YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.39 | u | 76.98 | e | 75.02 | b | 61.87 | c | 62.61 | i | 44.00 | r | 31.42 | 61.32 | h | |
1966 | 26.21 | 28.88 | 43.45 | b | 51.98 | b | 63.74 | 72.27 | 79.94 | 76.95 | a | 68.35 | 53.29 | 44.58 | 29.92 | 53.30 | ||||||||||
1967 | 27.16 | 36.56 | a | 46.24 | 49.22 | a | 58.98 | 66.93 | a | 77.69 | 76.24 | 67.88 | 58.52 | 44.90 | a | 26.08 | s | 55.48 | a | |||||||
1968 | 23.61 | 37.55 | 44.77 | 46.72 | 60.19 | 73.20 | 76.50 | 69.10 | 65.18 | 55.84 | 38.42 | 26.42 | 51.46 | |||||||||||||
1969 | 33.00 | 33.15 | b | 37.92 | 53.47 | 66.48 | b | 67.58 | 78.44 | 78.65 | 68.52 | 47.11 | 39.07 | 33.13 | 53.04 | |||||||||||
1970 | 30.69 | 40.29 | 38.97 | 45.18 | 63.65 | 70.47 | 78.32 | 78.18 | 64.82 | 49.61 | 41.83 | 32.73 | 52.89 | |||||||||||||
1971 | 30.23 | 33.95 | 41.79 | 51.35 | 59.16 | 74.20 | 80.85 | a | 76.74 | 63.60 | 51.18 | 37.12 | 26.79 | 52.25 | ||||||||||||
1972 | 32.16 | 39.34 | 50.16 | 53.32 | 63.80 | a | 72.90 | 79.82 | 75.61 | 66.73 | 51.66 | 36.28 | 25.26 | 53.92 | ||||||||||||
1973 | 18.18 | 30.16 | 39.02 | 46.33 | 61.34 | 70.53 | 76.89 | 76.71 | 65.98 | 56.34 | c | 42.18 | ----- | z | 53.06 | a | ||||||||||
1974 | ----- | z | ----- | z | 47.91 | b | 48.35 | 66.43 | b | 76.57 | a | 76.80 | a | 76.27 | a | 68.21 | a | 55.91 | b | 40.05 | a | 28.73 | 58.52 | b | ||
1975 | 26.15 | a | 33.48 | 40.32 | a | 44.95 | 56.44 | 67.75 | 77.17 | b | 75.55 | a | 67.25 | 55.19 | 43.47 | k | 30.28 | a | 52.23 | a | ||||||
1976 | 26.76 | 39.07 | 38.23 | 51.70 | 62.16 | 71.12 | a | 79.03 | a | 73.97 | b | 66.80 | 53.18 | 43.15 | 31.68 | 53.07 | ||||||||||
1977 | 27.77 | 37.69 | a | 41.16 | c | 55.60 | d | 59.82 | a | 76.55 | 76.37 | a | 75.06 | 68.25 | 57.31 | 41.52 | 36.23 | 54.44 | ||||||||
1978 | 30.18 | 34.32 | 47.02 | a | 53.26 | c | 58.98 | 72.88 | 77.23 | a | 75.73 | 66.56 | e | 59.52 | f | 41.75 | 23.35 | 52.84 | a | |||||||
1979 | 21.30 | c | 29.89 | a | 41.39 | d | 50.66 | a | 58.60 | a | 70.55 | 79.31 | 74.48 | a | 73.02 | 59.60 | 34.62 | a | 30.41 | b | 51.99 | |||||
1980 | 30.81 | 37.74 | 38.48 | 49.50 | 56.91 | c | 73.45 | 80.39 | 76.17 | a | 67.57 | a | 54.10 | 42.53 | 39.53 | 53.93 | ||||||||||
1981 | 37.52 | 37.30 | 41.16 | 55.43 | 58.52 | 73.83 | 77.85 | 75.71 | 67.76 | a | 50.97 | 43.92 | 33.18 | 54.43 | ||||||||||||
