YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1919 | 45.94 | 37.43 | 46.15 | r | 57.79 | a | 70.66 | b | 83.60 | 88.43 | a | 87.06 | 76.83 | 54.87 | 41.79 | a | 35.77 | 61.83 | a | |||||||
1920 | 42.87 | 40.55 | 48.83 | b | 45.43 | 65.58 | 76.20 | 85.63 | a | 81.17 | a | 77.87 | 64.87 | a | 45.53 | 40.90 | 59.62 | |||||||||
1921 | 41.32 | 40.11 | 52.28 | b | 55.17 | 62.13 | a | 78.83 | 87.45 | 84.55 | 78.10 | 70.45 | 51.60 | 39.84 | 61.82 | |||||||||||
1922 | 32.13 | 39.50 | b | 50.06 | 52.33 | 66.60 | a | 81.54 | b | 83.40 | a | 88.50 | g | 82.10 | a | 67.68 | 39.69 | d | 38.74 | 57.62 | a | |||||
1923 | 43.52 | 38.23 | b | 43.39 | 57.40 | 65.45 | 75.07 | a | 84.90 | 81.07 | a | 75.10 | 52.97 | 51.78 | c | 40.90 | 59.15 | |||||||||
1924 | 37.29 | 45.25 | a | 35.93 | c | 56.92 | e | 63.17 | a | 79.63 | 85.26 | 88.03 | a | 74.31 | a | 65.79 | b | 52.27 | d | 29.48 | h | 62.17 | a | |||
1925 | 37.61 | 49.78 | a | 52.09 | t | 65.52 | g | 70.10 | 78.66 | a | 86.22 | d | 83.23 | 79.00 | d | 52.39 | 47.93 | a | 38.93 | a | 62.38 | b | ||||
1926 | 34.42 | 45.19 | a | 48.48 | 61.03 | a | 70.97 | 78.32 | b | 83.94 | 87.37 | a | 75.00 | a | 66.63 | a | 50.53 | 38.42 | 61.69 | |||||||
1927 | 43.50 | c | 44.61 | 44.00 | b | 56.53 | 70.13 | a | 74.63 | 83.61 | c | 79.34 | b | 76.59 | a | 68.65 | 55.12 | d | 36.06 | 61.06 | ||||||
1928 | 43.61 | 44.48 | 52.55 | 58.37 | 69.59 | b | 69.31 | a | 84.90 | 85.74 | 77.14 | a | 61.70 | a | 46.07 | a | 31.97 | 60.45 | ||||||||
1929 | 30.19 | 27.22 | a | 37.91 | h | 49.61 | b | 57.38 | e | 81.04 | e | 89.03 | b | 89.84 | 69.97 | 66.50 | c | 36.70 | 42.17 | h | 59.75 | b | ||||
1930 | 22.71 | 45.71 | 45.81 | 67.17 | a | 64.30 | a | 83.31 | a | 90.16 | 84.84 | 77.67 | 60.86 | b | 51.36 | b | 43.03 | 61.41 | ||||||||
1931 | 46.21 | b | 48.07 | a | 46.13 | 60.83 | a | 68.13 | 87.67 | 92.42 | 88.71 | 84.00 | 65.87 | 48.63 | 47.74 | 65.37 | ||||||||||
1932 | 35.48 | 48.07 | 42.71 | 62.83 | 71.74 | 80.77 | 91.39 | 90.06 | 80.20 | 61.68 | 54.93 | 31.52 | 62.62 | |||||||||||||
1933 | 45.58 | 40.18 | 54.52 | 58.17 | 66.84 | 89.80 | 92.52 | 85.61 | 82.07 | 71.77 | 56.33 | 51.10 | 66.21 | |||||||||||||
1934 | 48.45 | 47.57 | 53.45 | 64.60 | 80.87 | 86.43 | 95.71 | 90.32 | 76.97 | 71.74 | 55.40 | 44.84 | 68.03 | |||||||||||||
