YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.77 | 75.50 | 57.58 | 34.63 | 28.00 | 55.50 | g | |||||
1922 | 22.48 | 25.86 | 36.65 | 53.50 | 72.77 | 76.30 | 77.86 | b | 81.32 | 74.34 | a | 61.90 | 45.07 | 26.94 | 54.58 | |||||||||||
1923 | 25.05 | k | 20.04 | 32.06 | 51.53 | 68.77 | 80.53 | 83.32 | 77.00 | 69.62 | a | 56.45 | 46.00 | 37.97 | b | 56.66 | a | |||||||||
1924 | 12.35 | 20.41 | l | 34.26 | d | 49.34 | a | 57.58 | 70.97 | 77.81 | 76.03 | 64.97 | 66.65 | 42.37 | 19.58 | 51.99 | a | |||||||||
1925 | 23.73 | a | 29.48 | a | 43.39 | 62.90 | 66.42 | 75.37 | 77.48 | 79.77 | 73.80 | 44.90 | 40.72 | a | 22.58 | 53.38 | ||||||||||
1926 | 24.70 | a | 30.07 | a | 29.10 | a | 52.43 | 70.16 | 71.50 | 79.77 | 76.97 | a | 64.85 | d | 54.48 | 35.64 | b | 24.65 | 51.19 | |||||||
1927 | 21.48 | 31.74 | a | 44.29 | 54.00 | 62.37 | d | 73.23 | 78.42 | 75.39 | 72.55 | a | 61.73 | a | 40.00 | 22.68 | 53.16 | |||||||||
1928 | 26.53 | a | 29.55 | 39.47 | a | 48.19 | c | 69.32 | l | 70.53 | o | 80.07 | p | 78.65 | e | 66.93 | a | 57.92 | e | 41.90 | 31.27 | a | 46.71 | c | ||
1929 | 14.71 | 20.44 | a | 41.23 | a | 57.27 | 63.29 | 73.97 | 80.68 | 77.84 | 70.77 | 57.06 | 37.93 | 26.58 | 51.81 | |||||||||||
1930 | 17.87 | 33.57 | 39.03 | 57.13 | 67.58 | 76.73 | 83.97 | 83.17 | a | 74.17 | 54.74 | 47.83 | 28.45 | 55.35 | ||||||||||||
1931 | 30.03 | 36.82 | 37.68 | 58.53 | 65.61 | 80.67 | 86.65 | 80.52 | 76.73 | 60.58 | 49.40 | 35.81 | 58.25 | |||||||||||||
1932 | 28.71 | 29.62 | 29.35 | 52.37 | 67.52 | 78.80 | 83.48 | ----- | z | 70.77 | 54.45 | 39.07 | 27.32 | 51.04 | a | |||||||||||
1933 | 34.10 | 25.18 | 35.35 | 51.83 | 66.77 | 86.03 | 84.13 | 78.07 | a | 75.90 | 54.03 | 36.83 | 25.94 | 54.51 | ||||||||||||
1934 | 31.87 | a | 24.00 | 34.26 | 52.10 | 78.19 | 80.87 | 81.13 | 75.55 | 67.23 | 60.61 | 45.52 | a | 24.45 | 54.65 | |||||||||||
1935 | 21.58 | 27.70 | a | 38.39 | 52.40 | 61.81 | 70.33 | 84.68 | 78.19 | 69.77 | 57.77 | 37.50 | 25.81 | 52.16 | ||||||||||||
1936 | 16.58 | 11.83 | 37.29 | 48.43 | 73.94 | 75.43 | 90.29 | 83.77 | 73.40 | 54.90 | 40.13 | 33.39 | 53.28 | |||||||||||||
1937 | 23.23 | 24.00 | 34.29 | 49.43 | 67.90 | 75.10 | 85.03 | 87.42 | 71.43 | 52.10 | 39.07 | 24.77 | 52.81 | |||||||||||||
