YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | 26.74 | 35.32 | 43.58 | 52.80 | 68.97 | 83.40 | 82.48 | 84.16 | 73.70 | 65.42 | 42.87 | 24.19 | 56.97 | |||||||||||||
1962 | 22.87 | 23.11 | a | 32.06 | 56.00 | 73.10 | 77.77 | 80.84 | 83.39 | 72.80 | 65.16 | 49.67 | 32.61 | 55.78 | ||||||||||||
1963 | 17.74 | 29.57 | 48.00 | 63.73 | 70.90 | 84.10 | 84.13 | 82.19 | 76.50 | 72.52 | 49.53 | 23.32 | 58.52 | |||||||||||||
1964 | 34.45 | 39.83 | 37.23 | 60.50 | 76.29 | 84.00 | 88.65 | 80.45 | 73.70 | 64.10 | 45.83 | 24.16 | 59.10 | |||||||||||||
1965 | 21.87 | a | 26.14 | 27.19 | 55.00 | 72.81 | 82.10 | 84.03 | 81.48 | 62.93 | 66.13 | a | 44.28 | a | 36.58 | 55.05 | ||||||||||
1966 | 14.16 | 26.46 | 48.87 | 51.90 | 70.68 | 82.53 | 90.58 | 80.65 | 73.30 | 64.06 | 40.80 | 28.13 | 56.01 | |||||||||||||
1967 | 27.13 | 25.54 | 45.90 | 59.43 | 68.55 | 78.47 | 83.58 | 83.06 | 76.03 | 62.00 | 45.33 | 32.52 | 57.30 | |||||||||||||
1968 | 27.10 | 27.07 | 57.03 | 63.90 | 68.35 | 84.60 | 83.84 | 82.81 | 73.43 | 63.55 | 42.20 | 24.23 | 58.18 | |||||||||||||
1969 | 15.42 | 26.39 | 30.13 | 58.50 | 73.97 | 75.00 | 84.03 | 85.19 | 76.13 | 56.19 | 43.47 | 28.42 | 54.40 | |||||||||||||
1970 | 13.52 | 26.32 | 31.68 | 54.23 | 70.68 | 81.70 | 84.23 | 80.71 | 72.03 | 57.97 | 37.70 | 25.03 | 52.98 | |||||||||||||
1971 | 16.81 | 26.11 | 35.52 | 59.23 | 68.52 | 80.50 | 78.19 | 82.10 | 72.17 | 62.74 | 41.63 | 25.19 | 54.06 | |||||||||||||
1972 | 18.03 | 20.93 | 36.45 | 49.60 | 70.71 | 78.30 | 79.00 | 80.13 | 70.53 | 55.52 | 37.37 | 20.94 | 51.46 | |||||||||||||
1973 | 26.13 | 30.61 | 45.94 | 55.37 | 67.45 | 82.33 | 82.13 | 84.84 | 71.00 | 66.06 | 43.37 | 22.83 | a | 56.50 | ||||||||||||
1974 | 21.42 | 27.39 | 39.00 | 56.67 | 65.16 | 79.00 | 88.10 | 79.58 | 72.00 | 63.03 | 42.57 | 31.39 | 55.44 | |||||||||||||
1975 | 25.10 | a | 21.71 | 31.45 | 43.67 | 73.90 | 77.80 | 87.71 | 82.32 | 69.80 | 64.61 | 45.28 | a | 25.97 | 54.11 | |||||||||||
1976 | 22.06 | 35.45 | 40.10 | 62.93 | 71.19 | 85.03 | 89.10 | 85.35 | 75.60 | 55.48 | 38.47 | 25.39 | 57.18 | |||||||||||||
1977 | 10.97 | 32.86 | 43.81 | 64.40 | 79.81 | 81.47 | 84.74 | 76.37 | a | 73.13 | 58.48 | 39.97 | 22.06 | 55.67 | ||||||||||||
