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 | ----- | 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 | 52.84 | 32.37 | 24.19 | 36.47 | i | |||
1952 | 25.25 | c | 29.41 | 35.29 | 56.87 | 64.48 | 75.69 | a | 79.55 | 76.10 | a | 71.28 | a | 50.40 | a | 40.04 | e | 29.52 | 52.82 | |||||||
1953 | 26.52 | b | 25.86 | 36.73 | a | 45.13 | 66.71 | 76.17 | 78.87 | 79.07 | a | 67.27 | 62.71 | 43.60 | 28.39 | 53.08 | ||||||||||
1954 | 20.90 | a | 34.93 | 33.39 | 51.24 | a | 56.55 | 76.47 | 78.42 | 74.94 | 61.87 | 52.84 | 40.37 | 27.19 | 50.76 | |||||||||||
1955 | 22.74 | 25.57 | 35.07 | a | 58.50 | 72.26 | 75.73 | 84.32 | 80.87 | a | 67.30 | 56.97 | 33.63 | 22.42 | 52.95 | |||||||||||
1956 | 25.58 | 27.90 | 35.29 | 46.10 | 63.00 | a | 79.03 | 74.10 | a | 74.77 | 62.55 | a | 62.80 | a | 37.83 | 28.32 | 51.44 | |||||||||
1957 | 17.43 | a | 28.46 | 37.65 | 54.03 | 65.29 | 74.50 | 81.45 | 78.23 | 65.57 | 56.16 | 37.60 | 27.16 | 51.96 | ||||||||||||
1958 | 25.97 | 21.46 | 38.32 | 54.31 | a | 63.10 | 70.33 | 76.84 | 76.19 | 68.47 | 55.52 | 39.97 | 19.00 | 50.79 | ||||||||||||
1959 | 16.37 | a | 23.75 | 39.77 | 50.30 | 70.16 | 76.37 | 78.71 | 78.52 | 67.97 | 48.55 | 29.17 | 30.74 | 50.86 | ||||||||||||
1960 | 23.94 | 26.21 | 32.58 | 50.67 | 61.81 | 73.30 | 77.68 | 78.23 | 67.53 | 55.71 | 39.70 | 23.58 | 50.91 | |||||||||||||
1961 | 20.19 | 31.82 | 40.10 | 48.33 | 63.06 | 75.30 | 78.48 | 80.55 | 68.00 | 56.71 | 38.79 | b | 25.23 | 52.21 | ||||||||||||
1962 | 17.71 | 21.21 | 39.68 | 49.93 | 69.32 | 74.43 | 75.52 | 77.68 | 62.80 | 55.10 | 38.23 | 24.13 | 50.48 | |||||||||||||
1963 | 12.19 | 18.82 | 39.13 | 54.63 | 64.74 | 77.40 | 80.90 | 75.81 | 68.20 | 67.13 | 42.90 | 21.23 | 51.92 | |||||||||||||
1964 | 28.94 | 30.07 | 33.71 | 51.57 | 69.39 | 74.77 | 80.81 | 69.55 | 64.37 | 54.03 | 41.53 | 22.16 | 51.74 | |||||||||||||
1965 | 20.29 | 22.61 | 29.74 | 47.20 | 68.39 | 71.60 | 73.06 | 73.23 | 60.33 | 53.68 | 35.37 | 29.55 | 48.75 | |||||||||||||
1966 | 20.90 | a | 30.18 | 41.37 | a | 45.90 | 58.84 | 76.20 | 82.94 | 72.52 | 67.03 | 53.52 | 34.67 | 25.77 | 50.82 | |||||||||||
1967 | 24.35 | 18.96 | 38.39 | 51.13 | 59.42 | 74.23 | 75.48 | 72.58 | 68.13 | 50.77 | 33.07 | a | 27.42 | 49.50 | ||||||||||||
