YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.23 | r | 55.00 | 34.61 | 44.81 | j | ||
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 | ----- | 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 | 86.39 | 66.13 | 69.77 | 54.43 | 49.50 | a | 65.25 | g | ||||
1987 | 40.43 | a | 48.82 | 47.87 | 64.93 | 67.87 | 79.23 | 74.87 | 80.55 | 77.00 | 68.45 | 48.70 | 37.32 | 61.34 | ||||||||||||
1988 | 33.46 | c | 46.07 | 40.43 | a | 49.79 | a | 58.94 | 65.67 | 78.13 | 78.13 | 69.87 | 70.87 | 40.77 | 38.23 | 55.86 | ||||||||||
1989 | 37.94 | 30.22 | a | 40.97 | a | 54.27 | 57.77 | 72.87 | 71.19 | 71.03 | 70.52 | a | 54.94 | 46.69 | a | 48.68 | 54.76 | |||||||||
1990 | 37.68 | 34.68 | 45.74 | 58.13 | 59.81 | 66.23 | 82.60 | a | 76.13 | 75.83 | 58.00 | 43.20 | 30.65 | 55.72 | ||||||||||||
1991 | 41.61 | 49.79 | 41.60 | a | 45.63 | 53.55 | 66.10 | 86.45 | 85.13 | 80.97 | 63.33 | a | 44.47 | 39.35 | 58.17 | |||||||||||
1992 | 40.94 | 45.10 | 55.16 | 55.53 | 76.23 | 73.93 | 74.74 | 82.06 | 72.77 | 64.32 | 43.00 | 32.03 | 59.65 | |||||||||||||
1993 | 32.00 | 36.64 | 48.32 | 46.76 | a | 66.48 | 64.87 | 66.77 | a | 75.32 | 75.17 | 60.10 | 45.17 | 41.06 | 54.89 | |||||||||||
1994 | 43.39 | 39.86 | 50.87 | 55.17 | 61.68 | 67.03 | 83.26 | 76.87 | 71.50 | 55.45 | 35.52 | a | 35.68 | 56.36 | ||||||||||||
1995 | 37.07 | a | 48.23 | b | 43.23 | 48.17 | 60.32 | 63.30 | 75.13 | 71.52 | 70.43 | 54.03 | 47.62 | a | 37.61 | 54.72 | ||||||||||
1996 | 36.13 | 39.59 | 46.52 | 51.37 | 55.26 | 69.30 | 81.16 | 80.32 | 65.93 | 52.61 | 42.45 | a | 36.23 | 54.74 | ||||||||||||
1997 | 37.26 | 40.68 | 43.23 | 47.26 | c | 61.90 | k | 65.80 | o | 77.22 | m | 78.62 | o | 69.36 | p | 55.06 | n | 44.21 | a | 37.00 | b | 41.60 | f | |||
1998 | 38.65 | 39.57 | g | 45.26 | 54.78 | l | 52.22 | v | 67.28 | l | 84.56 | m | 84.68 | l | 76.38 | n | 59.54 | r | 40.33 | o | 33.70 | h | 41.95 | j | ||
1999 | 38.67 | j | 36.33 | d | 42.17 | m | 46.29 | i | 44.08 | s | 65.44 | l | 78.36 | t | 77.27 | p | 77.90 | t | 57.50 | y | 50.71 | m | 38.93 | p | 36.33 | k |
2000 | 35.59 | i | 41.82 | l | 44.13 | p | 57.93 | p | 55.44 | m | 71.58 | k | 75.00 | s | 81.11 | l | 71.53 | o | 53.82 | n | 36.17 | r | 38.00 | l | ----- | z |
2001 | 40.00 | n | 39.65 | k | 46.80 | k | 49.61 | l | 65.06 | m | 65.44 | n | 73.56 | o | 80.25 | o | 71.31 | n | 55.67 | v | 44.73 | s | 35.17 | g | ----- | z |
2002 | 35.24 | j | 43.90 | h | 42.32 | i | 54.87 | o | 56.00 | n | 73.00 | k | 84.07 | q | 77.44 | m | 72.53 | o | 55.70 | u | 50.53 | m | 41.50 | m | ----- | z |
2003 | 42.24 | n | 37.00 | j | 44.06 | m | 43.11 | k | ----- | z | 75.27 | o | 83.50 | m | 79.78 | m | 73.70 | t | 61.21 | l | 34.62 | v | 38.59 | n | ----- | z |
2004 | 38.65 | k | 40.37 | j | 50.56 | o | 58.53 | k | 58.88 | o | 69.19 | n | 81.35 | n | 76.00 | r | 68.71 | p | 54.67 | p | 49.22 | l | 43.88 | o | ----- | z |
2005 | 39.26 | l | 42.15 | o | 49.20 | k | 49.06 | m | 57.07 | q | 60.35 | m | 80.27 | p | 78.58 | l | 73.06 | n | 65.09 | t | 45.77 | q | 39.47 | l | ----- | z |
2006 | 37.63 | l | 41.18 | k | 40.52 | j | 50.65 | g | ----- | z | 71.22 | l | 79.36 | t | 75.59 | n | 67.22 | g | 56.10 | 40.20 | 38.97 | 45.09 | i | |||