1938 | 22.16 | 30.21 | 46.32 | 55.53 | 65.65 | 74.70 | 79.16 | 80.84 | 68.07 | 64.00 | 41.90 | 27.58 | 54.68 | |||||||||||||
1939 | 29.90 | 25.64 | 38.19 | 52.47 | 75.42 | 76.63 | 85.26 | 81.13 | 74.57 | 58.42 | 46.40 | 36.48 | 56.71 | |||||||||||||
1940 | 17.55 | 29.48 | 32.32 | 52.73 | 65.16 | 76.43 | 82.87 | 75.58 | 73.27 | 60.81 | 38.83 | a | 29.48 | 52.88 | ||||||||||||
1941 | 25.16 | 26.14 | 33.80 | a | 62.50 | 72.35 | 77.70 | 82.94 | 81.94 | 72.33 | 58.42 | 46.03 | 35.39 | 56.23 | ||||||||||||
1942 | 26.19 | 27.46 | 41.29 | 64.93 | 65.81 | 74.93 | 79.35 | 77.87 | 67.00 | 60.65 | 42.87 | 22.77 | 54.26 | |||||||||||||
1943 | 21.10 | 29.14 | 33.13 | 54.13 | 66.65 | 77.83 | 83.26 | 80.65 | 66.23 | 59.39 | 37.83 | 32.58 | 53.49 | |||||||||||||
1944 | 35.39 | 31.28 | 33.10 | 52.53 | 71.73 | a | 78.37 | 81.16 | 82.42 | 70.57 | 61.65 | 45.23 | 25.06 | 55.71 | ||||||||||||
1945 | 20.00 | 27.96 | 51.87 | 56.13 | 61.94 | 71.33 | 77.77 | 79.65 | 69.17 | 57.90 | 40.03 | 21.52 | 52.94 | |||||||||||||
1946 | 26.61 | 27.43 | 49.23 | 60.47 | 66.06 | 74.57 | 80.13 | 76.48 | 70.17 | 63.45 | 43.63 | 32.42 | 55.89 | |||||||||||||
1947 | 29.29 | 24.00 | 37.29 | 50.83 | 61.23 | 72.70 | 79.58 | 84.74 | 71.37 | 69.87 | a | 34.63 | 27.94 | 53.62 | ||||||||||||
1948 | 20.13 | 25.45 | 38.74 | 62.07 | 68.13 | 76.67 | 82.94 | 83.19 | 77.63 | 59.68 | 42.47 | 28.81 | 55.49 | |||||||||||||
1949 | 25.97 | 26.75 | 37.68 | 57.97 | 71.32 | 80.03 | 81.23 | 79.90 | 67.67 | 64.77 | 43.23 | 31.10 | 55.63 | |||||||||||||
1950 | 25.19 | 26.18 | 32.16 | 45.57 | 68.16 | 76.17 | 77.42 | 74.77 | 69.90 | 65.10 | 38.20 | 20.74 | 51.63 | |||||||||||||
1951 | 20.23 | 26.86 | 32.52 | 51.30 | 71.68 | 72.13 | 78.19 | 74.03 | 66.37 | 56.94 | 33.97 | 25.61 | 50.82 | |||||||||||||
1952 | 25.81 | 31.17 | 34.45 | 60.37 | 66.58 | 77.87 | 81.19 | 77.45 | 73.47 | 55.84 | 45.27 | 30.35 | 54.98 | |||||||||||||
1953 | 27.65 | 27.82 | 37.55 | 50.13 | 67.74 | 78.90 | 80.03 | 80.13 | 72.13 | 67.97 | 49.50 | 31.94 | 55.96 | |||||||||||||
1954 | 23.90 | 38.46 | 37.74 | 57.50 | 61.71 | 78.13 | 79.68 | 76.13 | 67.93 | 56.06 | 45.27 | 29.58 | 54.34 | |||||||||||||
