YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | 67.42 | 76.15 | c | 81.00 | 84.42 | 76.97 | 44.61 | 41.53 | 22.63 | a | 61.84 | d | ||||||
1926 | 25.90 | a | 30.93 | 35.13 | 56.13 | 75.94 | 75.17 | 83.55 | 79.97 | 66.80 | 55.68 | c | 35.68 | b | 24.16 | 53.75 | ||||||||||
1927 | 23.61 | 33.11 | 45.83 | a | 57.74 | c | 65.68 | 76.27 | 81.20 | a | 80.07 | a | 72.47 | 64.39 | 37.33 | 16.81 | 54.54 | |||||||||
1928 | 25.90 | 30.28 | 44.77 | 52.27 | 74.55 | 76.37 | 84.97 | 82.81 | 70.37 | 61.87 | a | 45.13 | 33.94 | 56.93 | ||||||||||||
1929 | 12.26 | 19.14 | 42.65 | 59.43 | 67.97 | 79.47 | 87.32 | 82.43 | a | 71.33 | 61.42 | 38.33 | 26.03 | 53.98 | ||||||||||||
1930 | 15.58 | 36.54 | 44.42 | 62.77 | 71.19 | 80.60 | 89.10 | 86.77 | 74.90 | 55.90 | 46.60 | 29.58 | 57.83 | |||||||||||||
1931 | 35.45 | 42.14 | 40.81 | 64.77 | 71.13 | 86.57 | 91.61 | 84.45 | 81.73 | 65.39 | 49.27 | 37.13 | 62.54 | |||||||||||||
1932 | 26.42 | 30.93 | 32.23 | 57.90 | 70.77 | 83.40 | 88.06 | 85.39 | 74.97 | 58.35 | 40.50 | 26.97 | 56.32 | |||||||||||||
1933 | 33.61 | 25.54 | 42.29 | 57.47 | 70.06 | 92.47 | 91.81 | 84.90 | 80.63 | 59.81 | 41.57 | 29.39 | 59.13 | |||||||||||||
1934 | 30.29 | 30.71 | 43.52 | 58.53 | 85.19 | 88.43 | 89.61 | 83.16 | 71.40 | 67.13 | 47.37 | 24.71 | 60.01 | |||||||||||||
1935 | 21.03 | a | 33.93 | 45.23 | 53.63 | 65.52 | 75.70 | 91.26 | 84.65 | 76.20 | 59.81 | 36.87 | 25.06 | 55.74 | ||||||||||||
1936 | 13.27 | a | 9.48 | 37.06 | 48.87 | 77.68 | 78.40 | 94.55 | 87.00 | 79.47 | 57.84 | 39.53 | 31.68 | 54.57 | ||||||||||||
1937 | 15.61 | c | 23.89 | 35.68 | 54.00 | 72.77 | 78.23 | 89.63 | a | 88.90 | 75.77 | 55.13 | 39.27 | 25.61 | 54.54 | |||||||||||
1938 | 21.42 | 30.29 | 48.48 | 57.70 | 65.16 | 78.03 | 83.00 | 84.84 | 74.30 | 68.84 | 40.40 | 29.26 | 56.81 | |||||||||||||
1939 | 28.87 | 24.21 | 41.26 | 55.73 | 78.94 | 81.10 | 87.03 | 85.35 | 79.83 | 59.77 | 50.00 | 39.42 | 59.29 | |||||||||||||
1940 | 15.35 | 28.69 | 32.23 | 55.37 | 70.16 | 80.07 | 88.55 | 78.39 | 78.27 | 66.87 | 35.57 | 29.45 | 54.91 | |||||||||||||
1941 | 25.90 | 24.54 | 36.52 | 63.67 | 76.94 | 79.20 | 86.71 | 85.45 | 74.97 | 61.71 | 46.57 | 34.55 | 58.06 | |||||||||||||
1942 | 29.52 | 27.79 | 44.90 | 66.47 | 67.06 | 77.83 | 83.39 | 82.06 | 67.90 | 61.39 | 44.63 | 24.10 | 56.42 | |||||||||||||
1943 | 16.65 | 30.25 | 35.06 | 58.77 | 67.29 | 81.37 | 84.77 | 83.77 | 71.87 | 62.03 | 34.70 | 30.10 | 54.72 | |||||||||||||
1944 | 35.90 | 32.83 | 34.16 | 52.47 | 71.29 | 80.47 | 80.29 | 83.45 | 72.23 | 63.90 | 43.03 | 25.10 | 56.26 | |||||||||||||
1945 | 19.55 | 26.61 | 48.84 | 54.00 | 62.84 | 69.90 | 81.03 | 81.06 | 72.53 | 62.52 | 41.27 | 20.71 | 53.40 | |||||||||||||
