.04 | a | 54.06 | 55.37 | 69.68 | 80.40 | 80.93 | a | 81.71 | 72.47 | 58.69 | b | 49.57 | 49.71 | 61.96 | ||||||||||
1995 | 45.00 | 50.89 | 52.19 | 53.00 | a | 56.60 | a | 71.33 | 81.23 | 83.81 | 71.27 | 65.39 | 56.40 | 47.77 | 61.24 | |||||||||||
1996 | 44.89 | d | 47.14 | a | 50.00 | 58.70 | 69.61 | 78.90 | a | 82.03 | 81.74 | 70.43 | 63.35 | 52.45 | a | 46.50 | a | 62.15 | ||||||||
1997 | 42.13 | 42.25 | 55.68 | 50.47 | 65.94 | 76.24 | a | 81.87 | 77.71 | 73.57 | 63.61 | 47.93 | 41.87 | 59.94 | ||||||||||||
1998 | 48.35 | 44.57 | 48.71 | 53.33 | 69.65 | 74.07 | 82.23 | a | 80.47 | a | 78.77 | 62.40 | a | 53.07 | 43.20 | a | 61.57 | |||||||||
1999 | 45.52 | 52.61 | 56.94 | 52.13 | 64.97 | 74.93 | 83.53 | a | 78.13 | 69.21 | b | 66.30 | a | 62.07 | 46.74 | 62.76 | ||||||||||
2000 | 46.84 | 50.81 | b | 51.10 | a | 63.47 | 70.77 | 78.53 | 86.06 | 83.48 | 74.70 | 61.32 | 41.97 | 43.71 | 62.73 | |||||||||||
2001 | 44.54 | e | 45.15 | a | 48.32 | 59.63 | 67.32 | 79.33 | 85.74 | 85.84 | 77.97 | 63.84 | 55.73 | 45.97 | 63.28 | |||||||||||
2002 | 44.23 | 46.71 | 48.13 | a | 62.70 | 66.45 | 82.20 | 87.52 | b | 82.39 | 73.97 | 56.94 | 49.40 | 47.30 | a | 62.33 | ||||||||||
2003 | 50.03 | 41.50 | 50.16 | 60.37 | 65.97 | 71.33 | 88.26 | 83.90 | 71.93 | a | 68.00 | 50.43 | b | 48.06 | 62.50 | |||||||||||
2004 | 46.87 | 41.97 | 59.62 | b | 57.83 | 68.55 | 71.93 | 77.87 | 76.26 | 72.57 | 62.45 | 48.47 | 48.39 | 61.06 | ||||||||||||
2005 | 49.67 | a | 44.79 | 48.45 | 54.17 | 64.32 | 74.07 | a | 85.45 | 77.71 | 74.60 | 62.13 | 54.97 | 43.69 | b | 61.17 | ||||||||||
2006 | 50.20 | a | 43.39 | 47.94 | 61.77 | 67.58 | 79.30 | 81.74 | 78.06 | 67.17 | 59.61 | 51.27 | 43.48 | 60.96 | ||||||||||||
2007 | 39.29 | 46.82 | 53.84 | 52.73 | 64.47 | a | 75.23 | 82.87 | 81.22 | d | 74.67 | 64.61 | 53.67 | 40.06 | 60.79 | |||||||||||
2008 | 37.84 | 44.03 | 48.06 | 55.23 | 62.48 | 76.33 | 84.26 | 78.45 | 69.40 | 61.45 | 55.73 | 42.00 | 59.61 | |||||||||||||
2009 | 45.52 | 48.61 | 52.87 | 51.88 | d | 64.61 | 70.30 | 77.65 | 77.84 | 70.33 | 52.00 | 54.53 | 35.84 | 58.50 | ||||||||||||
2010 | 42.90 | a | 37.46 | 48.26 | 55.23 | 61.33 | a | 75.53 | 81.23 | 80.42 | 77.10 | 62.90 | 50.70 | 48.48 | 60.13 | |||||||||||
2011 | 42.32 | 38.96 | 52.84 | 55.80 | 57.87 | 76.27 | 81.84 | 83.16 | 70.63 | 62.42 | 51.37 | 40.94 | 59.53 | |||||||||||||
