YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | 79.55 | k | 75.07 | 85.89 | l | 77.58 | 72.13 | 52.13 | 36.00 | 31.77 | 57.45 | f | ||||||
1937 | 24.16 | 29.11 | a | 36.00 | 48.47 | 69.17 | b | 76.23 | 83.90 | a | 87.87 | 70.93 | 51.68 | 39.73 | 25.81 | 53.59 | ||||||||||
1938 | 22.52 | 30.54 | 45.19 | 53.67 | 66.29 | 73.53 | 78.84 | 80.10 | 68.63 | 64.77 | a | 42.70 | 29.14 | c | 54.66 | |||||||||||
1939 | 27.48 | 25.04 | 38.00 | 54.07 | 73.39 | 75.83 | 82.84 | 79.10 | 73.13 | 55.84 | 46.33 | 35.42 | 55.54 | |||||||||||||
1940 | 21.48 | 29.83 | 33.71 | 51.37 | 64.94 | 74.70 | 81.48 | 77.07 | a | 73.47 | 58.77 | 40.03 | a | 30.65 | 53.12 | |||||||||||
1941 | 25.87 | 29.82 | 37.52 | 64.60 | 73.26 | 79.27 | 81.68 | 78.03 | 71.43 | 56.84 | 43.43 | 33.42 | 56.26 | |||||||||||||
1942 | 27.52 | 27.79 | 41.87 | a | 65.17 | 68.19 | 77.07 | 80.45 | 78.48 | 69.90 | 62.03 | 44.70 | 24.39 | 55.63 | ||||||||||||
1943 | 23.45 | 32.36 | 37.06 | 52.80 | 68.06 | 80.03 | 84.39 | 79.65 | 68.60 | 61.45 | 39.73 | 34.10 | 55.14 | |||||||||||||
1944 | 37.84 | 33.14 | 36.48 | 53.83 | 74.03 | 78.63 | 81.81 | 81.77 | 69.80 | 63.00 | 44.40 | 28.29 | 56.92 | |||||||||||||
1945 | 20.97 | 32.50 | 52.10 | 57.93 | 63.35 | 73.70 | 78.42 | 80.84 | 69.63 | 57.68 | 40.53 | 25.17 | a | 54.40 | ||||||||||||
1946 | 27.52 | 28.29 | 52.90 | 61.10 | 69.23 | 76.67 | 82.55 | 76.42 | 70.43 | 64.90 | 43.47 | 31.10 | b | 57.05 | ||||||||||||
1947 | 29.55 | 28.63 | a | 39.65 | 52.40 | 61.30 | a | 71.63 | 80.23 | 85.33 | a | 69.33 | 66.90 | b | 35.87 | 28.07 | a | 54.07 | ||||||||
1948 | 20.60 | a | 27.48 | 38.45 | 53.85 | c | 67.48 | 73.73 | 79.13 | 78.48 | 75.63 | 58.35 | 40.90 | 31.00 | 53.76 | |||||||||||
1949 | 28.74 | 27.59 | a | 35.71 | 59.73 | 69.65 | 81.50 | 80.23 | 79.81 | 65.07 | 60.58 | 38.77 | 28.26 | 54.64 | ||||||||||||
1950 | 22.23 | 26.11 | 34.39 | 39.63 | 65.03 | 75.00 | 76.90 | 72.16 | 66.53 | 60.81 | 34.40 | 23.42 | 49.72 | |||||||||||||
1951 | 21.93 | a | 26.75 | 33.97 | 49.63 | 70.94 | 71.77 | 78.65 | 72.32 | 64.03 | 53.58 | 34.37 | 25.65 | 50.30 | ||||||||||||
1952 | 25.39 | 31.79 | 35.52 | 58.97 | 65.81 | 75.83 | a | 79.90 | 76.19 | 70.47 | 52.45 | 41.47 | 30.65 | 53.70 | ||||||||||||
1953 | 27.19 | 27.07 | 37.61 | 47.53 | 67.61 | 75.00 | 78.71 | 78.90 | 68.33 | 64.42 | 45.93 | 30.48 | 54.07 | |||||||||||||
1954 | 21.48 | 35.04 | 34.16 | 52.13 | 60.52 | 76.80 | 78.10 | 75.48 | 62.53 | 55.61 | 41.53 | 27.97 | 51.78 | |||||||||||||
1955 | 22.90 | 26.11 | 34.42 | 59.97 | 71.42 | e | 76.23 | 84.61 | 79.90 | 68.40 | 58.03 | 34.20 | 22.71 | 53.24 | ||||||||||||
