YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.92 | e | 64.45 | a | 57.45 | 29.77 | 18.27 | a | 51.17 | g | ||
1930 | 6.00 | b | 29.29 | 34.65 | 58.43 | 61.81 | 74.33 | 86.90 | 83.35 | 72.04 | c | 49.39 | 38.33 | 28.48 | b | 51.92 | ||||||||||
1931 | 29.23 | 34.25 | 33.16 | 56.77 | 65.16 | 80.00 | 82.00 | 76.88 | e | 75.28 | a | 59.77 | 39.69 | a | 28.00 | a | 55.02 | |||||||||
1932 | 18.32 | 23.34 | 26.45 | 52.40 | 66.16 | 77.40 | 83.81 | 83.68 | 74.47 | 49.30 | a | 34.48 | a | 23.96 | d | 51.15 | ||||||||||
1933 | 23.79 | g | 20.12 | b | 38.81 | 49.24 | a | 64.40 | a | 84.57 | 86.68 | 84.80 | a | 80.72 | a | 55.70 | a | ----- | z | 23.46 | c | 58.85 | b | |||
1934 | 29.07 | a | 30.04 | a | 37.19 | d | 54.07 | 79.06 | 76.53 | 85.97 | 81.29 | 64.30 | 58.60 | a | 42.53 | 21.45 | 55.01 | |||||||||
1935 | 17.88 | f | 35.08 | d | 33.83 | a | 46.97 | a | 58.65 | 71.50 | 86.10 | a | 79.45 | 73.47 | 57.97 | 27.03 | 17.93 | a | 53.45 | a | ||||||
1936 | -2.00 | -5.21 | 35.13 | a | 47.00 | a | 74.32 | 80.57 | 94.73 | a | 80.90 | 70.70 | 52.87 | 36.21 | a | 26.00 | b | 49.27 | ||||||||
1937 | 5.97 | 21.11 | 36.27 | a | 50.41 | a | 70.06 | 76.00 | 86.06 | 89.37 | a | 72.40 | 54.71 | 35.54 | d | 21.67 | g | 54.35 | a | |||||||
1938 | 21.77 | e | 20.04 | b | 46.03 | 55.93 | a | 62.84 | 76.77 | 82.48 | 86.55 | 76.13 | 63.40 | a | 31.90 | 25.48 | d | 54.11 | ||||||||
1939 | 20.52 | b | 5.42 | b | 34.60 | a | 52.80 | 74.42 | 71.80 | 86.94 | 86.06 | 74.13 | 51.74 | 51.77 | 39.77 | a | 54.16 | |||||||||
1940 | 13.19 | 22.55 | 30.80 | a | 45.69 | a | 65.71 | 76.07 | b | 85.87 | a | 81.39 | 77.14 | b | 63.58 | 30.70 | 30.07 | b | 51.90 | |||||||
1941 | 19.94 | 20.36 | 34.19 | 52.70 | 67.74 | 73.87 | 84.00 | 80.97 | 66.93 | b | 57.83 | b | 38.59 | a | 31.20 | a | 52.36 | |||||||||
1942 | 31.18 | c | 22.48 | a | 38.58 | 53.73 | 59.00 | 69.20 | 78.48 | 78.00 | 64.33 | 60.26 | 39.07 | 18.52 | 51.07 | |||||||||||
1943 | 8.00 | c | 24.00 | ----- | z | 57.10 | 62.07 | c | 72.18 | b | 84.52 | 84.45 | ----- | z | 63.77 | a | 34.37 | 33.96 | f | 54.49 | c | |||||
1944 | 34.07 | b | 22.73 | c | 26.96 | e | 52.40 | 72.43 | a | 78.24 | a | 85.39 | 80.16 | 68.10 | 65.57 | a | 33.28 | e | 23.93 | c | 53.60 | |||||
1945 | 20.04 | c | 25.59 | f | 47.44 | d | 50.37 | c | 59.23 | a | 70.82 | b | 80.65 | 80.40 | a | 67.03 | 60.77 | a | 32.48 | i | 13.81 | d | 55.06 | b | ||
1946 | 20.27 | e | 19.78 | e | 45.63 | a | 62.10 | 64.72 | b | 80.47 | 87.81 | 82.29 | 70.97 | a | 54.33 | a | 37.07 | a | 22.90 | a | 54.03 | |||||
1947 | 28.46 | e | 18.83 | e | 31.90 | b | 50.72 | a | 62.93 | a | 69.97 | 84.00 | 85.77 | a | 68.86 | b | 66.90 | b | 32.37 | c | 24.52 | d | 52.10 | |||