1946 | 24.90 | 27.39 | 51.71 | 63.57 | 68.45 | 78.93 | 84.29 | 82.65 | 72.13 | 62.06 | 42.00 | 29.03 | 57.26 | |||||||||||||
1947 | 31.32 | 22.68 | 36.68 | 51.60 | 66.26 | 75.50 | 85.29 | 91.23 | a | 75.67 | 71.06 | 33.83 | 25.13 | 55.52 | ||||||||||||
1948 | 19.26 | 24.31 | 37.29 | 63.83 | 71.19 | 79.40 | 89.42 | 84.84 | 81.60 | 64.10 | 42.33 | 29.10 | 57.22 | |||||||||||||
1949 | 23.58 | 25.57 | 39.52 | 61.50 | 76.13 | 85.67 | 89.87 | 87.32 | 71.93 | 65.48 | 47.90 | 29.71 | 58.68 | |||||||||||||
1950 | 18.58 | 27.88 | c | 32.87 | 47.13 | 67.77 | 82.40 | 83.16 | 80.97 | 74.47 | 65.74 | 37.57 | 21.06 | 53.30 | ||||||||||||
1951 | 17.52 | 25.22 | a | 29.81 | 49.83 | 73.70 | a | 75.37 | 83.58 | 78.48 | 68.43 | 59.45 | 33.97 | 23.65 | 51.58 | |||||||||||
1952 | 23.65 | 31.48 | 33.23 | 61.50 | 71.48 | 81.97 | 85.61 | 81.32 | 76.63 | 58.87 | 45.87 | 30.06 | 56.81 | |||||||||||||
1953 | 24.90 | 27.85 | a | 39.52 | 51.57 | 71.45 | 82.03 | 84.23 | 84.48 | 76.77 | 71.32 | 49.07 | 30.81 | 57.83 | ||||||||||||
1954 | 20.97 | 41.61 | 37.71 | 59.87 | 64.16 | 81.00 | 84.06 | 80.94 | 71.00 | 56.58 | 47.00 | 28.94 | 56.15 | |||||||||||||
1955 | 22.42 | 25.00 | 37.48 | 67.60 | 77.65 | 80.30 | 88.97 | 86.81 | 75.47 | 64.16 | 34.73 | 22.13 | 56.89 | |||||||||||||
1956 | 21.39 | 25.34 | 34.48 | 55.10 | 71.00 | 84.90 | 80.94 | 81.23 | a | 73.00 | 69.80 | a | 42.03 | 32.19 | 55.95 | |||||||||||
1957 | 20.77 | 31.04 | 40.00 | 58.80 | 69.74 | 78.79 | a | 86.77 | 80.52 | 71.00 | 57.84 | 39.67 | 34.26 | 55.77 | ||||||||||||
1958 | 29.61 | 25.43 | 41.19 | 60.60 | 75.03 | 74.77 | 81.03 | 84.13 | 75.60 | 65.61 | 47.07 | a | 25.76 | b | 57.15 | |||||||||||
1959 | 20.87 | 27.32 | 45.26 | 60.83 | 73.38 | b | 80.57 | 85.81 | 84.97 | 73.70 | 53.10 | 34.43 | b | 38.15 | d | 56.53 | ||||||||||
1960 | 23.97 | b | 26.54 | a | 31.65 | 57.83 | 69.42 | 77.56 | e | 84.59 | d | 83.97 | b | 74.10 | 63.39 | 45.34 | a | 26.73 | e | 55.42 | ||||||
1961 | 24.52 | 35.54 | 43.65 | 50.77 | 69.55 | 82.87 | 82.84 | 85.44 | f | 71.63 | 63.90 | 42.87 | 25.32 | 53.95 | a | |||||||||||
1962 | 20.10 | a | 22.82 | 34.61 | 55.70 | 73.74 | 79.79 | a | 79.52 | 82.58 | 70.63 | 62.10 | 44.48 | a | 29.13 | 54.60 | ||||||||||
1963 | 12.23 | a | 25.50 | 46.23 | 59.23 | 67.16 | 82.37 | 84.58 | 80.32 | 73.47 | 71.39 | 48.33 | 18.18 | c | 55.75 | |||||||||||
1964 | 28.97 | 34.28 | 35.43 | a | 57.17 | 73.23 | 79.87 | 87.13 | 78.65 | 69.60 | 59.65 | 44.77 | 21.32 | 55.84 | ||||||||||||
1965 | 18.90 | 17.71 | g | ----- | z | 48.57 | 70.00 | 77.83 | 81.26 | 79.39 | 61.77 | 62.23 | 42.13 | 33.81 | 57.59 | b | ||||||||||
1966 | 11.90 | 24.29 | 44.52 | 50.80 | 65.00 | 79.33 | 87.61 | 78.29 | 72.90 | 59.32 | 38.97 | 24.90 | 53.15 | |||||||||||||
1967 | 24.97 | 20.11 | 38.83 | a | 54.63 | 64.16 | 76.75 | b | 80.61 | 78.61 | 71.92 | e | 57.50 | a | 40.30 | 30.06 | 53.21 | |||||||||