1982 | 27.94 | 31.36 | 41.66 | 48.05 | b | 59.23 | 69.36 | a | 76.23 | 74.10 | a | 64.91 | a | 48.85 | 38.18 | 30.34 | 50.85 | |||||||||
1983 | 30.84 | 37.18 | 41.29 | 43.89 | b | 55.29 | 67.03 | 74.97 | a | 76.55 | 69.93 | b | 55.69 | 39.60 | a | 28.69 | 51.75 | |||||||||
1984 | 24.48 | 30.60 | 39.19 | d | 45.93 | a | 65.72 | a | 68.55 | 77.13 | 74.33 | b | 67.74 | e | 47.75 | e | 40.17 | a | 29.71 | 50.94 | ||||||
1985 | 26.95 | 28.36 | c | 40.65 | a | 52.60 | 61.53 | 73.78 | a | 77.05 | 77.05 | 60.80 | 51.58 | 37.98 | 31.61 | 51.66 | ||||||||||
1986 | 33.79 | 39.22 | a | 48.03 | 49.96 | b | 58.15 | 73.82 | 75.16 | 76.24 | 60.85 | 49.19 | 39.98 | 31.10 | 52.96 | |||||||||||
1987 | 26.05 | 34.23 | 37.89 | 54.22 | a | 60.32 | a | 74.10 | a | 74.35 | 72.74 | 67.13 | 57.09 | b | 38.25 | 27.08 | 51.95 | |||||||||
1988 | 22.61 | 32.78 | 37.45 | c | 50.65 | 61.79 | c | 74.46 | b | 79.85 | 75.55 | 63.38 | 59.64 | b | 39.80 | 28.32 | 52.19 | |||||||||
1989 | 21.77 | 28.52 | a | 47.32 | a | 57.60 | 61.48 | a | 70.18 | 79.37 | 72.64 | b | 67.50 | 54.81 | b | 41.32 | b | 31.10 | 52.80 | |||||||
1990 | 28.18 | 33.84 | c | 45.07 | a | 54.72 | 58.77 | 74.28 | 76.07 | b | 74.79 | 69.23 | 53.52 | a | 39.29 | a | 22.79 | 52.55 | ||||||||
1991 | 21.84 | 34.41 | 39.17 | a | 47.05 | b | 59.40 | b | 70.02 | 75.92 | a | 74.02 | 65.30 | 55.13 | a | 35.00 | b | 24.47 | 50.14 | |||||||
1992 | 22.02 | a | 34.74 | 43.98 | a | 55.58 | 60.68 | 68.00 | a | 71.81 | b | 75.93 | c | 67.50 | e | 58.17 | b | 34.18 | 26.12 | b | 51.56 | |||||
1993 | 30.23 | 33.89 | 45.03 | 49.89 | b | 60.89 | 67.44 | c | 75.83 | b | 73.90 | 65.42 | 51.27 | a | 35.29 | a | 29.32 | c | 51.53 | |||||||
1994 | 32.32 | ----- | z | 47.16 | b | 49.64 | a | 62.72 | d | 76.93 | a | 80.85 | a | 79.39 | 68.34 | a | 51.42 | 33.21 | b | 29.38 | a | 55.58 | a | |||
1995 | 31.58 | a | 43.39 | a | 44.21 | 47.91 | a | 53.97 | a | 67.00 | a | 76.28 | a | 78.29 | 68.93 | a | 52.65 | a | 45.02 | e | 43.03 | o | 55.39 | a | ||
1996 | 32.62 | f | 39.43 | 43.88 | b | 51.20 | 65.13 | 75.42 | 81.02 | b | 78.89 | 64.22 | 54.09 | b | 40.16 | b | 32.00 | b | 56.86 | a | ||||||
1997 | 29.96 | c | 32.72 | a | 45.94 | 46.23 | 63.53 | b | 72.67 | a | 76.05 | 73.74 | 66.36 | a | 52.95 | a | 39.58 | 28.40 | b | 52.35 | ||||||
