YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.16 | 77.00 | 71.53 | 62.13 | 33.43 | 18.61 | 57.14 | f | ||||||
1951 | 16.87 | 24.79 | 29.26 | 49.80 | 71.00 | 72.17 | 80.26 | 72.97 | 64.10 | 55.32 | 32.30 | 22.39 | 49.27 | |||||||||||||
1952 | 20.87 | 30.31 | 32.87 | 60.20 | 68.45 | 78.07 | 81.55 | 76.35 | 72.77 | 54.48 | 42.80 | 28.77 | 53.96 | |||||||||||||
1953 | 23.16 | 24.71 | 36.90 | 48.43 | 68.42 | 78.30 | 81.10 | 81.39 | 71.23 | 67.61 | 45.97 | 28.29 | 54.63 | |||||||||||||
1954 | 17.39 | 36.39 | 34.13 | 54.47 | 60.84 | 78.77 | 80.81 | 77.90 | 65.67 | 53.32 | 43.43 | 28.00 | 52.59 | |||||||||||||
1955 | 20.10 | 22.18 | 32.90 | 63.27 | 73.61 | 77.40 | 85.68 | 83.68 | 70.40 | 58.81 | 31.47 | 18.97 | 53.20 | |||||||||||||
1956 | 21.42 | 23.07 | 32.48 | 49.33 | 66.42 | 80.33 | 76.87 | 78.39 | 67.83 | 65.35 | 39.90 | 28.48 | 52.49 | |||||||||||||
1957 | 15.35 | 26.07 | 36.00 | 55.63 | 66.03 | 74.80 | 83.45 | 78.45 | 67.50 | 56.06 | 36.97 | 29.23 | 52.13 | |||||||||||||
1958 | 25.94 | 22.36 | 40.10 | 57.87 | 70.10 | 71.53 | 77.94 | 78.74 | 69.70 | 59.68 | 42.10 | 21.03 | 53.09 | |||||||||||||
1959 | 16.68 | 24.25 | 41.58 | 55.10 | 69.32 | 78.03 | 83.29 | 81.06 | 70.30 | 50.23 | 30.53 | 34.23 | 52.88 | |||||||||||||
1960 | 22.00 | 25.83 | 30.32 | 54.40 | 67.10 | 73.53 | 82.39 | 80.81 | 69.33 | 59.71 | 41.33 | 24.71 | 52.62 | |||||||||||||
1961 | 21.97 | 36.00 | 44.45 | 50.97 | 68.48 | 79.57 | 82.15 | d | 85.68 | 69.87 | 61.81 | 41.27 | 24.81 | 55.58 | ||||||||||||
1962 | 17.94 | 22.43 | 37.27 | a | 54.67 | 70.90 | a | 77.40 | 77.08 | s | ----- | z | 68.70 | 61.94 | 42.57 | 28.07 | a | 48.19 | b | |||||||
1963 | 12.13 | 22.68 | c | 45.10 | 60.97 | 66.90 | 81.77 | 86.83 | g | 80.10 | 72.60 | 69.35 | 46.54 | f | 17.94 | 52.95 | b | |||||||||
1964 | 29.48 | 32.48 | 36.52 | 59.10 | 74.45 | 78.19 | d | 86.97 | 79.87 | 69.23 | 58.57 | a | 41.34 | a | 20.48 | 55.56 | ||||||||||
1965 | 19.35 | 22.25 | 29.45 | 51.77 | 70.16 | 76.04 | c | 80.03 | 78.81 | 60.21 | a | 61.48 | d | 39.47 | 31.29 | 51.69 | ||||||||||
1966 | 12.94 | 26.32 | 43.23 | a | 51.07 | 65.81 | 81.17 | 87.16 | 76.10 | a | 71.63 | 58.65 | 36.65 | d | 25.19 | 52.99 | ||||||||||
1967 | 23.74 | 21.36 | 39.03 | 55.73 | 64.29 | 76.73 | 81.52 | b | 78.19 | 72.37 | 57.23 | 37.48 | c | 32.64 | i | 55.24 | a | |||||||||
1968 | ----- | z | 24.76 | 50.87 | 60.40 | 65.32 | 76.90 | 81.03 | a | 80.07 | a | 69.87 | 61.72 | b | 40.23 | 23.61 | 57.71 | a | ||||||||
1969 | 18.10 | 28.86 | 34.58 | 58.53 | 72.03 | 71.97 | 82.55 | 87.29 | 73.40 | 54.87 | 39.76 | a | 27.07 | a | 54.08 | |||||||||||
