YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 26.88 | o | ----- | 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 | ----- | 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 | 65.94 | l | 70.52 | 34.50 | 26.61 | 43.88 | i | |||
1948 | 19.48 | 25.86 | ----- | z | 60.53 | 70.19 | 79.20 | 83.94 | 85.42 | 79.50 | 59.26 | d | 40.83 | 28.23 | 57.50 | a | ||||||||||
1949 | 25.97 | 27.54 | 36.81 | 58.77 | 73.35 | 83.60 | 85.42 | 84.23 | 68.50 | 64.45 | 41.07 | 29.23 | 56.58 | |||||||||||||
1950 | 23.74 | 26.54 | 33.10 | 43.47 | 67.77 | 77.90 | 79.55 | 76.48 | 70.93 | 64.77 | 38.28 | e | 21.03 | 51.96 | ||||||||||||
1951 | 20.10 | 26.71 | 33.06 | 48.87 | 72.06 | 72.03 | 79.00 | a | 74.10 | 66.30 | 56.35 | 33.17 | 24.48 | 50.52 | ||||||||||||
1952 | 24.65 | 30.59 | 34.45 | 58.40 | 66.10 | 76.83 | 81.42 | 76.90 | 71.97 | 55.13 | 43.57 | 30.03 | 54.17 | |||||||||||||
1953 | 26.61 | 26.93 | 36.32 | 48.76 | a | 67.55 | 79.03 | 80.10 | 79.90 | 71.77 | 67.10 | 48.30 | 30.19 | 55.21 | ||||||||||||
1954 | 22.84 | 37.00 | 35.87 | 54.97 | 60.77 | 77.67 | 79.90 | 75.58 | 66.67 | 55.29 | 42.85 | c | 28.39 | 53.15 | ||||||||||||
1955 | 22.26 | 26.21 | 34.77 | 59.73 | 70.13 | 75.00 | 85.58 | 83.77 | 71.87 | 59.03 | 35.83 | a | 23.06 | 53.94 | ||||||||||||
1956 | 25.71 | 27.00 | 33.74 | 48.80 | 64.71 | 78.47 | 75.26 | 76.32 | 66.66 | a | 65.03 | 39.34 | a | 29.42 | 52.54 | |||||||||||
1957 | 17.61 | 29.46 | 39.16 | 54.07 | 63.71 | 74.67 | 81.10 | 77.52 | 67.17 | 56.13 | 38.73 | 30.07 | a | 52.45 | ||||||||||||
1958 | 27.61 | 24.26 | a | 37.57 | h | ----- | z | 74.18 | i | 73.43 | 80.19 | 82.13 | 71.60 | 62.81 | 43.20 | 22.16 | 54.16 | c | ||||||||
1959 | 18.16 | 24.18 | 38.00 | 55.37 | 73.71 | 79.72 | a | 82.00 | 83.10 | 73.17 | 51.84 | 32.28 | a | 34.00 | 53.79 | |||||||||||
1960 | 25.74 | 29.79 | 32.55 | 56.57 | 66.94 | 75.83 | 82.10 | 82.03 | 73.30 | 59.45 | 45.83 | 27.45 | 54.80 | |||||||||||||
1961 | 25.42 | 36.71 | 41.68 | 51.60 | 68.84 | 79.80 | 82.65 | 81.77 | 72.23 | 61.33 | a | 42.00 | 25.60 | a | 55.80 | |||||||||||
1962 | 20.06 | 23.71 | 38.10 | 54.67 | 72.26 | 77.17 | 79.13 | 82.71 | 68.60 | 60.81 | 43.87 | 29.16 | 54.19 | |||||||||||||
1963 | 13.90 | 23.25 | 43.10 | 61.67 | 67.87 | 82.40 | 85.23 | 80.03 | 73.17 | 71.29 | 48.40 | 23.10 | 56.12 | |||||||||||||
