YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.59 | a | 83.16 | 75.10 | 68.10 | 60.77 | 48.50 | 38.65 | 64.55 | e | ||||||
1960 | 29.68 | 34.21 | 47.55 | 56.23 | 65.29 | 78.10 | 83.03 | 80.65 | 72.43 | 55.03 | 44.43 | 37.90 | 57.04 | |||||||||||||
1961 | 40.48 | 40.96 | 42.58 | 53.90 | 63.71 | 78.14 | a | 80.00 | 73.63 | a | 64.23 | 57.31 | b | 42.33 | 32.47 | a | 55.81 | |||||||||
1962 | 36.06 | 36.81 | a | 38.10 | a | 59.41 | a | 60.55 | 72.57 | 78.03 | a | 79.74 | 72.40 | 60.71 | 50.07 | b | 42.68 | 57.26 | ||||||||
1963 | 35.03 | 45.14 | 42.17 | a | 49.93 | b | 67.65 | 71.45 | a | 82.26 | 73.72 | b | 71.43 | 63.39 | 45.90 | 39.58 | 57.30 | |||||||||
1964 | 34.00 | 33.86 | 37.84 | 50.10 | 61.06 | 71.30 | 82.00 | 76.87 | 70.37 | 65.81 | 41.37 | 36.03 | 55.05 | |||||||||||||
1965 | 37.06 | 38.21 | 40.26 | 49.10 | 58.23 | a | 68.27 | 76.94 | 76.55 | 65.20 | 65.23 | 46.60 | 36.29 | 54.83 | ||||||||||||
1966 | 32.90 | 32.71 | 48.07 | a | 58.20 | 68.03 | a | 74.40 | 80.06 | 80.00 | 70.38 | a | 59.32 | 48.00 | 35.45 | 57.29 | ||||||||||
1967 | 36.74 | 41.36 | 48.73 | a | 47.93 | 60.87 | 68.23 | 80.03 | a | 78.39 | 68.83 | 64.19 | 50.13 | 30.48 | 56.33 | |||||||||||
1968 | 35.35 | 41.41 | 46.35 | 48.03 | 60.73 | a | 74.77 | 75.42 | 69.23 | 69.30 | 58.90 | 44.00 | 32.84 | 54.70 | ||||||||||||
1969 | 38.29 | 32.54 | 38.65 | 54.57 | 68.45 | 69.17 | 78.94 | 78.29 | 71.70 | 51.39 | 45.47 | 39.23 | 55.56 | |||||||||||||
1970 | 37.32 | 43.68 | 42.42 | 48.43 | 66.42 | 73.50 | 77.71 | 77.06 | 68.17 | 56.16 | 48.03 | 34.77 | 56.14 | |||||||||||||
1971 | 36.83 | a | 37.75 | 45.94 | 54.47 | 59.39 | 74.30 | 81.90 | 77.06 | 68.53 | 53.74 | 40.17 | 30.61 | 55.06 | ||||||||||||
1972 | 36.77 | 42.21 | a | 54.77 | 56.73 | 66.45 | 72.57 | 82.68 | 78.16 | 67.40 | 53.13 | 36.93 | ----- | z | 58.89 | a | ||||||||||
1973 | 30.35 | 35.93 | a | ----- | z | 47.67 | 64.65 | 73.50 | 80.10 | 77.87 | 70.40 | 61.74 | 45.37 | 40.39 | 57.09 | a | ||||||||||
1974 | 32.83 | a | 37.59 | a | 50.10 | 52.61 | b | 69.10 | a | 80.13 | 79.29 | 78.13 | 72.83 | 59.13 | 45.23 | d | 33.17 | b | 57.51 | |||||||
1975 | 39.07 | c | 35.86 | 40.00 | b | 43.37 | 59.19 | 71.48 | a | 78.97 | 76.81 | 69.90 | 59.35 | 45.10 | a | 41.79 | c | 55.07 | ||||||||
1976 | 39.03 | a | 42.69 | 42.16 | 51.53 | 65.00 | 74.43 | 81.77 | a | 76.61 | 68.27 | 58.61 | 51.03 | a | 43.35 | 57.87 | ||||||||||
