YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | 13.52 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 13.52 | k |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | 28.45 | 38.19 | a | 39.37 | a | 56.70 | 72.87 | a | 75.07 | 80.39 | 79.61 | 75.63 | 59.10 | 47.07 | 35.77 | a | 57.35 | |||||||||
1999 | 22.48 | 35.11 | 43.13 | a | 56.67 | 68.52 | 77.13 | 83.68 | 75.55 | 71.13 | 57.10 | 50.60 | 31.81 | 56.08 | ||||||||||||
2000 | 25.19 | 35.48 | 49.39 | 54.10 | 67.81 | 74.30 | 77.52 | 77.94 | 68.97 | 61.52 | 39.79 | a | 20.10 | 54.34 | ||||||||||||
2001 | 28.42 | 26.21 | 37.81 | 59.33 | 68.29 | 75.93 | 82.96 | e | 80.94 | 67.93 | 57.13 | 52.10 | 35.94 | 56.08 | ||||||||||||
2002 | 32.30 | a | 35.76 | c | 35.29 | 54.03 | 62.00 | 77.24 | a | 85.23 | 80.32 | 75.63 | 52.58 | 41.20 | 33.45 | 55.42 | ||||||||||
2003 | 22.47 | a | 24.39 | 39.39 | 52.93 | 64.35 | 75.17 | 80.71 | 81.16 | 70.37 | 57.77 | 42.80 | 34.00 | 53.79 | ||||||||||||
2004 | 19.58 | 31.00 | 41.84 | 56.40 | 64.00 | 73.40 | 76.90 | 73.40 | a | 76.57 | 58.84 | 46.30 | 30.84 | 54.09 | ||||||||||||
2005 | 23.71 | 32.86 | 37.55 | 59.57 | 63.45 | 81.97 | 82.42 | 81.00 | 76.17 | 60.97 | 44.20 | 24.58 | 55.70 | |||||||||||||
2006 | 35.06 | 26.82 | 40.39 | 59.97 | 66.00 | 75.27 | 83.87 | 79.23 | 68.60 | 53.13 | 46.43 | 34.71 | 55.79 | |||||||||||||
2007 | 29.94 | 20.43 | 43.81 | 52.50 | 70.87 | 78.93 | 79.71 | 78.87 | 73.73 | 63.29 | 42.13 | 26.74 | 55.08 | |||||||||||||
2008 | 23.94 | 22.45 | 34.39 | 53.97 | 64.87 | 75.00 | a | 80.03 | 78.29 | 72.67 | 57.55 | 43.17 | 25.26 | 52.63 | ||||||||||||
2009 | 16.71 | 30.93 | 38.71 | 53.10 | 66.81 | 74.37 | 76.10 | 76.81 | 73.80 | 51.26 | 50.03 | 27.55 | 53.01 | |||||||||||||
2010 | 24.10 | 29.64 | 46.84 | 60.90 | 69.67 | a | 75.37 | 82.26 | 81.71 | 68.93 | 61.87 | 44.83 | 25.39 | 55.96 | ||||||||||||
2011 | 21.81 | 26.64 | 37.03 | 49.60 | 62.06 | 72.83 | 83.61 | 79.61 | 67.57 | 60.68 | 44.70 | 34.90 | 53.42 | |||||||||||||
2012 | 30.42 | 34.83 | 54.71 | 55.40 | 72.45 | 81.27 | 86.87 | 79.61 | 70.97 | 57.00 | 44.63 | 35.03 | 58.60 | |||||||||||||
2013 | 27.97 | 26.43 | 32.84 | 47.50 | 68.19 | 74.80 | 79.94 | 80.45 | 72.73 | 58.42 | 41.20 | 23.48 | 52.83 | |||||||||||||
2014 | 17.29 | 19.07 | 31.68 | 50.37 | 66.63 | a | 77.07 | 78.03 | 78.26 | 71.23 | 56.53 | a | 35.30 | 32.52 | 51.16 | |||||||||||
2015 | 24.94 | 18.68 | 41.58 | 55.50 | 69.39 | 74.77 | 81.10 | a | 77.58 | 76.63 | 59.26 | 49.57 | 39.87 | 55.74 | ||||||||||||
2016 | 25.81 | 31.76 | 45.16 | 51.80 | 68.48 | 77.57 | 82.19 | 81.97 | 74.37 | 61.90 | 51.90 | 28.74 | 56.80 | |||||||||||||
2017 | 27.58 | 37.50 | 38.06 | 58.20 | 64.94 | 78.77 | 81.55 | 76.58 | 75.77 | 61.77 | 42.90 | 27.26 | 55.91 | |||||||||||||
2018 | 27.00 | 28.79 | 40.39 | 44.50 | 74.06 | 77.63 | 82.97 | 80.84 | 73.27 | 54.13 | 35.73 | 33.87 | 54.43 | |||||||||||||
2019 | 23.03 | 25.32 | 36.90 | 52.80 | 64.39 | 77.27 | 85.26 | 77.77 | 72.00 | 55.45 | 35.80 | 32.77 | 53.23 | |||||||||||||
2020 | 31.26 | 29.41 | 42.00 | 50.27 | 65.23 | 78.40 | 83.58 | 81.03 | 69.00 | 51.65 | 49.73 | 33.26 | 55.40 | |||||||||||||
2021 | 28.35 | 22.21 | 46.55 | 56.83 | 66.94 | 81.27 | 79.94 | 81.29 | 73.13 | 63.48 | 43.73 | 35.74 | 56.62 | |||||||||||||
2022 | 20.90 | 28.14 | 39.03 | 48.03 | 67.84 | 76.87 | 80.39 | 78.16 | 71.33 | 59.06 | 46.70 | 29.06 | 53.79 | |||||||||||||
2023 | 30.68 | 31.93 | 37.48 | 56.60 | 67.94 | 77.83 | 82.00 | 78.39 | 73.43 | 60.55 | 44.27 | 39.45 | 56.71 | |||||||||||||
2024 | 26.42 | 40.24 | 46.71 | 54.88 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.79 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.77 | 28.71 | 40.67 | 54.14 | 67.23 | 76.75 | 81.51 | 79.09 | 72.37 | 58.15 | 44.49 | 31.23 | 55.00 | |||||||||||||
S.D. | 4.50 | 6.52 | 5.21 | 4.12 | 3.15 | 2.38 | 2.64 | 2.07 | 2.80 | 3.50 | 4.68 | 5.03 | 1.70 | |||||||||||||
SKEW | -0.12 | -0.31 | 0.67 | -0.40 | 0.35 | 0.57 | -0.16 | -0.80 | -0.10 | -0.44 | -0.30 | -0.35 | -0.18 | |||||||||||||
MAX | 35.06 | 40.24 | 54.71 | 60.90 | 74.06 | 81.97 | 86.87 | 81.97 | 76.63 | 63.48 | 52.10 | 39.87 | 58.60 | |||||||||||||
MIN | 16.71 | 13.52 | 31.68 | 44.50 | 62.00 | 72.83 | 76.10 | 73.40 | 67.57 | 51.26 | 35.30 | 20.10 | 51.16 | |||||||||||||
YRS | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |