YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | 24.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.74 | k | |
1969 | ----- | z | ----- | z | ----- | z | 58.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.48 | ----- | z | ----- | z | 55.74 | j | ||
1970 | 14.06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.65 | j | ||
1971 | ----- | z | 24.21 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.52 | 24.37 | j | ||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.27 | 78.06 | ----- | z | ----- | z | ----- | z | 37.33 | 21.48 | 53.79 | h | ||||
1973 | ----- | z | ----- | z | ----- | z | 54.61 | b | ----- | z | 81.80 | 81.81 | ----- | z | ----- | z | 65.61 | ----- | z | ----- | z | 70.96 | h | |||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.87 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.87 | k | |
1975 | ----- | z | ----- | z | 30.73 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.73 | k |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.97 | k | |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.74 | 23.74 | k | |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | 71.94 | ----- | z | 79.68 | ----- | z | ----- | z | ----- | z | 29.69 | n | ----- | z | 75.81 | j | ||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 67.57 | a | ----- | z | ----- | z | ----- | z | 74.66 | a | ----- | z | ----- | z | ----- | z | 71.11 | j |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.13 | ----- | z | 80.24 | b | ----- | z | ----- | z | ----- | z | ----- | z | 80.69 | j | |
1981 | ----- | z | ----- | z | 49.00 | a | 64.44 | c | 68.84 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.76 | i | |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.64 | f | ----- | z |
1993 | 22.23 | a | 22.29 | 35.00 | 52.90 | 65.87 | 75.10 | 79.61 | 79.06 | 65.87 | 57.32 | 39.43 | 27.45 | 51.85 | ||||||||||||
1994 | 12.83 | a | 22.43 | 44.32 | 58.45 | a | 74.61 | 81.23 | 78.87 | 76.65 | 74.40 | 61.29 | 45.57 | 31.61 | 55.19 | |||||||||||
1995 | 25.61 | 29.89 | 43.59 | b | 51.00 | 67.16 | 80.73 | 83.19 | 84.97 | 71.33 | 57.07 | a | 34.63 | 28.60 | a | 54.82 | ||||||||||
1996 | 20.63 | a | 29.24 | d | 36.71 | 53.03 | 63.81 | 79.47 | 80.33 | a | 79.71 | 71.37 | ----- | z | 33.42 | d | 23.59 | d | 51.94 | a | ||||||
1997 | 22.26 | h | 29.83 | d | 41.00 | d | 54.50 | b | 62.97 | 82.73 | 81.32 | 77.84 | 75.00 | 63.84 | 35.07 | 32.71 | 57.89 | a | ||||||||
1998 | 26.10 | 37.64 | 37.41 | b | 59.73 | 76.61 | 75.83 | 82.94 | 81.61 | 81.66 | a | 62.20 | a | 48.11 | b | 36.77 | 58.88 | |||||||||
1999 | 21.16 | 37.07 | 44.61 | 56.30 | 69.61 | 77.83 | 86.06 | 78.90 | 73.33 | 61.84 | 54.20 | 34.23 | 57.93 | |||||||||||||
2000 | 26.03 | 36.24 | 51.26 | 58.13 | 72.42 | 78.33 | 81.32 | 80.35 | 75.20 | 64.65 | 38.13 | 15.41 | b | 56.46 | ||||||||||||
2001 | 27.35 | 21.93 | a | 33.81 | 58.87 | 68.71 | 79.37 | 85.68 | ----- | z | 70.17 | 60.65 | 57.87 | 35.45 | 54.53 | a | ||||||||||
2002 | 31.74 | 35.43 | 33.03 | 54.33 | 66.68 | 80.30 | 86.32 | 78.81 | 74.27 | 52.48 | 41.03 | a | 35.26 | 55.81 | ||||||||||||
2003 | 24.48 | 27.25 | 42.16 | 58.20 | 66.87 | 77.40 | 81.77 | 82.94 | 73.10 | 62.97 | 40.03 | 31.19 | 55.70 | |||||||||||||
2004 | 22.77 | 27.03 | 45.19 | 62.87 | 67.68 | 74.83 | 79.16 | 74.58 | 77.20 | 59.74 | 46.20 | 32.97 | a | 55.85 | ||||||||||||