1964 | 31.48 | 34.45 | 39.23 | 58.53 | 75.19 | 80.63 | 85.74 | 77.26 | 69.77 | 58.68 | 47.93 | 24.35 | 56.94 | |||||||||||||
1965 | 23.23 | 26.96 | 33.16 | 50.23 | 73.84 | 77.17 | 80.77 | 78.39 | 67.27 | 61.32 | 43.23 | 34.35 | 54.16 | |||||||||||||
1966 | 19.68 | 29.21 | 43.68 | 52.13 | 65.71 | 80.90 | 86.29 | 78.68 | 72.33 | 60.16 | 40.87 | 28.90 | 54.88 | |||||||||||||
1967 | 27.74 | 24.25 | 40.32 | 55.70 | 64.39 | 77.40 | 80.61 | 78.06 | 72.10 | 57.06 | 38.31 | a | 30.00 | 53.83 | ||||||||||||
1968 | 25.16 | 26.93 | 50.58 | 59.07 | 66.39 | 77.40 | 81.94 | 82.00 | 71.83 | 61.52 | 41.50 | 28.35 | 56.06 | |||||||||||||
1969 | 23.26 | 30.96 | 36.61 | 58.60 | 71.61 | 69.40 | 81.39 | 84.81 | 71.63 | 55.06 | 41.80 | 29.35 | 54.54 | |||||||||||||
1970 | 18.87 | 28.52 | a | 36.71 | 57.37 | 69.77 | 80.27 | 85.19 | 83.03 | 71.37 | 61.26 | 40.27 | 28.32 | 55.08 | ||||||||||||
1971 | 18.48 | 26.79 | 35.26 | 57.90 | 67.65 | 82.77 | 78.97 | 79.10 | 74.00 | 64.65 | 43.27 | 31.39 | 55.02 | |||||||||||||
1972 | 21.29 | 25.83 | 35.58 | 50.45 | a | 75.06 | 78.57 | 79.71 | 79.45 | 69.73 | 56.39 | 39.10 | 25.10 | 53.02 | ||||||||||||
1973 | 29.80 | a | 30.30 | a | 48.77 | 52.60 | 63.39 | 80.07 | 84.45 | 82.26 | 72.27 | 66.45 | 42.30 | 26.90 | 56.63 | |||||||||||
1974 | 25.33 | a | 29.14 | 39.07 | a | 59.73 | 65.42 | 76.20 | 86.06 | 80.77 | 68.80 | 61.86 | c | 44.67 | 32.68 | 55.81 | ||||||||||
1975 | 27.23 | 29.14 | 35.77 | 48.73 | 74.74 | 77.97 | 84.94 | 82.13 | 68.33 | 65.38 | b | 49.70 | 28.70 | a | 56.06 | |||||||||||
1976 | 23.00 | 34.83 | 29.75 | w | ----- | z | ----- | z | ----- | z | 87.61 | 82.93 | b | 74.66 | a | 55.68 | 39.35 | d | 23.65 | h | 56.86 | e | ||||
1977 | 15.00 | b | 30.54 | b | 46.60 | a | 64.87 | 80.13 | 76.17 | 81.50 | q | ----- | z | 68.20 | y | 60.26 | 41.28 | a | 26.31 | b | 49.02 | c | ||||
1978 | 20.00 | a | 24.04 | 39.65 | 52.73 | 72.67 | d | 78.60 | e | 79.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.43 | e | ||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.07 | a | 55.21 | b | 38.87 | 33.61 | 49.69 | h | ||
1980 | 22.74 | 27.60 | n | 38.67 | m | 57.04 | b | 71.55 | 75.69 | a | 82.29 | 76.58 | 68.47 | 55.58 | l | 44.04 | c | 25.89 | c | 58.25 | c | |||||
