YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | 32.13 | 33.52 | 36.95 | 49.03 | 53.92 | 63.92 | 74.35 | 71.18 | 56.93 | 53.10 | 43.12 | 30.76 | 49.91 | |||||||||||||
1966 | 27.23 | 30.45 | 39.81 | 48.42 | 61.73 | 67.67 | 76.95 | 73.47 | 64.52 | 49.15 | 41.78 | 25.03 | 50.52 | |||||||||||||
1967 | 23.02 | 34.64 | 43.61 | 43.35 | 55.21 | 63.38 | 76.37 | 75.61 | 64.35 | 50.71 | 41.32 | 20.55 | 49.34 | |||||||||||||
1968 | 21.27 | 39.19 | 42.69 | 43.92 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.77 | h | ||||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.76 | a | ----- | z | 75.65 | 57.98 | 44.98 | 39.52 | 26.74 | 51.94 | f | |||||
1971 | 28.05 | 30.43 | 38.16 | 47.03 | 53.57 | j | 66.68 | 75.66 | c | 75.16 | 58.67 | 45.97 | 34.57 | 24.05 | 47.68 | a | ||||||||||
1972 | 30.45 | 36.74 | 45.60 | 48.30 | 59.56 | 69.88 | 75.19 | b | 71.29 | 61.52 | a | 50.98 | 35.78 | 15.97 | 50.11 | |||||||||||
1973 | 13.85 | 31.73 | 37.90 | 45.30 | 60.74 | 67.68 | 74.81 | 73.84 | 60.25 | 51.61 | 38.67 | 29.55 | 48.83 | |||||||||||||
1974 | 26.15 | 32.70 | 44.74 | 45.72 | 60.31 | 71.78 | 74.48 | a | 71.65 | 63.63 | 51.19 | 38.47 | 26.77 | 50.63 | ||||||||||||
1975 | 22.65 | 32.38 | 38.21 | 42.10 | 52.18 | 63.17 | 75.18 | 70.10 | 63.00 | 49.66 | 34.92 | 29.00 | 47.71 | |||||||||||||
1976 | 24.94 | 35.84 | 34.48 | 46.88 | 60.31 | 65.03 | 76.44 | 68.63 | 63.43 | 48.16 | 38.60 | 25.68 | 49.04 | |||||||||||||
1977 | 23.77 | 33.43 | 35.24 | 50.75 | ----- | z | 71.55 | 74.45 | 72.65 | 64.23 | 52.85 | 39.50 | 34.79 | 50.29 | a | |||||||||||
1978 | 33.55 | 37.34 | 46.05 | 48.18 | 53.98 | 66.38 | 73.56 | 68.97 | 59.73 | 53.13 | 33.70 | 22.47 | 49.75 | |||||||||||||
1979 | 19.00 | 26.93 | 40.29 | 48.23 | 57.35 | 66.62 | 73.77 | 71.03 | 66.60 | 53.76 | 32.32 | 30.48 | 48.87 | |||||||||||||
1980 | 30.65 | 34.55 | 37.77 | 48.82 | 54.37 | 65.67 | 75.08 | 71.11 | 62.50 | a | 49.74 | 39.33 | 34.31 | 50.33 | ||||||||||||
1981 | 28.98 | 35.38 | 41.11 | 52.65 | 55.55 | 69.05 | 76.11 | 73.63 | 65.57 | 48.05 | 41.95 | 31.16 | 51.60 | |||||||||||||
1982 | 25.26 | 33.30 | 40.29 | 44.83 | 55.68 | 64.52 | 71.52 | 73.85 | 61.32 | 46.05 | 35.67 | 24.42 | 48.06 | |||||||||||||
1983 | 31.08 | 38.02 | 41.92 | 43.45 | 53.83 | a | 65.37 | 72.24 | 73.55 | 65.02 | 53.10 | 37.93 | 30.20 | a | 50.48 | |||||||||||
1984 | 14.77 | 19.04 | a | 37.06 | 45.47 | 60.06 | 64.12 | 73.81 | 73.42 | 62.95 | a | 46.03 | 38.65 | 24.32 | 46.64 | |||||||||||
1985 | 25.52 | 27.44 | a | 40.13 | 52.22 | 59.65 | 69.65 | 76.02 | 72.45 | 58.60 | 50.29 | 34.20 | 22.05 | 49.02 | ||||||||||||
1986 | 32.13 | 40.07 | 46.95 | 48.20 | 56.65 | 70.28 | 72.68 | 74.92 | 58.28 | 49.16 | 38.43 | a | 28.19 | 51.33 | ||||||||||||
1987 | 22.02 | 33.68 | 40.37 | 53.43 | 60.65 | 69.87 | 71.71 | 71.35 | 62.72 | 53.39 | 36.92 | 25.35 | 50.12 | |||||||||||||
