YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1901 | ----- | z | ----- | z | ----- | z | 69.45 | a | 80.71 | 89.90 | 92.06 | 89.90 | 86.67 | 75.10 | 65.87 | 57.45 | 78.57 | c | ||||||||
1902 | 57.10 | 60.36 | 60.81 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.42 | i | |||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.19 | 54.50 | 43.35 | 54.68 | i | |||
1912 | 51.53 | a | 55.21 | 55.45 | 61.23 | 76.26 | 86.27 | 86.94 | 84.19 | 79.43 | 66.39 | 58.70 | 45.84 | 67.29 | ||||||||||||
1913 | 46.19 | 48.46 | 56.32 | 68.73 | 78.00 | 86.47 | 86.48 | 84.03 | 74.70 | 67.13 | 56.57 | 42.23 | 66.28 | |||||||||||||
1914 | 50.68 | 51.50 | 58.19 | 66.93 | 75.65 | 83.40 | 78.81 | 81.35 | 77.20 | 64.84 | 58.27 | 41.61 | 65.70 | |||||||||||||
1915 | 42.16 | 46.75 | 51.00 | 62.60 | 70.48 | 85.27 | 84.71 | 82.06 | 76.53 | 70.87 | 58.83 | 48.23 | 64.96 | |||||||||||||
1916 | 46.48 | 56.66 | 61.52 | 64.17 | 72.45 | 85.83 | 85.03 | 80.52 | 75.83 | 65.84 | 56.93 | 45.71 | 66.41 | |||||||||||||
1917 | 44.48 | 49.96 | 56.26 | 63.57 | 65.87 | 85.90 | 87.55 | 82.23 | 76.63 | 71.10 | 61.30 | 56.45 | 66.77 | |||||||||||||
1918 | 43.61 | 51.46 | 56.74 | 62.23 | 69.13 | 86.10 | 83.90 | 80.48 | 78.33 | 67.58 | 49.87 | 41.06 | 64.21 | |||||||||||||
1919 | 42.55 | 42.93 | 54.45 | 64.47 | 72.93 | a | 82.97 | 81.13 | 84.94 | 75.40 | 62.71 | 52.20 | 50.74 | 63.95 | ||||||||||||
1920 | 47.16 | 51.28 | 52.94 | 57.93 | 74.39 | 82.03 | 86.90 | 79.74 | 76.77 | 65.13 | a | 56.03 | 46.16 | 64.71 | ||||||||||||
1921 | 51.42 | 53.18 | 61.19 | 63.48 | a | 74.65 | 84.47 | 80.84 | 79.87 | 77.83 | 70.65 | 59.40 | 52.29 | 67.44 | ||||||||||||
1922 | 45.19 | 51.14 | 55.06 | 62.23 | 75.42 | 86.63 | 86.03 | 85.06 | 78.43 | 67.06 | 51.70 | 49.82 | c | 66.15 | ||||||||||||
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 | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.41 | d | 86.61 | 80.00 | 68.94 | 60.73 | 48.45 | 71.86 | f | |||||
1944 | 48.97 | 50.52 | 56.35 | 64.20 | 75.81 | 84.93 | 85.68 | 85.00 | 77.70 | 69.26 | 53.31 | a | 50.90 | 66.89 | ||||||||||||
1945 | 49.06 | 55.61 | 55.39 | 65.28 | a | 76.16 | 84.73 | 88.35 | 85.45 | 82.31 | a | 70.77 | 61.20 | 51.00 | a | 68.78 | ||||||||||
1946 | 45.65 | 55.11 | 60.40 | a | 75.83 | 76.77 | 91.70 | 90.35 | 84.77 | 81.48 | a | 70.03 | b | 56.17 | 53.93 | a | 70.18 | |||||||||
1947 | 46.38 | b | 57.39 | 59.94 | 67.76 | a | 79.68 | c | 85.52 | a | 92.45 | 85.94 | 84.63 | 74.81 | 54.31 | a | 48.87 | 69.81 | ||||||||
1948 | 52.65 | 51.83 | 53.68 | 71.60 | 81.06 | 88.23 | 91.19 | 89.84 | 82.27 | 68.08 | g | 54.80 | 50.83 | a | 69.82 | a | ||||||||||
1949 | 38.39 | 49.79 | 59.87 | 68.77 | 77.83 | a | 86.87 | 88.68 | 86.90 | 81.37 | 68.42 | 66.87 | 50.35 | 68.67 | ||||||||||||