1970 | 15.10 | a | 28.69 | b | 35.97 | 56.55 | a | 67.23 | 80.62 | a | 85.61 | 83.55 | 70.77 | 57.23 | 37.33 | 25.45 | 53.67 | |||||||||
1971 | 14.90 | 25.71 | 35.55 | 58.70 | 65.06 | 79.14 | a | 76.19 | 76.10 | 67.73 | 57.81 | 36.90 | 23.90 | b | 51.47 | |||||||||||
1972 | 13.10 | 19.03 | 32.13 | 48.53 | 68.90 | 74.90 | 75.65 | 77.13 | 67.00 | 51.73 | a | 37.03 | ----- | z | 51.38 | a | ||||||||||
1973 | 24.81 | 27.56 | c | 48.29 | 56.75 | b | 62.68 | 76.00 | 79.19 | 79.42 | ----- | z | 61.45 | ----- | z | 23.70 | a | 53.98 | b | |||||||
1974 | 18.81 | 26.61 | 35.71 | 55.77 | 62.43 | a | 74.30 | 81.48 | 73.55 | 63.59 | a | 57.71 | ----- | z | ----- | z | 55.00 | b | ||||||||
1975 | 23.61 | 26.50 | b | 32.97 | b | 47.04 | d | 71.16 | 71.73 | 79.55 | 75.87 | 63.20 | 59.55 | 52.82 | h | 24.34 | b | 52.32 | a | |||||||
1976 | 18.23 | a | 32.55 | 36.19 | 61.30 | 68.58 | 80.73 | 85.65 | 83.26 | 70.86 | b | 52.55 | 34.63 | 17.86 | b | 53.53 | ||||||||||
1977 | 8.55 | 28.29 | 44.16 | 62.00 | 78.45 | 77.03 | 81.65 | 73.94 | 67.10 | 56.26 | 38.93 | 22.06 | 53.20 | |||||||||||||
1978 | 15.32 | 21.68 | 38.43 | a | 53.07 | 72.94 | 74.97 | 77.58 | 79.16 | 72.07 | 56.80 | a | 38.40 | ----- | z | 54.58 | a | |||||||||
1979 | 8.71 | 17.18 | 34.23 | 50.53 | 62.71 | 76.23 | 81.81 | 76.32 | 70.20 | 55.84 | 39.37 | 31.80 | a | 50.41 | ||||||||||||
1980 | 19.32 | 22.97 | 33.55 | 60.60 | 74.55 | 74.20 | 82.39 | 77.06 | 63.77 | 51.35 | 41.37 | 24.10 | 52.10 | |||||||||||||
1981 | 25.06 | 29.11 | 43.55 | 56.10 | 67.23 | 73.17 | 78.90 | 76.87 | 67.27 | 51.97 | a | 46.47 | 24.55 | b | 53.35 | |||||||||||
1982 | 9.00 | a | 22.43 | 34.29 | 51.83 | 71.65 | 71.10 | 80.94 | 77.16 | 65.30 | 56.71 | 35.40 | 29.77 | 50.46 | ||||||||||||
1983 | 24.55 | 30.57 | 38.26 | 49.77 | 63.42 | 74.27 | 82.10 | 80.84 | 66.50 | 55.35 | 37.73 | 11.48 | 51.24 | |||||||||||||
1984 | 19.33 | a | 33.21 | 32.90 | 58.62 | a | 65.07 | a | 75.67 | 78.97 | 79.48 | 62.10 | 56.74 | 39.27 | 24.32 | 52.14 | ||||||||||
1985 | 18.10 | a | 22.00 | 42.52 | 59.14 | a | 71.10 | 71.13 | 79.13 | 71.97 | ----- | z | 55.23 | a | 31.53 | 13.97 | 48.71 | a | ||||||||
1986 | 22.42 | 23.00 | 39.65 | 59.04 | b | 69.06 | 76.33 | ----- | z | 72.97 | 64.90 | ----- | z | ----- | z | 27.68 | 50.56 | c | ||||||||
1987 | 26.10 | 37.57 | 46.00 | 66.33 | ----- | z | ----- | z | 83.03 | ----- | z | 69.03 | 51.00 | 43.47 | 29.13 | 50.18 | c | |||||||||
1988 | 16.35 | 19.90 | 38.03 | 57.00 | 75.71 | 82.53 | 86.74 | 80.06 | ----- | z | 51.58 | 37.57 | 24.84 | 51.85 | a | |||||||||||
1989 | 26.35 | 16.18 | 31.65 | 52.33 | 68.81 | 76.60 | 84.35 | 79.35 | 69.50 | 60.00 | 34.30 | 16.94 | 51.36 | |||||||||||||