1981 | 26.15 | d | 30.74 | a | 44.94 | 59.30 | 67.58 | 75.37 | 80.71 | 77.90 | a | 68.30 | 53.16 | 46.07 | 27.29 | 54.79 | ||||||||||
1982 | 16.50 | a | 25.36 | c | 35.81 | 50.83 | 72.83 | a | 71.45 | a | 81.32 | c | 76.35 | 68.07 | b | 58.32 | c | 39.61 | b | 31.87 | 52.36 | |||||
1983 | 27.76 | b | 33.50 | 39.45 | b | 49.90 | 60.53 | a | 77.03 | 84.17 | a | 83.06 | 70.50 | 56.83 | a | 43.03 | a | 17.63 | a | 53.62 | ||||||
1984 | 19.93 | b | 32.79 | 31.06 | 52.89 | c | 65.41 | b | 77.43 | 79.40 | a | 80.48 | 68.89 | k | 53.54 | r | 42.43 | 32.23 | 51.41 | b | ||||||
1985 | 21.37 | a | 25.89 | 43.87 | 61.13 | 73.07 | a | 74.43 | 79.37 | a | 75.39 | c | 64.96 | d | 56.87 | a | 32.93 | b | 18.00 | a | 52.27 | |||||
1986 | 25.77 | 26.59 | a | 42.16 | 60.83 | a | 70.35 | 76.47 | 80.77 | 73.27 | p | 69.22 | u | 53.69 | r | 37.60 | 28.65 | 49.91 | c | |||||||
1987 | 28.55 | 37.00 | a | 44.94 | 64.47 | 71.71 | 80.70 | 78.45 | 76.10 | 71.03 | 50.74 | 43.33 | 31.67 | a | 56.56 | |||||||||||
1988 | 20.52 | 24.89 | a | 39.35 | 55.69 | a | 74.11 | c | 83.76 | a | 85.70 | a | 82.17 | b | 70.89 | b | 51.28 | b | 40.34 | a | 27.17 | a | 54.66 | |||
1989 | 30.81 | 21.85 | a | 33.30 | a | 51.93 | 67.37 | a | 74.40 | 80.45 | b | 78.52 | 70.29 | b | 59.41 | d | 37.21 | a | 17.00 | 51.88 | ||||||
1990 | 33.55 | 31.71 | 42.07 | c | 58.03 | 64.58 | g | 76.93 | a | 78.48 | 77.23 | 70.47 | 56.32 | 48.00 | 26.65 | 54.49 | a | |||||||||
1991 | 20.87 | 31.36 | 41.74 | 59.47 | 70.77 | a | 80.22 | g | 79.07 | c | 79.10 | 67.23 | 57.23 | a | 35.07 | a | 29.03 | a | 51.90 | a | ||||||
1992 | 25.71 | 32.66 | 37.58 | 50.17 | a | 70.19 | 73.30 | 73.52 | 74.81 | 66.47 | 56.26 | 35.47 | 27.71 | 51.99 | ||||||||||||
1993 | 25.52 | 26.21 | 39.10 | 50.43 | 65.47 | a | 70.93 | a | 76.68 | 77.93 | b | 61.47 | 54.83 | a | 37.48 | a | 27.19 | d | 51.10 | |||||||
1994 | 12.79 | b | 20.70 | a | 40.43 | a | 56.44 | c | 66.21 | c | 79.78 | c | 77.18 | c | 72.65 | n | 73.28 | e | 59.61 | c | 46.33 | 36.32 | 51.74 | a | ||
1995 | 24.71 | 26.00 | 41.97 | 47.48 | c | 66.07 | a | 81.14 | a | 82.13 | a | 81.24 | f | 68.10 | 55.94 | 31.68 | b | 22.74 | 49.81 | a | ||||||
1996 | 22.60 | a | 26.76 | 31.42 | 49.73 | 62.78 | d | 75.17 | a | 76.39 | 77.97 | 69.79 | a | 57.03 | 33.47 | 25.00 | 50.68 | |||||||||
