YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | 22.54 | c | 25.69 | b | 45.27 | a | 58.40 | 76.68 | 84.83 | 94.70 | a | 92.71 | 79.03 | 57.42 | 40.34 | a | 25.36 | c | 58.58 | |||||||
1938 | 23.83 | a | 31.65 | b | 50.43 | a | 58.03 | 70.65 | 83.10 | 88.03 | 88.32 | 73.80 | 66.00 | 42.57 | b | 31.84 | 59.02 | |||||||||
1939 | 32.07 | d | 26.32 | 44.79 | c | 54.00 | 81.23 | 85.80 | 88.00 | 84.03 | 80.40 | 61.74 | 51.13 | 40.58 | 60.84 | |||||||||||
1940 | 19.61 | 33.00 | 37.23 | 56.90 | 70.71 | 80.77 | 87.29 | 79.03 | 77.13 | 66.06 | 40.80 | 32.90 | 56.79 | |||||||||||||
1941 | 30.39 | 30.32 | 41.33 | a | 66.00 | l | 75.90 | 78.37 | 84.00 | 83.61 | 76.33 | 61.74 | 48.10 | a | 36.52 | 58.78 | a | |||||||||
1942 | 28.55 | 27.89 | 43.83 | a | 73.80 | o | 67.61 | 77.83 | a | 82.58 | 81.13 | 68.83 | a | 64.59 | b | 45.13 | 25.23 | 55.75 | a | |||||||
1943 | 21.61 | 31.89 | a | 36.13 | 60.50 | p | 68.20 | a | 84.14 | a | 85.97 | 84.29 | 70.38 | a | 62.48 | 39.70 | 35.35 | 56.38 | a | |||||||
1944 | 36.94 | 34.00 | 35.10 | b | 59.14 | p | 75.19 | 81.45 | a | 82.29 | 83.71 | 74.07 | 64.03 | ----- | z | ----- | z | 62.98 | c | |||||||
1945 | ----- | z | ----- | z | ----- | z | 54.44 | n | 65.23 | a | 73.37 | c | 81.58 | 81.52 | 72.18 | b | 62.90 | b | ----- | z | ----- | z | 72.80 | f | ||
1946 | ----- | z | ----- | z | ----- | z | 69.69 | n | 67.67 | a | 78.50 | 83.19 | 79.39 | 72.10 | 65.55 | b | ----- | z | ----- | z | 74.40 | f | ||||
1947 | ----- | z | ----- | z | ----- | z | 57.54 | q | 63.57 | a | 74.43 | b | 84.06 | 88.00 | a | 75.20 | 70.20 | a | ----- | z | ----- | z | 75.91 | f | ||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | 69.42 | 77.27 | o | 85.55 | 83.42 | 80.30 | 61.45 | ----- | z | ----- | z | 76.03 | g | |||||
1949 | ----- | z | ----- | z | ----- | z | 61.00 | 74.71 | 83.80 | 87.52 | 84.81 | 70.83 | 66.03 | a | 46.80 | ----- | z | 71.94 | d | |||||||
1950 | 28.52 | 30.96 | 35.52 | 49.70 | 67.77 | 79.17 | 80.52 | 78.84 | 73.13 | 67.55 | 40.70 | 23.23 | 54.63 | |||||||||||||
1951 | 23.10 | 30.04 | 34.42 | 50.43 | 73.42 | 74.80 | 82.00 | 76.97 | 68.70 | 59.55 | 36.10 | 27.97 | a | 53.12 | ||||||||||||
1952 | 28.97 | 34.34 | 37.16 | 60.00 | a | 68.45 | 80.80 | 84.81 | 79.32 | 75.33 | 57.80 | p | ----- | z | 32.32 | 58.15 | b | |||||||||
1953 | 29.32 | 31.68 | 41.10 | 50.67 | 69.77 | a | 81.21 | a | 82.00 | 82.19 | 74.30 | 68.87 | 50.27 | 34.84 | 58.02 | |||||||||||
1954 | 25.87 | 41.43 | 41.03 | ----- | z | ----- | z | 82.03 | 83.94 | 79.81 | 70.73 | 57.35 | 47.60 | ----- | z | 58.87 | c | |||||||||