2007 | 37.26 | 41.29 | 48.97 | a | 49.23 | 59.84 | 65.13 | 76.77 | 72.94 | 63.97 | 50.61 | 46.97 | 35.07 | a | 54.00 | |||||||||||
2008 | 33.17 | a | 40.21 | 41.16 | 43.27 | 54.19 | 62.90 | a | 77.06 | 75.32 | 70.13 | 58.52 | 48.76 | a | 37.55 | 53.52 | ||||||||||
2009 | 39.84 | 41.64 | 38.16 | 46.40 | 60.39 | 65.57 | 79.26 | 74.84 | 71.87 | 50.19 | 41.50 | 33.74 | 53.62 | |||||||||||||
2010 | 40.68 | 42.39 | 44.76 | b | 45.50 | 50.39 | 60.03 | 76.19 | 73.97 | 62.97 | 56.16 | 38.83 | 34.81 | 52.22 | ||||||||||||
2011 | 39.68 | 35.86 | 38.68 | 41.63 | 48.29 | 61.10 | 69.35 | 76.61 | 73.14 | a | 54.61 | 39.21 | a | 42.55 | 51.73 | |||||||||||
2012 | 39.13 | 38.17 | 39.81 | 49.46 | b | 59.06 | 60.33 | 74.45 | 79.65 | 75.17 | 55.94 | 43.67 | 32.94 | 53.98 | ||||||||||||
2013 | 38.80 | a | 39.14 | 44.77 | 49.20 | 58.42 | 64.50 | b | 81.43 | j | 75.10 | 64.23 | 54.59 | b | 44.83 | 37.58 | 51.92 | a | ||||||||
2014 | 45.87 | 35.32 | 45.52 | 50.77 | 60.00 | 63.70 | 79.42 | 77.19 | 71.17 | 60.06 | 42.70 | 39.61 | 55.94 | |||||||||||||
2015 | 46.26 | 48.21 | 53.53 | a | 49.90 | 59.90 | 76.17 | 77.97 | 78.80 | a | 66.33 | 62.87 | 40.77 | 36.20 | f | 60.06 | a | |||||||||
2016 | 37.45 | k | 44.57 | a | 42.27 | a | 57.83 | 59.96 | e | 63.43 | i | 72.29 | 77.94 | 65.03 | 49.84 | 47.77 | 31.23 | 54.87 | b | |||||||
2017 | 34.67 | a | 36.00 | 41.55 | 45.23 | 59.84 | 66.67 | 80.26 | 82.60 | a | 69.37 | 53.32 | 40.90 | a | 39.07 | a | 54.12 | |||||||||
2018 | 40.45 | 37.87 | e | 41.30 | a | 49.07 | b | 63.74 | h | 66.93 | c | 79.54 | c | 76.71 | 65.83 | l | 57.26 | d | 46.13 | 35.74 | 53.10 | b | ||||
2019 | 40.97 | 31.04 | 40.39 | 49.50 | 59.94 | 67.63 | 72.26 | 77.45 | 63.10 | a | 50.14 | b | 49.93 | 39.00 | 53.45 | |||||||||||
2020 | 35.87 | 41.17 | 42.19 | 51.63 | 58.55 | 64.96 | g | 74.84 | 77.71 | 73.03 | 61.23 | a | 42.37 | 38.55 | 54.29 | a | ||||||||||
2021 | 39.13 | 34.36 | 43.90 | 53.83 | 58.32 | 73.40 | 81.97 | 77.58 | 68.83 | 52.45 | 45.47 | 35.65 | 55.41 | |||||||||||||
2022 | 42.94 | 42.46 | 46.23 | 42.10 | 50.68 | 63.70 | 79.87 | 82.39 | 72.00 | 65.16 | 38.90 | 35.16 | 55.13 | |||||||||||||
2023 | 36.65 | 37.39 | 35.61 | 45.10 | 63.26 | 68.67 | 79.39 | 77.74 | 64.53 | 56.52 | 46.70 | 42.83 | y | 55.60 | a | |||||||||||
2024 | 37.33 | a | 39.55 | 42.32 | 49.52 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.74 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.80 | 40.09 | 44.01 | 49.88 | 59.19 | 67.00 | 77.12 | 77.79 | 70.04 | 57.84 | 44.41 | 37.42 | 55.21 | |||||||||||||
S.D. | 3.42 | 5.06 | 4.41 | 5.26 | 5.63 | 4.85 | 4.53 | 3.69 | 4.65 | 5.89 | 4.36 | 4.28 | 2.27 | |||||||||||||
SKEW | 0.19 | 0.18 | 0.67 | 0.82 | 0.71 | 0.87 | -0.26 | 0.42 | 0.24 | 0.67 | 0.48 | 1.15 | 1.13 | |||||||||||||
MAX | 46.26 | 49.79 | 55.16 | 64.93 | 76.23 | 79.23 | 86.45 | 86.39 | 80.97 | 70.87 | 55.00 | 49.50 | 61.34 | |||||||||||||
MIN | 32.00 | 30.22 | 35.61 | 41.63 | 48.29 | 60.03 | 66.77 | 71.03 | 62.97 | 49.84 | 35.52 | 30.65 | 51.73 | |||||||||||||
YRS | 29 | 30 | 30 | 28 | 26 | 25 | 26 | 28 | 27 | 29 | 31 | 29 | 21 |