1956 | 26.45 | 29.31 | 34.47 | a | 47.63 | 65.42 | 76.33 | 73.35 | 74.77 | 64.30 | 64.55 | 38.07 | 28.61 | 51.94 | ||||||||||||
1957 | 16.94 | 29.04 | 37.81 | 54.73 | 64.39 | 73.47 | 81.06 | 75.29 | 65.93 | 56.87 | 37.33 | 28.39 | 51.77 | |||||||||||||
1958 | 26.13 | 22.64 | 39.58 | 55.80 | 65.90 | 71.03 | 78.29 | 77.97 | 68.17 | 57.00 | 41.33 | 19.90 | 51.98 | |||||||||||||
1959 | 16.52 | 24.32 | 38.71 | 51.87 | 70.23 | 78.00 | 80.61 | 79.10 | 69.13 | 49.13 | 30.80 | 32.42 | 51.74 | |||||||||||||
1960 | 23.97 | 27.45 | 32.26 | 50.57 | 63.97 | 73.41 | a | 78.23 | 78.42 | 67.30 | 56.26 | 40.87 | 24.10 | 51.40 | ||||||||||||
1961 | 21.23 | 33.14 | 38.84 | 47.90 | 62.94 | 76.33 | 77.84 | 79.55 | 67.97 | 57.42 | 39.37 | 24.42 | 52.24 | |||||||||||||
1962 | 17.65 | 22.21 | 39.48 | 50.93 | 68.77 | 74.77 | 75.94 | 77.19 | 63.67 | 56.58 | 39.43 | 25.65 | 51.02 | |||||||||||||
1963 | 12.71 | 19.64 | 39.48 | 56.20 | 63.84 | 78.60 | 81.84 | 75.55 | 67.20 | 67.84 | 43.70 | 21.32 | 52.33 | |||||||||||||
1964 | 28.81 | 29.76 | 34.65 | 52.23 | 70.77 | 76.23 | 81.23 | 71.61 | 63.73 | 54.71 | 42.17 | a | 23.65 | 52.46 | ||||||||||||
1965 | 19.61 | 23.18 | 32.23 | 47.77 | 68.29 | 73.90 | 76.58 | 75.19 | 61.23 | 54.23 | 38.27 | 31.03 | 50.13 | |||||||||||||
1966 | 17.94 | 26.75 | 39.13 | 48.07 | 60.23 | 79.03 | 84.39 | 73.87 | 68.07 | 53.84 | 35.57 | 25.90 | 51.06 | |||||||||||||
1967 | 24.29 | 20.25 | 37.97 | 51.10 | 60.90 | 73.70 | 77.26 | 73.19 | 67.70 | 51.48 | 33.67 | 26.71 | 49.85 | |||||||||||||
1968 | 21.84 | 22.62 | 43.74 | 53.80 | 61.45 | 71.37 | 76.32 | 76.29 | 66.97 | 56.45 | 37.70 | 25.19 | 51.15 | |||||||||||||
1969 | 22.55 | 28.68 | 34.81 | 53.20 | 66.71 | 64.93 | 78.03 | 81.77 | 67.60 | 48.84 | 37.53 | 27.23 | 50.99 | |||||||||||||
1970 | 17.45 | 25.11 | a | 34.61 | 52.67 | 61.74 | 77.13 | 81.35 | 78.45 | 65.77 | 55.39 | 37.63 | 25.32 | 51.05 | ||||||||||||
1971 | 15.94 | 23.46 | 31.23 | 50.60 | 62.45 | 78.47 | 75.45 | 75.71 | 68.17 | 59.58 | 38.00 | 27.61 | 50.56 | |||||||||||||
1972 | 18.06 | 21.10 | 30.94 | 45.67 | 72.10 | 73.33 | 75.52 | 75.13 | 64.33 | 49.48 | 35.47 | 21.71 | 48.57 | |||||||||||||
1973 | 26.13 | 27.14 | 44.06 | 50.17 | 59.61 | 74.50 | 79.16 | 77.58 | 66.60 | 59.68 | 37.33 | 25.03 | 52.25 | |||||||||||||
1974 | 20.61 | 25.14 | 33.94 | 52.07 | 61.83 | a | 71.53 | 80.61 | 75.42 | 60.83 | 53.68 | 38.83 | 31.00 | 50.46 | ||||||||||||
1975 | 24.55 | 27.00 | 33.55 | 46.53 | 71.39 | 74.13 | 81.77 | 76.84 | 62.53 | 56.68 | 44.23 | 25.94 | 52.10 | |||||||||||||