1935 | 50.52 | 51.50 | 54.87 | 54.73 | 58.61 | 78.20 | 93.10 | 91.39 | 80.43 | 67.39 | 47.90 | 41.97 | 64.22 | |||||||||||||
1936 | 38.06 | 33.38 | 52.35 | 62.40 | 75.23 | 86.80 | 96.48 | 91.65 | 82.17 | 62.55 | 54.53 | 45.74 | 65.11 | |||||||||||||
1937 | 26.68 | 41.11 | 48.13 | 61.73 | 72.97 | 79.73 | 90.58 | 94.03 | 83.33 | 68.03 | 49.73 | 38.97 | 62.92 | |||||||||||||
1938 | 39.26 | 46.25 | 53.32 | 62.00 | 68.03 | 80.90 | 86.77 | 90.42 | 78.53 | 68.39 | 47.03 | 39.13 | 63.34 | |||||||||||||
1939 | 39.39 | 35.25 | 51.52 | 61.83 | 76.52 | 80.77 | 93.77 | 88.35 | 82.70 | 68.32 | 57.23 | 50.06 | 65.48 | |||||||||||||
1940 | 29.00 | 41.41 | 53.77 | 58.97 | 73.29 | 85.63 | 91.16 | 87.87 | 79.40 | 69.81 | 46.13 | 44.87 | a | 63.44 | ||||||||||||
1941 | 45.42 | 45.71 | 45.32 | 58.00 | 75.10 | 76.63 | 87.77 | 86.35 | 76.13 | 61.52 | 54.57 | 44.23 | 63.06 | |||||||||||||
1942 | 36.00 | 35.68 | 48.77 | 65.77 | 68.45 | 76.10 | 89.61 | 85.39 | 76.93 | 64.84 | 54.07 | 42.58 | 62.02 | |||||||||||||
1943 | 44.65 | 53.07 | 47.74 | 67.70 | 64.87 | 77.10 | 91.68 | 89.77 | 80.03 | 68.42 | 52.93 | 44.29 | 65.19 | |||||||||||||
1944 | 42.32 | 44.24 | 42.39 | 54.83 | 72.87 | 79.20 | 86.35 | 89.10 | 80.93 | 69.90 | 50.53 | 38.52 | 62.60 | |||||||||||||
1945 | 39.77 | 42.21 | 54.52 | 52.43 | 69.77 | 72.57 | 86.84 | 85.81 | 75.73 | 68.58 | 53.00 | 38.19 | 61.62 | |||||||||||||
1946 | 43.45 | 48.43 | 58.06 | 68.63 | 62.77 | 82.90 | 89.45 | 85.26 | 78.47 | 59.61 | 46.47 | 47.65 | 64.26 | |||||||||||||
1947 | 42.19 | 39.57 | 46.68 | 57.70 | 69.45 | 74.23 | 89.10 | 90.52 | 81.33 | 69.74 | 40.77 | 43.26 | 62.05 | |||||||||||||
1948 | 38.32 | 39.62 | 43.81 | 65.70 | 73.13 | 78.83 | 87.26 | 87.58 | 83.20 | 66.32 | 45.10 | 37.10 | 62.16 | |||||||||||||
1949 | 26.10 | b | 41.22 | a | 48.90 | a | 67.55 | h | 70.37 | d | 78.03 | 89.52 | 87.29 | 76.50 | 62.16 | 60.27 | 43.39 | 62.16 | a | |||||||
1950 | 40.06 | 48.75 | 47.06 | 59.27 | 64.10 | 81.40 | 82.94 | 85.48 | 70.93 | 72.35 | 48.97 | 46.87 | 62.35 | |||||||||||||
1951 | 36.87 | 45.93 | 46.55 | 53.53 | 68.45 | 71.33 | 87.19 | 83.03 | 72.67 | 60.35 | 49.17 | 37.39 | 59.37 | |||||||||||||
1952 | 41.10 | 44.41 | 41.68 | 61.67 | 68.58 | 87.70 | 88.71 | 87.10 | 81.37 | 67.74 | 43.17 | 38.23 | 62.62 | |||||||||||||
