YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.32 | 41.13 | 24.03 | 43.16 | i | |||
1962 | 23.19 | 25.04 | 30.23 | 57.57 | 71.81 | 75.17 | 80.03 | 82.26 | 71.60 | 63.87 | 48.79 | b | 33.13 | 55.22 | ||||||||||||
1963 | 17.13 | 31.36 | 49.23 | 61.17 | 69.55 | 81.80 | 84.10 | 82.32 | 75.80 | 71.00 | 49.17 | 21.40 | a | 57.83 | ||||||||||||
1964 | 32.74 | 37.03 | 35.81 | 59.97 | 74.13 | 80.50 | 87.94 | 79.68 | 73.37 | 65.08 | g | 43.53 | 24.03 | 57.16 | a | |||||||||||
1965 | 20.87 | 26.54 | 29.06 | 57.53 | 72.45 | 78.27 | 83.87 | 83.90 | 62.03 | 65.81 | 45.27 | 36.06 | 55.14 | |||||||||||||
1966 | 17.74 | 26.46 | 50.90 | a | 52.10 | 70.19 | 81.23 | 91.45 | 80.39 | 72.03 | 64.39 | 42.03 | 29.13 | 56.50 | ||||||||||||
1967 | 27.81 | 28.15 | b | 47.90 | 58.83 | 67.84 | 76.13 | 83.42 | 84.81 | 74.00 | 61.00 | 44.37 | 31.90 | 57.18 | ||||||||||||
1968 | 25.74 | 28.10 | 56.65 | 60.67 | 66.06 | 82.00 | 82.39 | 84.52 | 73.20 | 61.32 | 42.33 | 23.52 | 57.21 | |||||||||||||
1969 | 15.71 | 25.89 | 28.42 | 58.57 | 72.13 | 73.37 | 84.19 | 86.03 | 75.77 | 52.84 | 43.87 | 29.00 | 53.82 | |||||||||||||
1970 | 15.16 | 32.21 | 35.16 | 55.43 | 74.39 | 81.57 | 86.97 | 86.32 | 76.83 | 58.84 | 39.60 | 26.68 | 55.76 | |||||||||||||
1971 | 16.71 | 27.43 | 39.90 | a | 62.73 | 69.90 | 82.86 | a | 81.68 | 87.90 | 75.10 | 64.48 | 42.37 | 25.03 | 56.34 | |||||||||||
1972 | 18.10 | 22.24 | 40.68 | 55.33 | 68.87 | 79.40 | 81.06 | 81.48 | 72.93 | 57.39 | 37.00 | 22.74 | 53.10 | |||||||||||||
1973 | 25.10 | 30.68 | 46.26 | 58.03 | 70.81 | 81.70 | 85.29 | 88.13 | a | 70.30 | 66.19 | 41.17 | 24.77 | 57.37 | ||||||||||||
1974 | 22.42 | 32.82 | 44.65 | 62.03 | a | 67.35 | 80.10 | 89.77 | 79.55 | 74.77 | 67.03 | 45.07 | 33.06 | 58.22 | ||||||||||||
1975 | 26.00 | 22.64 | 33.87 | 46.90 | 73.48 | 77.47 | 88.52 | 82.81 | 70.50 | 65.87 | 44.40 | 27.45 | 54.99 | |||||||||||||
1976 | 23.83 | a | 39.10 | 44.32 | 64.87 | 72.81 | 85.47 | 90.48 | 90.13 | 78.57 | 56.52 | 39.60 | 29.94 | 59.64 | ||||||||||||
1977 | 13.83 | a | 37.04 | 43.58 | 66.53 | 78.61 | 82.66 | a | 88.58 | 78.81 | 72.67 | 59.58 | 38.47 | 22.97 | 56.94 | |||||||||||
1978 | 11.13 | 16.46 | 40.35 | 54.73 | 70.77 | a | 80.20 | 83.26 | 84.06 | 81.07 | 63.03 | 41.33 | 23.13 | 54.13 | ||||||||||||
1979 | 8.87 | 16.11 | a | 33.84 | 52.03 | 64.03 | 77.30 | c | 80.19 | 76.87 | 75.03 | 57.23 | a | 37.20 | 35.10 | a | 51.15 | |||||||||
1980 | 24.93 | a | 24.24 | 34.81 | 61.63 | 71.37 | a | 79.27 | 84.63 | a | 79.94 | 73.47 | 56.74 | 46.63 | 28.03 | 55.47 | ||||||||||
1981 | 31.48 | 34.21 | 50.19 | 64.07 | 67.35 | 79.60 | 82.26 | 80.26 | 75.47 | 55.42 | 47.40 | 23.55 | 57.61 | |||||||||||||
1982 | 10.42 | 24.93 | 35.61 | 51.72 | a | 67.13 | 72.27 | 82.71 | 80.45 | 69.33 | 56.00 | 35.47 | 31.58 | 51.47 | ||||||||||||
1983 | 25.68 | 30.32 | 35.90 | 47.10 | 64.10 | 74.07 | a | 84.94 | 87.58 | 72.43 | 57.52 | 36.93 | 6.45 | 51.92 | ||||||||||||