1955 | 25.00 | a | 27.79 | 39.19 | 64.70 | 73.42 | 75.43 | 86.97 | 86.39 | 75.03 | 61.42 | 37.13 | 24.68 | 56.43 | ||||||||||||
1956 | 25.29 | 28.79 | 36.45 | 53.43 | 69.68 | 83.53 | 79.52 | 81.16 | 71.03 | 68.19 | 43.07 | 33.32 | 56.12 | |||||||||||||
1957 | 22.32 | 33.75 | 41.71 | 57.87 | 68.42 | 78.37 | 86.06 | 79.52 | 69.97 | 57.35 | 40.83 | 35.48 | 55.97 | |||||||||||||
1958 | 29.16 | 25.70 | a | 42.26 | 59.67 | 73.55 | 75.23 | 81.30 | a | 82.94 | 74.20 | 64.84 | 47.27 | 24.58 | e | 56.72 | ||||||||||
1959 | 21.48 | f | 27.25 | 40.48 | 58.20 | 73.16 | 80.30 | 82.48 | 84.45 | 72.93 | 53.84 | 35.53 | 37.45 | 58.74 | a | |||||||||||
1960 | 29.42 | 30.34 | 33.26 | 58.47 | 70.16 | 76.00 | 83.32 | 82.06 | 73.47 | 61.26 | 47.70 | 30.52 | 56.33 | |||||||||||||
1961 | 26.42 | 38.21 | 42.61 | 51.07 | 69.58 | 81.70 | 82.39 | 83.26 | 71.20 | 63.03 | 43.60 | 27.39 | 56.70 | |||||||||||||
1962 | 23.48 | 25.43 | 38.19 | 55.87 | 72.68 | 77.80 | 79.45 | 80.19 | 69.77 | 63.10 | 45.47 | 30.10 | 55.13 | |||||||||||||
1963 | 14.74 | 27.43 | 45.65 | 60.50 | 68.39 | 83.72 | a | 85.35 | 79.35 | 73.77 | 70.71 | 48.60 | 20.94 | 56.60 | ||||||||||||
1964 | 33.10 | 37.72 | 40.16 | 59.20 | 75.81 | 80.77 | 88.16 | 80.03 | 70.70 | 60.06 | 46.83 | 26.23 | 58.23 | |||||||||||||
1965 | 23.03 | 26.61 | 31.74 | 52.20 | 73.77 | 78.33 | 83.13 | 79.52 | 65.57 | 61.68 | 44.57 | 36.58 | 54.73 | |||||||||||||
1966 | 18.03 | 29.71 | 46.65 | 53.63 | 67.81 | 81.37 | 85.16 | 80.23 | 73.20 | 61.81 | 42.60 | 29.97 | 55.85 | |||||||||||||
1967 | 28.68 | 25.00 | 42.10 | 56.23 | 66.06 | 79.13 | 80.77 | 78.65 | 72.40 | 58.55 | 40.73 | 33.16 | 55.12 | |||||||||||||
1968 | 27.48 | 28.31 | 51.90 | 61.63 | 66.48 | 77.57 | 81.90 | 82.42 | 72.07 | 61.55 | 43.10 | 28.68 | 56.92 | |||||||||||||
1969 | 21.23 | 31.07 | 36.65 | 59.27 | 71.61 | 71.43 | 82.42 | 84.61 | 73.00 | 56.07 | a | 43.47 | 29.94 | 55.06 | ||||||||||||
1970 | 17.84 | 32.00 | 38.58 | 58.93 | 71.37 | a | 80.50 | 86.00 | 82.42 | 71.47 | 60.97 | 41.90 | 28.94 | 55.91 | ||||||||||||
1971 | 19.16 | 27.43 | 38.23 | a | 59.57 | 68.35 | 83.30 | 80.16 | 81.52 | 74.73 | 65.84 | 43.87 | 31.23 | 56.12 | ||||||||||||
1972 | 21.68 | 25.86 | 37.45 | 52.70 | 73.81 | 77.83 | 80.65 | 80.71 | 70.97 | 56.52 | 40.07 | 23.74 | 53.50 | |||||||||||||
1973 | 28.29 | 32.11 | 49.58 | 53.90 | 65.39 | 80.57 | 83.90 | 82.90 | 71.23 | 66.77 | 44.53 | 27.32 | 57.21 | |||||||||||||
1974 | 25.71 | 29.89 | 41.35 | 59.90 | 65.90 | 76.70 | 86.55 | 80.19 | 69.20 | 61.55 | 44.57 | 33.06 | 56.22 | |||||||||||||