1955 | 23.97 | 26.74 | a | 37.60 | a | 62.30 | 71.10 | 75.70 | 84.90 | 84.32 | 73.13 | 60.52 | 36.37 | 23.87 | 55.04 | |||||||||||
1956 | 26.23 | 27.83 | 34.10 | 52.23 | 67.55 | 79.13 | 75.35 | 76.39 | 67.07 | 66.87 | 41.30 | 30.74 | 53.73 | |||||||||||||
1957 | 19.19 | 31.29 | 41.52 | 55.87 | 64.71 | 76.50 | 81.32 | 77.65 | 68.53 | 56.65 | 39.67 | 32.13 | 53.75 | |||||||||||||
1958 | 28.06 | 23.96 | 40.58 | 57.43 | 70.35 | 71.70 | 77.42 | 80.03 | 70.86 | b | 62.53 | a | 44.73 | 22.48 | 54.18 | |||||||||||
1959 | 18.10 | 24.32 | 36.03 | 55.57 | 72.71 | 76.57 | 78.90 | 81.10 | 70.57 | 51.48 | 33.03 | 34.39 | 52.73 | |||||||||||||
1960 | 26.87 | 29.34 | 32.65 | 57.90 | 65.32 | 72.87 | 79.10 | 78.65 | 70.27 | 58.35 | 46.53 | 28.65 | 53.87 | |||||||||||||
1961 | 25.61 | 36.18 | 40.71 | 51.50 | 67.52 | 77.07 | 79.06 | 79.00 | 69.33 | 61.65 | 42.17 | 25.39 | 54.60 | |||||||||||||
1962 | 20.13 | 23.39 | 36.52 | 54.48 | a | 70.65 | 74.37 | 75.77 | 79.10 | 66.97 | 59.71 | 44.00 | 28.32 | 52.78 | ||||||||||||
1963 | 13.03 | 23.43 | 41.90 | 60.00 | 66.13 | 79.27 | 80.87 | 76.26 | 70.53 | 69.55 | 47.47 | 21.45 | 54.16 | |||||||||||||
1964 | 30.97 | 34.48 | 38.94 | 57.37 | 73.10 | 77.73 | 83.10 | 77.87 | 68.77 | 59.19 | 47.50 | 24.74 | 56.15 | |||||||||||||
1965 | 22.77 | 26.18 | 31.90 | 50.30 | 73.45 | 75.63 | 79.00 | 75.74 | 65.13 | 59.39 | 43.60 | 34.10 | 53.10 | |||||||||||||
1966 | 17.71 | 28.50 | 43.58 | 52.40 | 65.94 | 79.13 | 85.19 | 77.39 | 70.67 | 60.32 | 41.73 | 28.42 | 54.25 | |||||||||||||
1967 | 27.32 | 23.46 | b | 38.10 | 55.97 | 64.00 | 75.87 | 78.29 | 76.00 | 70.50 | 56.23 | 37.87 | 29.90 | 52.79 | ||||||||||||
1968 | 24.48 | 26.38 | 50.39 | 59.23 | 65.42 | 75.53 | 78.65 | 78.81 | 69.73 | 59.94 | 41.40 | 27.65 | 54.80 | |||||||||||||
1969 | 20.52 | 29.50 | 34.87 | 57.73 | 70.10 | 67.47 | 78.45 | 82.42 | 69.30 | 54.58 | 41.73 | 28.16 | 52.90 | |||||||||||||
1970 | 16.48 | 29.29 | 35.74 | 57.10 | 68.19 | 77.33 | 82.26 | 80.00 | 69.83 | 59.10 | 39.43 | 27.61 | 53.53 | |||||||||||||
1971 | 17.13 | 25.50 | 34.19 | 56.53 | 66.97 | 80.03 | 76.48 | 76.19 | 71.23 | 63.65 | 42.57 | 29.23 | 53.31 | |||||||||||||
1972 | 20.61 | 24.17 | 32.84 | 50.07 | 73.16 | 77.00 | 77.74 | 76.32 | 67.30 | 52.77 | 38.03 | 23.52 | 51.13 | |||||||||||||
