YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.87 | 39.66 | a | 37.87 | 44.80 | i | ||
1965 | 40.68 | 38.96 | 42.84 | 50.23 | 55.65 | 60.17 | 76.84 | 73.45 | 62.57 | 53.81 | 48.03 | 40.87 | a | 53.67 | ||||||||||||
1966 | 34.55 | 37.04 | 43.61 | 50.33 | 61.29 | 66.87 | 76.23 | 75.45 | 67.93 | 52.84 | 44.07 | 36.81 | 53.92 | |||||||||||||
1967 | 34.03 | 39.82 | 45.61 | 45.17 | 56.90 | 65.70 | 77.84 | 74.94 | 68.17 | 55.35 | 47.17 | 35.84 | 53.88 | |||||||||||||
1968 | 38.06 | 46.48 | 44.55 | 50.63 | 57.23 | 65.03 | 73.39 | 69.10 | 62.40 | 51.26 | 42.67 | 32.06 | 52.74 | |||||||||||||
1969 | 41.61 | 38.32 | 39.52 | 48.47 | 58.10 | 63.23 | 75.84 | 76.45 | 66.23 | 48.16 | 44.70 | 37.03 | 53.14 | |||||||||||||
1970 | 33.42 | 41.32 | 42.61 | 44.67 | 58.03 | 66.77 | 77.65 | 74.90 | 63.10 | 48.42 | 41.57 | 36.06 | 52.38 | |||||||||||||
1971 | 33.84 | 37.57 | 43.52 | 48.93 | 54.29 | 65.43 | 78.39 | 74.52 | 66.53 | 52.67 | d | 41.47 | 36.17 | a | 52.78 | |||||||||||
1972 | 32.00 | 39.07 | a | 49.42 | 50.87 | 59.39 | 70.07 | 76.68 | 74.23 | 66.00 | 58.35 | 41.53 | 35.84 | 54.45 | ||||||||||||
1973 | 35.19 | 42.79 | 42.45 | 48.73 | 61.23 | 69.23 | 74.87 | 73.77 | 62.53 | 51.52 | 41.27 | 36.57 | a | 53.35 | ||||||||||||
1974 | 38.32 | 37.07 | 47.39 | 51.13 | 59.71 | 71.10 | 76.13 | 71.71 | 70.50 | 59.48 | 44.93 | 36.61 | 55.34 | |||||||||||||
1975 | 36.71 | 38.18 | 44.26 | 45.70 | 56.55 | 66.37 | 77.65 | 72.97 | 69.23 | 53.26 | 42.70 | 38.77 | 53.53 | |||||||||||||
1976 | 37.68 | 45.48 | 45.03 | 49.97 | 62.45 | 68.43 | 77.74 | 72.58 | 67.47 | 55.06 | 44.23 | 36.81 | 55.24 | |||||||||||||
1977 | 38.74 | 41.74 | a | 41.71 | 52.20 | 56.00 | 70.40 | 77.61 | 76.71 | 68.13 | 58.90 | 45.40 | 41.68 | 55.77 | ||||||||||||
1978 | 41.26 | 43.32 | 49.77 | 49.27 | 57.32 | 68.92 | d | 75.84 | 73.13 | 69.57 | 61.10 | 47.50 | 36.94 | 56.16 | ||||||||||||
1979 | 38.19 | 39.36 | 46.23 | 49.53 | 61.13 | 69.77 | 74.58 | 71.23 | 71.33 | 57.26 | 43.63 | 38.65 | 55.07 | |||||||||||||
1980 | 44.52 | 46.45 | 45.74 | 51.00 | 57.61 | 67.00 | 78.87 | 75.42 | 68.10 | 57.52 | 44.73 | 42.61 | 56.63 | |||||||||||||
1981 | 43.61 | 43.32 | 47.06 | 56.07 | 62.35 | 75.43 | 79.35 | 77.65 | 70.30 | 55.65 | 46.80 | 40.42 | 58.17 | |||||||||||||
1982 | 39.42 | 45.64 | 46.35 | 52.40 | 60.32 | 66.17 | 74.77 | 77.77 | 69.87 | 53.68 | 47.30 | 40.26 | 56.16 | |||||||||||||
1983 | 39.84 | 43.21 | 46.94 | 48.50 | 59.52 | 67.70 | 76.81 | 76.13 | 74.53 | 60.26 | 47.83 | 42.58 | 56.99 | |||||||||||||
1984 | 41.81 | 41.17 | 48.06 | 53.07 | 67.35 | 71.10 | 78.19 | 76.90 | 72.33 | 55.87 | 45.10 | 42.00 | 57.75 | |||||||||||||
1985 | 41.13 | 41.93 | 46.90 | 57.23 | 64.19 | 73.03 | 79.10 | 77.65 | 65.57 | 59.55 | 46.00 | 39.71 | 57.67 | |||||||||||||
1986 | 43.03 | 45.54 | 52.10 | 55.97 | 63.29 | 74.10 | 76.61 | 80.39 | 66.00 | 56.61 | 47.80 | 41.07 | a | 58.54 | ||||||||||||