1975 | 26.90 | 28.54 | 35.19 | 50.73 | 72.55 | 78.37 | 85.45 | 82.65 | 68.47 | 65.45 | 49.07 | 30.42 | 56.15 | |||||||||||||
1976 | 24.87 | 38.34 | 43.68 | 61.77 | 69.42 | 82.63 | 86.90 | 83.65 | 73.90 | 55.90 | a | 38.00 | 23.58 | 56.89 | ||||||||||||
1977 | 12.23 | ----- | z | 48.13 | 67.27 | 79.35 | 80.10 | 86.45 | 78.68 | 71.33 | 55.90 | 38.63 | 23.39 | 58.31 | a | |||||||||||
1978 | 17.39 | 23.14 | 41.19 | 56.20 | 71.16 | 78.47 | 80.19 | 80.71 | 78.77 | 60.94 | 42.53 | 26.19 | 54.74 | |||||||||||||
1979 | 12.87 | 22.71 | 38.90 | 52.70 | 68.16 | 77.90 | 82.87 | 78.65 | 76.00 | 56.33 | m | 40.27 | 35.58 | 53.33 | a | |||||||||||
1980 | 24.00 | a | 25.66 | 38.29 | 59.76 | a | 74.77 | a | 79.97 | 85.39 | 80.81 | 72.50 | 55.37 | a | 46.47 | 29.16 | 56.01 | |||||||||
1981 | 30.13 | 34.89 | 47.32 | 61.97 | 68.74 | 78.70 | 81.71 | 78.87 | 70.57 | 57.35 | 46.23 | 27.65 | 57.01 | |||||||||||||
1982 | 18.50 | e | 28.46 | b | 38.79 | b | 54.47 | 72.17 | a | 74.24 | a | 85.68 | 81.58 | 69.78 | c | 59.70 | a | 42.03 | 34.79 | c | 55.02 | |||||
1983 | 29.04 | c | 34.33 | a | 41.80 | a | 52.80 | 64.23 | 79.00 | a | 87.00 | 86.37 | a | 71.41 | c | 57.86 | c | 42.41 | a | 16.87 | a | 55.26 | ||||
1984 | 23.19 | 38.79 | 36.19 | 57.93 | 67.03 | b | 80.63 | 82.26 | 83.29 | 72.30 | 62.10 | 42.62 | a | 31.92 | e | 56.52 | ||||||||||
1985 | 23.26 | d | 26.50 | 48.12 | e | 64.17 | 75.75 | c | 77.13 | 84.39 | 79.13 | 71.50 | 60.29 | 35.79 | a | 20.23 | a | 55.52 | ||||||||
1986 | 26.57 | a | 26.39 | 46.35 | 62.04 | b | 70.65 | 78.66 | a | 83.76 | b | 76.73 | a | 69.48 | a | 59.39 | 40.34 | a | 31.37 | a | 55.98 | |||||
1987 | 29.43 | a | 39.69 | b | 47.30 | a | 66.73 | 75.32 | 83.59 | a | 84.97 | 77.84 | 72.50 | 55.60 | a | 47.27 | 33.68 | 59.49 | ||||||||
1988 | 22.93 | a | 26.14 | a | 45.54 | c | 58.87 | 77.16 | 85.47 | 87.45 | 85.26 | 74.61 | b | 54.87 | a | 44.34 | a | 31.29 | 57.83 | |||||||
1989 | 33.97 | a | 24.25 | 37.94 | 56.50 | 69.42 | 77.47 | 85.68 | 81.48 | b | 71.37 | 65.46 | c | 39.55 | a | 24.55 | i | 58.46 | a | |||||||
1990 | 36.19 | 34.82 | 46.45 | 60.13 | 66.81 | 78.83 | a | ----- | z | 80.16 | 71.83 | 57.65 | 48.31 | a | 25.93 | a | 55.19 | a | ||||||||
1991 | 22.42 | 35.04 | 45.32 | 60.37 | 71.10 | 82.40 | 81.00 | 80.90 | 69.53 | 58.71 | 34.10 | 31.19 | 56.01 | |||||||||||||
1992 | 30.19 | 35.79 | 41.55 | 53.13 | 71.94 | 76.80 | 75.84 | 76.45 | 71.07 | 58.84 | 37.30 | 29.97 | 54.91 | |||||||||||||
