YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | 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 | 94.00 | a | 87.00 | 88.00 | a | 83.00 | 73.00 | 66.00 | ----- | z | ||||
1943 | 67.00 | 67.00 | 72.00 | 82.00 | a | 87.00 | 96.00 | 93.00 | 84.00 | a | 86.00 | 79.00 | 69.00 | 60.00 | 96.00 | b | ||||||||||
1944 | 66.00 | 63.00 | d | 64.00 | 69.00 | 84.00 | 101.00 | a | 104.00 | 104.00 | 89.00 | 78.00 | 68.00 | ----- | z | ----- | z | |||||||||
1945 | ----- | z | 72.00 | 72.00 | 90.00 | 88.00 | 91.00 | 94.00 | 98.00 | 92.00 | 79.00 | 88.00 | 70.00 | ----- | z | |||||||||||
1946 | 64.00 | 66.00 | a | 85.00 | 80.00 | 79.00 | 90.00 | 90.00 | 93.00 | 85.00 | 73.00 | 68.00 | 68.00 | q | 93.00 | r | ||||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | 91.00 | a | 89.00 | 95.00 | 88.00 | 90.00 | 86.00 | 74.00 | 53.00 | q | ----- | z | ||||||
1948 | ----- | z | 64.00 | c | 65.00 | s | 80.00 | a | 84.00 | 93.00 | 97.00 | 93.00 | 97.00 | 82.00 | 68.00 | 63.00 | a | ----- | z | |||||||
1949 | 46.00 | c | ----- | z | ----- | z | ----- | z | 86.00 | l | 90.00 | 92.00 | 93.00 | 91.00 | 77.00 | 73.00 | 63.00 | ----- | z | |||||||
1950 | 65.00 | 66.00 | 73.00 | ----- | z | 86.00 | g | 96.00 | 93.00 | 96.00 | a | 98.00 | 87.00 | a | 76.00 | 71.00 | a | ----- | z | |||||||
1951 | 68.00 | 70.00 | 67.00 | 76.00 | 90.00 | 92.00 | 94.00 | 88.00 | 87.00 | h | 80.00 | 69.00 | 60.00 | 94.00 | h | |||||||||||
1952 | 62.00 | 60.00 | 60.00 | a | 74.00 | 90.00 | 90.00 | 90.00 | 90.00 | 91.00 | 83.00 | 72.00 | 60.00 | 91.00 | a | |||||||||||
1953 | 71.00 | 64.00 | 70.00 | 76.00 | a | 77.00 | 93.00 | 95.00 | 90.00 | b | 86.00 | 82.00 | 76.00 | 60.00 | 95.00 | c | ||||||||||
1954 | 64.00 | 69.00 | 65.00 | 87.00 | 85.00 | 96.00 | 92.00 | 90.00 | 88.00 | 80.00 | f | 74.00 | 64.00 | 96.00 | f | |||||||||||
1955 | 62.00 | 64.00 | 71.00 | 70.00 | a | 81.00 | 95.00 | 90.00 | 88.00 | 93.00 | 87.00 | 70.00 | b | 63.00 | 95.00 | c | ||||||||||
1956 | 65.00 | 61.00 | 73.00 | 72.00 | a | 85.00 | g | 96.00 | 94.00 | 89.00 | 93.00 | 80.00 | b | 73.00 | 64.00 | 96.00 | j | |||||||||
1957 | 53.00 | 74.00 | 67.00 | a | 69.00 | 78.00 | 93.00 | a | 94.00 | 90.00 | 88.00 | 80.00 | 67.00 | 63.00 | 94.00 | b | ||||||||||
1958 | 59.00 | 67.00 | 60.00 | 78.00 | 90.00 | 89.00 | 97.00 | 88.00 | 85.00 | 80.00 | 74.00 | 67.00 | 97.00 | |||||||||||||
1959 | 63.00 | 62.00 | 65.00 | a | 80.00 | 82.00 | 91.00 | 94.00 | 86.00 | a | 87.00 | 80.00 | a | 69.00 | 62.00 | 94.00 | c | |||||||||
1960 | 55.00 | 57.00 | 73.00 | 77.00 | 88.00 | 94.00 | 98.00 | 90.00 | 88.00 | 80.00 | 70.00 | 62.00 | 98.00 | |||||||||||||
1961 | 64.00 | 67.00 | 67.00 | 78.00 | 80.00 | 97.00 | 95.00 | 90.00 | 82.00 | 80.00 | 63.00 | 57.00 | a | 97.00 | a | |||||||||||