1988 | 14.35 | 23.53 | 38.23 | 49.67 | 56.35 | 70.60 | 76.48 | 71.97 | 61.50 | a | 57.35 | 37.70 | 21.82 | 48.30 | ||||||||||||
1989 | 14.05 | a | 22.61 | a | 46.06 | 53.17 | 57.68 | 65.38 | 76.92 | 70.74 | 63.83 | 50.77 | 38.27 | 28.02 | 48.96 | |||||||||||
1990 | 31.13 | 26.80 | 44.52 | 52.33 | 56.27 | 68.70 | 76.08 | 72.94 | 68.90 | 51.69 | 37.10 | 16.90 | 50.28 | |||||||||||||
1991 | 17.61 | 33.46 | 40.39 | 46.20 | 53.30 | a | 65.68 | 75.35 | 74.76 | 62.55 | 50.90 | 37.37 | 26.74 | 48.69 | ||||||||||||
1992 | 24.11 | 38.64 | 46.15 | a | 55.42 | 61.24 | 66.97 | 72.34 | 74.18 | 64.68 | 55.00 | 33.27 | 25.27 | 51.44 | ||||||||||||
1993 | 24.29 | 29.62 | 44.02 | 47.90 | 60.10 | 62.47 | 69.63 | 70.79 | 62.18 | 49.48 | 32.53 | 28.23 | 48.44 | |||||||||||||
1994 | 32.29 | 33.41 | 44.21 | 50.86 | a | 60.94 | 71.65 | 76.94 | 76.44 | 65.27 | 50.16 | 30.08 | 28.40 | a | 51.72 | |||||||||||
1995 | 33.89 | 39.55 | 42.45 | 46.25 | 53.10 | 61.52 | 72.89 | 74.24 | 65.37 | 49.89 | 42.58 | 32.22 | a | 51.16 | ||||||||||||
1996 | 30.77 | 33.81 | 42.71 | 48.07 | 58.68 | 70.70 | 76.60 | 73.05 | 61.48 | 49.27 | 39.55 | 33.03 | 51.48 | |||||||||||||
1997 | 26.69 | 31.50 | a | 44.52 | 46.57 | 60.78 | a | 67.02 | 71.76 | 75.13 | 64.83 | 49.44 | 39.70 | 25.65 | a | 50.30 | ||||||||||
1998 | 34.73 | a | 35.66 | 41.45 | 46.83 | 55.82 | 61.87 | 77.07 | a | 75.69 | 66.05 | 50.23 | 39.60 | a | 22.61 | 50.64 | ||||||||||
1999 | 34.00 | 37.94 | a | 45.18 | 44.42 | 55.97 | 67.40 | 75.15 | 72.68 | 62.07 | 52.23 | 42.57 | 27.97 | b | 51.46 | |||||||||||
2000 | 34.97 | 39.36 | 41.72 | a | 53.28 | 60.82 | 68.75 | 76.50 | 76.74 | 63.20 | 49.84 | 29.68 | 28.97 | 51.99 | ||||||||||||
2001 | 25.81 | 34.05 | 43.31 | 49.03 | 61.97 | 68.55 | 75.48 | 75.84 | 65.50 | 51.47 | a | 37.83 | 24.18 | 51.08 | ||||||||||||
2002 | 26.68 | 28.88 | 36.32 | 50.23 | 57.75 | a | 69.03 | 77.70 | a | 70.11 | 60.40 | 44.92 | 31.43 | 28.79 | 48.52 | |||||||||||
2003 | 33.60 | 29.79 | 40.34 | 46.42 | 58.48 | 66.53 | 77.45 | 74.19 | 60.92 | 52.18 | 31.70 | 29.65 | a | 50.10 | ||||||||||||
2004 | 19.53 | 24.21 | 44.81 | 47.98 | 57.23 | 66.84 | a | 74.03 | a | 72.10 | 62.55 | 50.98 | 35.30 | 30.52 | 48.84 | |||||||||||
2005 | 34.26 | 36.52 | a | 41.20 | a | 47.28 | 59.08 | 64.97 | 78.30 | a | 73.69 | 62.58 | 49.89 | 38.15 | 29.77 | 51.31 | ||||||||||
2006 | 28.76 | 31.46 | 39.37 | a | 50.82 | 60.94 | 71.50 | c | 79.39 | 73.24 | 59.52 | 48.18 | 36.52 | 21.00 | a | 50.06 | ||||||||||
2007 | 10.55 | 32.50 | 43.73 | 49.60 | 60.48 | a | 70.35 | 79.60 | 76.34 | 62.93 | 48.82 | 38.42 | 24.92 | 49.85 | ||||||||||||
2008 | 25.34 | 31.21 | a | 38.58 | 44.70 | b | 55.33 | a | 67.55 | 77.44 | 74.29 | 62.48 | 49.55 | 39.03 | a | 25.55 | 49.25 | |||||||||
2009 | 26.20 | a | 35.23 | 40.37 | 46.80 | 60.55 | 64.90 | 76.56 | 71.45 | 65.30 | 46.60 | a | 38.67 | 21.21 | 49.49 | |||||||||||