1993 | 25.65 | 26.79 | 39.42 | 52.71 | b | 67.52 | 74.30 | 78.03 | 79.48 | 64.87 | 60.97 | 40.33 | 29.84 | 53.33 | ||||||||||||
1994 | 15.32 | 23.71 | 43.94 | 59.07 | 71.52 | 81.83 | a | 78.45 | 76.61 | 73.50 | 60.87 | 47.00 | 33.84 | 55.47 | ||||||||||||
1995 | 26.45 | 29.82 | 45.38 | b | 52.52 | a | 68.13 | 82.00 | a | 83.81 | 84.94 | 70.70 | 58.77 | a | 35.10 | 26.67 | a | 55.36 | ||||||||
1996 | 21.71 | 28.24 | 36.58 | 54.73 | 64.81 | 76.63 | 79.26 | 81.03 | 71.67 | 60.55 | 34.93 | 25.52 | 52.97 | |||||||||||||
1997 | 21.48 | 31.32 | 40.29 | 55.13 | 64.65 | 80.33 | 80.42 | 76.39 | 72.38 | a | 60.90 | 36.87 | 33.65 | 54.48 | ||||||||||||
1998 | 27.87 | 39.00 | 40.24 | b | 63.21 | a | 77.23 | 76.41 | a | 83.58 | 81.06 | 78.37 | 60.90 | 45.83 | a | 36.77 | a | 59.21 | ||||||||
1999 | 21.37 | a | 37.21 | 45.29 | 60.42 | d | 72.55 | b | 78.52 | a | 87.04 | e | 78.50 | a | 71.50 | 62.16 | 52.53 | 34.48 | b | 58.46 | ||||||
2000 | 26.77 | 38.76 | 51.19 | 60.10 | 70.45 | b | 75.57 | 80.48 | 80.23 | a | 72.07 | b | 64.35 | 40.10 | 17.37 | a | 56.45 | |||||||||
2001 | 30.35 | 25.78 | a | 37.94 | 60.86 | a | 70.39 | 77.00 | 84.43 | c | 82.84 | 69.43 | 57.90 | 56.37 | 36.65 | 57.49 | ||||||||||
2002 | 36.00 | a | 39.11 | a | 36.63 | a | 56.80 | 67.26 | 78.97 | 85.90 | b | 79.20 | a | 75.14 | a | 52.81 | 42.87 | 35.52 | 57.18 | |||||||
2003 | 26.10 | a | 27.89 | 42.67 | a | 59.34 | a | 68.40 | a | 77.13 | 82.00 | d | 84.13 | a | 72.48 | a | 60.70 | a | 42.50 | b | 34.03 | a | 56.45 | |||
2004 | 21.94 | 31.52 | 45.07 | a | 60.68 | b | 68.86 | b | ----- | z | 79.61 | 75.07 | a | 76.43 | b | 59.90 | 46.97 | a | 31.87 | 54.36 | a | |||||
2005 | 24.71 | 35.67 | a | 41.68 | 61.79 | a | 65.29 | 83.00 | a | 84.29 | 80.20 | a | 76.89 | b | 62.70 | a | 46.57 | b | 25.89 | c | 57.39 | |||||
2006 | 36.52 | 31.89 | 42.39 | 62.80 | 69.39 | 78.69 | a | 86.26 | 80.07 | a | 68.37 | 55.47 | a | 45.72 | a | 37.16 | 57.89 | |||||||||
2007 | 30.20 | a | 21.79 | 47.52 | 56.90 | 74.87 | a | 80.21 | a | 82.77 | 79.75 | c | 75.66 | a | 65.26 | 43.43 | 26.67 | a | 57.08 | |||||||
2008 | 24.30 | a | 25.59 | 38.52 | 55.83 | a | 68.30 | a | 77.74 | c | 82.48 | 79.81 | 73.23 | 60.65 | 42.97 | a | 26.17 | b | 54.63 | |||||||
2009 | 19.45 | 33.25 | 45.26 | 59.43 | 69.94 | 76.97 | 76.61 | 77.58 | 74.60 | 51.23 | 51.50 | 27.68 | 55.29 | |||||||||||||
2010 | 22.90 | a | 30.11 | 50.74 | 66.00 | 72.03 | 78.17 | a | 83.90 | 84.40 | a | 70.47 | 65.19 | 45.47 | 25.10 | 57.87 | ||||||||||
2011 | 22.83 | a | 30.75 | 41.70 | a | 55.07 | 69.16 | 79.37 | 86.17 | a | 81.60 | a | 69.83 | 62.77 | 48.55 | a | 36.10 | 56.99 | ||||||||
