YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 48.93 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.93 | k | |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | 63.03 | a | 72.33 | 87.61 | 86.97 | 80.33 | 66.23 | 42.70 | 36.77 | 67.00 | d | |||||||
1946 | 37.29 | 40.21 | 46.26 | 60.30 | 68.29 | 73.13 | 85.13 | 87.19 | 75.03 | 56.23 | a | 44.23 | 41.42 | 59.56 | ||||||||||||
1947 | 40.97 | 49.39 | 52.16 | 60.00 | 74.62 | b | 68.67 | 83.29 | 83.35 | 79.87 | 62.74 | 47.30 | 43.84 | 62.18 | ||||||||||||
1948 | 47.55 | 43.38 | 44.61 | 48.13 | 61.10 | 73.17 | 82.65 | 82.26 | 73.93 | 65.90 | 46.43 | 33.77 | 58.57 | |||||||||||||
1949 | 31.03 | 40.36 | 45.48 | 64.43 | 67.81 | 76.07 | 87.84 | 85.10 | 80.17 | 62.84 | 61.20 | 40.13 | 61.87 | |||||||||||||
1950 | 31.00 | 46.29 | 46.94 | 57.24 | a | 67.52 | 74.20 | 88.84 | 88.71 | 76.03 | 62.32 | 52.23 | 46.84 | 61.51 | ||||||||||||
1951 | 38.48 | 43.68 | 48.13 | 64.37 | 65.97 | 80.40 | 89.32 | 86.16 | 82.00 | 59.63 | a | 47.77 | 36.61 | 61.88 | ||||||||||||
1952 | 34.00 | 42.59 | 43.13 | 60.17 | 68.52 | 70.90 | 85.30 | a | 84.73 | a | 81.20 | 77.13 | h | 41.83 | x | 37.97 | 60.85 | b | ||||||||
1953 | 42.45 | 45.43 | 47.84 | 55.47 | 56.84 | 66.72 | a | 88.77 | 82.10 | 83.93 | 63.96 | e | 52.25 | v | 43.27 | a | 61.53 | a | ||||||||
1954 | 38.39 | 49.81 | a | 46.48 | 61.40 | 73.19 | 70.37 | 88.65 | 80.00 | 75.73 | 65.55 | 54.70 | 40.26 | 62.04 | ||||||||||||
1955 | 35.84 | 39.89 | 45.81 | 48.30 | 65.58 | 79.33 | 83.81 | 91.53 | a | 77.80 | 67.23 | ----- | z | 38.13 | 61.20 | a | ||||||||||
1956 | 37.97 | 38.07 | a | 47.68 | 59.27 | 66.71 | 73.47 | 87.84 | 85.13 | 80.33 | 63.15 | e | ----- | z | ----- | z | 63.96 | b | ||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | 40.30 | k | 42.26 | j | 48.45 | k | 58.86 | i | 61.86 | j | 77.76 | i | 81.72 | b | 85.38 | e | 70.54 | f | 58.36 | i | 44.72 | e | 46.29 | g | 70.61 | i |
2001 | 42.65 | e | 40.43 | e | 52.04 | h | 49.00 | g | 70.29 | n | 73.67 | l | 81.70 | k | 84.56 | m | 77.32 | k | 66.81 | e | 48.12 | d | 37.10 | b | 47.02 | g |
2002 | 40.52 | j | 47.59 | f | 46.79 | b | 58.08 | d | 62.44 | f | 76.04 | f | 88.79 | c | 84.35 | e | 78.37 | c | 62.11 | m | 52.84 | e | 52.71 | x | 68.20 | f |
2003 | 46.25 | w | 45.21 | 49.10 | 46.70 | 63.06 | 80.30 | 89.71 | 82.80 | a | 80.76 | a | 69.84 | 41.54 | b | 38.50 | a | 62.50 | a | |||||||
2004 | 40.32 | 41.50 | a | 56.48 | 57.47 | 62.81 | 74.80 | 86.03 | 83.45 | 73.97 | 60.63 | a | 48.70 | 43.81 | 60.83 | |||||||||||
2005 | 44.19 | 47.39 | 51.39 | 52.57 | 59.73 | a | 66.83 | a | 88.48 | f | 86.87 | 73.80 | 63.42 | 49.00 | 43.19 | 58.03 | a | |||||||||
2006 | 39.84 | 46.89 | 40.32 | 52.77 | 67.50 | a | 82.06 | l | 89.43 | a | 83.68 | 77.47 | 63.45 | 45.57 | 42.29 | 59.02 | a | |||||||||
