YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1921 | 20.23 | 24.30 | a | 31.74 | 49.63 | 66.77 | 76.87 | 81.35 | 78.74 | 66.63 | 57.35 | 25.50 | 23.35 | 50.21 | ||||||||||||
1922 | 14.71 | 9.93 | 32.68 | 51.27 | 66.81 | 74.67 | 78.03 | 83.19 | 71.40 | 56.35 | 37.87 | 14.23 | 49.26 | |||||||||||||
1923 | 15.26 | 11.96 | 23.35 | 47.07 | 66.97 | 79.00 | 84.55 | 74.68 | 70.23 | 53.32 | 44.87 | 30.29 | 50.13 | |||||||||||||
1924 | 10.19 | 27.10 | 32.16 | 46.13 | 56.71 | 70.63 | 78.39 | 75.65 | 65.23 | 61.84 | 31.80 | 9.10 | 47.08 | |||||||||||||
1925 | 16.55 | 21.29 | 34.90 | 58.27 | 66.81 | 71.10 | 78.42 | 82.13 | 66.80 | 39.61 | 36.37 | 20.94 | 49.43 | |||||||||||||
1926 | 25.00 | 27.54 | 32.26 | 54.57 | 71.19 | 71.37 | 81.77 | 76.23 | 61.33 | 50.00 | 25.03 | 16.03 | 49.36 | |||||||||||||
1927 | 15.06 | 18.86 | 36.71 | 48.70 | 55.03 | 72.70 | 75.48 | 75.74 | 68.90 | 57.29 | 24.87 | 7.03 | 46.36 | |||||||||||||
1928 | 19.94 | 26.14 | 33.71 | 45.40 | 71.26 | 68.33 | 76.74 | 76.65 | 65.90 | 53.58 | 40.17 | 27.23 | 50.42 | |||||||||||||
1929 | 3.10 | 10.82 | 38.42 | 51.10 | 60.29 | 73.40 | 82.23 | 82.10 | 61.33 | 55.48 | 28.27 | 15.39 | 46.83 | |||||||||||||
1930 | 3.48 | 24.82 | 32.52 | 57.40 | 60.74 | 74.07 | 84.90 | 83.32 | 68.53 | 47.90 | 37.73 | 26.71 | 50.18 | |||||||||||||
1931 | 25.68 | 33.71 | 33.32 | 55.17 | 64.45 | 79.10 | 81.90 | 78.29 | 72.57 | 56.94 | 38.30 | 27.45 | 53.91 | |||||||||||||
1932 | 16.48 | 21.24 | 24.52 | 51.57 | 66.26 | 78.53 | 80.90 | 80.68 | 69.40 | 44.65 | 32.07 | 20.42 | 48.89 | |||||||||||||
1933 | 18.68 | 15.39 | 35.13 | 47.40 | 66.39 | 83.27 | 83.84 | 82.00 | 74.10 | 49.81 | 32.97 | 14.10 | 50.26 | |||||||||||||
1934 | 22.07 | a | 23.54 | 33.87 | 51.80 | 76.19 | 74.20 | 84.68 | 79.97 | 62.40 | 56.97 | 40.40 | 18.35 | 52.04 | ||||||||||||
1935 | 7.55 | 30.11 | 31.00 | 46.27 | 59.42 | 70.60 | 84.30 | a | 75.32 | 68.00 | 54.29 | 24.17 | 16.77 | 47.32 | ||||||||||||
1936 | -1.42 | -6.31 | 30.68 | 44.80 | 75.58 | 76.97 | 94.52 | 81.81 | 70.97 | 52.71 | 36.10 | 21.03 | 48.12 | |||||||||||||
1937 | -0.39 | 13.54 | 30.65 | 47.27 | 67.33 | a | 74.67 | 82.45 | 86.03 | 69.47 | 52.13 | 31.17 | 16.87 | 47.60 | ||||||||||||
1938 | 13.35 | 14.11 | 43.06 | 53.60 | 60.26 | 75.13 | 80.87 | 83.45 | 74.43 | 60.87 | 30.90 | 22.81 | 51.07 | |||||||||||||
1939 | 18.84 | 6.07 | 30.35 | 50.87 | 72.03 | 70.80 | 86.35 | 83.23 | 71.00 | 49.00 | 45.70 | 33.30 | a | 51.46 | ||||||||||||
1940 | 10.87 | 19.66 | 25.94 | 44.33 | 65.06 | 74.27 | 83.00 | 76.74 | 75.00 | a | 59.06 | 27.27 | 25.65 | 48.90 | ||||||||||||