1968 | 21.16 | 22.83 | 42.42 | 53.63 | 62.10 | 71.50 | 76.42 | 75.84 | 66.97 | 56.65 | 36.63 | 25.06 | 50.93 | |||||||||||||
1969 | 22.81 | 28.75 | 35.26 | 52.57 | 65.68 | 65.47 | 76.00 | 81.65 | 67.83 | 50.06 | 39.13 | 27.55 | 51.06 | |||||||||||||
1970 | 18.94 | 25.85 | a | 34.94 | 50.93 | 60.06 | 77.03 | 80.84 | 78.36 | c | 66.57 | 58.13 | 36.93 | 26.81 | 51.28 | |||||||||||
1971 | 16.90 | 25.61 | 32.58 | 50.00 | 62.87 | a | 77.53 | 73.58 | 74.06 | 68.20 | 60.19 | 37.97 | 27.77 | 50.61 | ||||||||||||
1972 | 19.74 | 20.66 | 32.03 | 45.90 | 70.52 | 72.03 | 75.19 | 75.07 | c | 63.87 | 50.45 | b | 35.80 | 21.48 | 48.56 | |||||||||||
1973 | 29.16 | 27.61 | 43.39 | 50.43 | 58.03 | 74.03 | 78.35 | 76.90 | 66.07 | 62.45 | b | 36.80 | 25.39 | 52.38 | ||||||||||||
1974 | 20.97 | 25.64 | 34.52 | 51.53 | 61.10 | 70.53 | 80.39 | c | 73.90 | 62.20 | 54.48 | 39.73 | 31.32 | 50.53 | ||||||||||||
1975 | 23.97 | 27.25 | 32.90 | 45.20 | 71.52 | 73.63 | 78.48 | 75.39 | 62.57 | 59.13 | 44.03 | 26.06 | 51.68 | |||||||||||||
1976 | 20.35 | 34.19 | b | 35.03 | 55.03 | 63.39 | 78.73 | 80.35 | 81.00 | 69.73 | 50.42 | 32.03 | 17.52 | 51.48 | ||||||||||||
1977 | 13.32 | 26.43 | 43.16 | 58.67 | 75.90 | a | 71.67 | 80.68 | 70.23 | 63.37 | 56.87 | 40.62 | a | 24.29 | 52.10 | |||||||||||
1978 | 20.87 | 23.29 | 36.35 | 46.30 | 69.52 | 73.03 | 76.55 | 77.03 | 69.10 | 55.68 | 41.93 | c | 23.39 | 51.09 | ||||||||||||
1979 | 14.77 | 20.04 | a | 37.29 | 47.10 | 60.32 | 72.73 | 79.03 | 73.90 | 69.67 | 48.06 | 36.43 | 30.65 | 49.17 | ||||||||||||
1980 | 22.61 | 23.86 | 35.13 | 52.70 | 71.16 | 72.17 | a | 79.00 | 75.81 | 63.97 | 49.06 | 38.00 | 23.06 | 50.54 | ||||||||||||
1981 | 24.52 | 30.46 | 38.84 | 53.00 | 63.94 | 72.53 | 78.94 | 76.77 | 64.33 | 50.26 | 44.33 | 27.32 | 52.10 | |||||||||||||
1982 | 15.74 | 25.07 | a | 35.32 | 46.93 | 70.10 | 68.20 | 79.45 | 73.06 | 64.83 | 56.45 | 36.50 | 29.16 | 50.07 | ||||||||||||
1983 | 25.73 | a | 31.43 | 35.65 | 46.20 | 59.71 | 74.90 | 84.13 | 82.19 | 69.57 | 54.58 | 37.57 | 17.10 | a | 51.56 | |||||||||||
1984 | 20.71 | 35.69 | 32.48 | 54.67 | 62.65 | 75.72 | a | 77.97 | 78.45 | 63.60 | 56.23 | 38.93 | 27.83 | a | 52.08 | |||||||||||
1985 | 19.26 | 23.04 | 40.80 | a | 55.76 | a | 66.37 | a | 70.83 | 77.19 | d | 73.23 | 66.43 | 55.42 | 33.33 | 17.10 | a | 49.90 | ||||||||
