YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 92.87 | 94.39 | ----- | z | ----- | z | 59.31 | d | 47.23 | 73.45 | h | |||
1915 | 41.42 | 51.14 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.28 | j | ||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.67 | 45.35 | 51.01 | j | ||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.94 | o | 89.50 | a | 78.23 | 68.34 | b | 47.46 | b | 48.45 | k | 70.89 | h | |
1939 | 43.00 | 37.75 | 57.00 | 70.10 | 81.26 | 88.66 | a | 92.17 | a | 89.27 | a | 78.93 | 65.97 | a | 55.69 | a | 48.47 | a | 67.35 | |||||||
1940 | 40.47 | a | 46.97 | 61.66 | b | 68.66 | a | 82.50 | a | 88.33 | ----- | z | 84.29 | n | 76.80 | 67.69 | b | ----- | z | ----- | z | 66.63 | d | |||
1941 | ----- | z | 51.58 | b | 57.73 | a | ----- | z | 77.90 | 83.30 | 90.68 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.63 | h | ||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.75 | f | 93.13 | 89.03 | 87.00 | 71.74 | 57.77 | 38.39 | 72.84 | f | ||||||
1954 | 46.81 | 58.71 | 55.97 | 74.20 | 79.58 | 88.70 | 92.29 | 87.87 | 82.43 | 72.84 | 61.93 | 42.65 | 70.33 | |||||||||||||
1955 | 40.45 | 42.41 | a | 57.84 | 66.87 | 75.65 | 85.13 | 92.06 | 90.16 | 86.13 | 75.06 | 55.30 | 48.30 | a | 67.95 | |||||||||||
1956 | 51.29 | 45.17 | 61.29 | 68.43 | 81.55 | 91.73 | 91.61 | 88.61 | 89.33 | 74.84 | 49.82 | b | 46.06 | 69.98 | ||||||||||||
1957 | 44.48 | 56.61 | 57.55 | 63.93 | 71.97 | 87.90 | 90.48 | 88.45 | 86.17 | 67.45 | 49.83 | 49.06 | 67.82 | |||||||||||||
1958 | 46.32 | 54.89 | 52.77 | 66.30 | 83.45 | 91.97 | 94.42 | 93.87 | 82.97 | 72.55 | 56.63 | 53.39 | 70.79 | |||||||||||||
1959 | 47.32 | 50.39 | 59.23 | 68.47 | 79.13 | 91.27 | 95.00 | 88.94 | 83.13 | 69.97 | 54.67 | 46.84 | 69.53 | |||||||||||||
1960 | 38.42 | 42.48 | 61.26 | 69.60 | 77.16 | 90.40 | 93.94 | 92.48 | 86.03 | 66.03 | 57.43 | 36.52 | 67.65 | |||||||||||||
1961 | 39.06 | 49.36 | 55.16 | 65.83 | 78.19 | 91.27 | 93.19 | 88.00 | 77.47 | 68.68 | 50.00 | 30.97 | 65.60 | |||||||||||||
1962 | 33.32 | 45.86 | 52.13 | 71.10 | 76.29 | 87.77 | 92.23 | 93.16 | 82.07 | 70.87 | 59.03 | 46.19 | 67.50 | |||||||||||||
1963 | 31.94 | 50.18 | 56.65 | 66.50 | 82.39 | 86.93 | 95.39 | 87.81 | 84.80 | 75.29 | 55.63 | 42.42 | 67.99 | |||||||||||||
1964 | 41.74 | 44.17 | 51.45 | 62.20 | 77.10 | a | 87.33 | 95.45 | 89.16 | 80.57 | 76.16 | 51.70 | 40.48 | 66.46 | ||||||||||||