1977 | 36.43 | a | 44.68 | 43.77 | 59.27 | 58.70 | a | 76.86 | a | 79.94 | 80.10 | 73.10 | 63.77 | 49.34 | a | 44.48 | 59.20 | |||||||||
1978 | 35.61 | 37.61 | 47.52 | 53.43 | 61.94 | 76.07 | 82.13 | 79.19 | 68.87 | 64.10 | 42.28 | a | 32.55 | 56.77 | ||||||||||||
1979 | 28.90 | 36.25 | 41.74 | 52.07 | 63.45 | 74.97 | 81.90 | 76.19 | 75.60 | 64.77 | 39.40 | 42.58 | 56.49 | |||||||||||||
1980 | 39.10 | 41.34 | 40.55 | 53.61 | b | 59.07 | b | 75.53 | 81.03 | a | 77.19 | 70.77 | 59.26 | 49.63 | 49.90 | a | 58.08 | |||||||||
1981 | 44.71 | 45.00 | a | 44.81 | 59.50 | 62.26 | 78.93 | 80.74 | 77.35 | 70.47 | 54.10 | 47.86 | b | 43.00 | 59.06 | |||||||||||
1982 | 38.83 | a | 39.39 | 42.83 | a | 52.66 | a | 61.28 | b | 71.90 | 77.94 | 75.13 | 67.20 | 54.32 | 41.76 | e | 35.18 | c | 54.87 | |||||||
1983 | 38.41 | b | 40.25 | 41.65 | 45.73 | 62.35 | 72.20 | 77.70 | a | 75.40 | a | 72.50 | 60.77 | a | 41.79 | a | 36.88 | f | 57.16 | a | ||||||
1984 | 38.92 | e | 41.40 | d | 44.19 | e | 52.00 | c | 70.67 | a | 72.38 | a | 78.45 | 75.97 | b | 72.50 | 51.61 | 44.41 | c | 35.78 | d | 56.52 | ||||
1985 | 34.93 | b | 36.37 | a | 43.07 | b | 59.52 | c | 64.62 | b | 76.89 | c | 78.60 | a | 79.57 | a | 65.70 | 58.42 | 41.79 | b | 38.87 | a | 56.53 | |||
1986 | 45.00 | a | 41.21 | 49.90 | a | 52.57 | 64.84 | 76.20 | 76.58 | 76.90 | 62.37 | c | 52.83 | a | 45.00 | b | 36.00 | 56.62 | ||||||||
1987 | 32.81 | 35.93 | 39.77 | 56.97 | 60.90 | 75.67 | 76.03 | 73.77 | 69.87 | 61.48 | 40.43 | 32.29 | 54.66 | |||||||||||||
1988 | 33.68 | 42.19 | h | 41.97 | a | 53.07 | b | 59.63 | d | 74.30 | 81.04 | e | 76.03 | 68.37 | 64.00 | c | 44.47 | 36.06 | 57.51 | a | ||||||
1989 | 31.43 | a | 33.36 | 50.73 | a | 60.64 | b | 63.29 | n | 72.86 | b | 83.14 | j | 75.62 | b | 69.97 | 58.03 | 48.45 | a | 40.62 | b | 54.17 | b | |||
1990 | 35.03 | a | 34.30 | a | 45.29 | 54.83 | 61.48 | 76.17 | 79.35 | 75.68 | 69.83 | 59.58 | 45.67 | 28.83 | a | 55.50 | ||||||||||
1991 | 32.87 | 42.75 | 37.13 | 49.20 | 60.07 | a | 70.53 | 78.61 | 76.29 | 70.37 | 61.06 | 41.07 | 33.65 | 54.47 | ||||||||||||
1992 | 33.77 | 37.83 | 43.42 | 59.47 | 63.74 | 71.57 | 74.55 | 75.68 | 69.70 | 61.13 | 38.90 | 29.42 | 54.93 | |||||||||||||
1993 | 31.80 | a | 33.43 | 43.77 | 52.33 | 63.52 | 69.60 | 78.23 | 74.84 | 69.77 | 55.87 | 40.30 | 35.48 | 54.08 | ||||||||||||
1994 | 38.55 | 32.86 | 47.84 | 53.23 | 62.39 | 78.07 | 81.84 | 79.55 | 70.00 | 53.90 | 36.63 | 34.06 | 55.74 | |||||||||||||
