YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.17 | 21.58 | 30.37 | j | ||
1963 | 7.00 | 16.14 | 39.33 | a | 53.87 | 61.71 | 75.80 | 78.68 | 75.61 | 68.73 | 66.29 | 41.60 | 15.35 | 50.01 | ||||||||||||
1964 | 24.32 | 27.41 | 31.26 | 52.00 | 68.52 | 72.23 | 82.00 | 70.45 | 62.87 | 53.74 | 36.87 | 16.10 | 49.81 | |||||||||||||
1965 | 13.77 | 16.43 | 26.77 | 47.50 | 64.29 | 71.17 | 75.26 | 74.32 | 55.43 | 53.84 | 34.13 | 26.48 | 46.62 | |||||||||||||
1966 | 6.26 | 20.75 | 37.16 | 43.03 | 58.87 | 74.33 | 81.29 | 72.45 | 66.27 | 52.90 | 30.90 | 20.03 | 47.02 | |||||||||||||
1967 | 18.55 | 15.07 | 34.45 | 47.63 | 58.94 | 71.20 | 76.84 | 74.06 | 68.47 | 49.87 | 32.50 | 22.77 | 47.53 | |||||||||||||
1968 | 17.68 | 20.69 | 42.48 | 51.40 | 59.48 | 70.87 | 75.23 | 73.39 | 65.97 | 54.03 | 34.47 | 17.13 | 48.57 | |||||||||||||
1969 | 13.77 | 24.07 | 33.26 | 52.97 | 63.81 | 64.93 | 77.45 | 81.29 | 65.33 | 46.74 | 35.27 | 23.39 | 48.52 | |||||||||||||
1970 | 11.03 | 20.75 | 31.97 | 47.80 | 57.58 | 75.50 | 82.03 | 78.90 | 65.80 | 52.61 | 32.83 | 19.35 | 48.01 | |||||||||||||
1971 | 7.81 | 22.18 | 31.90 | 50.73 | 62.06 | 76.80 | 74.03 | 74.94 | 66.67 | 54.94 | 33.40 | 20.48 | 47.99 | |||||||||||||
1972 | 9.39 | 16.48 | 29.77 | 45.10 | 69.55 | 74.37 | 73.45 | 74.77 | 61.77 | 48.19 | 31.27 | 13.84 | 45.66 | |||||||||||||
1973 | 21.77 | 24.25 | 43.00 | 50.13 | 61.45 | 72.20 | 76.74 | 76.97 | 63.97 | 57.10 | 34.03 | 18.71 | 50.03 | |||||||||||||
1974 | 14.29 | 23.32 | 30.42 | 50.13 | 57.55 | 72.70 | 80.26 | 71.45 | 59.57 | 53.68 | 35.83 | 27.55 | 48.06 | |||||||||||||
1975 | 18.45 | 22.21 | 29.29 | 43.00 | 68.74 | 71.33 | 81.65 | 74.45 | 61.03 | 56.58 | 39.90 | 19.71 | 48.86 | |||||||||||||
1976 | 14.61 | 30.76 | 33.13 | 57.33 | 66.39 | 77.43 | 79.55 | 78.10 | 68.80 | 47.29 | 29.10 | 12.81 | 49.61 | |||||||||||||
1977 | 7.65 | 25.54 | 42.00 | 58.33 | 74.74 | 73.67 | 78.74 | 69.35 | 62.43 | 53.74 | 31.17 | g | 16.16 | 51.12 | a | |||||||||||
1978 | 12.16 | 20.43 | 35.71 | 49.20 | 68.77 | 71.87 | 75.00 | 75.06 | 67.13 | 53.68 | 32.07 | 16.42 | 48.13 | |||||||||||||
1979 | 6.39 | 14.68 | 31.23 | 44.83 | 56.71 | 71.90 | 77.77 | 71.61 | 65.80 | 48.71 | 32.47 | 28.55 | 45.89 | |||||||||||||
1980 | 16.42 | 19.66 | 32.26 | 56.00 | 70.90 | 71.93 | 79.61 | 73.52 | 62.57 | 47.32 | 36.03 | 17.77 | 48.67 | |||||||||||||
1981 | 20.61 | 24.89 | 39.55 | 50.07 | 64.16 | 70.10 | 77.39 | 76.23 | 66.90 | 48.10 | 41.67 | 20.32 | 50.00 | |||||||||||||
1982 | 7.10 | a | 19.67 | a | 29.97 | 46.43 | 66.06 | 66.60 | 75.77 | 71.87 | 63.17 | 52.48 | 31.77 | 26.10 | 46.42 | |||||||||||
1983 | 19.81 | 25.68 | 34.68 | 46.83 | 60.06 | 71.53 | 80.74 | 79.87 | 64.17 | 51.00 | 33.23 | 7.39 | 47.92 | |||||||||||||
1984 | 13.73 | a | 30.52 | 29.90 | 55.03 | 61.23 | 71.83 | 77.06 | 78.77 | 60.13 | 52.87 | 35.60 | 18.58 | 48.77 | ||||||||||||