1986 | 23.03 | 24.18 | 40.40 | a | 54.76 | a | 70.90 | 73.20 | 80.45 | 73.42 | 66.48 | a | 55.20 | a | 35.57 | 30.84 | 52.37 | |||||||||
1987 | 28.35 | 36.46 | 42.96 | c | 61.30 | 69.77 | a | 78.13 | 80.19 | 76.00 | 69.73 | 48.87 | 42.30 | 30.65 | 55.39 | |||||||||||
1988 | 21.21 | b | 22.52 | 36.48 | 54.03 | 73.94 | 80.96 | b | 84.55 | b | 78.39 | 66.70 | 48.33 | a | 36.67 | 25.81 | 52.47 | |||||||||
1989 | 29.45 | 20.71 | 32.53 | a | 50.24 | a | 66.03 | 71.10 | 81.13 | 75.63 | a | 69.04 | b | 55.23 | 33.20 | 17.26 | 50.13 | |||||||||
1990 | 32.65 | 30.64 | 42.62 | b | 56.07 | 61.71 | 74.43 | 76.97 | a | 76.77 | 67.93 | a | 54.03 | a | ----- | z | 26.23 | a | 54.55 | a | ||||||
1991 | 20.13 | a | 33.33 | a | 40.35 | 57.56 | c | 68.84 | 77.90 | 76.74 | ----- | z | 64.40 | 53.40 | a | 34.87 | 28.19 | 50.52 | a | |||||||
1992 | 25.19 | 29.76 | 35.65 | 47.83 | 69.52 | 71.87 | 71.29 | 73.06 | 66.77 | 52.68 | 34.80 | 26.45 | 50.41 | |||||||||||||
1993 | 24.14 | c | 27.32 | c | 42.17 | b | 47.63 | 64.16 | 71.69 | d | 78.37 | a | 79.00 | a | 63.63 | 54.23 | a | 37.85 | d | 28.84 | 51.59 | |||||
1994 | 14.14 | b | 20.93 | 40.97 | b | 51.92 | e | 69.13 | 75.68 | h | ----- | z | 69.87 | a | 67.12 | d | 56.96 | f | 39.36 | e | 30.92 | f | 46.68 | d | ||
1995 | 24.03 | a | 22.91 | f | 38.83 | b | 42.26 | c | 60.35 | e | 76.78 | c | 76.12 | g | 77.15 | d | 63.52 | c | 53.48 | b | 29.11 | c | 23.45 | 48.90 | b | |
1996 | 20.45 | 25.79 | 34.84 | f | 45.75 | f | 61.96 | c | 75.14 | b | 71.65 | e | 78.11 | c | 67.73 | d | 58.23 | e | 33.11 | b | 26.30 | a | 51.85 | b | ||
1997 | 21.55 | b | 29.96 | a | 36.11 | d | 50.19 | c | 58.07 | b | 78.73 | d | 79.75 | c | 73.93 | d | 69.47 | m | 47.44 | o | 36.77 | 32.15 | d | 49.72 | b | |
1998 | 25.94 | 39.85 | b | 36.90 | b | 57.24 | a | 75.16 | f | 72.00 | c | 80.03 | 81.15 | d | 75.48 | c | 58.72 | b | 41.83 | 33.87 | a | 54.82 | a | |||
1999 | 21.10 | a | 34.38 | d | 42.03 | a | 55.28 | a | 68.30 | d | 77.03 | 81.90 | 76.62 | b | 69.47 | 52.76 | b | 47.50 | b | 27.10 | 54.45 | |||||
2000 | 20.90 | 31.04 | a | 43.83 | a | 48.48 | c | 68.29 | c | 71.79 | a | 77.97 | b | 76.97 | b | 66.21 | b | 61.03 | a | 40.32 | b | 19.40 | f | 55.17 | a | |