1962 | 63.00 | 63.00 | 68.00 | 80.00 | 78.00 | a | 91.00 | 91.00 | 93.00 | 88.00 | 77.00 | a | 73.00 | 62.00 | 93.00 | b | ||||||||||
1963 | 57.00 | 71.00 | a | 67.00 | a | 72.00 | 83.00 | 88.00 | 92.00 | 88.00 | a | 85.00 | 82.00 | 68.00 | 62.00 | 92.00 | c | |||||||||
1964 | 63.00 | 61.00 | a | 68.00 | a | 74.00 | b | 82.00 | 90.00 | 93.00 | 87.00 | 86.00 | 85.00 | 70.00 | 65.00 | 93.00 | d | |||||||||
1965 | 63.00 | 66.00 | 65.00 | 80.00 | 78.00 | 85.00 | a | 90.00 | 89.00 | 81.00 | a | 86.00 | 70.00 | 68.00 | h | 90.00 | j | |||||||||
1966 | 59.00 | 56.00 | a | 77.00 | 79.00 | 82.00 | 91.00 | 91.00 | 90.00 | 87.00 | 77.00 | c | 74.00 | 61.00 | 91.00 | d | ||||||||||
1967 | 61.00 | 65.00 | 69.00 | 66.00 | a | 85.00 | 91.00 | 95.00 | ----- | z | 81.00 | 80.00 | 75.00 | 62.00 | q | ----- | z | |||||||||
1968 | 62.00 | 67.00 | d | 70.00 | 72.00 | 85.00 | 93.00 | 90.00 | 86.00 | 87.00 | 79.00 | a | 67.00 | a | 64.00 | 93.00 | f | |||||||||
1969 | 66.00 | 57.00 | 73.00 | 75.00 | 86.00 | 92.00 | 95.00 | 91.00 | 85.00 | 80.00 | 63.00 | 65.00 | 95.00 | |||||||||||||
1970 | 64.00 | 64.00 | 66.00 | 69.00 | 73.00 | v | ----- | z | 98.00 | a | 90.00 | 84.00 | 76.00 | a | 72.00 | a | 63.00 | ----- | z | |||||||
1971 | 70.00 | 70.00 | a | 75.00 | a | 75.00 | 77.00 | a | 92.00 | 97.00 | a | 84.00 | 90.00 | 78.00 | a | 69.00 | 50.00 | i | 97.00 | n | ||||||
1972 | 58.00 | b | 69.00 | b | 75.00 | d | 77.00 | 80.00 | a | 97.00 | b | 95.00 | b | 89.00 | 82.00 | c | 85.00 | ----- | z | 50.00 | y | ----- | z | |||
1973 | 60.00 | 60.00 | a | 60.00 | a | 74.00 | 83.00 | a | 97.00 | 98.00 | c | 91.00 | b | 89.00 | a | 79.00 | a | 73.00 | c | 62.00 | a | 98.00 | n | |||
1974 | 65.00 | 61.00 | c | 69.00 | d | 73.00 | d | 89.00 | d | 95.00 | a | ----- | z | 91.00 | n | 85.00 | 80.00 | 72.00 | 57.00 | ----- | z | |||||
1975 | 68.00 | 65.00 | 67.00 | 67.00 | 80.00 | ----- | z | ----- | z | 88.00 | n | 84.00 | 83.00 | 75.00 | 64.00 | e | ----- | z | ||||||||
1976 | 67.00 | 67.00 | 67.00 | 76.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 62.58 | 64.84 | 69.03 | 75.71 | 83.52 | 92.71 | 94.06 | 90.10 | 87.61 | 80.70 | 71.36 | 62.96 | 94.36 | |||||||||||||
S.D. | 5.12 | 4.39 | 5.26 | 5.43 | 4.33 | 3.34 | 3.08 | 3.99 | 4.08 | 3.29 | 4.48 | 3.20 | 2.21 | |||||||||||||
SKEW | -1.17 | -0.10 | 0.63 | 0.47 | 0.15 | 0.19 | 0.92 | 1.48 | 0.63 | 0.20 | 1.22 | 0.53 | -0.03 | |||||||||||||
MAX | 71.00 | 74.00 | 85.00 | 90.00 | 91.00 | 101.00 | 104.00 | 104.00 | 98.00 | 87.00 | 88.00 | 71.00 | 98.00 | |||||||||||||
MIN | 46.00 | 56.00 | 60.00 | 66.00 | 77.00 | 85.00 | 90.00 | 84.00 | 81.00 | 73.00 | 63.00 | 57.00 | 91.00 | |||||||||||||
YRS | 31 | 32 | 31 | 31 | 29 | 31 | 32 | 31 | 33 | 33 | 33 | 27 | 14 |