1978 | 11.84 | 18.18 | 38.61 | 52.77 | 71.65 | 78.53 | 81.16 | 82.16 | 79.77 | 60.74 | 40.73 | 23.19 | 53.28 | |||||||||||||
1979 | 8.16 | 14.54 | 32.97 | 47.93 | 65.42 | 78.23 | 82.29 | 76.52 | 74.77 | 58.87 | 40.07 | 34.32 | 51.17 | |||||||||||||
1980 | 25.48 | 23.45 | 34.35 | 60.03 | 74.13 | 79.67 | 85.84 | 80.29 | 72.97 | 56.42 | 48.77 | 29.26 | 55.89 | |||||||||||||
1981 | 30.55 | 34.46 | 50.61 | 63.23 | 70.87 | 81.03 | 82.97 | 78.42 | 74.00 | 56.45 | 48.00 | 23.52 | 57.84 | |||||||||||||
1982 | 11.97 | a | 23.36 | 37.65 | 52.80 | 71.00 | 74.37 | 83.16 | 80.19 | 70.47 | 60.19 | 36.33 | 32.55 | 52.84 | ||||||||||||
1983 | 26.13 | 30.71 | 37.58 | 49.37 | 66.10 | 78.83 | 88.06 | 87.16 | 74.47 | 58.74 | 39.80 | 9.00 | 53.83 | |||||||||||||
1984 | 22.29 | 32.48 | 29.97 | a | 55.23 | 66.65 | 79.53 | 84.16 | 84.06 | 69.00 | 61.26 | 45.33 | 28.87 | 54.90 | ||||||||||||
1985 | 20.84 | 25.43 | 44.84 | 63.27 | 75.90 | 77.87 | 82.65 | 75.74 | 68.30 | 58.26 | 29.73 | 18.45 | 53.44 | |||||||||||||
1986 | 27.32 | 21.39 | 42.55 | 58.70 | 71.06 | 84.00 | 83.52 | 77.90 | 70.90 | 60.74 | 37.83 | 35.19 | 55.93 | |||||||||||||
1987 | 32.97 | 44.18 | 45.35 | 68.00 | 79.63 | a | 85.87 | 85.32 | 79.71 | 75.70 | 57.71 | 48.43 | 30.52 | 61.12 | ||||||||||||
1988 | 19.24 | b | 21.66 | 44.16 | 58.33 | 82.26 | 89.77 | 87.77 | 85.65 | 76.17 | a | 58.10 | 41.77 | 30.94 | 57.98 | |||||||||||
1989 | 35.97 | 19.71 | 33.87 | 57.40 | 73.32 | 81.72 | a | 87.97 | 83.26 | 74.13 | 66.68 | 40.83 | 21.68 | 56.38 | ||||||||||||
1990 | 37.16 | 35.21 | 44.13 | 60.03 | 67.19 | 81.70 | 81.52 | 80.10 | 77.40 | 59.52 | 46.83 | 26.30 | a | 58.09 | ||||||||||||
1991 | 21.45 | 37.61 | 42.77 | 60.27 | 70.77 | a | 82.53 | 82.20 | a | 81.65 | 70.97 | 59.10 | 31.77 | 32.48 | 56.13 | |||||||||||
1992 | 32.61 | 34.28 | 44.61 | 50.27 | 74.29 | 77.27 | 74.61 | 75.81 | 72.17 | 59.48 | 35.33 | 25.84 | 54.71 | |||||||||||||
1993 | 22.61 | 22.39 | 36.16 | 52.17 | 66.55 | 73.77 | 79.00 | 81.00 | a | 66.43 | 58.52 | 38.50 | 26.90 | 52.00 | ||||||||||||
1994 | 12.74 | 19.68 | 44.19 | 57.30 | 74.65 | 80.48 | a | 79.90 | 78.06 | 75.00 | a | 62.94 | 47.17 | 32.58 | 55.39 | |||||||||||
1995 | 26.26 | 33.39 | 41.74 | 49.13 | 66.39 | 81.63 | 84.52 | 84.42 | 72.20 | 57.68 | 34.43 | 27.90 | 54.97 | |||||||||||||