1953 | 48.52 | 41.50 | 55.00 | 52.63 | 64.42 | 83.23 | 89.16 | 86.35 | 81.43 | 68.61 | 53.40 | 41.29 | 63.80 | |||||||||||||
1954 | 46.97 | 56.61 | 45.13 | 66.90 | 67.58 | 82.87 | 92.68 | 88.23 | 80.23 | 62.65 | 55.30 | 44.81 | 65.83 | |||||||||||||
1955 | 34.13 | 36.14 | 46.10 | 63.30 | 71.10 | 74.57 | 91.16 | 86.81 | 77.30 | 67.90 | 43.17 | 42.42 | 61.17 | |||||||||||||
1956 | 41.87 | 38.66 | 50.58 | 57.00 | 72.13 | 88.47 | 87.10 | 84.19 | 82.13 | 70.29 | 45.90 | 45.32 | 63.64 | |||||||||||||
1957 | 34.63 | a | 51.43 | 47.13 | 52.33 | 64.03 | 78.55 | a | 90.16 | 86.42 | 75.00 | 60.90 | 45.30 | 50.19 | 61.34 | |||||||||||
1958 | 45.00 | 46.11 | 38.71 | 53.43 | 75.68 | 80.40 | 82.74 | 89.03 | 78.13 | 68.61 | 52.30 | 42.29 | 62.70 | |||||||||||||
1959 | 41.06 | 37.39 | 44.87 | 56.70 | 66.90 | 85.53 | 88.94 | 88.39 | 72.80 | 59.55 | 48.80 | 48.06 | 61.58 | |||||||||||||
1960 | 38.10 | 32.69 | 48.13 | 62.83 | 71.16 | 80.07 | 89.06 | 87.71 | 79.27 | 65.19 | 51.53 | 41.16 | 62.24 | |||||||||||||
1961 | 44.97 | 48.07 | 46.45 | 54.93 | 67.65 | 82.53 | 88.42 | 88.48 | 68.97 | 62.81 | 46.10 | 39.16 | 61.55 | |||||||||||||
1962 | 33.84 | 42.57 | 45.81 | 64.73 | 72.13 | 78.43 | 85.58 | 87.68 | 77.13 | 67.16 | 55.27 | 45.58 | 62.99 | |||||||||||||
1963 | 33.50 | a | 47.71 | 48.94 | 61.37 | 74.77 | 85.37 | 92.52 | 85.87 | 80.60 | 73.06 | 55.93 | 39.83 | a | 64.96 | |||||||||||
1964 | 42.90 | 36.21 | 42.10 | 55.53 | 72.32 | 77.93 | 93.74 | 85.42 | 77.57 | 66.94 | 51.13 | 42.39 | 62.02 | |||||||||||||
1965 | 46.45 | 40.04 | 36.10 | 61.60 | 68.35 | 76.20 | 86.58 | 84.13 | 65.77 | 69.39 | 56.10 | 45.74 | 61.37 | |||||||||||||
1966 | 39.03 | 40.07 | 56.68 | 58.67 | 76.13 | 78.77 | 91.74 | 84.42 | 77.33 | 64.39 | 52.72 | a | 42.16 | 63.51 | ||||||||||||
1967 | 44.42 | 47.14 | 57.40 | a | 61.97 | 64.26 | 74.60 | 84.84 | 84.77 | 76.00 | 67.06 | 49.33 | 36.03 | 62.32 | ||||||||||||
1968 | 43.23 | 44.93 | 52.90 | 54.90 | 64.32 | 81.43 | ----- | z | 82.58 | 75.63 | 65.29 | 46.50 | 41.97 | 59.43 | a | |||||||||||
1969 | 42.42 | 45.54 | 42.23 | 63.27 | 72.19 | 73.40 | 88.81 | 89.20 | a | 78.87 | 48.68 | 51.60 | 45.13 | 61.78 | ||||||||||||
1970 | 40.55 | 50.54 | 43.06 | 52.27 | 74.83 | a | 80.37 | 89.65 | 90.52 | 74.17 | 57.06 | 49.80 | 42.19 | 62.08 | ||||||||||||