2012 | 34.37 | a | 36.66 | 60.21 | b | 62.55 | a | 74.80 | a | 81.93 | 90.03 | 82.93 | a | 74.72 | a | 57.97 | a | 47.79 | a | 33.53 | a | 61.46 | ||||
2013 | 29.00 | 29.29 | 35.77 | e | 49.93 | b | 69.81 | 76.10 | 82.26 | 81.55 | 77.04 | b | 59.35 | 42.86 | b | 24.30 | a | 54.77 | ||||||||
2014 | 20.87 | 19.81 | a | 37.94 | 55.31 | a | 70.70 | a | 79.79 | a | 78.52 | 81.77 | a | 73.24 | a | 58.90 | a | 35.83 | 31.90 | 53.72 | ||||||
2015 | 27.65 | 21.78 | a | 45.90 | 62.43 | 72.81 | 79.87 | 82.13 | 80.13 | a | 78.34 | a | 63.16 | 52.59 | a | 38.74 | 58.79 | |||||||||
2016 | 26.90 | 34.38 | 50.42 | 59.57 | 72.19 | 81.57 | 84.06 | 82.06 | 75.23 | 64.58 | 54.03 | 28.84 | 59.49 | |||||||||||||
2017 | 27.71 | 41.18 | 43.87 | 61.30 | 68.39 | 81.57 | 84.83 | a | 77.74 | 78.23 | 61.19 | 43.90 | 28.77 | 58.22 | ||||||||||||
2018 | 27.55 | 29.78 | a | 43.52 | 49.57 | 78.29 | 82.50 | 83.61 | 82.60 | a | 74.62 | a | 57.16 | 36.23 | 33.65 | 56.59 | ||||||||||
2019 | 23.77 | 22.82 | 37.23 | a | 54.72 | a | 63.03 | 77.57 | b | 84.13 | 79.65 | 74.47 | 54.97 | 37.03 | a | 33.70 | a | 53.59 | ||||||||
2020 | 30.90 | a | 31.34 | 44.19 | 53.59 | a | 68.00 | d | 80.00 | a | 84.87 | 82.13 | 68.72 | a | 53.17 | a | 50.79 | a | 34.53 | a | 56.85 | |||||
2021 | 29.32 | 21.36 | 50.23 | 57.36 | b | 68.48 | 84.17 | 83.20 | a | 81.10 | a | 75.17 | 64.43 | a | 45.27 | 34.50 | a | 57.88 | ||||||||
2022 | 21.26 | 27.67 | a | 41.23 | a | 49.10 | 68.80 | a | 79.40 | 82.13 | 79.94 | 74.20 | 60.10 | a | 46.37 | 26.48 | 54.72 | |||||||||
2023 | 30.03 | a | 32.93 | 40.52 | 56.59 | a | 71.07 | b | 82.86 | a | 81.90 | 82.87 | 75.38 | d | 60.84 | 48.07 | c | 40.03 | 58.59 | |||||||
2024 | 27.00 | 43.79 | a | 49.93 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.24 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.53 | 30.54 | 42.16 | 57.55 | 70.52 | 79.46 | 83.58 | 81.31 | 72.90 | 60.94 | 43.66 | 30.29 | 56.46 | |||||||||||||
S.D. | 5.21 | 5.25 | 5.10 | 4.29 | 3.72 | 2.94 | 3.03 | 2.87 | 3.05 | 4.01 | 4.84 | 5.06 | 1.76 | |||||||||||||
SKEW | -0.13 | 0.32 | 0.59 | -0.05 | 0.45 | -0.10 | 0.26 | 0.83 | 0.20 | 0.05 | 0.10 | -0.35 | 0.35 | |||||||||||||
MAX | 36.94 | 43.79 | 60.21 | 67.27 | 81.23 | 85.80 | 94.70 | 92.71 | 80.40 | 70.71 | 56.37 | 40.58 | 61.46 | |||||||||||||
MIN | 12.23 | 19.81 | 31.74 | 49.10 | 63.03 | 71.43 | 75.84 | 75.07 | 64.87 | 51.23 | 34.10 | 16.87 | 52.97 | |||||||||||||
YRS | 82 | 82 | 83 | 78 | 86 | 85 | 86 | 87 | 87 | 85 | 81 | 79 | 70 |