YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1928 | 32.81 | 37.34 | 49.16 | 52.70 | 72.48 | 69.77 | 83.84 | 80.65 | 74.57 | 59.87 | 45.07 | 33.13 | 57.62 | |||||||||||||
1929 | 25.19 | 30.39 | 47.29 | 51.07 | 64.81 | 70.40 | 84.13 | 87.55 | 68.13 | 64.77 | 47.50 | 42.87 | 57.01 | |||||||||||||
1930 | 20.81 | 41.52 | a | 50.03 | 62.60 | 62.03 | 71.17 | 84.26 | 83.68 | 71.33 | 56.97 | 44.23 | 30.26 | 56.57 | ||||||||||||
1931 | 33.26 | 39.57 | 47.45 | 57.93 | 70.00 | 72.73 | 86.42 | 86.71 | 70.30 | 60.94 | 40.43 | 31.19 | 58.08 | |||||||||||||
1932 | 28.81 | 32.86 | 43.74 | 56.60 | 63.29 | 74.90 | 81.00 | 80.19 | 75.37 | 59.65 | 48.03 | 30.32 | 56.23 | |||||||||||||
1933 | 31.94 | 27.11 | 43.26 | 55.33 | 58.74 | 75.13 | 85.06 | 81.74 | 69.13 | 66.74 | 49.33 | 43.87 | 57.28 | |||||||||||||
1934 | 42.71 | 49.75 | 59.19 | 66.90 | 73.03 | 72.40 | 84.06 | 86.03 | 71.13 | 61.61 | 50.33 | 35.48 | 62.72 | |||||||||||||
1935 | 35.90 | 39.82 | 43.97 | 53.63 | 64.03 | 73.90 | 82.71 | 83.00 | 79.53 | 60.58 | 40.90 | 37.26 | 57.94 | |||||||||||||
1936 | 33.48 | 29.79 | 44.87 | 61.60 | 71.81 | 75.40 | 86.35 | 84.94 | 73.47 | 67.13 | 49.10 | 38.68 | 59.72 | |||||||||||||
1937 | 19.52 | 35.32 | 49.42 | 53.83 | 70.26 | 72.63 | 85.81 | 82.39 | 77.63 | 65.87 | 49.10 | 41.16 | 58.58 | |||||||||||||
1938 | 40.03 | 41.75 | 45.84 | 58.83 | 66.26 | 76.53 | 85.58 | 82.35 | 80.10 | 61.39 | 40.13 | 38.39 | 59.77 | |||||||||||||
1939 | 38.00 | 35.18 | 51.39 | 62.83 | 70.45 | 70.90 | 85.90 | 87.10 | 75.37 | 59.39 | 53.10 | 43.55 | 61.10 | |||||||||||||
1940 | 36.74 | 42.52 | 52.16 | 57.23 | 71.48 | 80.10 | 85.23 | 86.84 | 71.47 | 61.13 | 39.50 | 40.77 | 60.43 | |||||||||||||
1941 | 39.29 | 43.04 | 54.84 | 58.50 | 65.35 | 70.50 | 85.97 | 78.84 | 64.30 | 57.71 | 49.03 | 39.13 | 58.87 | |||||||||||||
1942 | 30.61 | 36.36 | 47.00 | 59.10 | 59.65 | 68.43 | 84.97 | 84.35 | 76.63 | 63.68 | 43.67 | 35.65 | 57.51 | |||||||||||||
1943 | 30.13 | 41.39 | 46.52 | 60.83 | 60.23 | 67.03 | 84.03 | 80.26 | 80.70 | 60.52 | 47.87 | 38.06 | 58.13 | |||||||||||||
1944 | 34.65 | 38.62 | 45.71 | 55.87 | 67.84 | 70.07 | 82.42 | 82.10 | 76.00 | 70.71 | 42.37 | 35.84 | 58.51 | |||||||||||||
1945 | 35.16 | 41.43 | 45.61 | 54.43 | 65.26 | 70.17 | 87.13 | 84.71 | 70.63 | 66.23 | 43.40 | 34.87 | 58.25 | |||||||||||||
1946 | 35.16 | 38.64 | 48.84 | 61.23 | 67.23 | 71.70 | 83.29 | 83.58 | 70.70 | 52.32 | 42.27 | 40.71 | 57.97 | |||||||||||||
1947 | 30.97 | 45.82 | 54.06 | 58.27 | 72.97 | 68.20 | 85.45 | 82.32 | 75.23 | 60.74 | 40.90 | 36.74 | 59.31 | |||||||||||||