1968 | 22.63 | a | 25.52 | 53.57 | a | 62.03 | 66.71 | 80.17 | 82.94 | 82.81 | 71.37 | 60.32 | 41.27 | 25.84 | 56.26 | |||||||||||
1969 | 16.32 | 26.61 | 32.58 | 59.48 | a | 73.71 | 73.39 | b | 85.41 | i | 88.48 | b | 74.27 | 55.19 | 41.20 | 27.77 | 51.73 | a | ||||||||
1970 | 14.00 | 26.54 | 33.03 | 55.10 | 68.26 | 80.70 | 85.26 | 82.03 | 70.63 | 58.77 | 38.37 | 25.68 | 53.20 | |||||||||||||
1971 | 16.13 | 24.21 | 33.92 | g | 59.73 | h | 69.00 | 83.60 | 80.32 | 82.40 | a | 73.63 | 64.81 | 41.41 | a | 26.81 | 56.23 | b | ||||||||
1972 | 17.23 | 21.66 | 36.35 | 53.70 | 75.97 | 82.80 | 82.16 | 82.47 | a | 71.37 | 55.48 | 38.70 | 21.03 | 53.24 | ||||||||||||
1973 | 26.52 | 31.29 | 48.55 | 57.13 | 69.35 | 84.23 | 85.90 | ----- | z | 71.07 | 66.55 | 43.43 | 24.77 | 55.35 | a | |||||||||||
1974 | 22.87 | 27.25 | 39.32 | 60.40 | 67.23 | 81.00 | 90.94 | 79.68 | 72.30 | 63.45 | 42.13 | 31.74 | 56.53 | |||||||||||||
1975 | 24.03 | a | 26.29 | 33.76 | b | 47.10 | 75.70 | a | 80.63 | 89.16 | 83.55 | 70.80 | 65.74 | 46.67 | 26.94 | 55.86 | ||||||||||
1976 | 22.84 | 37.10 | 42.52 | 65.10 | 73.48 | 85.77 | 90.00 | 86.13 | 76.93 | 56.39 | 37.53 | 23.00 | 58.07 | |||||||||||||
1977 | 9.77 | a | 33.61 | 46.90 | 66.83 | a | 85.05 | j | 82.77 | 87.97 | ----- | z | 72.83 | 59.90 | a | 40.97 | 22.93 | a | 52.45 | b | ||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.87 | 79.74 | 76.27 | 59.77 | 40.70 | 35.43 | a | 62.80 | f | |||||
1980 | 25.42 | 26.59 | 38.48 | 63.57 | 77.52 | 82.20 | 88.77 | 83.35 | 74.10 | 56.90 | 47.90 | 29.90 | a | 57.89 | ||||||||||||
1981 | 31.52 | 34.29 | 51.97 | 63.07 | 70.52 | 79.17 | 84.55 | 79.87 | 72.93 | 57.52 | 47.90 | 26.19 | 58.29 | |||||||||||||
1982 | 13.65 | 26.39 | 37.19 | 55.45 | a | 74.06 | 77.73 | 87.33 | a | 83.81 | 72.30 | 61.29 | 39.53 | 33.77 | 55.21 | |||||||||||
1983 | 28.58 | 32.71 | 41.16 | 52.90 | 67.58 | 79.43 | 88.77 | a | 89.06 | 74.40 | 60.16 | 40.83 | 12.60 | a | 55.68 | |||||||||||
1984 | 23.45 | 36.45 | 34.71 | 58.37 | 70.55 | 81.45 | a | 84.71 | g | 85.32 | 70.83 | 61.19 | 43.70 | 26.18 | c | 53.84 | a | |||||||||
1985 | 23.52 | 26.86 | 46.23 | 65.87 | 76.94 | 78.33 | 86.26 | 77.23 | 70.53 | 59.45 | 33.63 | 18.71 | 55.30 | |||||||||||||
1986 | 27.32 | 24.46 | 44.94 | 62.40 | 72.97 | 83.33 | 84.81 | 79.81 | 70.17 | a | 61.52 | 38.73 | 33.55 | 57.00 | ||||||||||||
1987 | 32.00 | 43.57 | 50.60 | a | 70.37 | 78.90 | b | 87.30 | 87.74 | 80.61 | 75.27 | 57.52 | 46.73 | 32.77 | 61.95 | |||||||||||
1988 | 21.42 | 25.76 | 45.74 | 62.97 | a | 81.87 | 89.80 | 91.68 | 87.13 | 76.67 | 57.55 | 41.93 | 30.90 | 59.45 | ||||||||||||
1989 | 33.81 | 22.64 | 36.84 | 59.93 | 72.58 | 81.63 | 87.13 | 82.68 | 73.63 | 65.68 | 38.90 | 20.61 | 56.34 | |||||||||||||
