YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | 34.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.29 | k | |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 92.80 | u | 81.00 | 61.97 | 41.67 | 29.39 | 53.51 | h | ||||
1949 | 16.17 | a | 18.68 | 35.32 | 62.52 | a | 74.16 | 82.67 | 88.74 | 89.67 | a | 72.72 | a | 59.55 | 52.69 | a | 24.55 | 56.45 | ||||||||
1950 | 5.81 | 21.32 | 30.55 | 46.17 | 63.42 | 82.30 | 81.26 | 80.29 | 74.13 | 66.39 | 36.59 | a | 25.03 | a | 51.10 | |||||||||||
1951 | 19.20 | a | 33.59 | a | 27.32 | 52.83 | 70.48 | 71.07 | 81.74 | 78.97 | 66.73 | 56.48 | 38.52 | a | 17.26 | 51.18 | ||||||||||
1952 | 17.55 | 28.21 | 27.16 | 60.37 | 70.42 | 83.97 | 87.58 | 85.11 | d | 81.80 | 60.90 | 42.53 | 28.52 | 56.18 | ||||||||||||
1953 | 25.94 | 29.39 | 38.15 | d | 49.43 | 66.60 | a | 76.67 | 82.55 | 84.13 | 76.40 | 69.26 | 49.03 | 34.00 | a | 56.80 | ||||||||||
1954 | 18.48 | 46.68 | 37.70 | a | 58.07 | 66.67 | a | 76.10 | 88.48 | 83.81 | 71.43 | 56.94 | 50.83 | 32.68 | 57.32 | |||||||||||
1955 | 26.84 | 20.22 | a | 37.77 | 66.60 | 75.52 | 77.36 | b | 89.32 | 88.48 | 77.17 | 65.55 | 30.50 | 18.26 | 56.13 | |||||||||||
1956 | 19.65 | 21.17 | 37.06 | 51.50 | 69.23 | 85.47 | 81.97 | 82.19 | 74.63 | 68.97 | 42.34 | a | 34.10 | a | 55.69 | |||||||||||
1957 | 17.16 | 28.32 | 40.47 | a | 55.40 | 66.55 | 75.77 | 87.03 | a | 82.00 | a | 70.37 | 56.48 | 41.90 | 38.19 | 54.97 | ||||||||||
1958 | 32.55 | b | 24.39 | 36.10 | 56.97 | 76.06 | 72.40 | 79.07 | a | 88.90 | 78.48 | a | 65.06 | 44.53 | 27.11 | d | 56.80 | |||||||||
1959 | 18.94 | 21.18 | 45.35 | 60.17 | a | 68.19 | 84.87 | 88.77 | 92.03 | 74.47 | 55.48 | 33.50 | 34.48 | 56.45 | ||||||||||||
1960 | 20.77 | 22.10 | 26.65 | 56.43 | 69.71 | 73.87 | 87.71 | 84.65 | 76.33 | 63.74 | 46.17 | 25.71 | 54.49 | |||||||||||||
1961 | 25.32 | 31.36 | 47.87 | 53.77 | 66.19 | 85.20 | 84.74 | 90.60 | a | 70.60 | 64.32 | 45.83 | 23.29 | 57.42 | ||||||||||||
1962 | 22.39 | 21.82 | 32.55 | 59.73 | 68.87 | 73.48 | c | 80.23 | 85.13 | 71.97 | 65.48 | 48.38 | a | 32.10 | 55.18 | |||||||||||
1963 | 17.65 | 31.75 | 51.13 | 57.07 | 68.77 | 80.27 | 84.39 | 82.94 | 75.27 | 71.32 | 48.63 | 22.58 | 57.65 | |||||||||||||
1964 | 31.10 | 37.52 | 37.42 | 58.14 | a | 72.55 | 78.97 | a | 86.16 | 81.10 | 72.93 | 64.13 | 41.23 | 17.61 | 56.57 | |||||||||||
1965 | 15.71 | 27.29 | 28.84 | 54.34 | a | 69.42 | 76.27 | 84.55 | 83.50 | a | 64.17 | l | 65.35 | 43.23 | 34.23 | 52.98 | a | |||||||||
1966 | 10.48 | 22.00 | 44.13 | a | 50.10 | a | 71.00 | c | 77.95 | h | 90.42 | 80.59 | b | 73.00 | 62.81 | 37.32 | b | 30.93 | a | 52.07 | a | |||||
1967 | 28.00 | 24.86 | 43.10 | b | 54.97 | 64.71 | 74.67 | 84.26 | 85.90 | 77.00 | 59.19 | 42.70 | 27.48 | 55.57 | ||||||||||||
1968 | 21.37 | a | 26.79 | a | 50.87 | 57.03 | 64.10 | 77.63 | 82.48 | 82.81 | 73.87 | 61.83 | a | 40.73 | 18.13 | 54.80 | ||||||||||