1941 | 15.90 | a | 14.89 | 29.00 | 51.33 | 66.81 | 74.20 | 83.26 | 78.90 | 64.13 | 54.45 | 35.13 | 27.77 | 49.65 | ||||||||||||
1942 | 25.29 | 20.64 | 36.42 | 51.63 | 59.06 | 69.57 | 77.03 | 76.42 | 63.70 | 58.06 | 36.83 | 15.52 | 49.18 | |||||||||||||
1943 | 3.90 | 21.81 | a | 25.00 | 55.27 | 59.52 | 68.97 | 82.19 | 79.77 | 67.87 | 61.48 | 33.97 | 30.45 | 49.18 | ||||||||||||
1944 | 28.87 | 19.76 | 24.90 | 52.27 | 69.87 | 71.70 | 79.26 | 76.13 | 65.80 | 62.19 | 31.43 | 22.19 | 50.36 | |||||||||||||
1945 | 15.97 | 22.00 | a | 42.58 | 45.47 | 56.61 | 68.21 | a | 78.87 | 79.06 | 64.17 | 56.45 | 26.20 | 10.39 | 47.16 | |||||||||||
1946 | 16.58 | 13.93 | 41.45 | 58.90 | 61.97 | 76.03 | 83.19 | 78.03 | 67.43 | 49.35 | 34.40 | 19.58 | 50.07 | |||||||||||||
1947 | 24.55 | 16.39 | 29.45 | 50.33 | 60.84 | 70.47 | 84.42 | 83.94 | 66.90 | 62.00 | 28.47 | 17.97 | 49.64 | |||||||||||||
1948 | 16.71 | 14.14 | a | 24.84 | 45.70 | 66.06 | 73.40 | 79.48 | 81.55 | 77.50 | 58.29 | 34.33 | 16.23 | 49.02 | ||||||||||||
1949 | 9.52 | 9.04 | 26.42 | 56.93 | 67.81 | 74.67 | 80.87 | 85.71 | 68.33 | 52.16 | 42.93 | 12.97 | 48.95 | |||||||||||||
1950 | -5.65 | 14.82 | 26.35 | 38.33 | 56.74 | 73.20 | 76.26 | 75.52 | 68.90 | 55.97 | 27.90 | 14.68 | 43.59 | |||||||||||||
1951 | 8.52 | 16.68 | 21.16 | 48.13 | 69.68 | 69.17 | 82.03 | 73.61 | 62.10 | 48.94 | 28.40 | 12.26 | 45.06 | |||||||||||||
1952 | 9.68 | 25.07 | 27.52 | 62.53 | 67.74 | 76.53 | 80.19 | 79.39 | 74.13 | 53.87 | 38.73 | 25.19 | 51.72 | |||||||||||||
1953 | 19.00 | 25.32 | 34.42 | 45.63 | 62.55 | 73.27 | 79.97 | 83.58 | 69.03 | 64.23 | 42.43 | 25.87 | a | 52.11 | ||||||||||||
1954 | 5.00 | 33.79 | 31.29 | 48.00 | 60.35 | 71.10 | 80.35 | 76.13 | 63.37 | 53.61 | 42.10 | 29.00 | 49.51 | |||||||||||||
1955 | 16.55 | 14.00 | 25.39 | 59.27 | 67.87 | 72.60 | 82.71 | 82.97 | 68.13 | 58.16 | 23.37 | 10.61 | 48.47 | |||||||||||||
1956 | 12.10 | 15.75 | a | 24.68 | 39.47 | 62.80 | a | 78.97 | 76.48 | 78.58 | 64.23 | 59.68 | 34.87 | 22.71 | 47.53 | |||||||||||
1957 | 9.97 | 18.89 | 33.45 | 49.87 | 66.13 | 70.70 | 85.74 | 76.42 | 64.43 | 52.58 | 33.87 | 27.35 | 49.12 | |||||||||||||
1958 | 23.23 | 17.32 | 36.32 | 54.80 | 70.19 | 70.30 | 76.29 | 79.81 | 69.33 | 58.39 | 34.03 | 17.10 | 50.59 | |||||||||||||
1959 | 6.97 | 15.43 | 38.71 | 52.80 | 61.32 | 77.30 | 83.90 | 83.42 | 65.97 | 43.97 | 25.50 | 28.77 | 48.67 | |||||||||||||
1960 | 13.16 | 17.93 | 23.58 | 47.50 | 66.58 | 72.27 | 84.58 | 81.10 | 72.27 | 57.13 | 35.83 | 20.45 | 49.36 | |||||||||||||