1990 | 37.58 | 36.54 | 47.35 | 61.33 | 69.74 | 82.50 | 83.45 | 81.81 | 77.40 | 61.23 | a | 48.87 | 27.48 | 59.61 | ||||||||||||
1991 | 23.61 | 37.04 | 46.65 | 63.13 | 72.45 | 84.67 | 83.39 | 83.19 | 70.53 | 60.03 | 32.70 | 30.48 | 57.32 | |||||||||||||
1992 | 31.16 | 35.76 | 44.48 | 54.37 | 74.84 | 78.80 | 76.71 | 77.13 | 72.83 | 59.65 | 36.66 | a | 29.32 | 55.98 | ||||||||||||
1993 | 24.81 | 25.46 | 39.23 | 56.83 | 69.13 | 75.93 | a | 80.23 | 81.00 | 66.52 | a | 59.20 | a | 38.53 | 29.29 | 53.85 | ||||||||||
1994 | 15.29 | 23.07 | 44.90 | a | 60.70 | 75.58 | 83.03 | 81.52 | 78.61 | 75.00 | 62.26 | 47.20 | 32.87 | 56.67 | ||||||||||||
1995 | 26.17 | a | 30.14 | 44.35 | 53.67 | 69.39 | 83.15 | c | 86.96 | f | 85.39 | 72.17 | 58.13 | 35.27 | 27.52 | 53.21 | a | |||||||||
1996 | 20.03 | a | 28.55 | 36.81 | 55.28 | a | 67.32 | 80.87 | 82.52 | 82.58 | 73.37 | 63.39 | 34.07 | ----- | z | 56.80 | a | |||||||||
1997 | ----- | z | 31.00 | 40.00 | a | 57.00 | 68.48 | 83.73 | 82.90 | 80.45 | 76.60 | 64.58 | 36.38 | a | 34.68 | 59.62 | a | |||||||||
1998 | 28.50 | a | 40.15 | b | 42.53 | a | 64.47 | 80.90 | 77.93 | 84.93 | a | 84.84 | 82.43 | 63.65 | 47.33 | 38.19 | 61.32 | |||||||||
1999 | 23.38 | b | 39.93 | 48.48 | 61.79 | a | 74.10 | a | 82.20 | 89.84 | 83.77 | 76.73 | 65.35 | 55.33 | 38.62 | b | 61.63 | |||||||||
2000 | 28.63 | a | 39.50 | a | 54.93 | a | 61.23 | 74.97 | 79.73 | 86.03 | a | 85.97 | a | 77.83 | a | 68.37 | d | ----- | z | ----- | z | 65.72 | b | |||
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.43 | b | 62.83 | m | 57.32 | b | 43.11 | l | 64.88 | j |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | 68.04 | e | 76.92 | e | 81.94 | 84.10 | 72.36 | b | 62.96 | f | ----- | z | 28.45 | i | 76.67 | g | ||
2004 | 18.39 | 26.00 | 42.84 | 60.65 | d | 66.10 | b | 73.57 | 79.35 | 73.82 | i | 76.36 | b | 58.21 | c | 45.00 | a | 29.30 | d | 52.34 | a | |||||
2005 | 21.16 | 34.16 | c | 33.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.66 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.10 | 29.14 | 40.97 | 58.19 | 71.46 | 80.42 | 85.39 | 82.96 | 73.63 | 61.42 | 41.93 | 27.98 | 56.47 | |||||||||||||
S.D. | 6.20 | 5.98 | 5.88 | 5.12 | 4.50 | 3.82 | 3.63 | 2.99 | 3.53 | 4.50 | 5.13 | 5.31 | 2.29 | |||||||||||||
SKEW | 0.08 | 0.14 | 0.23 | -0.10 | 0.53 | 0.33 | 0.11 | 0.23 | -0.02 | -0.28 | 0.41 | -0.13 | 0.55 | |||||||||||||
MAX | 37.58 | 43.57 | 54.93 | 70.37 | 85.19 | 92.47 | 94.55 | 91.23 | 82.43 | 71.39 | 57.32 | 39.42 | 62.54 | |||||||||||||
MIN | 9.77 | 9.48 | 29.81 | 47.10 | 62.84 | 69.90 | 76.71 | 77.13 | 61.77 | 44.61 | 32.70 | 12.60 | 51.58 | |||||||||||||
YRS | 74 | 74 | 72 | 73 | 75 | 76 | 74 | 73 | 78 | 76 | 76 | 74 | 62 |