1969 | 10.27 | a | 24.93 | 29.00 | 59.30 | 73.48 | 72.73 | 81.06 | 87.87 | 76.73 | 53.81 | 43.43 | 28.19 | e | 53.40 | |||||||||||
1970 | 13.06 | 30.07 | 33.03 | 51.83 | 68.32 | 81.70 | 87.61 | 86.97 | 75.63 | 59.58 | 36.14 | a | 23.84 | 53.98 | ||||||||||||
1971 | 11.48 | b | 25.25 | 40.65 | 60.17 | 65.97 | 79.35 | d | 82.00 | 88.81 | 73.80 | 58.97 | 40.90 | 21.00 | 54.03 | |||||||||||
1972 | 15.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.73 | h | 57.67 | a | 38.31 | a | 15.00 | i | 37.30 | i | |
1973 | 27.68 | 33.75 | 47.52 | 57.48 | c | 71.92 | s | 81.75 | b | 89.12 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.64 | g | |||
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 | 84.13 | 71.87 | 62.10 | 38.66 | a | 17.07 | a | 54.76 | g | |||
1990 | 34.26 | 30.96 | 44.26 | 57.50 | 65.10 | 76.72 | a | 81.13 | 83.52 | 77.03 | 58.03 | 45.17 | 22.67 | a | 56.36 | |||||||||||
1991 | 21.00 | 37.25 | 41.77 | 57.53 | 66.65 | 77.77 | 81.90 | 84.55 | 71.90 | 57.13 | 32.53 | 33.84 | 55.32 | |||||||||||||
1992 | 31.57 | a | 34.14 | 47.00 | 53.37 | 74.32 | 73.73 | 71.58 | 74.97 | 71.07 | 59.45 | 31.20 | 21.42 | 53.65 | ||||||||||||
1993 | 16.06 | 18.21 | 37.29 | 53.13 | 67.45 | 70.37 | 74.58 | 78.03 | 65.17 | 56.90 | 34.93 | 25.87 | 49.83 | |||||||||||||
1994 | 8.26 | 13.04 | 39.81 | 55.83 | 72.35 | 76.70 | 78.39 | 77.61 | 72.37 | 58.06 | 41.10 | 25.32 | 51.57 | |||||||||||||
1995 | 18.58 | 27.18 | 33.77 | 45.40 | 61.48 | 76.00 | 80.94 | 83.52 | 71.20 | 54.65 | 32.83 | 24.52 | 50.84 | |||||||||||||
1996 | 13.03 | 25.48 | 28.45 | 49.70 | 59.52 | 77.27 | 79.23 | 83.74 | 68.80 | 57.03 | 25.43 | 12.55 | 48.35 | |||||||||||||
1997 | 11.71 | 26.46 | 32.00 | 48.83 | 64.58 | 78.30 | 79.84 | 80.52 | 75.83 | 61.10 | 34.60 | 33.42 | 52.27 | |||||||||||||
1998 | 21.77 | 34.86 | 31.00 | 58.80 | 71.13 | 72.17 | a | 84.39 | 82.06 | 79.13 | 56.32 | 39.27 | 33.74 | 55.39 | ||||||||||||
1999 | 18.61 | 36.29 | 44.48 | 53.83 | 66.65 | 74.63 | 82.94 | 80.81 | 66.93 | 56.94 | 52.87 | 36.16 | 55.93 | |||||||||||||
2000 | 25.52 | 36.00 | 47.68 | 54.70 | 69.35 | 74.37 | 81.58 | 82.19 | 72.97 | 59.52 | 30.87 | 13.35 | 54.01 | |||||||||||||
2001 | 25.16 | 15.43 | 32.68 | 53.30 | 68.87 | 76.23 | 84.58 | 85.94 | 72.80 | 57.61 | 51.97 | 27.84 | 54.37 | |||||||||||||
2002 | 28.84 | 38.43 | 29.40 | a | 53.93 | 63.48 | 83.27 | 87.74 | 80.16 | 74.03 | 46.61 | 41.07 | 31.90 | 54.91 | ||||||||||||
2003 | 23.77 | 22.93 | 37.65 | 58.37 | 65.06 | 74.23 | 84.61 | 87.23 | 73.53 | 64.48 | 31.83 | 32.32 | 54.67 | |||||||||||||
2004 | 19.13 | 26.76 | 45.26 | 60.90 | 65.13 | 72.17 | 79.74 | 76.45 | 74.17 | 58.84 | 46.20 | 32.19 | 54.74 | |||||||||||||
2005 | 20.00 | 35.43 | 43.77 | 61.50 | 64.81 | 77.17 | 84.90 | 82.55 | 78.03 | 61.00 | 43.87 | 24.87 | 56.49 | |||||||||||||
2006 | 33.55 | 30.39 | 40.74 | 62.17 | 70.39 | 80.73 | 93.13 | 84.42 | 67.20 | 54.58 | 43.13 | 36.48 | 58.08 | |||||||||||||
