YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.36 | e | 70.06 | n | 60.05 | k | 44.00 | i | 88.36 | k |
1954 | 50.71 | j | 62.35 | k | 60.35 | h | 76.57 | g | 83.75 | k | 91.59 | h | 95.86 | i | 90.27 | i | 85.95 | i | 76.41 | i | 63.75 | j | 48.59 | i | ----- | z |
1955 | 44.55 | i | 52.11 | i | 64.00 | h | 67.93 | o | 72.24 | n | 88.50 | h | 90.00 | j | 89.12 | g | 87.27 | h | 76.57 | j | 61.10 | j | 53.52 | j | ----- | z |
1956 | 53.71 | j | 48.30 | i | 63.36 | i | 70.57 | i | 84.77 | i | 94.71 | i | 92.67 | j | 89.96 | h | 90.00 | k | 75.13 | h | 55.90 | j | 52.06 | m | ----- | z |
1957 | 49.77 | i | 59.84 | i | 60.27 | i | 67.50 | h | 73.81 | j | 89.85 | j | 93.05 | i | 88.82 | i | 84.30 | j | 69.65 | h | 51.11 | l | 50.70 | k | ----- | z |
1958 | 46.81 | j | 54.20 | h | 52.67 | j | 66.87 | g | 82.86 | b | 93.03 | 95.08 | f | 93.33 | j | 83.24 | i | 70.57 | h | 59.83 | l | 56.05 | j | 87.95 | j | |
1959 | 48.00 | k | 52.65 | h | 60.09 | i | 69.00 | h | 79.81 | j | 91.41 | h | 93.68 | i | 88.14 | j | 81.57 | i | 71.29 | j | 57.95 | k | 48.77 | i | ----- | z |
1960 | 43.84 | l | 45.74 | j | 61.22 | h | 75.15 | j | 78.30 | k | 91.41 | h | 91.63 | l | 91.22 | h | 86.30 | j | 69.75 | k | 59.30 | j | 44.35 | k | ----- | z |
1961 | 47.67 | j | 54.05 | i | 61.27 | i | 70.74 | k | 82.36 | i | 90.91 | g | 94.14 | i | 89.17 | h | 80.95 | j | 72.95 | i | 52.61 | l | 44.11 | l | ----- | z |
1962 | 43.82 | i | 56.11 | i | 57.23 | i | 75.33 | i | 81.52 | f | 89.90 | j | 90.86 | j | 93.04 | h | 84.05 | k | 73.39 | h | 60.90 | j | 52.26 | l | ----- | z |
1963 | 44.73 | i | 54.63 | i | 60.90 | j | 74.19 | i | 83.77 | i | 89.35 | j | 95.91 | i | 89.41 | i | 85.55 | j | 77.83 | h | 60.06 | l | 51.52 | j | ----- | z |
1964 | 45.32 | i | 41.00 | j | 56.27 | i | 70.09 | h | 80.70 | k | 88.23 | h | 93.64 | i | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | 76.50 | 81.45 | ----- | z | 90.87 | 90.84 | 80.62 | a | 68.97 | 55.80 | 44.61 | 73.71 | d | |||||||
2003 | 55.57 | a | 51.93 | 59.13 | 70.10 | 81.39 | 89.20 | 98.48 | 92.71 | 84.63 | 77.87 | 58.36 | b | 51.16 | 72.54 | |||||||||||
2004 | 49.11 | c | 47.71 | a | 67.06 | 67.86 | a | 80.97 | 89.63 | 91.61 | 88.94 | 81.27 | 69.45 | 55.17 | 47.71 | 69.71 | ||||||||||
2005 | 52.00 | a | 51.96 | b | 55.77 | a | ----- | z | 79.77 | a | 89.79 | a | 96.60 | a | 91.35 | 85.60 | 70.00 | a | 60.47 | 52.63 | l | 73.33 | b | |||
2006 | 53.29 | 56.86 | 61.43 | a | 71.14 | b | 84.10 | 93.53 | 93.42 | 86.07 | a | 78.10 | 70.80 | a | 64.22 | c | 49.78 | h | 73.91 | a | ||||||
2007 | 40.58 | 51.26 | a | 64.67 | a | 65.63 | 75.65 | 89.70 | 94.94 | 94.87 | 85.67 | 75.60 | a | 62.40 | 45.16 | 70.51 | ||||||||||
2008 | 42.81 | 50.14 | 62.52 | 68.53 | 75.94 | 91.93 | 89.81 | 89.68 | 82.73 | 70.97 | 58.83 | 47.16 | 69.25 | |||||||||||||