1971 | 41.35 | 42.54 | 46.58 | 59.33 | 65.74 | 82.93 | 85.03 | 90.03 | 71.27 | 63.06 | 51.13 | 42.65 | 61.80 | |||||||||||||
1972 | ----- | z | 46.79 | 58.03 | b | 57.50 | 67.10 | 81.00 | 82.97 | 81.61 | 74.97 | 61.23 | 41.37 | 31.68 | 62.20 | a | ||||||||||
1973 | 35.23 | a | 45.32 | 44.48 | 53.67 | 67.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.19 | 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 | 81.61 | 80.70 | 65.55 | 39.53 | 44.10 | 62.30 | g | |||||
1980 | 32.81 | 39.03 | 43.03 | 56.59 | a | 64.94 | 84.53 | 90.97 | 85.68 | 79.07 | 62.29 | 50.72 | a | 50.26 | 61.66 | |||||||||||
1981 | 46.74 | 45.36 | 50.06 | 65.37 | 64.52 | 81.73 | 86.16 | 83.48 | 79.00 | 60.81 | 56.07 | 43.77 | 63.59 | |||||||||||||
1982 | 38.23 | 41.93 | 50.26 | 58.30 | 66.45 | 74.70 | 86.65 | 86.90 | a | 72.30 | 59.58 | 44.80 | 39.74 | 59.99 | ||||||||||||
1983 | 45.65 | 47.93 | 45.48 | 49.97 | 62.67 | a | 74.10 | 87.81 | 89.84 | 78.24 | a | 66.03 | 46.10 | 26.65 | 60.04 | |||||||||||
1984 | 37.48 | 43.55 | 45.58 | 49.20 | 71.45 | 78.57 | 86.90 | 86.29 | 71.13 | 55.84 | 51.93 | 41.55 | 59.96 | |||||||||||||
1985 | 32.13 | 35.00 | i | 53.37 | a | 62.73 | 73.52 | 79.87 | 87.45 | 87.57 | a | 68.80 | 61.74 | 36.00 | 35.94 | 61.74 | a | |||||||||
1986 | 46.74 | 44.50 | 57.19 | 59.03 | 68.10 | 82.20 | 87.68 | 84.97 | 71.34 | a | 59.00 | 47.83 | a | 41.13 | 62.48 | |||||||||||
1987 | 40.39 | 42.64 | 44.19 | 65.17 | 69.03 | b | 81.47 | 87.77 | 79.60 | a | 74.07 | 63.90 | 48.83 | 38.39 | 61.29 | |||||||||||
1988 | 31.80 | a | 40.66 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.23 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.68 | 43.23 | 48.15 | 58.73 | 68.84 | 79.95 | 88.45 | 86.63 | 77.19 | 64.52 | 49.39 | 41.54 | 62.55 | |||||||||||||
S.D. | 5.95 | 5.27 | 5.21 | 5.11 | 4.51 | 4.36 | 3.18 | 3.04 | 3.99 | 5.08 | 5.20 | 4.80 | 1.83 | |||||||||||||
SKEW | -0.65 | -0.28 | -0.01 | -0.19 | 0.00 | 0.01 | 0.30 | -0.27 | -0.61 | -0.83 | -0.50 | -0.46 | 0.60 | |||||||||||||
MAX | 50.52 | 56.61 | 58.06 | 68.63 | 80.87 | 89.80 | 96.48 | 94.03 | 84.00 | 73.06 | 60.27 | 51.10 | 68.03 | |||||||||||||
MIN | 22.71 | 27.22 | 35.93 | 45.43 | 57.38 | 69.31 | 82.74 | 79.34 | 65.77 | 48.68 | 36.00 | 26.65 | 59.15 | |||||||||||||
YRS | 63 | 63 | 60 | 61 | 63 | 62 | 61 | 62 | 63 | 63 | 63 | 61 | 53 |