2005 | 22.17 | a | 34.75 | 38.90 | 61.33 | 64.32 | 82.30 | 84.16 | 80.10 | 76.63 | 63.94 | 46.40 | 22.55 | 56.46 | ||||||||||||
2006 | 33.32 | 28.25 | 40.53 | a | 60.97 | a | 69.68 | 79.03 | 86.65 | 79.71 | 67.60 | 57.10 | 46.00 | 35.55 | 57.03 | |||||||||||
2007 | 26.10 | 19.71 | 44.52 | 54.93 | 75.45 | 80.90 | 83.71 | 79.42 | 75.77 | 63.07 | a | 43.83 | 23.94 | 55.95 | ||||||||||||
2008 | 19.71 | 22.45 | 38.00 | 52.37 | 67.58 | 77.60 | 82.29 | 80.19 | 74.17 | 59.26 | 42.83 | 23.42 | 53.32 | |||||||||||||
2009 | 18.03 | 30.11 | 40.58 | 56.17 | 69.03 | 75.67 | 76.71 | 76.61 | 75.47 | 50.45 | 51.73 | 24.29 | 53.74 | |||||||||||||
2010 | 16.90 | 21.21 | 45.00 | 65.27 | 70.23 | 76.40 | 82.68 | 84.32 | 70.77 | 66.23 | 44.67 | 21.94 | 55.47 | |||||||||||||
2011 | 18.29 | 26.25 | 36.84 | 53.53 | 66.71 | 77.20 | 85.45 | 80.81 | 70.23 | 64.58 | 46.63 | 34.19 | 55.06 | |||||||||||||
2012 | 30.90 | 36.03 | 58.00 | 59.87 | 74.23 | 80.60 | 87.84 | 81.29 | 75.70 | 57.65 | 47.27 | 31.71 | 60.09 | |||||||||||||
2013 | 26.61 | 26.46 | 32.71 | 48.27 | 65.94 | 76.70 | 81.90 | 80.32 | 77.03 | 58.81 | 40.48 | a | 23.00 | 53.19 | ||||||||||||
2014 | 22.42 | 18.61 | 34.52 | 53.87 | 67.39 | 77.30 | 78.06 | 80.29 | 71.66 | a | 59.32 | 34.73 | 30.74 | 52.41 | ||||||||||||
2015 | 27.58 | 20.86 | 44.35 | 59.67 | 69.00 | 77.47 | 80.68 | 77.10 | 77.33 | 63.29 | 49.13 | 34.69 | e | 56.76 | ||||||||||||
2016 | 23.29 | 34.45 | 47.90 | 58.57 | 68.94 | 80.73 | 81.06 | 80.16 | 74.53 | 62.13 | 53.83 | 27.48 | 57.76 | |||||||||||||
2017 | 26.81 | 38.93 | 39.16 | 57.37 | 67.52 | 80.40 | 82.77 | a | 75.00 | 76.60 | 59.97 | 43.03 | 27.97 | 56.29 | ||||||||||||
2018 | 23.46 | c | 24.67 | a | 37.87 | 43.20 | 75.65 | 81.00 | 80.81 | 79.58 | 74.53 | 54.06 | 34.23 | 32.06 | 53.43 | |||||||||||
2019 | 21.71 | 20.19 | a | 37.13 | 55.47 | 64.00 | b | 77.76 | a | 83.03 | 77.45 | 75.40 | 54.06 | 37.28 | a | 31.81 | 52.94 | |||||||||
2020 | 27.26 | 29.31 | 43.55 | 54.43 | 66.84 | 82.40 | 83.16 | 80.81 | 70.17 | 51.87 | 49.37 | 33.29 | 56.04 | |||||||||||||
2021 | 28.71 | 17.79 | 48.87 | 56.57 | 68.74 | 85.43 | 81.16 | 81.35 | 77.00 | 64.26 | 45.87 | 34.77 | 57.54 | |||||||||||||
2022 | 21.06 | 24.07 | 41.45 | 48.30 | 70.16 | 80.87 | 82.97 | 79.23 | a | 74.37 | 61.03 | 43.47 | 24.84 | 54.32 | ||||||||||||
2023 | 26.58 | 29.14 | 37.87 | 56.00 | 72.58 | 82.03 | 81.23 | 82.65 | 77.90 | 62.03 | 48.40 | 40.62 | b | 58.09 | ||||||||||||
2024 | 24.52 | 43.79 | 48.61 | 58.83 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.97 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.79 | 28.11 | 41.30 | 56.22 | 68.98 | 79.30 | 82.37 | 79.74 | 74.07 | 59.88 | 43.76 | 29.23 | 55.66 | |||||||||||||
S.D. | 4.65 | 6.69 | 6.00 | 4.59 | 3.49 | 2.51 | 2.67 | 2.35 | 3.23 | 4.28 | 6.29 | 5.70 | 2.02 | |||||||||||||
SKEW | -0.31 | 0.42 | 0.52 | -0.48 | 0.54 | 0.12 | 0.09 | -0.08 | -0.42 | -0.61 | 0.14 | -0.27 | 0.04 | |||||||||||||
MAX | 33.32 | 43.79 | 58.00 | 65.27 | 76.61 | 85.43 | 87.84 | 84.97 | 81.66 | 66.23 | 57.87 | 40.62 | 60.09 | |||||||||||||
MIN | 12.83 | 17.79 | 30.73 | 43.20 | 62.97 | 74.83 | 76.71 | 74.58 | 65.87 | 50.45 | 33.42 | 15.41 | 51.85 | |||||||||||||
YRS | 33 | 33 | 34 | 34 | 34 | 34 | 37 | 31 | 32 | 32 | 32 | 34 | 28 |