2009 | ----- | z | 57.36 | 61.42 | 72.28 | a | 81.00 | 83.83 | 93.81 | ----- | z | 80.67 | 70.29 | ----- | z | 41.71 | 71.37 | c | ||||||||
2010 | 44.71 | ----- | z | ----- | z | 69.03 | ----- | z | 92.13 | 91.68 | ----- | z | ----- | z | ----- | z | 56.79 | a | 52.03 | 67.73 | f | |||||
2011 | 45.06 | 49.07 | 65.61 | 70.97 | 74.71 | 91.70 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.19 | f | ||||||
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.83 | s | 92.32 | 84.43 | 74.65 | 61.90 | 48.31 | b | 72.32 | g | ||||
2013 | 42.18 | c | 50.04 | 63.03 | 69.87 | 79.13 | 93.90 | 90.42 | 88.84 | 80.97 | 68.35 | 54.43 | 45.77 | 68.91 | ||||||||||||
2014 | 50.52 | 56.64 | 61.68 | 69.13 | 76.81 | 91.57 | 92.32 | 86.16 | 84.57 | 74.00 | 56.97 | 48.71 | c | 70.76 | ||||||||||||
2015 | 46.39 | 55.36 | 64.23 | 68.97 | 72.71 | 90.90 | 89.06 | 91.23 | 86.10 | 72.13 | 56.63 | 45.61 | 69.94 | |||||||||||||
2016 | 44.68 | 57.41 | 65.10 | 67.50 | 76.32 | 93.40 | 96.53 | a | 86.65 | 83.63 | 76.19 | 60.20 | 48.35 | 71.33 | ||||||||||||
2017 | 47.03 | a | 57.68 | 68.55 | 68.76 | a | 77.23 | 92.87 | 93.00 | f | 88.94 | 84.30 | 71.32 | 65.17 | 53.61 | 70.50 | a | |||||||||
2018 | 51.84 | 56.07 | 60.21 | g | 73.33 | 84.19 | 93.50 | 93.61 | 90.93 | b | 85.67 | 67.58 | 55.50 | 46.68 | 72.63 | a | ||||||||||
2019 | 43.87 | 49.93 | 61.61 | 69.40 | 73.55 | 88.17 | 95.00 | a | 93.05 | k | 86.10 | 68.23 | 56.33 | 46.61 | 67.16 | a | ||||||||||
2020 | 47.10 | 49.83 | 62.16 | 70.50 | 83.80 | a | 91.53 | 94.52 | ----- | z | 84.24 | a | 74.90 | 61.83 | 45.74 | 69.65 | a | |||||||||
2021 | 47.90 | a | 51.96 | 60.74 | 70.12 | n | 80.84 | 92.55 | a | 91.55 | b | 90.42 | 87.27 | 69.79 | b | 64.70 | c | 54.19 | d | 71.99 | a | |||||
2022 | 49.68 | 49.54 | b | 60.48 | 72.43 | 81.83 | h | 88.41 | a | ----- | z | 87.50 | c | 86.24 | a | 67.06 | 54.17 | 48.75 | c | 66.43 | b | |||||
2023 | 45.88 | g | 49.93 | 54.45 | 67.61 | b | 79.67 | a | 87.68 | e | 99.27 | a | 92.10 | 84.44 | c | 75.13 | 58.20 | 49.53 | a | 72.55 | a | |||||
2024 | 46.32 | 54.69 | 58.86 | b | 69.75 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.29 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.40 | 52.77 | 62.03 | 69.98 | 79.10 | 90.90 | 93.53 | 89.97 | 84.08 | 71.66 | 58.90 | 47.97 | 70.37 | |||||||||||||
S.D. | 4.01 | 3.35 | 3.52 | 2.47 | 3.54 | 2.50 | 2.91 | 2.47 | 2.54 | 3.19 | 3.51 | 3.15 | 1.18 | |||||||||||||
SKEW | 0.29 | 0.25 | -0.30 | 0.83 | -0.21 | -1.08 | 0.40 | -0.02 | -0.63 | 0.36 | 0.41 | 0.33 | 0.59 | |||||||||||||
MAX | 55.57 | 57.68 | 68.55 | 76.50 | 84.19 | 93.90 | 99.27 | 94.87 | 88.36 | 77.87 | 65.17 | 54.19 | 72.54 | |||||||||||||
MIN | 40.58 | 47.71 | 54.45 | 65.63 | 72.71 | 83.83 | 89.06 | 86.07 | 78.10 | 67.06 | 54.17 | 41.71 | 68.91 | |||||||||||||
YRS | 19 | 20 | 19 | 19 | 20 | 21 | 18 | 17 | 21 | 20 | 20 | 19 | 8 |