2012 | 47.35 | 40.48 | 57.74 | 62.30 | 67.13 | 81.37 | 83.00 | 81.19 | 73.93 | 59.97 | 56.13 | 43.94 | 62.88 | |||||||||||||
2013 | 43.58 | 40.50 | 48.00 | 50.33 | 64.23 | 78.03 | 79.58 | 80.48 | 72.17 | 56.06 | 51.90 | 43.55 | 59.03 | |||||||||||||
2014 | 45.67 | a | 43.25 | 50.58 | 56.00 | 62.71 | 75.07 | 79.35 | 76.13 | 72.40 | 64.74 | 50.10 | a | 45.35 | 60.11 | |||||||||||
2015 | 47.10 | 45.14 | 54.50 | a | 55.27 | 57.06 | 76.10 | 77.65 | 80.48 | 77.33 | 64.94 | 50.43 | 41.58 | 60.63 | ||||||||||||
2016 | 45.23 | 50.46 | a | 51.93 | a | 53.90 | a | 60.52 | 80.24 | a | 82.90 | 77.60 | a | 74.67 | 67.65 | 57.30 | 43.13 | 62.13 | ||||||||
2017 | 42.07 | a | 51.67 | a | 57.71 | 56.20 | 61.74 | 77.17 | 80.81 | 76.10 | b | 70.47 | 60.16 | 57.80 | 50.42 | 61.86 | ||||||||||
2018 | 48.90 | 43.82 | 52.77 | 57.31 | a | 66.77 | 80.37 | 81.38 | b | 79.61 | c | 76.77 | 56.68 | 48.50 | 45.42 | 61.52 | ||||||||||
2019 | 43.55 | 43.32 | 46.39 | 56.70 | 56.81 | 72.67 | 82.58 | 81.81 | 78.07 | 56.77 | 51.20 | 45.48 | 59.61 | |||||||||||||
2020 | 46.37 | a | 40.57 | a | 51.52 | 54.27 | 67.77 | 78.37 | 82.32 | 84.20 | a | 73.00 | 62.35 | 54.67 | 45.06 | 61.71 | ||||||||||
2021 | 44.39 | 40.46 | 46.84 | 52.63 | 62.94 | 77.37 | 81.63 | a | 80.35 | 77.23 | 64.94 | 57.00 | 51.35 | 61.43 | ||||||||||||
2022 | 44.77 | 40.46 | 48.48 | 57.70 | 64.42 | 75.80 | 81.55 | 79.65 | 76.20 | 61.97 | 47.37 | 43.87 | 60.19 | |||||||||||||
2023 | 38.48 | 45.57 | 43.16 | 54.63 | 63.84 | 69.73 | 80.81 | 78.61 | 75.20 | 63.19 | 53.70 | 46.87 | 59.48 | |||||||||||||
2024 | 39.45 | 48.00 | 48.37 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.27 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.43 | 45.12 | 50.05 | 56.38 | 64.62 | 75.63 | 81.54 | 79.52 | 72.66 | 62.26 | 51.49 | 44.70 | 60.74 | |||||||||||||
S.D. | 3.38 | 3.62 | 4.24 | 3.96 | 3.97 | 3.42 | 2.49 | 2.39 | 3.29 | 3.89 | 4.09 | 3.84 | 1.35 | |||||||||||||
SKEW | -0.50 | 0.01 | 0.15 | -0.06 | -0.09 | -0.35 | 0.45 | 0.50 | -0.26 | -0.62 | 0.02 | -0.59 | -0.01 | |||||||||||||
MAX | 52.03 | 52.61 | 59.62 | 63.67 | 72.73 | 82.20 | 88.26 | 85.84 | 78.77 | 69.81 | 62.07 | 53.19 | 63.98 | |||||||||||||
MIN | 33.63 | 36.61 | 40.10 | 46.77 | 56.60 | 67.37 | 75.61 | 75.65 | 64.83 | 52.00 | 41.97 | 31.71 | 57.32 | |||||||||||||
YRS | 63 | 63 | 62 | 60 | 60 | 63 | 63 | 61 | 60 | 63 | 62 | 62 | 56 |