1987 | 37.71 | 45.32 | 45.81 | 60.17 | 65.29 | 73.03 | 74.00 | 77.03 | 69.27 | 63.32 | 47.53 | 37.94 | 58.03 | |||||||||||||
1988 | 40.19 | 45.21 | 47.58 | 54.80 | 61.19 | 72.67 | 79.84 | 77.48 | 67.40 | 64.55 | b | 46.97 | 40.13 | 58.17 | ||||||||||||
1989 | 40.23 | 44.71 | 51.00 | 60.03 | 64.48 | 72.13 | 80.39 | 76.55 | 70.70 | 59.45 | 49.17 | 38.42 | 58.94 | |||||||||||||
1990 | 40.77 | 40.86 | 50.65 | 58.86 | b | 63.06 | 73.80 | 80.10 | 75.48 | 72.00 | 59.16 | 47.80 | 38.42 | 58.41 | ||||||||||||
1991 | 40.74 | 47.68 | 45.65 | 52.33 | 60.26 | 68.17 | 78.90 | 78.94 | 72.13 | 61.97 | 47.60 | 45.06 | 58.29 | |||||||||||||
1992 | 42.29 | 48.72 | 49.68 | 57.53 | 66.71 | 70.87 | 76.94 | 78.48 | 70.87 | 59.84 | 43.93 | 41.03 | 58.91 | |||||||||||||
1993 | 47.39 | 46.79 | 49.06 | 54.40 | 66.35 | 70.63 | 76.39 | 77.71 | 69.27 | 60.32 | 45.70 | 39.68 | 58.64 | |||||||||||||
1994 | 38.10 | 42.61 | 50.26 | 56.20 | 62.61 | 75.37 | 80.06 | 82.10 | 73.67 | 57.32 | 44.13 | 43.29 | 58.81 | |||||||||||||
1995 | 43.81 | 49.43 | 50.16 | 52.80 | 60.84 | 68.60 | 78.77 | 81.47 | a | 76.10 | 57.77 | 51.20 | 41.58 | 59.38 | ||||||||||||
1996 | 39.84 | 48.62 | 49.29 | 56.83 | 65.94 | 73.60 | 82.26 | 81.06 | 71.17 | 59.61 | 49.13 | 40.90 | 59.85 | |||||||||||||
1997 | 44.03 | 42.86 | 52.19 | 56.37 | 69.48 | 70.14 | b | 77.71 | 81.03 | 76.37 | 60.32 | 48.53 | 40.06 | 59.93 | ||||||||||||
1998 | 42.74 | 42.96 | a | 48.64 | c | 50.33 | 60.52 | 67.37 | 81.00 | 81.74 | 73.80 | 57.93 | a | 46.70 | 41.77 | 57.96 | ||||||||||
1999 | 40.97 | 44.71 | 48.74 | 52.07 | 63.32 | 73.73 | 79.76 | b | 80.13 | 73.93 | 60.81 | 49.90 | 40.87 | 59.08 | ||||||||||||
2000 | 43.81 | 47.00 | 50.52 | 58.30 | 67.61 | 76.30 | 80.87 | 81.45 | 74.70 | 61.25 | c | 42.21 | a | 41.42 | 60.45 | |||||||||||
2001 | 42.03 | 43.25 | 50.23 | 55.74 | c | 68.58 | 75.00 | 80.68 | 79.61 | 74.10 | 62.00 | 53.20 | 39.10 | 60.29 | ||||||||||||
2002 | 40.77 | 43.78 | a | 46.58 | 58.43 | 62.87 | 74.03 | 81.71 | 78.32 | 73.80 | 58.87 | 51.00 | a | 40.65 | 59.23 | |||||||||||
2003 | 46.16 | 46.32 | 49.32 | 53.13 | 64.68 | 72.36 | b | 82.00 | 80.65 | 74.63 | 64.71 | 48.17 | 41.45 | 60.30 | ||||||||||||
2004 | 40.67 | v | 43.00 | d | 56.81 | 58.50 | 66.45 | 72.17 | 79.00 | a | 78.58 | 72.23 | 59.26 | 48.57 | 42.23 | 61.53 | a | |||||||||
2005 | 45.19 | 48.86 | 49.45 | 55.00 | 65.81 | 73.47 | 80.90 | 79.26 | 73.10 | 62.45 | 50.67 | 41.10 | 60.44 | |||||||||||||
2006 | 41.60 | a | 44.67 | a | 47.74 | 55.96 | b | 66.74 | 77.55 | a | 84.61 | 79.77 | 71.10 | a | 60.42 | 49.13 | 39.74 | 59.92 | ||||||||
2007 | 39.42 | 44.96 | 52.61 | 56.90 | a | 67.42 | 73.90 | 81.81 | 82.74 | 74.57 | 61.10 | 53.17 | 39.71 | 60.69 | ||||||||||||
2008 | 41.84 | 43.41 | 49.26 | 56.40 | 63.00 | 75.07 | 82.16 | 81.16 | 74.83 | 61.65 | 51.63 | 42.29 | 60.23 | |||||||||||||