1973 | 27.94 | 29.14 | 47.74 | 51.50 | 61.77 | a | 76.53 | 80.84 | 79.42 | 69.00 | 63.74 | 39.23 | q | ----- | z | 58.76 | b | |||||||||
1974 | 24.23 | 27.46 | 38.68 | 59.07 | 64.35 | 73.69 | a | 82.84 | 76.97 | 66.97 | 58.48 | 43.10 | 31.81 | 53.97 | ||||||||||||
1975 | 25.77 | 27.29 | 33.68 | 47.30 | 72.07 | a | 75.63 | 81.35 | 79.52 | 64.60 | 62.77 | 48.67 | 28.87 | 53.96 | ||||||||||||
1976 | 22.00 | a | 34.29 | a | 39.90 | 59.20 | 67.00 | 80.33 | 84.48 | 80.13 | 72.63 | 54.10 | 36.00 | 20.55 | 54.22 | |||||||||||
1977 | 11.84 | 29.93 | 46.58 | 63.87 | 78.90 | 74.66 | a | 83.23 | 75.03 | 67.53 | 57.35 | 40.63 | 24.10 | 54.47 | ||||||||||||
1978 | 18.29 | 22.21 | 38.23 | 52.63 | 70.77 | 75.17 | 76.71 | 78.87 | 73.50 | 56.06 | 41.37 | 25.26 | 52.42 | |||||||||||||
1979 | 13.58 | 19.79 | 37.26 | 51.63 | 65.84 | 75.53 | 79.87 | 75.26 | 71.83 | 55.16 | 39.70 | 35.33 | a | 51.73 | ||||||||||||
1980 | 22.77 | 25.66 | 35.81 | 58.97 | 72.10 | 76.37 | 82.45 | 77.19 | 68.40 | 51.87 | 43.45 | a | 27.68 | 53.56 | ||||||||||||
1981 | 26.77 | 32.32 | 45.81 | 58.57 | 67.61 | 76.03 | 80.35 | 77.84 | 68.27 | 54.35 | 46.20 | 27.23 | 55.11 | |||||||||||||
1982 | 16.52 | 26.75 | 36.84 | 52.52 | a | 72.40 | a | 71.70 | 81.10 | 76.10 | b | 67.33 | 58.97 | a | 40.80 | 34.13 | 52.93 | |||||||||
1983 | 28.00 | 33.57 | 39.97 | 52.13 | 61.00 | 77.27 | 84.77 | 83.61 | 70.10 | 57.19 | 43.73 | 17.71 | 54.09 | |||||||||||||
1984 | 22.42 | 36.69 | 34.45 | 57.07 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.66 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.09 | 27.75 | 37.95 | 55.03 | 68.00 | 76.11 | 80.93 | 78.90 | 70.17 | 58.91 | 41.74 | 27.89 | 53.92 | |||||||||||||
S.D. | 5.25 | 4.54 | 4.99 | 4.38 | 4.29 | 3.08 | 2.97 | 2.86 | 3.01 | 4.59 | 3.98 | 4.51 | 1.47 | |||||||||||||
SKEW | -0.09 | -0.27 | 0.81 | 0.21 | 0.18 | 0.04 | 0.49 | 0.64 | 0.31 | 0.06 | -0.10 | 0.10 | 0.23 | |||||||||||||
MAX | 35.39 | 38.46 | 51.87 | 64.93 | 78.90 | 86.03 | 90.29 | 87.42 | 77.63 | 69.87 | 49.50 | 37.97 | 58.25 | |||||||||||||
MIN | 11.84 | 11.83 | 29.10 | 45.57 | 57.58 | 67.47 | 75.35 | 74.03 | 64.60 | 44.90 | 33.03 | 17.71 | 50.82 | |||||||||||||
YRS | 62 | 62 | 63 | 63 | 61 | 61 | 61 | 62 | 63 | 63 | 62 | 62 | 57 |