1961 | 16.84 | 24.96 | 37.58 | 45.50 | 65.29 | 83.87 | 80.32 | 87.87 | 63.20 | 56.55 | 37.37 | 13.81 | 51.10 | |||||||||||||
1962 | 13.39 | 12.39 | 27.45 | 48.90 | 59.35 | 74.20 | 76.26 | 80.16 | 66.43 | 59.48 | 39.97 | 24.13 | 48.51 | |||||||||||||
1963 | 8.90 | 19.68 | 41.74 | 52.07 | a | 62.48 | b | 77.00 | ----- | z | 82.68 | 75.23 | 69.45 | 42.57 | 15.55 | 49.76 | a | |||||||||
1964 | 22.68 | 27.17 | 27.84 | 53.10 | 68.97 | 72.50 | 83.23 | 74.55 | 65.07 | 57.94 | 35.47 | 10.45 | 49.91 | |||||||||||||
1965 | 9.06 | 20.93 | 24.45 | 49.17 | 65.77 | 73.67 | 78.58 | 79.00 | 55.90 | 59.65 | 32.80 | 28.71 | 48.14 | |||||||||||||
1966 | 0.77 | 16.32 | 37.35 | 44.97 | 62.81 | 75.43 | 82.52 | 76.35 | 72.67 | 57.45 | 28.63 | 20.55 | 47.99 | |||||||||||||
1967 | 19.35 | 16.00 | 34.58 | 46.80 | 62.23 | 75.33 | 83.81 | 84.19 | 74.80 | 53.10 | 36.50 | 22.23 | 50.74 | |||||||||||||
1968 | 14.81 | 18.66 | 42.32 | 54.77 | 62.77 | 73.17 | 81.26 | 75.94 | 68.87 | 56.19 | 38.13 | 14.74 | 50.14 | |||||||||||||
1969 | 4.55 | 18.50 | 24.84 | 54.13 | 68.10 | 68.47 | 79.45 | 87.19 | 71.33 | 48.06 | 38.87 | 24.55 | 49.00 | |||||||||||||
1970 | 8.71 | 22.75 | 27.19 | 45.70 | 62.71 | 80.17 | 83.45 | 82.29 | 71.20 | 56.19 | 33.10 | 18.03 | 49.29 | |||||||||||||
1971 | 5.97 | 21.79 | 31.84 | 53.90 | 67.45 | 75.30 | 75.71 | 82.26 | 67.33 | 54.45 | 32.93 | 18.16 | 48.92 | |||||||||||||
1972 | 10.81 | 13.69 | 30.84 | 47.47 | 70.61 | 77.93 | 76.87 | 81.81 | 64.23 | 50.35 | 30.73 | 13.35 | 47.39 | |||||||||||||
1973 | 22.90 | 26.00 | 42.03 | 50.80 | ----- | z | 75.97 | 80.52 | 83.39 | 66.50 | ----- | z | 27.60 | 15.58 | 49.13 | b | ||||||||||
1974 | 10.43 | a | 18.93 | 26.68 | 50.10 | a | 58.23 | 77.60 | 84.74 | 75.03 | 65.67 | 59.10 | 34.93 | 27.43 | a | 49.07 | ||||||||||
1975 | 18.77 | 17.71 | 27.03 | a | 40.73 | 65.29 | 73.87 | 84.84 | 76.52 | 65.30 | 55.68 | 39.80 | 22.84 | 49.03 | ||||||||||||
1976 | 17.45 | 29.31 | 31.90 | a | 56.03 | 67.90 | 77.27 | 82.48 | 83.65 | 73.83 | 51.94 | 38.07 | b | 18.03 | 52.32 | |||||||||||
1977 | 6.13 | a | 27.89 | 41.61 | 62.40 | 78.19 | 76.57 | 81.77 | 73.58 | ----- | z | ----- | z | ----- | z | ----- | z | 56.02 | d | |||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | 27.53 | a | 35.93 | a | 56.23 | 74.23 | 81.65 | 75.40 | a | ----- | z | 52.93 | c | 33.00 | 29.14 | b | 51.78 | c | ||||
1980 | 14.07 | d | 17.96 | a | 26.70 | a | 61.55 | a | 75.59 | b | 75.93 | a | 80.97 | 75.07 | c | 65.00 | ----- | z | 41.63 | 19.73 | e | 50.38 | a | |||