1997 | 18.90 | 28.74 | a | 35.97 | 52.57 | 58.60 | a | 78.14 | a | 78.81 | 73.26 | 69.83 | a | 56.39 | 36.10 | a | 32.29 | 51.63 | ||||||||
1998 | 25.68 | 36.89 | 39.13 | 59.00 | a | 73.53 | a | 71.96 | c | 79.80 | a | 78.52 | 76.63 | 58.90 | 44.00 | 34.58 | 56.55 | |||||||||
1999 | 19.35 | 32.71 | 41.19 | 58.31 | a | 68.74 | 75.73 | 81.06 | 75.42 | 69.82 | b | 55.97 | 50.96 | c | 28.48 | 54.81 | ||||||||||
2000 | 23.29 | 32.97 | 47.68 | 52.77 | 66.45 | 71.20 | 78.37 | a | 77.57 | a | 68.67 | c | 60.48 | 39.89 | c | 17.94 | 53.10 | |||||||||
2001 | 27.90 | a | 23.78 | a | 36.13 | a | 57.07 | 66.84 | 72.97 | a | 79.12 | f | 81.58 | 67.63 | 56.03 | b | 52.24 | a | 33.71 | 52.35 | a | |||||
2002 | 31.10 | 35.00 | 32.90 | 51.70 | 60.77 | a | 75.10 | 82.23 | 77.39 | c | 72.73 | 50.77 | 39.93 | 32.10 | b | 53.48 | ||||||||||
2003 | 21.77 | 23.57 | 38.87 | 53.27 | 65.93 | b | 74.38 | a | 79.66 | b | 82.19 | 70.67 | c | 57.45 | 39.50 | 32.07 | a | 53.28 | ||||||||
2004 | 16.97 | 28.76 | 40.10 | 55.27 | 62.84 | 72.03 | 76.77 | 73.18 | c | 76.38 | a | 57.90 | 44.47 | 27.58 | 52.69 | |||||||||||
2005 | 22.06 | 33.07 | 36.97 | 60.07 | 63.17 | b | 80.47 | 83.26 | 80.65 | 74.53 | 59.84 | 40.48 | a | 23.65 | 54.85 | |||||||||||
2006 | 31.94 | 24.81 | a | 38.97 | 60.69 | a | 65.74 | 76.30 | 85.61 | 77.97 | 66.97 | 52.38 | b | 43.48 | a | 32.19 | 54.75 | |||||||||
2007 | 27.94 | 19.82 | 43.06 | 52.60 | 70.77 | 78.60 | 80.97 | a | 77.45 | 71.50 | 61.52 | 40.11 | b | 24.26 | 54.05 | |||||||||||
2008 | 21.81 | 22.24 | 34.13 | 51.87 | 63.52 | b | 73.33 | 79.65 | 78.84 | 72.07 | 57.30 | a | 41.00 | 21.73 | a | 51.46 | ||||||||||
2009 | 15.29 | 28.96 | 37.97 | 52.11 | b | 66.17 | a | 73.67 | 74.61 | 76.20 | a | 73.57 | b | 49.52 | 49.50 | 25.06 | 51.89 | |||||||||
2010 | 24.00 | 30.14 | 50.00 | 62.62 | a | 69.23 | a | 73.63 | c | 80.77 | 80.81 | 66.38 | a | 60.74 | 42.17 | 24.76 | b | 55.44 | ||||||||
2011 | 18.67 | a | 26.14 | 35.42 | 48.80 | 63.23 | 73.10 | a | 82.00 | a | 79.19 | 66.48 | a | 59.90 | 43.75 | b | 32.42 | 52.43 | ||||||||
2012 | 28.06 | 34.21 | 54.55 | 56.17 | 71.50 | a | 79.33 | 87.48 | 80.03 | 70.40 | 54.70 | a | 42.38 | a | 31.71 | 57.54 | ||||||||||