1976 | 19.06 | 32.45 | 35.06 | 54.90 | 64.00 | 79.20 | 81.61 | 79.13 | 67.83 | 49.81 | 31.30 | 17.74 | 51.01 | |||||||||||||
1977 | 12.87 | 26.54 | 41.61 | 58.23 | 76.23 | 73.10 | 82.55 | 72.84 | 62.97 | 54.52 | 37.60 | 23.68 | 51.89 | |||||||||||||
1978 | 20.42 | 23.00 | 36.77 | 46.93 | 69.26 | 74.33 | 76.45 | 77.16 | 67.67 | 55.68 | 40.03 | 25.10 | 51.07 | |||||||||||||
1979 | 15.26 | 19.37 | a | 32.70 | a | 46.77 | 59.81 | 73.67 | 79.81 | 72.84 | 67.83 | 49.39 | 35.73 | 30.68 | 48.65 | |||||||||||
1980 | 21.94 | 23.52 | 34.52 | ----- | z | 72.03 | 73.04 | b | 80.03 | 75.19 | 64.37 | 48.39 | 38.10 | 23.10 | 50.38 | a | ||||||||||
1981 | 22.81 | 28.07 | 39.84 | 53.27 | 65.23 | 73.07 | a | 78.77 | e | 74.93 | p | 64.30 | 50.71 | 44.07 | 26.77 | 49.72 | a | |||||||||
1982 | 13.60 | a | 24.07 | 32.71 | 46.43 | 71.10 | 70.20 | 79.29 | 73.90 | 63.53 | 55.52 | 36.83 | 29.97 | 49.76 | ||||||||||||
1983 | 24.87 | 30.46 | 35.74 | 47.00 | 59.23 | 75.27 | 84.74 | 81.68 | 69.10 | 54.23 | 39.50 | 16.26 | 51.51 | |||||||||||||
1984 | 17.00 | 33.24 | 30.35 | 54.37 | 61.13 | 76.27 | 78.42 | 78.58 | 63.47 | 56.16 | 38.20 | 25.77 | 51.08 | |||||||||||||
1985 | 19.73 | a | 21.39 | 39.77 | 53.20 | 67.68 | 71.07 | 78.23 | 73.52 | 64.80 | 53.87 | 32.67 | 17.29 | 49.43 | ||||||||||||
1986 | 22.39 | 24.11 | 36.61 | ----- | z | 69.45 | 73.80 | 80.29 | 73.29 | 65.13 | 52.94 | 35.10 | 28.29 | 51.04 | a | |||||||||||
1987 | 25.97 | 33.68 | 42.61 | 59.47 | 69.42 | 79.47 | 81.19 | 75.65 | 68.40 | 48.16 | 40.17 | 29.90 | 54.51 | |||||||||||||
1988 | 18.90 | 21.10 | 35.29 | 53.10 | 73.39 | 80.97 | 83.42 | 78.94 | 65.97 | 47.65 | 37.63 | 25.68 | 51.84 | |||||||||||||
1989 | 27.58 | 20.48 | a | 32.40 | a | 50.55 | h | 67.35 | h | 74.95 | j | 83.33 | j | 78.83 | h | 69.90 | i | 54.86 | i | 32.00 | h | 15.95 | k | 26.82 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.28 | 26.88 | 37.21 | 52.60 | 66.74 | 75.13 | 79.85 | 77.25 | 67.19 | 56.16 | 38.92 | 26.77 | 52.31 | |||||||||||||
S.D. | 4.78 | 4.07 | 4.60 | 5.00 | 4.40 | 3.04 | 2.60 | 3.25 | 3.16 | 5.03 | 3.64 | 4.13 | 2.08 | |||||||||||||
SKEW | 0.32 | 0.01 | 1.41 | 0.31 | 0.04 | -0.36 | -0.08 | 0.71 | 0.23 | 0.38 | -0.02 | -0.38 | 0.47 | |||||||||||||
MAX | 37.84 | 35.04 | 52.90 | 65.17 | 76.23 | 81.50 | 84.74 | 87.87 | 75.63 | 67.84 | 46.33 | 35.42 | 57.05 | |||||||||||||
MIN | 12.71 | 19.37 | 30.35 | 39.63 | 59.23 | 64.93 | 73.35 | 71.61 | 60.83 | 47.65 | 30.80 | 16.26 | 48.57 | |||||||||||||
YRS | 53 | 53 | 53 | 50 | 52 | 53 | 52 | 52 | 53 | 53 | 53 | 53 | 49 |