1984 | 21.97 | a | 31.97 | 29.10 | 51.70 | 64.42 | 75.60 | 81.55 | 82.94 | 67.63 | 56.19 | 43.47 | 26.03 | 52.71 | ||||||||||||
1985 | 18.55 | 22.96 | 43.83 | a | 61.40 | 72.39 | 73.13 | 81.87 | 75.13 | 65.83 | 56.58 | 26.80 | 17.29 | 51.31 | ||||||||||||
1986 | 26.42 | 20.54 | 41.29 | 55.00 | 66.90 | 78.63 | 82.58 | 76.39 | 67.40 | 58.39 | 35.60 | 35.19 | 53.69 | |||||||||||||
1987 | 31.77 | 41.68 | 42.26 | 65.23 | 74.42 | 82.77 | 84.32 | 77.77 | 72.90 | 54.42 | 46.00 | 31.10 | 58.72 | |||||||||||||
1988 | 18.74 | 22.14 | 43.29 | 56.90 | 75.45 | 86.27 | 86.16 | 84.53 | a | 74.34 | a | 58.13 | a | 43.31 | a | 31.68 | c | 56.75 | ||||||||
1989 | 34.10 | b | 18.32 | c | 36.53 | a | 58.19 | d | 69.40 | f | 78.41 | a | 86.23 | 82.45 | 73.18 | b | 64.87 | 38.76 | a | 20.48 | b | 53.78 | a | |||
1990 | 36.71 | 33.81 | b | 45.47 | a | 63.33 | i | 66.03 | a | 78.87 | 80.27 | a | 81.90 | a | 78.97 | a | 60.79 | b | 47.59 | c | 23.63 | d | 57.64 | a | ||
1991 | 22.19 | d | ----- | z | 46.16 | 60.48 | a | 68.48 | b | 81.43 | 83.13 | 83.25 | c | 70.74 | c | 58.10 | b | 32.10 | 34.00 | b | 58.19 | a | ||||
1992 | 33.26 | 34.48 | b | 48.32 | c | 49.67 | c | 73.20 | a | 75.72 | a | 73.06 | 75.19 | 70.36 | b | 58.56 | d | 34.17 | g | 24.64 | f | 59.18 | b | |||
1993 | 21.10 | b | 20.11 | a | 35.61 | c | 52.52 | a | 68.56 | d | 73.08 | d | 78.36 | f | 80.38 | e | 65.93 | 58.43 | a | 37.17 | a | 28.38 | e | 49.21 | a | |
1994 | 13.56 | d | 20.12 | c | 43.31 | e | 57.00 | e | 73.39 | 79.71 | b | 80.19 | d | 78.38 | b | 75.93 | c | 62.29 | 44.54 | f | 28.60 | f | 58.39 | b | ||
1995 | 21.70 | d | 29.85 | a | 40.24 | b | 48.55 | a | 62.54 | c | 80.00 | g | 82.93 | d | 83.12 | f | 69.84 | e | 55.42 | e | 35.14 | b | 29.31 | e | 47.55 | b |
1996 | ----- | z | ----- | z | 38.11 | v | 53.30 | 61.81 | 78.93 | 79.97 | 80.23 | 68.23 | 60.32 | 30.10 | 17.73 | a | 58.96 | c | ||||||||
1997 | 14.20 | a | 26.32 | 35.68 | 51.10 | 63.16 | 81.48 | a | 83.47 | a | 80.39 | 74.87 | 61.52 | 36.13 | 33.13 | 53.45 | ||||||||||
1998 | 24.90 | 38.29 | 34.03 | 57.23 | 74.60 | a | 74.63 | 82.74 | 81.32 | 79.67 | 60.29 | 42.90 | 35.71 | 57.19 | ||||||||||||
1999 | 20.90 | 37.93 | 43.29 | 55.21 | a | 69.35 | 75.77 | 84.77 | 82.23 | 72.00 | 60.55 | 55.97 | 36.65 | 57.88 | ||||||||||||
2000 | 28.68 | 39.31 | 52.06 | 56.37 | 70.42 | 75.90 | 83.42 | 83.32 | 73.63 | 61.55 | 33.07 | 15.55 | 56.11 | |||||||||||||
2001 | 26.29 | 20.25 | 33.45 | 56.83 | 69.48 | 78.30 | 85.26 | 84.94 | 72.00 | 59.23 | 55.53 | 31.00 | 56.05 | |||||||||||||
2002 | 29.55 | 39.57 | 30.33 | a | 56.67 | 65.45 | 83.63 | 89.26 | 79.90 | 73.93 | a | 50.03 | a | 42.20 | 34.81 | 56.28 | ||||||||||
2003 | 26.10 | 26.31 | b | 42.55 | 58.53 | 65.68 | 75.87 | 84.29 | 85.26 | 71.83 | 63.39 | 38.40 | 31.74 | 55.83 | ||||||||||||
2004 | 24.81 | 25.79 | 46.63 | a | 62.53 | 67.10 | 73.33 | 79.29 | 75.55 | 75.10 | a | 59.10 | 46.83 | 33.35 | 55.79 | |||||||||||
2005 | 21.39 | 36.71 | 42.10 | 61.13 | 66.26 | 79.10 | 84.42 | 80.81 | 78.43 | 61.39 | 46.13 | 23.58 | 56.79 | |||||||||||||