2013 | 30.86 | x | ----- | z | ----- | z | ----- | z | 68.80 | f | 74.67 | 80.48 | 80.17 | a | 74.10 | a | 56.55 | 38.70 | 19.94 | 60.66 | e | |||||
2014 | 14.68 | 17.85 | a | 30.81 | 48.83 | 66.67 | a | 78.27 | 76.81 | 78.52 | 70.43 | b | 55.39 | 32.00 | 29.55 | 49.98 | ||||||||||
2015 | 21.65 | 17.52 | a | 42.06 | 57.17 | 70.29 | 75.73 | 81.16 | 76.30 | a | 77.68 | b | 58.83 | a | 48.40 | 36.97 | a | 55.31 | ||||||||
2016 | 23.68 | 31.00 | a | 45.50 | a | 51.80 | 68.81 | 77.93 | a | 81.32 | 80.58 | 72.86 | a | 60.13 | a | 51.83 | 26.32 | 55.98 | ||||||||
2017 | 25.23 | 35.67 | a | 37.48 | 58.17 | 64.16 | 76.33 | f | 81.07 | a | 75.86 | b | 74.66 | a | 60.42 | 39.67 | 23.94 | 52.39 | a | |||||||
2018 | 24.84 | 26.70 | a | 39.84 | 43.33 | 75.32 | 77.87 | 83.67 | a | 80.97 | 73.85 | c | 52.87 | 35.63 | 33.77 | 54.06 | ||||||||||
2019 | 23.35 | 24.46 | 38.61 | 53.17 | 62.48 | 75.67 | 82.50 | a | 77.26 | 71.53 | 55.32 | 36.20 | 31.32 | 52.66 | ||||||||||||
2020 | 30.10 | 30.68 | a | 43.10 | 51.43 | 65.61 | 78.63 | 82.97 | 81.35 | 67.87 | 51.26 | 48.23 | 32.55 | 55.32 | ||||||||||||
2021 | 28.77 | 24.18 | 48.29 | 55.97 | 66.48 | b | 80.10 | 80.29 | 80.00 | 73.43 | 63.00 | 42.07 | 31.32 | 56.16 | ||||||||||||
2022 | 19.23 | 25.79 | 37.52 | 47.07 | 67.79 | b | 77.27 | 80.26 | 77.77 | 71.50 | 58.68 | 46.07 | 25.48 | 52.87 | ||||||||||||
2023 | 28.10 | 30.96 | a | 38.29 | 54.23 | 68.48 | 80.13 | 81.65 | 79.68 | 73.73 | d | 58.68 | 43.87 | 38.29 | 56.34 | |||||||||||
2024 | 26.19 | 41.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.05 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.41 | 28.38 | 39.22 | 54.68 | 68.18 | 76.90 | 81.16 | 79.19 | 70.75 | 58.44 | 41.46 | 28.09 | 54.06 | |||||||||||||
S.D. | 4.55 | 4.72 | 4.96 | 4.71 | 4.24 | 3.14 | 2.97 | 2.82 | 3.13 | 4.39 | 4.81 | 4.59 | 1.81 | |||||||||||||
SKEW | -0.13 | 0.25 | 0.73 | -0.10 | 0.19 | -0.08 | 0.01 | 0.06 | 0.01 | 0.52 | 0.07 | -0.33 | -0.22 | |||||||||||||
MAX | 33.55 | 41.90 | 54.55 | 64.87 | 80.13 | 83.76 | 87.61 | 85.42 | 79.50 | 71.29 | 52.24 | 38.29 | 57.54 | |||||||||||||
MIN | 12.79 | 17.52 | 30.81 | 43.33 | 58.60 | 69.40 | 73.52 | 73.18 | 61.47 | 49.52 | 31.68 | 17.00 | 49.98 | |||||||||||||
YRS | 75 | 74 | 70 | 72 | 71 | 72 | 73 | 70 | 72 | 73 | 76 | 75 | 60 |