1948 | 21.61 | c | 14.41 | g | 27.30 | d | 47.67 | 68.26 | 74.00 | 81.77 | a | 82.03 | 78.17 | g | 60.14 | c | 37.73 | 20.10 | b | 52.06 | b | |||||
1949 | 11.00 | 9.00 | 27.81 | 59.37 | 69.87 | 75.17 | 80.03 | 86.56 | d | 69.63 | 57.18 | i | 46.31 | a | 16.81 | 50.14 | a | |||||||||
1950 | -4.28 | m | 17.31 | b | 28.66 | b | 38.93 | c | 58.38 | b | 76.00 | 77.87 | 77.06 | 71.33 | 56.94 | 33.24 | a | 16.80 | a | 50.23 | a | |||||
1951 | 12.90 | 23.79 | d | 21.52 | 47.63 | 71.74 | 69.03 | 81.23 | 76.61 | 62.83 | a | 52.41 | b | 29.39 | b | 14.71 | 46.98 | |||||||||
1952 | 12.04 | c | 25.62 | 25.45 | 60.73 | 69.06 | 75.87 | 81.68 | c | 81.90 | 75.27 | 56.52 | 42.96 | b | 26.62 | b | 52.81 | |||||||||
1953 | 22.63 | a | 26.15 | a | 33.94 | 46.23 | 61.29 | 73.03 | 80.17 | a | 83.77 | a | 72.52 | c | 66.84 | 44.59 | a | 28.55 | 53.31 | |||||||
1954 | 7.41 | b | 36.81 | g | 33.31 | e | ----- | z | 63.22 | h | 71.30 | 81.83 | a | 77.97 | 66.00 | ----- | z | 44.64 | b | ----- | z | 54.64 | e | |||
1955 | ----- | z | ----- | z | 30.15 | e | 60.65 | j | 70.23 | a | 73.40 | 82.32 | 83.32 | 68.57 | 62.10 | 24.43 | 11.43 | a | 56.22 | c | ||||||
1956 | 14.74 | 16.31 | 27.26 | 41.87 | 63.29 | 79.30 | 76.26 | 79.26 | 65.10 | 62.58 | 35.31 | a | ----- | z | 51.02 | a | ||||||||||
1957 | 10.97 | 20.89 | 34.90 | 49.60 | 66.61 | 72.07 | 84.87 | 76.90 | 64.80 | 52.81 | 35.80 | 30.87 | 50.09 | |||||||||||||
1958 | 25.37 | a | 18.68 | 33.52 | 54.55 | a | 69.39 | 69.37 | 75.77 | 81.26 | 71.86 | b | 59.81 | 37.47 | 20.87 | 51.49 | ||||||||||
1959 | 11.52 | 14.93 | a | 41.00 | 53.97 | 63.48 | 79.10 | 83.84 | 85.77 | 68.33 | 46.74 | 28.14 | a | 31.03 | 50.65 | |||||||||||
1960 | 16.39 | 19.14 | 25.06 | 49.40 | 67.29 | 73.33 | 84.16 | 82.32 | 72.97 | 59.87 | 39.33 | 22.20 | a | 50.96 | ||||||||||||
1961 | 19.90 | 26.14 | 40.81 | 46.47 | 64.00 | 83.67 | 80.61 | 87.52 | 65.77 | 57.77 | 39.50 | 17.00 | a | 52.43 | ||||||||||||
1962 | 17.32 | 16.00 | 28.74 | 50.37 | 62.19 | 73.07 | 76.61 | 81.06 | 67.37 | 60.19 | 43.27 | 27.00 | 50.27 | |||||||||||||
1963 | 11.55 | 22.11 | 43.26 | 52.70 | 63.81 | 78.30 | 84.03 | 82.77 | 74.57 | 71.06 | 45.60 | 16.77 | 53.88 | |||||||||||||
1964 | 25.77 | 30.17 | 31.00 | 54.10 | 69.19 | 72.23 | 83.00 | 75.42 | 65.83 | 57.90 | 36.40 | 10.16 | 50.93 | |||||||||||||
1965 | 10.74 | 19.14 | 24.16 | 46.90 | 63.16 | 73.60 | 77.97 | 77.77 | 55.30 | 60.06 | 36.77 | 29.71 | 47.94 | |||||||||||||
1966 | 3.03 | 17.37 | a | 37.97 | 43.87 | 62.94 | 74.90 | 83.03 | 75.94 | 72.07 | 57.52 | 30.53 | 21.94 | 48.42 | ||||||||||||
1967 | 18.58 | 17.08 | b | 34.42 | 45.73 | 60.45 | 73.27 | 81.65 | 81.00 | 72.27 | 53.71 | 37.17 | 24.00 | 49.94 | ||||||||||||
1968 | 15.00 | 19.97 | 43.70 | a | 51.67 | 61.84 | 70.90 | 78.16 | 75.74 | 67.13 | 55.71 | 38.33 | 16.68 | 49.57 | ||||||||||||
