YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | 55.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.03 | ----- | z | ----- | z | 69.03 | k | |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 82.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.45 | k | |
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 | 66.97 | ----- | z | ----- | z | 66.97 | k | |
1977 | ----- | z | ----- | z | ----- | z | 70.19 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.19 | k |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | 54.79 | 63.77 | 74.77 | ----- | z | ----- | z | ----- | z | 88.00 | 87.73 | 80.68 | 57.97 | 54.16 | 70.23 | d | ||||||||
1980 | 52.19 | 57.48 | 65.71 | 74.69 | a | 80.29 | 96.40 | ----- | z | 92.46 | c | 84.27 | 74.77 | ----- | z | ----- | z | 75.36 | c | |||||||
1981 | 56.06 | ----- | z | 62.84 | ----- | z | 82.81 | ----- | z | ----- | z | ----- | z | 81.86 | a | 71.42 | 67.33 | ----- | z | 70.39 | f | |||||
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 | 60.90 | 69.92 | d | 69.80 | a | 76.10 | 87.90 | 83.93 | b | 93.14 | c | 94.50 | a | 90.93 | 73.00 | 54.67 | 48.20 | a | 75.25 | |||||||
2001 | 47.00 | a | 58.46 | 57.81 | d | 78.13 | 82.39 | c | 91.63 | 96.52 | 91.40 | a | 84.67 | 78.10 | 64.23 | 57.33 | a | 73.97 | ||||||||
2002 | 57.00 | 56.50 | 64.39 | 75.21 | b | 81.90 | j | 89.10 | a | 90.00 | b | 93.17 | a | 85.63 | 68.00 | e | 60.07 | c | 53.94 | 72.09 | a | |||||
2003 | 58.53 | a | 56.46 | 68.74 | 79.95 | k | 82.48 | 84.13 | 93.00 | 93.19 | 82.46 | f | 78.61 | 60.89 | c | 61.12 | e | 73.72 | b | |||||||
2004 | 57.35 | 54.38 | 66.58 | 70.97 | 83.35 | 86.52 | a | 87.29 | c | 85.90 | 81.67 | 72.89 | c | 55.83 | 55.81 | 71.55 | ||||||||||
2005 | 56.47 | a | 56.61 | 63.68 | 73.67 | 77.61 | 88.90 | 88.65 | 86.83 | g | 87.93 | 74.29 | 66.50 | b | 56.52 | 71.89 | a | |||||||||
2006 | 63.90 | 60.19 | a | 66.77 | 80.55 | h | 85.10 | 91.50 | 94.03 | 89.97 | 78.41 | c | 71.47 | a | 65.61 | l | 55.43 | c | 75.68 | b | ||||||
2007 | 43.70 | a | 57.75 | 67.68 | 67.33 | 76.30 | h | 82.80 | 86.17 | a | 88.81 | 83.41 | a | 79.81 | 65.03 | 54.32 | 70.62 | a | ||||||||
2008 | 54.90 | 61.72 | 68.03 | 74.50 | 80.65 | 92.36 | e | 86.45 | b | 87.29 | 79.07 | 72.40 | a | 66.76 | a | 56.42 | 73.38 | |||||||||
2009 | 58.19 | 65.61 | 69.81 | 74.14 | a | 80.30 | d | 88.83 | 89.26 | 90.45 | 80.30 | 70.23 | 69.93 | 47.97 | 73.75 | |||||||||||
2010 | 51.65 | 47.64 | 62.89 | c | 72.90 | 78.45 | 90.70 | 83.77 | 89.97 | 85.43 | 77.65 | 66.13 | 59.81 | 72.25 | ||||||||||||