1990 | 31.48 | 29.71 | 43.13 | 56.30 | 66.13 | 77.77 | 79.71 | 79.48 | 71.87 | 55.97 | 44.60 | 24.45 | 55.05 | |||||||||||||
1991 | 18.81 | 32.71 | 41.06 | 59.47 | 71.30 | a | 79.27 | 78.81 | 81.19 | 66.10 | 54.81 | 30.37 | 26.90 | 53.40 | ||||||||||||
1992 | 25.87 | 32.76 | 39.42 | 49.23 | 72.71 | 75.60 | 73.65 | 75.40 | a | 68.47 | 56.77 | 34.40 | 26.97 | 52.60 | ||||||||||||
1993 | 22.52 | 26.00 | 40.13 | 51.73 | 66.16 | 72.50 | 77.77 | 79.06 | 62.80 | 55.07 | b | 35.20 | 25.71 | 51.22 | ||||||||||||
1994 | 11.39 | 20.43 | 41.35 | 54.97 | 71.90 | 78.37 | 78.58 | 76.29 | 71.86 | a | 58.55 | 44.27 | 30.19 | 53.18 | ||||||||||||
1995 | 22.58 | 26.25 | 40.71 | 47.17 | 67.17 | a | 81.52 | a | 80.71 | 80.48 | 68.50 | 55.66 | b | 30.37 | 23.45 | 52.05 | ||||||||||
1996 | 16.90 | 24.24 | 32.00 | 50.10 | 64.94 | 75.10 | 77.52 | 80.63 | a | 70.57 | 57.55 | 31.37 | 21.77 | 50.22 | ||||||||||||
1997 | 18.58 | 29.96 | 38.13 | 53.20 | 62.20 | a | 80.90 | 78.61 | 74.90 | 71.97 | 57.42 | 35.00 | a | 32.94 | 52.82 | |||||||||||
1998 | 25.19 | 38.75 | 39.74 | 61.13 | 77.26 | 74.17 | 82.74 | 81.68 | 76.80 | 59.74 | 43.10 | 31.87 | 57.68 | |||||||||||||
1999 | 19.26 | 34.93 | 43.48 | 58.13 | 70.94 | 75.00 | 85.39 | 79.13 | 71.83 | 58.97 | 50.52 | a | 32.47 | a | 56.67 | |||||||||||
2000 | 24.80 | a | 34.38 | 50.71 | 56.03 | 71.55 | 74.87 | 81.90 | 81.74 | 71.67 | 62.61 | 39.07 | a | 14.40 | a | 55.31 | ||||||||||
2001 | 27.50 | a | 21.50 | 37.87 | 55.33 | 69.77 | 77.53 | 85.16 | 84.35 | 70.13 | 57.77 | 53.27 | 33.84 | 56.17 | ||||||||||||
2002 | 29.90 | 35.29 | 31.97 | 52.90 | 63.42 | 78.73 | 85.23 | 78.97 | 72.97 | 48.39 | 39.00 | 31.16 | 53.99 | |||||||||||||
2003 | 21.06 | 23.50 | 39.29 | 56.03 | 69.19 | 76.83 | 81.97 | 84.81 | 73.17 | 59.77 | 37.87 | 30.29 | 54.48 | |||||||||||||
2004 | 16.77 | 28.55 | 42.13 | 59.23 | 64.84 | 73.93 | 80.74 | 74.45 | 75.77 | 59.29 | 44.60 | 27.32 | 53.97 | |||||||||||||
2005 | 21.39 | 33.39 | 40.87 | 62.53 | 63.55 | 81.33 | 84.84 | 83.36 | c | 75.53 | 61.94 | 42.97 | 25.58 | 56.44 | ||||||||||||
2006 | 33.39 | 27.00 | 42.32 | 63.83 | 69.97 | 81.07 | 89.42 | 81.68 | 70.63 | 55.13 | 43.77 | 33.61 | 57.65 | |||||||||||||
2007 | 25.90 | 21.70 | a | 45.35 | 57.03 | a | 74.00 | 83.17 | 86.52 | 81.26 | 74.43 | 62.06 | 41.17 | 22.52 | 56.26 | |||||||||||
2008 | 21.16 | 23.97 | 36.84 | 52.37 | 66.52 | 77.33 | 83.16 | 80.94 | 72.10 | 58.45 | 41.50 | 21.55 | 52.99 | |||||||||||||
2009 | 15.61 | 29.14 | 40.13 | 57.40 | 70.71 | 77.00 | 78.65 | 78.26 | 77.77 | 48.81 | 49.43 | 23.16 | 53.84 | |||||||||||||