2006 | 35.13 | 31.07 | 40.74 | 60.37 | 69.74 | 79.50 | 88.48 | 81.13 | 65.57 | 56.65 | 45.17 | 35.29 | 57.40 | |||||||||||||
2007 | 25.70 | a | 20.00 | 45.90 | 52.43 | 72.84 | 79.47 | 85.71 | 80.03 | 74.10 | 61.94 | 44.20 | 24.00 | 55.53 | ||||||||||||
2008 | 20.32 | 22.29 | a | 35.72 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.30 | j | |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.90 | k | 70.80 | 64.48 | 43.87 | 22.60 | a | 50.44 | h | |||
2011 | 16.87 | 23.29 | 34.55 | 50.77 | 65.10 | 74.67 | 85.81 | 80.39 | 71.20 | 63.55 | 46.90 | 35.42 | 54.04 | |||||||||||||
2012 | 32.13 | 35.93 | 58.90 | 62.27 | 72.52 | 82.00 | 91.90 | 83.74 | 77.50 | 56.10 | 44.87 | 29.71 | 60.63 | |||||||||||||
2013 | 26.52 | 26.82 | 33.61 | 45.17 | 66.39 | 76.03 | 82.23 | 82.39 | 79.73 | 56.55 | 40.83 | 21.35 | 53.14 | |||||||||||||
2014 | 22.74 | 20.46 | 36.71 | 56.17 | 67.68 | 76.77 | 79.10 | 79.06 | 71.80 | 61.90 | 34.60 | 29.94 | 53.08 | |||||||||||||
2015 | 27.71 | 23.43 | 48.26 | 62.70 | 67.35 | 77.97 | 82.35 | 78.19 | 77.60 | 62.90 | 47.03 | 31.90 | 57.28 | |||||||||||||
2016 | 23.58 | 33.28 | 48.42 | 58.03 | 69.90 | 82.50 | 82.90 | 81.52 | 73.77 | 61.71 | 51.90 | 25.23 | 57.73 | |||||||||||||
2017 | 24.61 | 40.75 | 40.71 | 57.57 | 66.90 | 80.83 | 86.71 | 77.55 | 75.77 | 60.26 | 43.00 | 29.19 | 56.99 | |||||||||||||
2018 | 22.45 | 22.71 | 37.32 | 43.43 | 74.97 | 80.83 | 82.03 | 80.19 | 73.20 | 53.45 | 35.90 | 32.61 | 53.26 | |||||||||||||
2019 | 21.00 | 14.21 | 35.06 | 53.43 | 61.71 | 78.93 | 82.87 | 77.74 | 73.47 | 50.74 | 37.60 | 28.55 | 51.28 | |||||||||||||
2020 | 23.65 | 28.38 | 44.13 | 54.57 | 64.39 | 82.90 | 84.35 | 84.68 | 73.07 | 52.13 | 48.63 | 35.00 | 56.32 | |||||||||||||
2021 | 30.03 | 18.32 | 49.13 | 55.33 | 67.52 | 86.60 | 85.03 | 84.00 | 77.00 | 63.94 | 46.57 | 33.29 | 58.06 | |||||||||||||
2022 | 25.90 | 28.61 | 42.00 | 51.20 | 65.72 | f | 80.73 | 84.94 | 82.42 | 78.27 | 62.74 | 41.57 | 22.00 | 54.58 | a | |||||||||||
2023 | 22.71 | 26.46 | 30.87 | 53.90 | 74.61 | 84.07 | 81.45 | 84.16 | 79.40 | 60.03 | 48.93 | 39.84 | 57.20 | |||||||||||||
2024 | 20.61 | 41.52 | 46.87 | 56.68 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.33 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.22 | 28.19 | 40.95 | 56.42 | 69.23 | 79.08 | 84.01 | 81.68 | 73.35 | 59.92 | 42.17 | 28.12 | 55.66 | |||||||||||||
S.D. | 6.19 | 7.13 | 6.98 | 5.13 | 3.88 | 3.45 | 3.34 | 3.29 | 3.85 | 4.20 | 5.75 | 6.20 | 2.27 | |||||||||||||
SKEW | -0.09 | 0.19 | 0.21 | -0.33 | 0.07 | -0.03 | -0.01 | 0.17 | -0.44 | -0.09 | -0.14 | -0.77 | -0.34 | |||||||||||||
MAX | 36.71 | 41.68 | 58.90 | 66.53 | 78.61 | 86.60 | 91.90 | 90.13 | 81.07 | 71.00 | 55.97 | 39.84 | 60.63 | |||||||||||||
MIN | 8.87 | 14.21 | 28.42 | 43.43 | 61.71 | 72.27 | 73.06 | 75.13 | 62.03 | 50.03 | 26.80 | 6.45 | 51.15 | |||||||||||||
YRS | 60 | 59 | 59 | 58 | 57 | 58 | 58 | 58 | 60 | 60 | 59 | 59 | 49 |