1985 | 16.00 | a | 19.82 | 39.00 | 54.53 | 67.77 | 67.97 | 78.06 | 71.00 | 61.50 | 53.19 | 25.83 | 10.00 | 47.06 | ||||||||||||
1986 | 19.81 | 19.43 | 38.90 | 54.03 | 67.35 | 72.47 | 77.58 | 71.48 | 62.10 | 52.61 | 30.50 | 25.45 | 49.31 | |||||||||||||
1987 | 22.13 | 32.64 | 40.52 | 63.50 | 67.29 | 78.77 | 79.42 | 74.10 | 66.27 | 47.16 | 40.30 | 26.13 | 53.18 | |||||||||||||
1988 | 13.35 | 17.50 | a | 32.90 | a | 53.80 | 73.39 | 80.27 | 83.52 | 74.61 | 64.90 | 47.74 | 33.80 | 23.61 | 49.95 | |||||||||||
1989 | 25.06 | 14.14 | 27.97 | 46.23 | 65.32 | 70.67 | 74.83 | b | 74.48 | 65.60 | 54.74 | 29.67 | 11.00 | 46.64 | ||||||||||||
1990 | 26.23 | 24.50 | 36.45 | 50.10 | 61.35 | 72.43 | 75.71 | 76.68 | 65.37 | 51.16 | 38.23 | 19.00 | 49.77 | |||||||||||||
1991 | 13.13 | 28.00 | 35.68 | 54.57 | 67.26 | 74.83 | 74.74 | 79.23 | 61.13 | 47.16 | 26.97 | 22.23 | 48.74 | |||||||||||||
1992 | 21.94 | 26.86 | 35.40 | a | 44.57 | 67.23 | 68.67 | 70.10 | 70.61 | 64.70 | 51.03 | 29.73 | 19.58 | 47.53 | ||||||||||||
1993 | 17.71 | 22.36 | 36.48 | 48.07 | a | 60.81 | 67.77 | 72.39 | 74.42 | 58.83 | 49.58 | 29.47 | 21.45 | 46.61 | ||||||||||||
1994 | 5.00 | 15.79 | 37.06 | 49.90 | 67.06 | 74.83 | 75.61 | 73.52 | 68.67 | 56.90 | 41.23 | 29.06 | 49.55 | |||||||||||||
1995 | 20.52 | 21.46 | 37.94 | 44.90 | 65.03 | 80.13 | 77.65 | 78.90 | 66.13 | 50.30 | a | 24.90 | a | 17.74 | 48.80 | |||||||||||
1996 | 10.71 | 20.52 | 27.42 | 43.47 | 61.39 | 73.97 | 74.00 | 78.58 | 65.93 | a | 52.23 | 27.50 | 15.87 | 45.96 | ||||||||||||
1997 | 14.13 | 24.82 | 32.74 | 49.59 | a | 58.48 | 76.67 | 76.29 | 73.26 | 68.20 | 53.68 | 31.30 | 29.58 | 49.06 | ||||||||||||
1998 | 21.94 | 36.39 | 35.55 | 57.67 | 71.97 | 69.93 | 77.55 | 78.26 | 70.93 | 54.94 | 35.37 | 24.42 | 52.91 | |||||||||||||
1999 | 16.48 | 30.57 | 39.52 | 55.30 | 66.10 | 73.60 | 80.23 | 74.39 | 64.00 | 51.45 | 43.80 | 27.06 | 51.87 | |||||||||||||
2000 | 19.23 | 31.52 | 44.13 | 51.47 | 67.13 | 69.70 | 77.84 | 75.23 | 65.03 | 56.23 | 33.40 | 9.71 | 50.05 | |||||||||||||
2001 | 25.65 | 16.46 | 34.42 | 50.60 | 65.32 | 74.27 | 78.35 | 78.94 | 66.00 | 51.74 | 45.73 | 27.84 | 51.28 | |||||||||||||
2002 | 24.32 | 30.29 | 27.06 | 47.70 | 59.90 | 75.73 | 80.77 | 73.94 | 68.27 | 41.61 | 31.90 | 26.42 | 48.99 | |||||||||||||
2003 | 16.48 | 18.36 | 34.19 | 51.43 | 65.77 | 74.17 | 79.06 | 81.19 | 67.20 | 55.16 | 32.30 | 27.10 | 50.20 | |||||||||||||
2004 | 11.61 | 26.93 | 36.68 | 51.20 | 58.48 | 70.07 | 75.58 | 69.65 | 70.83 | 53.29 | 41.03 | 22.03 | 48.95 | |||||||||||||
2005 | 15.10 | 27.04 | 34.83 | a | 56.77 | 60.16 | 73.67 | 79.48 | 75.23 | 70.13 | 54.26 | 37.30 | 22.26 | 50.52 | ||||||||||||
2006 | 29.52 | 20.14 | 36.58 | 59.13 | 65.77 | 74.80 | 84.06 | 77.52 | 65.87 | 48.65 | 38.27 | 30.10 | 52.53 | |||||||||||||
2007 | 20.48 | 15.00 | 42.95 | k | 51.67 | 68.16 | 76.60 | 79.68 | 75.74 | 67.50 | 56.06 | 34.23 | 19.32 | 51.31 | a | |||||||||||