1969 | 5.55 | 20.33 | a | 24.71 | 53.33 | 66.84 | 66.97 | 77.35 | 84.77 | 71.13 | 47.81 | 39.17 | 25.52 | 48.62 | ||||||||||||
1970 | 9.42 | 24.18 | 27.06 | 45.47 | 61.55 | 78.57 | 82.94 | 81.61 | 69.23 | 55.10 | 33.43 | 18.23 | 48.90 | |||||||||||||
1971 | 8.71 | 20.50 | 32.13 | 52.90 | 64.06 | 74.93 | 75.87 | 83.00 | 68.43 | 54.71 | 33.87 | 18.13 | 48.94 | |||||||||||||
1972 | 12.90 | 15.24 | 31.42 | 46.77 | 69.29 | 76.10 | 77.00 | 81.29 | 64.80 | 51.42 | 31.80 | 15.35 | 47.78 | |||||||||||||
1973 | 23.00 | 27.14 | 42.26 | 51.63 | 67.16 | 76.07 | 80.48 | 83.58 | 66.03 | 59.74 | 30.80 | 16.42 | 52.03 | |||||||||||||
1974 | 12.45 | 21.04 | 29.23 | 49.07 | 59.00 | 75.37 | 84.48 | 74.74 | 66.10 | 59.03 | 36.17 | 27.52 | 49.52 | |||||||||||||
1975 | 21.45 | 18.32 | 30.10 | 38.37 | 64.35 | 72.50 | 83.26 | 76.48 | 66.10 | 57.23 | 41.57 | 24.94 | 49.56 | |||||||||||||
1976 | 18.39 | 31.66 | 31.61 | 56.67 | 69.00 | 77.87 | 82.55 | 84.94 | 73.77 | 52.42 | 35.13 | 21.19 | 52.93 | |||||||||||||
1977 | 5.35 | 28.75 | 41.23 | 61.73 | 76.19 | 77.00 | 80.81 | 72.23 | 64.30 | 57.29 | 35.07 | 13.26 | 51.10 | |||||||||||||
1978 | 3.90 | 13.32 | 32.35 | 50.23 | 70.23 | 74.60 | 80.52 | 80.58 | 73.53 | 57.81 | 32.43 | 16.35 | 48.82 | |||||||||||||
1979 | 2.58 | 7.18 | 27.58 | 38.57 | 57.55 | 73.07 | 80.00 | 75.00 | 72.37 | 55.03 | 34.40 | 32.03 | 46.28 | |||||||||||||
1980 | 15.71 | 19.31 | 29.29 | 62.13 | 75.13 | 74.50 | 82.00 | 73.06 | 65.63 | 52.06 | 41.27 | 23.77 | 51.16 | |||||||||||||
1981 | 23.26 | 27.04 | 42.26 | 57.40 | 65.00 | 71.50 | 79.94 | 80.35 | 68.27 | 53.10 | 45.63 | 19.77 | 52.79 | |||||||||||||
1982 | 1.52 | 17.64 | 29.68 | 49.90 | 64.71 | 69.40 | 79.84 | 77.23 | 69.13 | 52.77 | 30.53 | 28.00 | 47.53 | |||||||||||||
1983 | 26.58 | 29.22 | a | 31.73 | a | 47.63 | 62.68 | 74.27 | 84.23 | 86.16 | 67.63 | 52.87 | 35.53 | 5.90 | a | 50.37 | ||||||||||
1984 | 20.39 | 32.69 | 28.67 | a | 53.34 | a | 63.94 | 74.00 | a | 82.35 | 84.48 | 63.03 | 53.52 | 35.10 | 16.00 | a | 50.63 | |||||||||
1985 | 15.52 | 18.29 | 42.47 | a | 58.23 | 71.42 | 68.73 | 81.42 | 73.29 | 60.70 | 53.52 | 23.00 | a | 17.00 | 48.63 | |||||||||||
1986 | 24.20 | a | 17.73 | b | 44.53 | a | 50.10 | 68.29 | 76.60 | 79.65 | 76.03 | 62.83 | 55.07 | a | 31.41 | c | 27.30 | a | 51.14 | |||||||
1987 | 25.86 | b | 31.96 | c | 33.60 | a | 63.55 | a | 70.45 | 80.63 | 80.81 | 76.23 | 70.90 | 54.48 | 43.23 | 29.90 | 55.13 | |||||||||
1988 | 20.46 | c | 20.96 | a | 37.61 | 59.73 | 74.77 | 87.30 | 89.52 | 81.10 | 67.30 | 57.43 | a | 33.31 | a | 25.63 | a | 54.59 | ||||||||
1989 | 25.13 | 12.25 | 31.76 | f | 54.23 | 71.55 | 76.50 | 88.16 | 81.83 | a | 73.17 | 57.10 | a | 36.27 | 17.68 | 53.99 | a | |||||||||