2007 | 43.52 | 43.32 | 54.52 | b | 56.63 | 68.77 | 75.77 | 87.42 | 84.94 | 74.33 | 56.35 | 52.60 | 35.39 | 61.13 | ||||||||||||
2008 | 35.94 | 44.14 | a | 47.61 | 52.40 | 63.58 | 73.27 | 86.03 | 85.26 | 79.00 | 64.52 | 52.77 | 40.26 | 60.40 | ||||||||||||
2009 | 47.87 | 43.50 | 45.06 | 54.80 | 67.39 | 71.03 | 85.97 | 84.21 | b | 81.73 | 58.13 | 48.07 | 38.87 | 60.55 | ||||||||||||
2010 | 42.10 | 43.75 | 48.90 | 49.27 | 55.65 | 70.03 | 86.47 | a | 84.14 | c | 75.10 | 63.58 | 45.03 | 38.35 | 58.53 | |||||||||||
2011 | 44.81 | 40.74 | a | 40.39 | 47.31 | a | 55.97 | 69.25 | b | 80.58 | 84.97 | a | 80.63 | 62.65 | 44.63 | 45.19 | 58.09 | |||||||||
2012 | 43.90 | 42.72 | 43.35 | 53.67 | 64.39 | 71.36 | b | 83.52 | 87.35 | 81.97 | 64.26 | 49.67 | 36.61 | 60.23 | ||||||||||||
2013 | 41.35 | 44.61 | 52.00 | 56.30 | 64.81 | 75.23 | 89.90 | 82.35 | 75.44 | c | 62.16 | 52.63 | 43.61 | 61.70 | ||||||||||||
2014 | 50.74 | 44.36 | 51.90 | 57.00 | a | 66.48 | 74.70 | 89.65 | 83.10 | 76.97 | 64.19 | 49.63 | 41.13 | 62.49 | ||||||||||||
2015 | 48.70 | a | 52.04 | 57.19 | 56.63 | 64.03 | 80.87 | 82.35 | 83.42 | 75.90 | a | 68.00 | 45.47 | 35.55 | 62.51 | |||||||||||
2016 | 37.68 | 48.10 | 46.97 | 60.97 | 63.77 | 75.76 | a | 83.28 | b | 85.90 | 74.10 | 56.81 | d | 49.53 | 37.77 | 60.05 | ||||||||||
2017 | 37.42 | 42.04 | a | 48.67 | a | 50.57 | 67.71 | 76.50 | b | 88.10 | b | 87.94 | 77.48 | c | 61.35 | 46.13 | 45.06 | 60.75 | ||||||||
2018 | 44.94 | 42.82 | 44.10 | 54.50 | 67.52 | 74.38 | a | 87.10 | 85.06 | 75.87 | 62.45 | 52.10 | 39.00 | 60.82 | ||||||||||||
2019 | 43.32 | 35.46 | 45.61 | 56.03 | 62.45 | 74.97 | 82.16 | 85.17 | a | 73.59 | c | 57.23 | 55.67 | 40.42 | 59.34 | |||||||||||
2020 | 39.52 | 48.21 | 47.42 | 58.27 | 65.03 | 73.86 | a | 85.48 | 86.16 | 81.57 | 69.65 | 48.57 | 42.97 | 62.22 | ||||||||||||
2021 | 40.87 | 41.39 | 47.13 | 60.73 | 67.39 | 81.97 | 90.87 | 85.06 | 77.76 | a | 58.32 | 51.33 | 38.90 | 61.81 | ||||||||||||
2022 | 45.97 | 48.29 | 53.71 | 50.37 | 60.43 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.75 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.99 | 43.94 | 47.91 | 55.49 | 64.93 | 73.99 | 86.36 | 84.99 | 77.88 | 62.89 | 49.03 | 40.10 | 60.83 | |||||||||||||
S.D. | 4.83 | 3.63 | 4.09 | 4.91 | 4.30 | 3.96 | 2.82 | 2.20 | 3.01 | 3.69 | 4.25 | 3.28 | 1.32 | |||||||||||||
SKEW | -0.14 | 0.08 | 0.45 | -0.13 | -0.26 | 0.19 | -0.37 | 0.53 | 0.17 | -0.15 | 0.64 | 0.16 | -0.60 | |||||||||||||
MAX | 50.74 | 52.04 | 57.19 | 64.43 | 74.62 | 81.97 | 90.87 | 91.53 | 83.93 | 69.84 | 61.20 | 46.84 | 62.51 | |||||||||||||
MIN | 31.00 | 35.46 | 40.32 | 46.70 | 55.65 | 66.72 | 80.58 | 80.00 | 73.59 | 56.23 | 41.54 | 33.77 | 58.09 | |||||||||||||
YRS | 31 | 32 | 32 | 33 | 32 | 30 | 32 | 33 | 32 | 31 | 30 | 31 | 23 |