2007 | 22.73 | a | 16.07 | a | 45.13 | 51.13 | 71.29 | 77.83 | 86.35 | 79.81 | 75.20 | 59.45 | 44.00 | 25.13 | 54.51 | |||||||||||
2008 | 20.71 | 23.72 | 39.87 | 52.00 | 64.55 | 74.63 | 84.06 | 81.87 | 72.50 | 57.03 | 40.20 | 17.71 | 52.41 | |||||||||||||
2009 | 17.13 | 25.07 | 33.48 | 51.90 | 68.10 | 73.30 | 78.35 | 78.39 | 73.30 | 45.81 | 49.40 | 18.16 | 51.03 | |||||||||||||
2010 | 17.06 | 17.79 | 41.23 | 62.17 | 64.55 | 76.90 | 83.61 | 86.55 | 67.57 | 60.55 | 39.53 | 18.94 | 53.04 | |||||||||||||
2011 | 15.52 | 19.54 | 27.39 | 49.33 | 61.87 | 73.50 | 85.45 | 82.39 | 71.30 | 61.35 | 44.37 | 32.97 | 52.08 | |||||||||||||
2012 | 32.32 | 34.17 | 56.55 | 59.70 | 69.52 | 81.10 | 88.77 | 81.39 | 76.20 | 55.35 | 40.17 | 24.35 | 58.30 | |||||||||||||
2013 | 24.03 | 24.75 | 28.74 | 43.70 | 67.03 | 75.17 | 81.45 | 83.13 | 76.70 | 51.77 | 40.00 | 18.45 | 51.24 | |||||||||||||
2014 | 22.97 | 18.93 | 35.19 | 53.33 | 67.71 | 75.27 | 80.61 | 78.55 | 72.10 | 62.35 | 30.90 | 26.42 | 52.03 | |||||||||||||
2015 | 26.61 | 22.14 | 47.35 | 61.83 | 65.42 | 80.07 | 84.71 | 81.00 | 77.77 | 62.06 | 46.13 | 28.26 | 56.95 | |||||||||||||
2016 | 23.35 | 35.93 | 49.06 | 55.23 | 70.94 | 79.80 | 83.29 | 83.26 | 72.67 | 60.06 | 50.83 | 19.65 | 57.01 | |||||||||||||
2017 | 18.65 | 33.46 | 39.13 | 57.20 | 68.71 | 80.67 | 87.03 | 75.90 | 72.83 | 59.13 | 40.47 | 27.55 | 55.06 | |||||||||||||
2018 | 23.61 | 18.96 | 34.06 | 44.07 | 75.94 | 81.43 | 82.19 | 82.94 | 71.37 | 50.16 | 31.30 | 30.55 | 52.22 | |||||||||||||
2019 | 19.94 | 6.56 | a | 28.03 | 51.33 | 58.97 | 78.70 | 82.45 | 76.55 | 70.67 | 46.65 | 35.97 | 24.32 | 48.34 | ||||||||||||
2020 | 20.13 | 26.86 | a | 39.94 | 52.20 | 62.90 | 80.87 | 84.84 | 84.55 | 71.27 | 48.32 | 46.93 | 34.94 | 54.48 | ||||||||||||
2021 | 29.68 | 20.00 | 49.16 | 53.87 | 66.94 | 87.33 | 86.71 | 85.81 | 76.37 | 59.61 | 44.97 | 28.58 | 57.42 | |||||||||||||
2022 | 22.42 | 25.64 | 40.81 | 45.57 | 64.55 | 78.87 | 83.26 | 81.58 | 75.97 | 59.32 | 36.90 | 18.32 | c | 52.77 | ||||||||||||
2023 | 24.92 | e | 29.69 | l | 26.82 | c | 44.92 | e | 71.81 | d | 83.70 | c | 80.79 | g | 82.50 | y | ----- | z | ----- | z | ----- | z | ----- | z | 50.44 | g |
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.05 | 26.52 | 38.29 | 54.80 | 67.85 | 77.82 | 83.69 | 83.03 | 73.58 | 59.16 | 40.97 | 26.35 | 54.40 | |||||||||||||
S.D. | 6.44 | 7.39 | 7.43 | 5.14 | 3.90 | 4.01 | 3.87 | 3.71 | 3.44 | 5.30 | 6.30 | 6.40 | 2.44 | |||||||||||||
SKEW | 0.01 | 0.07 | 0.19 | -0.26 | 0.09 | 0.33 | -0.35 | 0.10 | -0.11 | -0.41 | -0.17 | -0.17 | -0.60 | |||||||||||||
MAX | 34.26 | 46.68 | 56.55 | 66.60 | 76.06 | 87.33 | 93.13 | 92.03 | 81.80 | 71.32 | 52.87 | 38.19 | 58.30 | |||||||||||||
MIN | 5.81 | 6.56 | 26.65 | 43.70 | 58.97 | 70.37 | 71.58 | 74.97 | 65.17 | 45.81 | 25.43 | 12.55 | 48.34 | |||||||||||||
YRS | 59 | 57 | 59 | 58 | 57 | 57 | 56 | 57 | 57 | 59 | 59 | 58 | 54 |