2010 | 21.00 | a | 30.75 | 50.58 | 66.03 | 71.42 | 75.60 | 83.39 | 83.55 | 67.40 | 63.03 | 41.53 | 21.81 | 56.34 | ||||||||||||
2011 | 17.29 | ----- | z | 37.58 | 53.87 | 66.52 | 76.13 | 86.07 | d | 81.42 | 71.10 | 64.29 | 45.77 | 31.39 | 57.40 | a | ||||||||||
2012 | 28.45 | 35.00 | 55.42 | 59.00 | 72.52 | 80.30 | 88.10 | 82.10 | 74.70 | 56.23 | 43.17 | 28.84 | 58.65 | |||||||||||||
2013 | 22.90 | 26.04 | 34.84 | 46.37 | 67.26 | 76.37 | 82.48 | 84.26 | 75.43 | 55.68 | 37.90 | 16.48 | 52.17 | |||||||||||||
2014 | 14.63 | a | 17.11 | 31.45 | 48.83 | 67.65 | 78.90 | 79.84 | 80.16 | 70.50 | 57.71 | 31.93 | 28.39 | 50.59 | ||||||||||||
2015 | 23.00 | 18.43 | 44.35 | 59.67 | 68.81 | 78.20 | 83.03 | 78.52 | 76.53 | 59.39 | 47.40 | 33.84 | 55.93 | |||||||||||||
2016 | 22.19 | 30.97 | 46.47 | a | 55.03 | 71.52 | 79.13 | 82.19 | 81.00 | 72.60 | 61.23 | 51.33 | 25.26 | 56.58 | ||||||||||||
2017 | 25.74 | 36.79 | 41.10 | 57.73 | 66.65 | 78.83 | 81.84 | 75.77 | 75.97 | 60.23 | 38.37 | 22.61 | 55.14 | |||||||||||||
2018 | 21.29 | 24.43 | 39.97 | 45.63 | 77.84 | 79.50 | 82.20 | a | 81.00 | 71.40 | 50.19 | 31.53 | 30.00 | 52.92 | ||||||||||||
2019 | 19.74 | 18.61 | 36.57 | a | 52.03 | 62.29 | 77.17 | 81.74 | 77.26 | 70.07 | 52.26 | 32.93 | 27.29 | 50.66 | ||||||||||||
2020 | 25.77 | 28.21 | 41.94 | 53.13 | 65.71 | ----- | z | 84.00 | 78.65 | 66.52 | a | 47.52 | 44.87 | 30.77 | 51.55 | a | ||||||||||
2021 | 27.29 | 18.61 | 48.61 | 54.73 | 68.16 | 83.60 | 82.61 | 81.26 | 73.97 | 61.42 | 42.00 | 29.52 | 55.98 | |||||||||||||
2022 | 19.35 | 24.18 | 36.74 | 47.53 | 68.77 | 78.00 | 79.90 | 76.52 | 70.10 | 59.16 | 40.27 | 23.45 | 52.00 | |||||||||||||
2023 | 26.23 | 29.50 | 34.29 | 52.00 | 72.90 | 80.50 | 81.39 | 78.61 | 74.41 | a | 57.10 | 43.43 | 37.87 | 55.69 | ||||||||||||
2024 | 25.52 | 40.38 | 44.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.70 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 20.73 | 26.86 | 39.08 | 55.32 | 68.73 | 77.15 | 81.77 | 79.24 | 70.07 | 57.47 | 39.61 | 25.78 | 53.59 | |||||||||||||
S.D. | 5.29 | 5.68 | 5.56 | 4.79 | 3.91 | 3.01 | 3.08 | 3.16 | 3.75 | 4.29 | 5.26 | 5.27 | 2.10 | |||||||||||||
SKEW | -0.15 | 0.33 | 0.51 | 0.04 | 0.27 | -0.06 | 0.05 | -0.00 | -0.34 | 0.01 | 0.21 | -0.37 | 0.29 | |||||||||||||
MAX | 33.39 | 40.38 | 55.42 | 66.33 | 78.45 | 83.60 | 89.42 | 87.29 | 77.77 | 69.35 | 53.27 | 37.87 | 58.65 | |||||||||||||
MIN | 8.55 | 16.18 | 29.26 | 45.63 | 60.84 | 71.10 | 73.65 | 71.97 | 60.21 | 47.52 | 30.37 | 11.48 | 49.27 | |||||||||||||
YRS | 73 | 73 | 74 | 73 | 72 | 71 | 71 | 72 | 71 | 73 | 69 | 70 | 58 |