1948 | 39.13 | 37.86 | 43.52 | 53.30 | 62.23 | 75.17 | 78.39 | 79.42 | 72.60 | 62.58 | 42.00 | 29.29 | 56.29 | |||||||||||||
1949 | 18.10 | 36.21 | 48.52 | 63.07 | 69.61 | 74.27 | 83.58 | 85.00 | 76.70 | 56.19 | 54.60 | 37.19 | 58.59 | |||||||||||||
1950 | 27.23 | 39.57 | 44.48 | 54.69 | a | 63.42 | 70.93 | 83.00 | 83.58 | 74.07 | 62.29 | 46.97 | 40.71 | 57.58 | ||||||||||||
1951 | 33.19 | 40.29 | 43.00 | 61.50 | 65.45 | 71.57 | 86.42 | 82.19 | 76.37 | 57.06 | 44.33 | 31.10 | 57.71 | |||||||||||||
1952 | 30.42 | 34.52 | 42.42 | 62.67 | 65.71 | 71.17 | 84.39 | 83.10 | 78.57 | 71.03 | 44.72 | a | 35.55 | 58.69 | ||||||||||||
1953 | 43.81 | 40.64 | 51.10 | 57.10 | 64.30 | a | 69.70 | 86.00 | 82.10 | 79.77 | 65.81 | 51.93 | 37.81 | 60.84 | ||||||||||||
1954 | 40.13 | 50.18 | 50.81 | 61.40 | 71.84 | 71.20 | 87.06 | 79.26 | 75.70 | 63.61 | 54.93 | 35.84 | 61.83 | |||||||||||||
1955 | 31.16 | 36.21 | 41.58 | 52.13 | 65.61 | 77.52 | a | 81.68 | 88.00 | 76.50 | 64.19 | 38.10 | a | 36.26 | 57.41 | |||||||||||
1956 | 38.00 | 33.03 | 51.23 | a | 63.27 | 70.03 | 75.53 | 86.60 | a | 83.35 | 80.30 | 56.87 | ----- | z | 37.13 | 61.40 | a | |||||||||
1957 | 28.35 | 41.86 | 50.90 | 61.77 | 68.58 | 77.67 | 85.48 | 83.39 | 79.93 | 58.97 | 44.93 | 41.32 | 60.26 | |||||||||||||
1958 | 38.45 | 48.32 | 46.74 | 54.80 | 75.39 | 77.30 | 86.83 | b | 89.16 | 75.83 | 68.90 | a | 46.57 | 43.48 | 62.65 | |||||||||||
1959 | 39.60 | a | 42.93 | 50.40 | a | 63.83 | 64.68 | 78.23 | 88.97 | 82.03 | 70.07 | 60.58 | 46.83 | 40.48 | 60.72 | |||||||||||
1960 | 33.19 | 39.72 | 51.42 | 61.53 | 66.48 | 80.07 | 91.17 | a | 81.42 | 80.57 | 65.25 | c | 47.73 | 39.42 | e | 61.50 | ||||||||||
1961 | 40.61 | 46.57 | 51.10 | 65.40 | ----- | z | 87.90 | ----- | z | 88.38 | j | 71.93 | 58.13 | 44.90 | a | 36.55 | 55.90 | c | ||||||||
1962 | 31.35 | 37.68 | 49.29 | 68.90 | 65.84 | 78.33 | 84.48 | 82.10 | 78.30 | 62.84 | 49.60 | 41.64 | q | 62.61 | a | |||||||||||
1963 | 34.00 | v | 52.21 | 49.39 | 50.67 | 69.03 | 74.20 | 82.32 | 86.32 | c | 82.18 | b | 68.32 | 49.07 | a | 35.48 | 63.56 | a | ||||||||
1964 | 34.73 | a | 39.11 | b | 45.19 | 58.79 | a | 69.19 | 74.27 | ----- | z | 82.73 | a | 73.93 | 68.47 | a | 45.27 | 38.13 | 57.26 | a | ||||||
1965 | 37.32 | 44.22 | a | 51.52 | 61.33 | 67.23 | 75.73 | 86.26 | 82.33 | a | 70.93 | 69.93 | a | 50.31 | a | 38.68 | 61.32 | |||||||||
1966 | 40.13 | a | 41.18 | 53.26 | 62.10 | 74.32 | 74.43 | 85.03 | 85.84 | 80.93 | a | 62.74 | 48.07 | 38.39 | 62.20 | |||||||||||
1967 | 41.52 | 46.50 | 48.83 | a | 52.40 | 69.00 | 77.53 | 88.90 | 92.16 | 83.73 | 62.45 | 47.90 | 35.38 | b | 62.19 | |||||||||||