1981 | 21.80 | a | 26.07 | a | 40.52 | 55.87 | 63.94 | 71.10 | 79.52 | 80.16 | 67.47 | 50.90 | a | 43.47 | 17.90 | 51.56 | ||||||||||
1982 | -2.55 | b | 16.56 | c | 28.48 | b | 48.59 | a | 63.61 | 69.86 | a | 80.06 | 75.61 | 67.33 | 51.53 | a | 30.25 | b | 25.71 | c | 46.26 | |||||
1983 | 25.31 | e | 26.22 | a | 31.23 | a | 46.73 | 61.97 | 74.50 | 83.61 | 85.74 | 65.76 | a | 51.35 | 34.62 | a | 4.73 | a | 49.32 | |||||||
1984 | 18.89 | c | 33.39 | a | 30.00 | 54.60 | 65.13 | 74.87 | 83.00 | 85.10 | a | 62.83 | 52.97 | 34.17 | a | 16.89 | c | 50.99 | ||||||||
1985 | 18.11 | d | 18.50 | d | 39.77 | 57.73 | 70.65 | 68.62 | a | 82.19 | 73.06 | 61.30 | 52.57 | a | 23.03 | a | 16.25 | c | 48.48 | |||||||
1986 | 25.65 | e | 15.96 | b | 40.90 | 49.40 | 67.45 | 77.13 | 79.68 | 76.65 | 62.87 | 54.83 | a | 28.70 | c | 26.18 | c | 50.45 | ||||||||
1987 | 23.39 | 30.68 | 32.43 | c | 62.40 | 71.17 | b | 79.20 | 79.19 | 76.77 | 70.03 | 52.59 | b | 42.20 | 26.97 | 53.92 | ||||||||||
1988 | 16.36 | f | 21.18 | a | 37.54 | c | 59.00 | a | 74.74 | 85.50 | 86.29 | 81.52 | 67.00 | 55.13 | 33.76 | a | 23.80 | f | 60.17 | b | ||||||
1989 | 22.56 | d | 11.78 | e | 25.10 | 50.57 | 69.97 | 74.55 | a | 85.77 | 80.32 | 70.27 | 56.17 | b | 34.85 | d | 13.15 | d | 49.59 | |||||||
1990 | 29.52 | d | 28.28 | c | 39.82 | c | 52.24 | a | 65.42 | 76.03 | 78.81 | 81.77 | 71.93 | 55.19 | 38.50 | 17.43 | a | 52.91 | ||||||||
1991 | 17.16 | 31.79 | 38.10 | 57.31 | a | 68.68 | 76.40 | 79.35 | 82.03 | 66.63 | 48.58 | 28.37 | 26.06 | 51.71 | ||||||||||||
1992 | 26.07 | a | 27.66 | 38.94 | 48.87 | 70.42 | 72.70 | 71.32 | 74.65 | 65.37 | 55.74 | 29.97 | a | 15.21 | b | 49.74 | ||||||||||
1993 | 14.69 | e | 16.64 | 32.03 | 50.63 | 66.00 | 68.77 | 71.19 | 75.39 | 63.24 | a | 52.48 | 31.76 | a | 22.23 | e | 47.09 | |||||||||
1994 | 2.55 | b | 11.42 | d | 36.13 | 52.17 | 69.71 | 73.53 | 75.48 | 76.10 | 71.20 | 54.48 | 38.03 | a | 24.52 | b | 48.78 | |||||||||
1995 | 14.08 | e | 21.80 | c | 28.19 | 44.37 | 62.03 | 78.73 | 77.19 | 79.84 | 69.23 | 50.68 | 26.84 | e | 15.29 | c | 47.36 | |||||||||
1996 | 3.90 | b | 17.27 | c | 23.03 | 41.66 | a | 61.58 | 76.40 | 76.20 | a | 81.10 | 67.10 | 52.84 | 19.97 | 10.11 | c | 44.26 | ||||||||
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.13 | ----- | z | 31.50 | 32.10 | a | 45.24 | i | ||
1998 | 15.55 | 31.75 | 31.81 | 61.00 | 69.71 | 69.03 | 81.19 | 83.16 | 74.83 | 55.48 | 33.30 | 21.19 | 52.33 | |||||||||||||
1999 | 12.10 | 28.25 | 36.19 | 52.53 | 64.23 | 73.60 | 79.55 | 77.61 | 63.77 | 54.81 | 47.03 | 32.00 | 51.81 | |||||||||||||