2009 | 44.26 | 45.32 | 50.87 | a | 56.10 | 70.48 | 73.27 | 84.00 | 78.65 | 75.37 | 58.97 | 50.80 | 40.74 | 60.73 | ||||||||||||
2010 | 44.13 | 46.21 | 48.10 | 54.30 | 61.90 | 73.10 | 83.19 | 80.03 | 74.33 | 63.10 | 46.80 | 45.48 | 60.06 | |||||||||||||
2011 | 40.39 | 40.61 | 51.00 | 58.47 | 61.55 | 72.30 | 80.39 | 84.00 | a | 74.79 | a | 61.97 | a | 48.50 | 40.03 | 59.50 | ||||||||||
2012 | 42.45 | 44.41 | 48.35 | 57.76 | a | 66.52 | b | 75.63 | 80.16 | 82.32 | 75.07 | b | 61.24 | b | 50.43 | 42.00 | 60.53 | |||||||||
2013 | 39.87 | a | 43.00 | 52.10 | 57.77 | 67.83 | a | 75.79 | b | 82.90 | b | 79.13 | a | 73.83 | 56.53 | a | 51.00 | b | 41.67 | j | 61.80 | a | ||||
2014 | 43.86 | b | 47.18 | 53.81 | 58.07 | 65.84 | 74.40 | 82.87 | a | 77.74 | 74.64 | b | 63.03 | b | 49.83 | 45.35 | 61.39 | |||||||||
2015 | 44.23 | 49.46 | 55.90 | 56.93 | 63.86 | b | 76.37 | c | 80.68 | 82.88 | e | 75.88 | e | 65.58 | 47.53 | 38.93 | a | 61.52 | ||||||||
2016 | 41.83 | a | 47.42 | c | 52.05 | j | 58.86 | a | 64.23 | a | 78.28 | a | 83.65 | h | 79.12 | f | 73.22 | c | 64.87 | a | 53.57 | i | 45.69 | b | 59.30 | d |
2017 | 43.63 | d | 49.19 | b | 54.18 | c | 57.67 | c | 65.91 | h | 76.93 | c | 83.17 | g | 80.22 | d | 72.00 | a | 62.54 | g | 55.07 | c | 43.92 | e | 59.20 | c |
2018 | 44.17 | b | 41.64 | 48.52 | 58.77 | 64.87 | 74.13 | 81.55 | 81.39 | 75.90 | 60.52 | 46.20 | 39.42 | g | 61.60 | a | ||||||||||
2019 | 40.07 | a | 39.29 | 48.55 | 57.37 | 59.68 | 73.30 | 81.48 | 81.42 | 74.30 | 57.03 | 48.63 | 41.32 | 58.54 | ||||||||||||
2020 | 39.52 | 41.24 | 48.39 | 55.53 | 67.16 | 73.47 | 82.42 | 83.81 | 73.83 | 60.57 | a | 48.60 | 38.26 | 59.40 | ||||||||||||
2021 | 40.97 | 43.89 | 46.35 | 58.40 | 64.19 | 77.97 | 81.16 | 80.42 | 74.80 | 57.87 | 51.33 | 44.26 | 60.13 | |||||||||||||
2022 | 41.19 | 41.64 | 48.74 | 57.80 | 64.90 | 77.40 | 82.55 | 80.52 | 76.30 | 61.45 | 42.43 | 40.23 | 59.60 | |||||||||||||
2023 | 39.39 | 39.96 | 45.39 | 54.66 | a | 65.03 | a | 69.48 | a | 86.26 | 83.47 | a | 73.48 | e | 61.91 | h | 51.57 | b | 41.76 | b | 59.13 | a | ||||
2024 | 37.76 | f | 44.19 | c | 48.07 | b | 54.73 | 65.62 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.00 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.64 | 43.57 | 48.16 | 54.24 | 62.78 | 71.59 | 79.31 | 78.17 | 71.29 | 58.63 | 47.13 | 40.14 | 57.75 | |||||||||||||
S.D. | 3.25 | 3.29 | 3.40 | 3.93 | 3.82 | 3.97 | 2.85 | 3.45 | 3.82 | 3.90 | 3.39 | 2.74 | 2.63 | |||||||||||||
SKEW | -0.60 | -0.12 | 0.03 | -0.60 | -0.23 | -0.53 | 0.02 | -0.45 | -0.74 | -0.69 | -0.08 | -0.23 | -0.64 | |||||||||||||
MAX | 47.39 | 49.46 | 56.81 | 60.17 | 70.48 | 78.28 | 86.26 | 84.00 | 76.37 | 65.58 | 55.07 | 45.69 | 61.52 | |||||||||||||
MIN | 32.00 | 37.04 | 39.52 | 44.67 | 54.29 | 60.17 | 73.39 | 69.10 | 62.40 | 48.16 | 39.66 | 32.06 | 52.38 | |||||||||||||
YRS | 58 | 60 | 59 | 60 | 58 | 59 | 57 | 58 | 59 | 58 | 59 | 58 | 53 |