2008 | 17.90 | 19.52 | 31.42 | 47.53 | 60.13 | 70.23 | 76.19 | 77.26 | 66.70 | 53.84 | 35.77 | 15.58 | 47.67 | |||||||||||||
2009 | 13.61 | 24.57 | 35.55 | 52.10 | 63.77 | 71.53 | 72.10 | 73.10 | 73.40 | 44.97 | 44.87 | 18.32 | 48.99 | |||||||||||||
2010 | 19.13 | 27.25 | 49.74 | 62.00 | 67.68 | 71.27 | 79.42 | 78.68 | 61.90 | 58.71 | 39.17 | 19.32 | 52.86 | |||||||||||||
2011 | 13.13 | 24.68 | 34.81 | 49.03 | 63.55 | 70.23 | 80.71 | 77.68 | 67.10 | 58.10 | 39.47 | 28.65 | 50.59 | |||||||||||||
2012 | 24.52 | 29.79 | 50.23 | 53.27 | 66.74 | 76.23 | 83.06 | 77.42 | 67.90 | 50.16 | 36.83 | 22.97 | 53.26 | |||||||||||||
2013 | 20.77 | 23.29 | 32.26 | 42.63 | 64.26 | 72.83 | 78.13 | 79.19 | 70.67 | 52.65 | 34.47 | 9.83 | b | 48.41 | ||||||||||||
2014 | 10.48 | 14.11 | 29.48 | 46.00 | 64.68 | 74.60 | 77.23 | 76.35 | 67.77 | 53.61 | 28.50 | 26.32 | 47.43 | |||||||||||||
2015 | 20.06 | 14.18 | 40.87 | 54.80 | 64.52 | 74.83 | 80.00 | 75.77 | 72.43 | 55.65 | 42.97 | a | 28.35 | 52.04 | ||||||||||||
2016 | 18.19 | 24.38 | 40.19 | 47.93 | 65.52 | 71.17 | 76.45 | 75.35 | 66.23 | 54.29 | 45.67 | 19.65 | 50.42 | |||||||||||||
2017 | 20.81 | 28.36 | 34.48 | 51.67 | 60.81 | 72.33 | 77.16 | 70.81 | 67.47 | 53.67 | a | 30.87 | 15.29 | 48.64 | ||||||||||||
2018 | 17.84 | 17.96 | 34.32 | 42.57 | 71.65 | 73.70 | 78.29 | 75.45 | 64.13 | 43.90 | 26.70 | 25.48 | 47.67 | |||||||||||||
2019 | 11.97 | 16.14 | 32.00 | 47.67 | 59.13 | 72.60 | 79.45 | 73.52 | 64.70 | 47.97 | 28.80 | 23.13 | 46.42 | |||||||||||||
2020 | 20.42 | 25.19 | b | 38.03 | 47.83 | 62.84 | 75.30 | 80.52 | 75.68 | 63.30 | 43.06 | 40.27 | 25.65 | 49.84 | ||||||||||||
2021 | 23.61 | 14.57 | 43.42 | 50.57 | 65.77 | 79.07 | 81.06 | 78.26 | 71.20 | 57.10 | 36.20 | 24.77 | 52.13 | |||||||||||||
2022 | 12.32 | 14.46 | 32.19 | 40.57 | 62.60 | a | 73.93 | 76.55 | 74.61 | 67.00 | 54.61 | 35.07 | 18.65 | 46.88 | ||||||||||||
2023 | 21.32 | 25.07 | 31.94 | 44.70 | 69.39 | 76.63 | 76.03 | 76.29 | 70.23 | 52.19 | 37.83 | 33.68 | 51.28 | |||||||||||||
2024 | 21.19 | 33.31 | 37.89 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.80 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 16.72 | 22.56 | 35.41 | 50.33 | 64.48 | 73.09 | 77.89 | 75.31 | 65.74 | 52.15 | 34.92 | 21.12 | 49.09 | |||||||||||||
S.D. | 5.68 | 5.61 | 5.02 | 4.91 | 4.18 | 3.10 | 2.85 | 2.87 | 3.44 | 4.17 | 5.06 | 5.75 | 1.95 | |||||||||||||
SKEW | -0.15 | 0.27 | 0.73 | 0.38 | 0.18 | 0.04 | -0.19 | -0.04 | -0.32 | 0.05 | 0.23 | -0.27 | 0.39 | |||||||||||||
MAX | 29.52 | 36.39 | 50.23 | 63.50 | 74.74 | 80.27 | 84.06 | 81.29 | 73.40 | 66.29 | 45.73 | 33.68 | 53.26 | |||||||||||||
MIN | 5.00 | 14.11 | 26.77 | 40.57 | 56.71 | 64.93 | 70.10 | 69.35 | 55.43 | 41.61 | 24.90 | 7.39 | 45.66 | |||||||||||||
YRS | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 62 | 59 |