2000 | 18.61 | 33.03 | 45.35 | 53.67 | 69.21 | b | 71.93 | 80.06 | 78.96 | e | 67.30 | 56.87 | a | 29.40 | 9.21 | b | 51.13 | |||||||||
2001 | 24.48 | 13.79 | 33.93 | a | 52.23 | 68.03 | 73.03 | 80.52 | 82.39 | 70.03 | 50.77 | 45.60 | 25.23 | a | 51.67 | |||||||||||
2002 | 22.65 | 33.22 | a | 26.55 | 47.73 | 62.65 | 76.45 | a | 82.65 | 76.94 | 70.13 | 40.97 | a | 34.68 | b | 26.63 | a | 50.10 | ||||||||
2003 | 16.74 | 15.32 | 30.90 | 55.72 | a | 65.00 | a | 74.07 | 79.35 | 83.06 | 67.33 | 59.19 | 28.62 | a | 26.63 | a | 50.16 | |||||||||
2004 | 7.68 | c | 22.86 | a | 35.80 | a | 53.97 | 60.40 | a | 70.47 | 77.45 | 70.09 | h | 69.40 | 53.27 | a | 43.83 | 26.86 | b | 47.45 | a | |||||
2005 | 12.73 | a | 25.64 | 35.60 | a | 59.57 | 62.39 | 74.40 | 79.81 | 77.67 | a | 72.43 | 56.90 | b | 36.47 | 23.39 | 51.42 | |||||||||
2006 | 30.13 | 19.89 | 31.84 | 60.33 | 67.68 | 77.03 | 85.87 | 80.55 | 67.83 | 49.10 | 36.20 | 28.71 | 52.93 | |||||||||||||
2007 | 21.63 | a | ----- | z | 38.10 | 54.47 | 66.55 | 77.52 | a | 83.48 | 74.77 | 69.34 | a | 55.94 | 35.66 | a | 18.16 | 54.15 | a | |||||||
2008 | 15.90 | a | 15.86 | a | 32.47 | a | 53.45 | a | 63.42 | 72.53 | 79.42 | 78.77 | 66.63 | 53.61 | ----- | z | ----- | z | 53.21 | b | ||||||
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.04 | c | 13.81 | o | 33.04 | k |
2011 | 11.68 | f | 15.71 | 24.19 | 44.63 | 59.03 | 69.67 | 79.87 | 77.45 | 68.83 | 58.26 | 39.00 | 29.39 | 51.46 | a | |||||||||||
2012 | 25.19 | 27.89 | a | 47.00 | 54.30 | 66.77 | 75.93 | 83.61 | 78.32 | 69.87 | 48.32 | 32.00 | a | ----- | z | 55.38 | a | |||||||||
2013 | 17.24 | b | 18.64 | 23.00 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 17.94 | j | |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.60 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.87 | 20.33 | 32.42 | 51.21 | 65.44 | 74.25 | 80.94 | 79.52 | 67.97 | 54.47 | 34.19 | 20.58 | 49.52 | |||||||||||||
S.D. | 7.90 | 7.09 | 5.95 | 5.59 | 4.80 | 3.53 | 3.48 | 3.55 | 3.90 | 4.81 | 5.83 | 6.55 | 2.00 | |||||||||||||
SKEW | -0.33 | -0.31 | 0.28 | -0.11 | 0.17 | 0.53 | 0.16 | 0.20 | -0.05 | -0.28 | -0.00 | -0.16 | -0.37 | |||||||||||||
MAX | 30.13 | 33.79 | 47.00 | 62.53 | 78.19 | 85.50 | 94.52 | 87.87 | 77.50 | 69.45 | 47.03 | 33.30 | 53.92 | |||||||||||||
MIN | -5.65 | -6.31 | 21.16 | 35.93 | 55.03 | 68.21 | 71.19 | 73.06 | 55.90 | 39.61 | 19.97 | 4.73 | 43.59 | |||||||||||||
YRS | 86 | 87 | 88 | 88 | 87 | 88 | 87 | 87 | 87 | 85 | 88 | 85 | 77 |