1965 | 42.97 | 46.75 | 54.10 | 65.33 | 74.45 | 83.80 | 91.42 | 90.77 | 78.83 | 74.68 | 59.77 | 45.48 | 67.36 | |||||||||||||
1966 | 43.06 | 45.68 | 63.71 | 71.54 | f | 82.65 | 89.40 | 95.10 | 91.55 | 83.77 | 71.55 | 61.52 | a | 41.48 | 69.95 | a | ||||||||||
1967 | 41.58 | 54.00 | 65.71 | 67.90 | 77.67 | a | 83.73 | 94.06 | 89.71 | 83.30 | 74.80 | a | 60.90 | 38.23 | 69.30 | |||||||||||
1968 | 38.52 | 53.45 | 59.65 | 64.10 | 77.13 | 90.57 | 91.58 | 85.84 | 83.73 | 72.94 | 52.28 | a | 41.58 | 67.61 | ||||||||||||
1969 | 45.26 | 48.22 | a | 52.32 | 71.50 | 81.65 | 84.93 | 92.71 | 93.61 | 84.53 | 65.10 | 54.70 | 48.10 | 68.55 | ||||||||||||
1970 | 46.48 | 57.43 | 55.19 | 63.23 | 80.55 | 87.00 | 93.45 | 93.17 | a | 80.10 | 64.97 | 56.97 | 47.29 | 68.82 | ||||||||||||
1971 | 45.77 | 51.11 | 61.52 | 69.00 | 76.42 | 90.47 | 95.52 | 90.10 | 81.73 | 67.35 | 54.00 | 40.55 | 68.63 | |||||||||||||
1972 | 47.16 | 56.24 | 68.65 | 70.87 | 80.60 | a | 87.80 | 95.35 | 89.52 | 82.43 | 65.26 | 45.93 | 36.77 | a | 68.88 | |||||||||||
1973 | 34.03 | 44.79 | 52.06 | 62.27 | 77.03 | 87.03 | 93.65 | 92.23 | 82.23 | 73.57 | a | 60.03 | 46.58 | 67.12 | ||||||||||||
1974 | 37.29 | 43.75 | 64.55 | 68.10 | 83.48 | 94.00 | 93.61 | 91.29 | 83.41 | a | 70.23 | 54.73 | 41.61 | 68.84 | ||||||||||||
1975 | 39.71 | 46.82 | 55.62 | b | 64.17 | 75.33 | a | 88.23 | 92.35 | 91.90 | 82.47 | 73.97 | 55.93 | 44.77 | 67.61 | |||||||||||
1976 | 44.29 | 56.79 | 59.90 | 71.23 | 80.61 | 90.13 | 94.97 | 90.03 | 81.59 | a | 68.90 | 57.40 | 48.23 | 70.34 | ||||||||||||
1977 | 37.50 | a | 54.46 | 59.48 | 72.62 | a | 77.93 | a | 93.27 | 94.03 | 92.84 | 85.75 | b | 74.71 | 58.97 | 49.68 | 70.94 | |||||||||
1978 | 44.06 | 48.33 | a | 61.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.24 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.92 | 49.50 | 58.27 | 67.70 | 78.87 | 88.56 | 93.41 | 90.47 | 82.71 | 70.77 | 55.59 | 44.02 | 68.46 | |||||||||||||
S.D. | 4.61 | 5.31 | 4.43 | 3.30 | 2.98 | 2.85 | 1.43 | 2.17 | 3.00 | 3.61 | 4.15 | 4.94 | 1.38 | |||||||||||||
SKEW | -0.34 | -0.06 | 0.34 | 0.00 | -0.21 | -0.11 | -0.09 | 0.08 | -0.07 | -0.19 | -0.59 | -0.62 | 0.13 | |||||||||||||
MAX | 51.29 | 58.71 | 68.65 | 74.20 | 83.48 | 94.00 | 95.52 | 94.39 | 89.33 | 76.16 | 61.93 | 53.39 | 70.94 | |||||||||||||
MIN | 31.94 | 37.75 | 51.45 | 62.20 | 71.97 | 83.30 | 90.48 | 85.84 | 76.80 | 64.97 | 45.93 | 30.97 | 65.60 | |||||||||||||
YRS | 28 | 29 | 28 | 25 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 24 |