2011 | 55.97 | 56.68 | 71.42 | 80.47 | 83.32 | 96.87 | 96.29 | 97.55 | 84.67 | 76.39 | 64.37 | 45.74 | 75.81 | |||||||||||||
2012 | 60.74 | 56.38 | 73.16 | 81.13 | 85.23 | 90.57 | 92.61 | 92.19 | 85.10 | 73.00 | 71.37 | 58.55 | 76.67 | |||||||||||||
2013 | 53.48 | 57.04 | 67.77 | 73.60 | 83.81 | 91.13 | 87.65 | 89.61 | 86.93 | 76.32 | 61.33 | 52.90 | 73.47 | |||||||||||||
2014 | 55.81 | 55.71 | 66.71 | 76.07 | 81.52 | 87.37 | 87.39 | 90.23 | 79.07 | 78.03 | a | 58.00 | 54.35 | 72.52 | ||||||||||||
2015 | 47.65 | 57.21 | 63.65 | 74.77 | 74.68 | 86.67 | 90.55 | 91.81 | 88.10 | 74.32 | 63.57 | 56.23 | 72.43 | |||||||||||||
2016 | 52.77 | 62.90 | 70.94 | 74.47 | 78.94 | 89.53 | 97.45 | 88.87 | 82.53 | 79.55 | 67.40 | 53.39 | 74.89 | |||||||||||||
2017 | 53.68 | 65.29 | 72.48 | 74.27 | 81.71 | 90.93 | 91.81 | 85.06 | 82.27 | 73.94 | 67.40 | 55.65 | 74.54 | |||||||||||||
2018 | 53.48 | 59.54 | 69.58 | 73.47 | 90.29 | 95.17 | 93.16 | 91.52 | 82.10 | 68.29 | 57.77 | 51.06 | 73.79 | |||||||||||||
2019 | 54.42 | 58.68 | 60.52 | 73.10 | 77.19 | 87.30 | 93.58 | 96.06 | 88.40 | 69.58 | 58.80 | 57.65 | 72.94 | |||||||||||||
2020 | 56.94 | 53.72 | 66.23 | 73.33 | 86.61 | 91.77 | 97.45 | 96.32 | 82.93 | 73.94 | 68.83 | 56.35 | 75.37 | |||||||||||||
2021 | 50.81 | 48.89 | 67.00 | 70.60 | 79.16 | 89.37 | 88.68 | 90.35 | 89.53 | 79.39 | 66.57 | 66.48 | 73.90 | |||||||||||||
2022 | 52.71 | 53.82 | 67.52 | 79.10 | 90.13 | 93.40 | 100.00 | 91.52 | 87.83 | 72.58 | 59.23 | 54.29 | 75.18 | |||||||||||||
2023 | 57.61 | 58.14 | 68.87 | 74.47 | 82.19 | 90.87 | 95.58 | 97.81 | 90.93 | 75.58 | 64.97 | 58.55 | 76.30 | |||||||||||||
2024 | 49.97 | 63.17 | 68.16 | 74.25 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.43 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.59 | 57.95 | 66.88 | 74.46 | 82.34 | 89.91 | 91.69 | 91.36 | 84.68 | 74.15 | 63.40 | 55.29 | 74.10 | |||||||||||||
S.D. | 4.45 | 4.78 | 3.54 | 3.07 | 3.82 | 3.58 | 4.24 | 3.32 | 3.60 | 3.86 | 4.62 | 4.30 | 1.43 | |||||||||||||
SKEW | -0.35 | 0.29 | -0.48 | 0.18 | 0.33 | -0.04 | 0.08 | 0.25 | 0.02 | -0.07 | -0.24 | 0.04 | 0.07 | |||||||||||||
MAX | 63.90 | 69.92 | 73.16 | 81.13 | 90.29 | 96.87 | 100.00 | 97.81 | 90.93 | 80.68 | 71.37 | 66.48 | 76.67 | |||||||||||||
MIN | 43.70 | 47.64 | 57.81 | 67.33 | 74.68 | 82.80 | 83.77 | 85.06 | 78.41 | 66.97 | 54.67 | 45.74 | 71.55 | |||||||||||||
YRS | 27 | 27 | 28 | 25 | 25 | 25 | 24 | 25 | 26 | 29 | 25 | 25 | 19 |