1998 | 34.07 | b | 33.46 | b | 42.75 | a | 47.48 | a | 60.77 | c | 67.52 | a | 79.76 | b | 78.12 | a | 68.87 | 52.91 | d | 40.66 | a | 29.18 | c | 52.96 | ||
1999 | 34.87 | a | 37.42 | b | 48.41 | b | 44.60 | 57.83 | b | 69.71 | b | 77.19 | b | 72.80 | a | 64.64 | a | 57.65 | a | 45.68 | 30.20 | a | 53.42 | |||
2000 | 34.84 | 38.47 | 41.73 | 55.98 | 65.00 | 74.30 | 80.45 | 78.87 | 68.09 | c | 53.73 | 32.26 | a | 32.62 | a | 54.69 | ||||||||||
2001 | 29.02 | 35.06 | b | 43.95 | a | 52.86 | b | 64.86 | b | 74.29 | a | 78.35 | 75.95 | c | 71.33 | a | 58.38 | a | 43.98 | 27.88 | b | 54.66 | ||||
2002 | 28.21 | b | 31.06 | a | 39.04 | e | 56.13 | 62.02 | 77.38 | 81.81 | 77.25 | a | 65.21 | a | 51.22 | a | 39.03 | 32.20 | a | 53.38 | ||||||
2003 | 36.83 | a | 34.04 | a | 43.60 | b | 51.28 | 63.32 | 72.57 | 84.82 | 77.82 | 67.47 | 60.59 | c | 38.45 | 31.34 | c | 55.18 | ||||||||
2004 | 25.53 | b | 30.91 | 50.23 | 51.58 | 62.63 | a | 73.28 | 78.56 | 75.34 | 65.88 | 52.37 | a | 38.04 | b | 30.28 | a | 52.89 | ||||||||
2005 | 36.78 | b | 36.88 | 42.63 | 50.85 | 62.03 | 68.28 | 82.48 | 73.86 | b | 67.07 | b | 55.13 | a | 42.53 | 30.83 | a | 54.11 | ||||||||
2006 | 31.73 | c | 35.24 | a | 40.60 | a | 53.81 | a | 65.97 | 76.82 | 80.79 | 74.50 | 62.38 | a | 50.29 | c | 41.97 | 28.97 | a | 53.59 | ||||||
2007 | 26.53 | a | 38.00 | a | 45.63 | 52.34 | a | 62.42 | 75.10 | 80.85 | a | 77.98 | a | 68.30 | 52.98 | a | 46.43 | b | 27.67 | a | 54.52 | |||||
2008 | 25.95 | a | 32.95 | 42.45 | a | 48.57 | 58.20 | a | 71.86 | a | 80.60 | f | 77.14 | b | 68.68 | 55.42 | 44.70 | 29.55 | b | 50.50 | a | |||||
2009 | 30.55 | a | 38.11 | 44.86 | c | 48.85 | 65.13 | 68.71 | b | 80.68 | c | 77.38 | a | 70.73 | 51.82 | c | 43.02 | 23.06 | 53.58 | |||||||
2010 | 24.73 | 28.41 | 40.50 | 50.63 | 57.04 | c | 73.40 | 79.68 | 73.56 | 70.75 | 55.00 | a | 40.34 | e | 34.65 | a | 52.39 | |||||||||
2011 | 25.18 | a | 30.06 | a | 44.27 | 48.34 | a | 54.89 | 71.83 | a | 76.92 | 79.29 | 69.48 | 54.66 | 40.36 | a | 29.44 | 52.06 | ||||||||
2012 | 33.02 | a | 34.84 | 47.13 | 55.53 | 65.18 | 77.55 | 79.13 | 78.45 | 69.40 | 56.42 | 45.74 | a | 30.55 | a | 56.08 | ||||||||||
2013 | 20.53 | b | 31.43 | 45.29 | 48.80 | 61.92 | 77.14 | a | 80.55 | b | 75.58 | 66.98 | 52.12 | e | 39.56 | e | 23.57 | b | 51.96 | |||||||