1995 | 31.19 | 46.32 | 43.42 | 49.07 | 55.94 | 66.47 | 77.97 | 79.06 | 71.87 | 60.71 | 52.07 | 39.77 | 56.15 | |||||||||||||
1996 | ----- | z | 42.93 | 46.48 | 55.33 | 67.52 | 78.37 | 81.58 | 80.23 | 67.50 | 56.29 | 43.67 | 35.19 | 59.55 | a | |||||||||||
1997 | 34.20 | a | 35.82 | 49.84 | 48.43 | 66.10 | 72.48 | a | 78.30 | a | 74.38 | b | 66.67 | 55.84 | 44.57 | 33.23 | 54.99 | |||||||||
1998 | 37.77 | 31.85 | a | 42.20 | a | 46.86 | a | 60.67 | a | 68.67 | 80.00 | 77.97 | a | 66.63 | 52.97 | a | 44.24 | a | 37.19 | 53.92 | ||||||
1999 | 39.94 | 40.79 | 50.26 | 46.24 | a | 59.41 | b | 71.97 | 77.03 | b | 73.06 | 66.72 | a | 64.38 | b | 51.73 | 38.17 | a | 56.64 | |||||||
2000 | 38.68 | 39.03 | 44.40 | a | 59.77 | 69.00 | a | 76.21 | a | 81.10 | 79.23 | 72.07 | 54.23 | 35.20 | 39.65 | 57.38 | ||||||||||
2001 | 32.00 | 34.25 | 42.80 | a | 49.92 | e | 65.86 | c | 75.07 | a | 77.07 | c | 75.83 | b | 71.70 | 62.55 | b | 44.28 | a | 31.03 | 55.20 | |||||
2002 | 35.33 | a | 39.11 | a | 43.03 | b | 58.10 | 64.68 | 79.68 | b | 83.03 | a | 80.00 | a | 66.53 | 53.77 | 44.57 | 33.68 | c | 56.79 | ||||||
2003 | 43.00 | 35.57 | 42.84 | 49.67 | 63.46 | c | 74.45 | a | 84.68 | c | 76.80 | a | 71.63 | 64.20 | a | 37.93 | 36.03 | a | 56.69 | |||||||
2004 | 33.53 | a | 30.38 | 50.00 | 52.97 | 65.07 | d | 73.96 | c | 78.31 | b | 76.90 | a | 68.82 | b | 51.03 | b | 38.76 | a | 35.38 | b | 54.59 | ||||
2005 | 35.32 | c | 36.13 | e | 41.03 | a | 49.96 | b | 62.40 | a | 68.00 | d | 82.43 | c | 72.90 | 68.70 | 57.11 | c | 46.64 | b | 36.62 | b | 54.77 | |||
2006 | 34.03 | b | 39.08 | c | 37.40 | a | 52.62 | d | 66.59 | d | 77.70 | c | 79.67 | d | 76.41 | d | 64.23 | d | 51.86 | c | 46.54 | d | 36.35 | e | 55.21 | |
2007 | 31.00 | e | 38.96 | 49.36 | i | 53.69 | d | 63.39 | h | 77.31 | d | 82.00 | b | 77.84 | l | 68.25 | b | 55.97 | b | 54.00 | o | ----- | z | 58.17 | e | |
2008 | ----- | z | ----- | z | 45.88 | e | 53.03 | 56.67 | v | ----- | z | 79.32 | l | 79.06 | 70.67 | 59.42 | 48.63 | 36.87 | 56.22 | e | ||||||
2009 | 40.03 | 39.18 | 46.52 | 51.24 | a | 68.77 | 68.13 | 80.71 | 78.03 | 72.70 | 54.19 | 49.60 | 34.65 | 56.98 | ||||||||||||
2010 | 36.23 | 37.43 | 42.03 | 50.63 | 58.19 | 74.53 | 79.32 | 74.71 | 73.70 | 56.77 | 43.37 | 40.61 | 55.63 | |||||||||||||
2011 | 37.68 | 35.86 | 44.55 | 51.57 | 57.42 | 73.03 | 76.94 | 79.03 | 69.67 | 58.81 | 43.67 | 36.71 | 55.41 | |||||||||||||