1968 | 36.87 | 46.59 | 56.13 | 58.45 | a | 68.77 | 78.57 | 89.90 | 78.27 | a | 75.03 | a | 60.42 | 44.17 | a | 35.48 | 60.72 | |||||||||
1969 | 33.71 | 37.57 | 51.52 | 61.77 | 73.32 | 76.03 | 84.45 | 85.45 | 77.20 | 57.00 | 51.23 | 39.90 | 60.76 | |||||||||||||
1970 | 38.29 | 48.89 | 48.10 | a | 52.40 | 69.10 | a | 80.53 | 87.65 | 90.61 | 70.63 | 59.13 | 46.17 | a | 35.06 | 60.55 | ||||||||||
1971 | 37.26 | 43.61 | 45.84 | 58.90 | 68.55 | 72.80 | 85.48 | 91.39 | 70.40 | 57.97 | 43.48 | a | 32.19 | 58.99 | ||||||||||||
1972 | 33.43 | a | 40.72 | 55.35 | 55.17 | 73.03 | 77.20 | 85.00 | 86.74 | 70.28 | a | 62.60 | a | 44.47 | 31.13 | 59.59 | ||||||||||
1973 | 34.87 | a | 46.21 | 52.16 | 59.97 | 72.20 | a | 78.10 | 88.94 | 84.84 | ----- | z | 62.43 | a | 43.73 | 41.29 | 60.43 | a | ||||||||
1974 | 33.61 | 44.14 | 49.79 | b | 58.57 | 65.29 | 84.41 | a | 84.60 | a | 85.23 | a | 82.07 | 65.81 | 48.21 | a | 36.41 | b | 61.51 | |||||||
1975 | 34.26 | 38.89 | 47.16 | 52.00 | 67.60 | a | 74.17 | 86.65 | 80.60 | a | 79.30 | 59.32 | 44.47 | 39.65 | 58.67 | |||||||||||
1976 | 37.97 | b | 38.96 | a | 47.65 | 58.52 | a | 71.61 | 74.00 | 85.23 | 78.03 | a | 78.73 | 64.87 | 52.14 | a | 42.23 | 60.83 | ||||||||
1977 | 29.90 | 48.93 | 48.23 | 67.90 | 61.71 | c | 80.83 | a | 83.52 | 85.90 | 72.00 | 62.76 | b | 45.30 | 39.90 | a | 60.57 | |||||||||
1978 | ----- | z | 44.00 | 57.33 | a | 56.80 | 63.42 | 76.30 | 83.84 | 81.03 | 71.40 | 66.00 | 41.70 | 28.27 | a | 60.92 | a | |||||||||
1979 | 22.20 | a | 37.44 | a | 52.68 | 58.30 | 69.77 | 78.48 | a | 87.00 | a | 84.26 | 81.33 | 64.29 | 45.13 | 41.52 | 60.20 | |||||||||
1980 | 34.32 | 44.66 | 48.61 | 63.80 | 67.35 | 71.50 | 84.65 | 80.03 | 76.97 | 64.68 | 47.87 | 43.03 | 60.62 | |||||||||||||
1981 | 42.55 | 45.86 | 54.45 | 61.80 | 65.32 | 74.80 | 82.90 | 89.52 | 77.10 | 57.90 | 50.07 | 40.71 | 61.91 | |||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.05 | 40.81 | 49.07 | 58.78 | 67.59 | 74.68 | 85.19 | 83.86 | 75.34 | 62.40 | 46.29 | 37.41 | 59.50 | |||||||||||||
S.D. | 5.81 | 5.35 | 3.95 | 4.41 | 3.95 | 4.11 | 2.26 | 3.30 | 4.30 | 4.05 | 3.86 | 3.93 | 1.79 | |||||||||||||
SKEW | -0.84 | -0.17 | 0.28 | 0.07 | -0.16 | 0.67 | -0.02 | 0.50 | -0.16 | 0.11 | 0.13 | -0.45 | -0.00 | |||||||||||||
MAX | 43.81 | 52.21 | 59.19 | 68.90 | 75.39 | 87.90 | 91.17 | 92.16 | 83.73 | 71.03 | 54.93 | 43.87 | 62.72 | |||||||||||||
MIN | 18.10 | 27.11 | 41.58 | 50.67 | 58.74 | 67.03 | 78.39 | 78.03 | 64.30 | 52.32 | 38.10 | 28.27 | 56.23 | |||||||||||||
YRS | 52 | 54 | 54 | 54 | 53 | 54 | 52 | 53 | 53 | 54 | 53 | 53 | 47 |