2010 | 30.21 | 35.75 | 41.21 | 46.93 | 52.94 | 68.73 | 76.97 | a | 74.16 | 65.03 | 52.52 | b | 34.69 | a | 33.16 | b | 51.02 | |||||||||
2011 | 23.73 | 32.43 | 42.03 | a | 45.86 | a | 52.71 | 65.05 | a | 75.40 | 77.05 | 64.87 | 49.97 | 35.75 | 23.81 | 49.05 | ||||||||||
2012 | 29.77 | 33.07 | a | 43.72 | a | 50.97 | a | 59.29 | 68.53 | a | 76.29 | 76.47 | 64.17 | 50.18 | 37.03 | a | 28.67 | b | 51.51 | |||||||
2013 | 10.13 | d | 25.48 | 42.44 | 45.23 | 56.72 | a | 70.43 | o | 77.68 | 76.10 | 64.71 | b | 47.50 | 37.29 | a | 15.15 | 45.31 | a | |||||||
2014 | 23.08 | 37.78 | a | 41.84 | b | 48.21 | f | 54.80 | k | 68.21 | f | 77.47 | b | 70.32 | 64.33 | c | 57.68 | a | 36.09 | n | 32.82 | 50.67 | d | |||
2015 | 31.72 | a | 44.12 | l | ----- | z | 49.93 | 56.50 | t | ----- | z | 73.67 | s | 72.52 | 67.37 | ----- | z | ----- | z | ----- | z | 55.38 | h | |||
2016 | ----- | z | 23.17 | e | ----- | z | 50.70 | 63.73 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.93 | j | |
2017 | ----- | z | ----- | z | 50.48 | j | 47.65 | q | 57.52 | 69.78 | 78.21 | 74.18 | a | 62.18 | 48.61 | 44.60 | 28.67 | a | 57.97 | d | ||||||
2018 | 31.50 | a | 31.22 | a | 41.20 | k | 51.74 | a | 59.10 | 69.83 | 78.32 | a | 74.10 | 66.08 | 49.39 | 34.62 | a | 28.61 | 52.23 | a | ||||||
2019 | 27.85 | 30.86 | 42.66 | 51.10 | 52.26 | ----- | z | ----- | z | ----- | z | ----- | z | 34.12 | w | 38.93 | 31.90 | 39.37 | e | |||||||
2020 | 33.69 | 32.62 | 43.73 | 51.40 | 61.63 | 68.72 | a | 77.56 | 77.82 | 66.50 | 54.16 | ----- | z | 27.10 | 54.09 | a | ||||||||||
2021 | 26.47 | a | 36.64 | 41.76 | 52.58 | 60.63 | 75.50 | 80.05 | 73.85 | 67.75 | 51.10 | 44.15 | 30.66 | 53.43 | ||||||||||||
2022 | 31.31 | 31.70 | 44.40 | 50.25 | 58.81 | 70.95 | 80.37 | a | 77.24 | f | 68.43 | 51.95 | 32.52 | 29.69 | 50.03 | a | ||||||||||
2023 | 28.31 | 26.88 | 36.55 | 46.81 | a | 59.89 | 65.53 | 78.34 | 74.21 | 66.50 | 53.03 | 41.10 | 34.02 | 50.93 | ||||||||||||
2024 | 32.12 | a | 38.93 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.52 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.43 | 32.56 | 41.50 | 48.43 | 57.77 | 67.51 | 75.79 | 73.42 | 63.34 | 50.48 | 37.42 | 27.05 | 50.03 | |||||||||||||
S.D. | 6.36 | 4.75 | 3.04 | 2.99 | 2.92 | 2.91 | 2.31 | 2.13 | 2.70 | 2.69 | 3.49 | 4.48 | 1.33 | |||||||||||||
SKEW | -0.86 | -0.68 | -0.33 | 0.12 | -0.40 | 0.09 | -0.39 | -0.16 | -0.29 | 0.25 | -0.18 | -0.61 | -0.08 | |||||||||||||
MAX | 34.97 | 40.07 | 46.95 | 55.42 | 61.97 | 75.50 | 80.37 | 77.82 | 68.90 | 57.68 | 44.60 | 34.79 | 53.43 | |||||||||||||
MIN | 10.13 | 19.04 | 34.48 | 42.10 | 52.18 | 61.52 | 69.63 | 68.63 | 56.93 | 44.92 | 29.68 | 15.15 | 46.64 | |||||||||||||
YRS | 56 | 56 | 53 | 55 | 51 | 52 | 53 | 54 | 55 | 54 | 53 | 55 | 45 |