1990 | 32.52 | 29.32 | 42.50 | a | 56.17 | 67.90 | 74.63 | 79.10 | 83.73 | a | 74.07 | 56.93 | a | 40.48 | a | 18.23 | 54.63 | |||||||||
1991 | 16.29 | 34.43 | 41.00 | 58.40 | 67.87 | 76.10 | 79.39 | 82.97 | 67.50 | 49.16 | 28.53 | 26.97 | 52.38 | |||||||||||||
1992 | 28.74 | 29.86 | 40.48 | 49.57 | 70.03 | 72.67 | 73.71 | 75.55 | 67.30 | 55.29 | 28.93 | 13.45 | 50.47 | |||||||||||||
1993 | 15.73 | a | 16.61 | 32.87 | 50.53 | 65.48 | 69.10 | 71.55 | 75.32 | 63.87 | 53.52 | 31.83 | 22.19 | 47.38 | ||||||||||||
1994 | 3.65 | 10.50 | 38.29 | 51.57 | 70.32 | 74.73 | 74.97 | 76.23 | 70.70 | 54.71 | 37.07 | 23.42 | 48.85 | |||||||||||||
1995 | 15.13 | 20.21 | 29.68 | 44.37 | 62.26 | 76.53 | 76.97 | 80.39 | 68.00 | 50.55 | 27.93 | 15.87 | 47.32 | |||||||||||||
1996 | 6.97 | 20.69 | 24.45 | 42.43 | 61.10 | 75.80 | 75.81 | 79.87 | 66.07 | 52.65 | 20.77 | 10.65 | 44.77 | |||||||||||||
1997 | 8.52 | 24.32 | 28.68 | 42.67 | 62.83 | a | 78.20 | 78.13 | 78.77 | 72.10 | 54.68 | 29.40 | 30.77 | a | 49.09 | |||||||||||
1998 | 16.00 | 31.07 | 29.58 | 58.60 | 68.42 | 68.87 | 81.71 | 82.19 | 74.33 | 53.71 | 33.17 | 22.97 | 51.72 | |||||||||||||
1999 | 13.77 | 28.67 | a | 36.71 | 50.83 | 63.77 | 73.27 | 79.87 | 77.52 | 62.40 | 54.03 | 47.50 | 32.29 | 51.72 | ||||||||||||
2000 | 19.84 | 31.17 | 43.52 | 51.33 | 66.94 | 71.47 | 79.13 | 77.97 | 67.33 | 56.19 | 28.17 | 8.94 | 50.17 | |||||||||||||
2001 | 25.83 | a | 13.79 | 32.68 | 50.10 | 66.81 | 72.97 | 80.06 | 82.29 | 69.00 | 52.16 | 46.70 | 25.10 | a | 51.46 | |||||||||||
2002 | 24.39 | 32.75 | 25.39 | 45.77 | 59.13 | 77.23 | 81.29 | 77.29 | 71.20 | 42.55 | 37.23 | 26.90 | 50.09 | |||||||||||||
2003 | 17.16 | 16.04 | 29.45 | 54.00 | 62.61 | 71.83 | 78.13 | 82.90 | 67.87 | 60.06 | 29.00 | 28.00 | a | 49.75 | ||||||||||||
2004 | 10.17 | a | 21.14 | a | 36.48 | 53.67 | 58.39 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.37 | h | ||
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z |
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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 16.47 | 21.68 | 33.79 | 51.39 | 66.11 | 74.74 | 81.52 | 80.60 | 69.00 | 56.31 | 35.69 | 22.07 | 50.83 | |||||||||||||
S.D. | 8.26 | 7.40 | 6.21 | 5.68 | 4.68 | 3.82 | 3.90 | 3.83 | 4.35 | 4.88 | 6.05 | 6.56 | 2.34 | |||||||||||||
SKEW | -0.02 | -0.59 | 0.32 | -0.08 | 0.41 | 0.64 | 0.31 | -0.09 | -0.11 | 0.28 | 0.17 | -0.08 | -0.11 | |||||||||||||
MAX | 34.07 | 35.08 | 47.44 | 63.55 | 79.06 | 87.30 | 94.73 | 89.37 | 80.72 | 71.06 | 51.77 | 39.77 | 55.13 | |||||||||||||
MIN | -2.00 | -5.21 | 21.52 | 38.37 | 57.55 | 66.97 | 71.55 | 72.23 | 55.30 | 42.55 | 20.77 | 5.90 | 44.77 | |||||||||||||
YRS | 71 | 71 | 73 | 73 | 73 | 74 | 74 | 75 | 73 | 73 | 73 | 71 | 62 |