1996 | 16.19 | 27.57 | a | 35.39 | 53.03 | 63.71 | 80.83 | 82.13 | 80.90 | 71.00 | 62.84 | 30.60 | 19.14 | b | 51.94 | |||||||||||
1997 | 16.26 | 27.39 | 36.35 | 52.63 | 64.45 | 83.63 | 81.48 | 79.13 | 75.80 | 62.90 | 33.60 | 32.35 | 53.83 | |||||||||||||
1998 | 23.74 | 37.04 | 34.10 | 59.53 | 77.16 | 75.83 | 82.45 | 82.00 | 81.40 | 62.71 | 49.81 | n | 35.29 | 59.20 | a | |||||||||||
1999 | 19.45 | 36.39 | 43.23 | 57.17 | 70.26 | 78.17 | 85.61 | 80.39 | 73.93 | 61.48 | 55.43 | 36.65 | 58.18 | |||||||||||||
2000 | 26.39 | 37.24 | 51.58 | 57.00 | 72.00 | 77.73 | 81.57 | a | 81.68 | 74.07 | 63.03 | 35.90 | 14.65 | 56.07 | ||||||||||||
2001 | 27.35 | 19.07 | 33.06 | 55.77 | 70.03 | 79.87 | 85.03 | 82.55 | 71.50 | 60.52 | 57.27 | 33.10 | 56.26 | |||||||||||||
2002 | 32.77 | 38.43 | 29.48 | 54.77 | 65.13 | 82.20 | 87.32 | 79.45 | 75.07 | 50.68 | 41.83 | 35.97 | 56.09 | |||||||||||||
2003 | 25.03 | a | 25.39 | 40.35 | 59.23 | 67.68 | 77.70 | 82.90 | 84.13 | 73.27 | 64.57 | a | 38.73 | 31.16 | 55.85 | |||||||||||
2004 | 21.94 | 26.24 | 45.58 | 63.59 | a | 67.65 | 74.23 | 80.61 | 75.71 | 76.80 | 61.26 | 47.80 | 32.61 | 56.17 | ||||||||||||
2005 | 21.94 | 36.39 | 40.71 | 62.30 | 65.65 | 82.70 | 84.55 | 80.71 | 78.37 | 63.13 | 46.20 | 23.87 | 57.21 | |||||||||||||
2006 | 34.03 | a | 28.04 | 38.58 | 61.57 | 70.03 | 79.97 | 86.68 | 80.74 | 68.93 | 58.29 | 47.67 | 36.10 | a | 57.55 | |||||||||||
2007 | 26.29 | 20.57 | 45.03 | a | 54.23 | 74.68 | 81.70 | 85.45 | 79.58 | 76.30 | 64.23 | 43.73 | 23.29 | 56.26 | ||||||||||||
2008 | 20.87 | 22.93 | 36.74 | 52.10 | 67.48 | 77.80 | 84.19 | 81.55 | 74.40 | 60.74 | 43.07 | a | 22.29 | 53.68 | ||||||||||||
2009 | 19.26 | 29.36 | 38.77 | 55.93 | 70.87 | 76.23 | 78.13 | 78.26 | 76.47 | 48.74 | 51.33 | 21.87 | 53.77 | |||||||||||||
2010 | 16.35 | 21.54 | 43.23 | 66.33 | 70.19 | 77.97 | 83.81 | 84.48 | 70.57 | 65.16 | 43.23 | 20.26 | 55.26 | |||||||||||||
2011 | 16.90 | 24.14 | 33.55 | 52.47 | 66.61 | 77.33 | 87.45 | 81.81 | 73.43 | 65.65 | 47.73 | 34.94 | 55.17 | |||||||||||||
2012 | 33.32 | 36.17 | 57.55 | 61.87 | 74.13 | 82.77 | 89.68 | 81.84 | 77.03 | 56.71 | 46.27 | 29.10 | 60.54 | |||||||||||||