2001 | 31.18 | c | 23.56 | j | 39.05 | j | 57.25 | j | 67.21 | c | 75.20 | e | 79.11 | d | 80.46 | c | 67.35 | d | 55.21 | g | 50.00 | n | 38.00 | s | 66.75 | f |
2002 | 33.20 | k | 34.31 | l | 30.55 | k | 50.40 | j | 60.36 | f | 76.76 | i | 83.57 | j | 77.79 | c | 69.86 | h | 50.52 | j | 38.59 | m | 34.47 | n | 77.79 | k |
2003 | 28.00 | q | 27.88 | k | 34.88 | o | 54.24 | m | 66.88 | g | 76.00 | c | 80.36 | f | 80.86 | i | ----- | z | 58.05 | k | 39.13 | o | 32.67 | p | 76.00 | k |
2004 | 13.60 | p | 29.95 | j | 39.00 | b | 49.46 | f | 59.88 | f | 69.56 | c | 73.07 | b | 69.59 | b | 71.54 | b | 52.58 | g | 39.73 | d | 23.07 | c | 55.08 | e |
2005 | 18.75 | c | 28.54 | 34.79 | c | 55.64 | b | 60.63 | d | 76.53 | 78.76 | b | 75.48 | b | 71.79 | b | 56.33 | a | 37.26 | c | 23.96 | c | 51.54 | |||
2006 | 29.89 | c | 24.36 | c | 38.28 | b | 55.11 | c | 63.53 | a | 72.97 | 80.93 | c | 75.03 | a | 64.10 | a | 48.52 | 40.17 | 30.13 | 51.92 | |||||
2007 | 23.48 | 17.07 | 37.65 | 46.20 | 66.73 | a | 77.55 | a | 77.29 | 77.48 | 67.83 | 57.87 | 35.43 | 23.19 | 50.65 | |||||||||||
2008 | 22.26 | 21.38 | 29.85 | e | ----- | z | ----- | z | ----- | z | ----- | z | 74.58 | 68.28 | a | ----- | z | 36.64 | b | 20.14 | c | 39.02 | e | |||
2009 | 15.52 | 26.10 | h | 35.00 | r | 45.58 | k | 60.55 | 69.70 | 71.11 | v | ----- | z | ----- | z | 44.15 | k | 44.92 | d | 22.45 | 42.63 | g | ||||
2010 | 23.19 | 26.61 | 45.93 | c | 63.50 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.91 | i | ||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.40 | 59.84 | 39.15 | c | 32.29 | q | 55.46 | i | ||
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.10 | 26.79 | 37.44 | 51.45 | 65.30 | 74.22 | 78.46 | 76.15 | 66.73 | 54.98 | 37.89 | 25.65 | 51.34 | |||||||||||||
S.D. | 4.49 | 5.00 | 3.77 | 4.27 | 4.56 | 3.03 | 2.99 | 3.03 | 2.86 | 4.20 | 3.77 | 3.97 | 1.32 | |||||||||||||
SKEW | 0.08 | 0.36 | 0.10 | 0.06 | 0.15 | -0.31 | -0.33 | -0.18 | 0.21 | 0.44 | 0.01 | -0.39 | 0.51 | |||||||||||||
MAX | 32.65 | 39.85 | 45.93 | 61.30 | 75.90 | 80.96 | 84.55 | 82.19 | 75.48 | 67.13 | 47.50 | 33.87 | 55.39 | |||||||||||||
MIN | 12.19 | 17.07 | 29.74 | 42.26 | 56.55 | 65.47 | 71.29 | 69.55 | 60.33 | 48.06 | 29.11 | 17.10 | 48.56 | |||||||||||||
YRS | 56 | 53 | 54 | 51 | 53 | 55 | 52 | 55 | 55 | 52 | 56 | 54 | 44 |