2014 | 32.21 | 40.09 | a | 45.12 | b | 50.47 | 60.44 | 73.10 | 80.27 | a | 72.32 | a | 70.60 | 56.82 | a | 40.83 | a | 33.79 | 54.67 | |||||||
2015 | 29.28 | h | 40.09 | f | 49.77 | a | 52.24 | a | 57.13 | a | 74.55 | b | 74.52 | 76.03 | 71.48 | c | 57.72 | a | 39.18 | 28.15 | a | 58.08 | b | |||
2016 | 27.85 | d | 37.02 | d | 46.21 | 50.76 | a | 59.44 | 79.27 | 79.94 | 74.45 | 67.28 | a | 58.37 | 46.00 | 30.70 | a | 54.77 | ||||||||
2017 | 30.59 | d | 41.37 | b | 50.13 | 50.95 | 60.89 | 78.03 | 80.26 | 77.55 | 67.47 | 52.81 | 48.63 | 34.98 | b | 56.14 | ||||||||||
2018 | 34.12 | a | 37.31 | a | 43.87 | 53.90 | 65.15 | a | 77.74 | a | 81.97 | 78.65 | 73.25 | 49.92 | 39.02 | a | 29.33 | j | 57.72 | a | ||||||
2019 | 31.53 | n | 30.34 | 42.71 | b | 53.07 | a | 54.81 | d | 69.87 | 80.65 | a | 80.34 | 71.37 | 48.69 | 42.73 | 30.44 | 55.00 | a | |||||||
2020 | 25.24 | b | 33.14 | 45.44 | d | 52.87 | d | 65.85 | 72.67 | d | 80.17 | a | 83.61 | 68.15 | d | 58.19 | b | 43.38 | d | 29.48 | k | 57.16 | a | |||
2021 | 30.43 | j | 34.56 | d | 42.29 | 51.17 | 63.98 | a | 78.23 | 81.19 | b | 76.27 | a | 70.75 | 50.13 | d | 47.14 | i | 36.60 | j | 60.95 | c | ||||
2022 | 32.50 | q | 33.17 | e | 42.47 | 51.77 | 61.68 | a | 74.40 | a | 80.38 | b | 76.91 | c | 72.43 | a | 54.88 | a | 36.30 | 30.78 | a | 55.93 | a | |||
2023 | 30.63 | 27.54 | 36.22 | a | 48.67 | a | 64.45 | b | 69.66 | a | 82.27 | 77.62 | a | 69.36 | a | 56.53 | 43.07 | 34.23 | a | 53.35 | ||||||
2024 | 32.79 | 37.88 | 43.76 | 53.98 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.14 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.76 | 34.69 | 43.34 | 50.79 | 61.15 | 72.61 | 78.64 | 76.13 | 67.51 | 54.01 | 40.55 | 29.90 | 53.08 | |||||||||||||
S.D. | 4.51 | 3.71 | 3.49 | 3.23 | 3.21 | 3.36 | 2.44 | 2.31 | 2.77 | 3.25 | 3.52 | 3.33 | 1.37 | |||||||||||||
SKEW | -0.17 | 0.02 | 0.09 | -0.11 | -0.24 | -0.03 | -0.22 | 0.09 | -0.30 | -0.05 | -0.16 | 0.01 | 0.21 | |||||||||||||
MAX | 37.52 | 43.39 | 50.23 | 57.60 | 66.48 | 79.27 | 84.82 | 83.61 | 73.25 | 60.59 | 48.63 | 39.53 | 56.14 | |||||||||||||
MIN | 18.18 | 27.54 | 36.22 | 43.89 | 53.97 | 66.93 | 71.81 | 69.10 | 60.80 | 47.11 | 32.26 | 22.79 | 50.14 | |||||||||||||
YRS | 53 | 56 | 59 | 58 | 58 | 58 | 58 | 59 | 59 | 57 | 56 | 53 | 43 |