2013 | 26.00 | 25.25 | 32.32 | 44.93 | 65.32 | 77.30 | 83.55 | 81.71 | 78.37 | 58.29 | 40.90 | 20.26 | 52.85 | |||||||||||||
2014 | 20.97 | 19.61 | 34.52 | 53.70 | 68.06 | 78.17 | 79.52 | 80.77 | 73.00 | 61.74 | 33.67 | 29.87 | 52.80 | |||||||||||||
2015 | 27.29 | 20.96 | 46.68 | 61.70 | 68.52 | 79.10 | 82.84 | 78.48 | 78.80 | 62.87 | 49.13 | 33.35 | 57.48 | |||||||||||||
2016 | 23.77 | 31.34 | 47.71 | 58.63 | 70.90 | 81.40 | 81.84 | 80.58 | 74.33 | 61.97 | 51.63 | 25.87 | 57.50 | |||||||||||||
2017 | 24.81 | 41.18 | 40.84 | 57.60 | 67.10 | 80.63 | 83.74 | 75.74 | 75.50 | 60.48 | 42.27 | 29.06 | 56.58 | |||||||||||||
2018 | 22.58 | 21.75 | 34.77 | 41.03 | 76.39 | 79.77 | 81.84 | 79.81 | 73.50 | 53.29 | 33.93 | 29.00 | 52.31 | |||||||||||||
2019 | 19.74 | 13.57 | 32.84 | 53.77 | 62.61 | 80.00 | 82.10 | 77.97 | 74.47 | 53.65 | 37.07 | 27.90 | 51.31 | |||||||||||||
2020 | 24.45 | 27.48 | 43.32 | 55.10 | 65.39 | 84.33 | 83.61 | 82.10 | 72.00 | 52.00 | 48.43 | 35.58 | 56.15 | |||||||||||||
2021 | 29.71 | 16.29 | 48.00 | 55.23 | 68.61 | 86.47 | 83.87 | 83.13 | 77.50 | 64.45 | 45.63 | 32.13 | 57.59 | |||||||||||||
2022 | 21.87 | a | 24.61 | 38.97 | 47.43 | 68.77 | 82.00 | 84.29 | 80.19 | 76.90 | 62.55 | 43.67 | 22.06 | 54.44 | ||||||||||||
2023 | 23.39 | 26.14 | 30.52 | 51.73 | 73.97 | 83.50 | 81.35 | 82.71 | 79.00 | 60.58 | 48.97 | 41.26 | 56.93 | |||||||||||||
2024 | 22.45 | 41.69 | 47.32 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.15 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.00 | 27.76 | 40.02 | 56.26 | 70.35 | 80.38 | 83.64 | 81.03 | 73.83 | 60.62 | 42.70 | 27.80 | 55.55 | |||||||||||||
S.D. | 6.41 | 7.07 | 6.71 | 5.52 | 4.14 | 3.16 | 3.03 | 2.60 | 3.25 | 4.18 | 5.87 | 6.01 | 2.19 | |||||||||||||
SKEW | 0.03 | 0.30 | 0.34 | -0.34 | 0.59 | 0.23 | -0.07 | -0.16 | -0.48 | -0.36 | -0.06 | -0.39 | 0.02 | |||||||||||||
MAX | 37.16 | 44.18 | 57.55 | 68.00 | 82.26 | 89.77 | 90.58 | 87.16 | 81.40 | 72.52 | 57.27 | 41.26 | 61.12 | |||||||||||||
MIN | 8.16 | 13.57 | 27.19 | 41.03 | 62.61 | 73.77 | 74.61 | 75.71 | 62.93 | 48.74 | 29.73 | 9.00 | 51.17 | |||||||||||||
YRS | 64 | 64 | 64 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 62 | 63 | 62 |