1950 | 51.48 | 58.75 | 61.55 | 73.07 | 78.55 | 90.47 | 86.81 | 88.77 | 79.30 | 78.00 | 66.20 | 60.42 | 72.78 | |||||||||||||
1951 | 52.87 | a | 55.96 | b | 60.03 | 65.80 | 78.40 | a | 87.13 | 91.16 | 85.74 | 86.62 | a | 71.58 | 56.57 | 50.16 | 70.17 | |||||||||
1952 | 52.42 | 51.52 | 52.45 | 65.87 | 77.74 | 86.23 | 86.61 | 88.16 | 83.83 | 76.29 | 54.67 | 48.29 | 68.67 | |||||||||||||
1953 | 57.32 | 52.68 | 59.32 | 68.27 | 75.61 | 91.47 | 90.40 | a | 90.19 | 88.57 | 74.10 | 64.97 | 50.97 | 71.99 | ||||||||||||
1954 | 55.55 | 61.89 | 59.00 | 75.03 | 79.74 | 86.23 | 87.42 | 83.13 | 81.87 | 73.58 | 63.17 | 53.68 | 71.69 | |||||||||||||
1955 | 45.19 | 49.96 | 59.19 | 67.93 | 73.84 | 83.63 | 83.74 | 83.10 | 83.73 | 75.00 | 61.17 | 55.94 | 68.54 | |||||||||||||
1956 | 54.43 | a | 49.86 | 65.65 | 68.81 | c | 82.93 | a | 92.25 | n | 85.97 | 83.88 | e | 85.63 | c | 71.83 | b | 59.37 | c | 55.61 | 69.45 | a | ||||
1957 | 53.68 | 64.04 | 60.00 | a | 67.10 | 72.00 | 86.38 | a | 88.94 | 84.29 | 81.60 | 65.42 | 55.67 | 57.77 | 69.74 | |||||||||||
1958 | 51.23 | 57.00 | 52.94 | 67.17 | 80.23 | 88.53 | 90.68 | 86.14 | c | 79.20 | 69.06 | 61.77 | 61.87 | 70.48 | ||||||||||||
1959 | 58.10 | 54.57 | 63.39 | 72.23 | 77.06 | 87.73 | 88.35 | 83.97 | 83.13 | 74.97 | 59.83 | 53.48 | 71.40 | |||||||||||||
1960 | 47.35 | 50.31 | 65.26 | 71.13 | 77.90 | 89.63 | 86.47 | a | 87.90 | 82.70 | 69.83 | a | 64.30 | 50.13 | 70.24 | |||||||||||
1961 | 53.48 | 57.96 | 61.26 | 70.70 | 78.84 | 87.07 | 88.77 | 85.35 | 77.03 | 71.43 | a | 54.83 | 51.68 | 69.87 | ||||||||||||
1962 | 48.74 | 58.50 | 55.13 | 74.07 | 77.39 | 84.53 | 83.81 | 89.23 | 80.83 | 72.58 | 64.80 | 53.90 | 70.29 | |||||||||||||
1963 | 49.48 | 59.18 | 61.77 | 69.43 | 80.23 | 84.73 | 89.58 | 82.90 | 81.23 | 75.65 | 61.27 | 56.39 | 70.99 | |||||||||||||
1964 | 50.42 | 51.31 | 56.97 | 67.33 | 79.23 | 85.43 | 88.55 | 86.68 | 77.77 | 74.58 | ----- | z | ----- | z | 71.83 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 49.44 | 53.72 | 58.17 | 67.41 | 76.45 | 86.45 | 87.08 | 84.95 | 80.49 | 70.49 | 58.71 | 51.05 | 68.45 | |||||||||||||
S.D. | 4.72 | 4.58 | 3.69 | 4.18 | 3.66 | 2.34 | 3.18 | 2.90 | 3.54 | 3.86 | 4.47 | 5.11 | 2.49 | |||||||||||||
SKEW | -0.14 | 0.14 | 0.03 | 0.05 | -0.86 | 0.55 | -0.56 | 0.04 | 0.39 | -0.02 | 0.09 | -0.05 | -0.20 | |||||||||||||
MAX | 58.10 | 64.04 | 65.65 | 75.83 | 82.93 | 91.70 | 92.45 | 90.19 | 88.57 | 78.00 | 66.87 | 61.87 | 72.78 | |||||||||||||
MIN | 38.39 | 42.93 | 51.00 | 57.93 | 65.87 | 82.03 | 78.81 | 79.74 | 74.70 | 62.71 | 49.87 | 41.06 | 63.95 | |||||||||||||
YRS | 33 | 33 | 33 | 33 | 33 | 32 | 34 | 34 | 34 | 34 | 34 | 34 | 29 |