2012 | 42.23 | 38.62 | 48.06 | 56.07 | a | 66.23 | 78.97 | 77.42 | 77.10 | 70.10 | 60.48 | 50.27 | 36.71 | 58.52 | ||||||||||||
2013 | 33.97 | 37.25 | 48.52 | 54.48 | a | 63.00 | a | 78.87 | 79.16 | 75.55 | 66.00 | 53.42 | 45.10 | 36.16 | 55.96 | |||||||||||
2014 | 42.03 | 43.14 | 49.13 | 55.33 | 61.74 | 75.27 | 79.10 | 72.84 | 70.47 | 61.48 | 50.10 | 37.42 | 58.17 | |||||||||||||
2015 | 43.00 | 46.11 | 51.39 | 53.80 | 57.77 | 77.43 | 75.90 | 75.97 | 73.77 | 59.45 | 42.48 | a | 36.70 | a | 57.81 | |||||||||||
2016 | 35.83 | a | 44.25 | a | 49.80 | a | 52.60 | 59.26 | 80.00 | 80.39 | 74.77 | 66.97 | 60.13 | 48.67 | 37.45 | 57.51 | ||||||||||
2017 | 34.27 | a | 43.04 | 51.38 | b | 55.90 | 63.13 | 81.32 | b | 80.53 | a | 77.84 | 67.79 | a | 61.32 | c | 56.13 | g | 47.00 | a | 60.32 | a | ||||
2018 | 42.40 | a | 41.29 | 44.90 | 59.52 | e | 64.71 | 79.37 | 80.68 | 78.39 | 74.23 | 52.45 | 47.80 | 37.13 | 58.57 | |||||||||||
2019 | 35.62 | b | 31.91 | e | 43.00 | b | 53.70 | 53.58 | 70.73 | 78.48 | 78.55 | 71.07 | 56.28 | b | 46.77 | 31.33 | a | 54.25 | ||||||||
2020 | 33.97 | 38.11 | a | 41.52 | 52.30 | 67.23 | 75.53 | 79.42 | 83.35 | 73.50 | 64.83 | a | 46.70 | 34.71 | 57.60 | |||||||||||
2021 | 33.26 | 36.11 | 40.90 | 55.92 | e | 64.65 | 79.23 | 79.61 | 78.87 | 72.30 | 50.61 | 51.17 | 35.81 | 56.54 | ||||||||||||
2022 | 36.32 | 35.25 | 44.43 | a | 54.10 | 64.19 | 75.23 | 79.42 | 74.94 | 72.17 | 56.80 | a | 38.00 | 32.00 | 55.24 | |||||||||||
2023 | 27.48 | 30.85 | b | 33.16 | 48.63 | 62.27 | a | 67.97 | 83.74 | 74.79 | b | 68.43 | 58.07 | a | 46.53 | 39.50 | a | 53.45 | ||||||||
2024 | 34.61 | 35.50 | a | 41.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.26 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.09 | 38.27 | 44.38 | 53.03 | 63.02 | 74.38 | 79.70 | 76.89 | 69.72 | 58.28 | 44.87 | 36.73 | 56.19 | |||||||||||||
S.D. | 3.79 | 4.03 | 4.19 | 3.94 | 3.58 | 3.61 | 2.18 | 2.35 | 2.66 | 4.14 | 4.08 | 4.12 | 1.38 | |||||||||||||
SKEW | 0.26 | 0.10 | 0.04 | -0.00 | -0.13 | -0.23 | -0.03 | -0.27 | -0.33 | -0.03 | -0.32 | 0.68 | 0.22 | |||||||||||||
MAX | 45.00 | 46.32 | 54.77 | 60.64 | 70.67 | 81.32 | 84.68 | 83.35 | 75.60 | 65.81 | 52.07 | 49.90 | 59.20 | |||||||||||||
MIN | 27.48 | 30.38 | 33.16 | 43.37 | 53.58 | 66.47 | 74.55 | 69.23 | 62.37 | 50.61 | 35.20 | 28.83 | 53.45 | |||||||||||||
YRS | 63 | 63 | 63 | 64 | 61 | 64 | 63 | 64 | 65 | 65 | 63 | 62 | 55 |