YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | 72.00 | 68.00 | 80.00 | 87.00 | 96.00 | 104.00 | 99.00 | l | ----- | z | 86.00 | u | 81.00 | 80.00 | a | 57.00 | a | ----- | z | |||||||
1915 | 61.00 | 63.00 | 69.00 | 77.00 | 86.00 | 92.00 | 92.00 | 93.00 | 86.00 | 88.00 | 80.00 | a | 69.00 | 93.00 | a | |||||||||||
1916 | 60.00 | a | 73.00 | a | 81.00 | 83.00 | 86.00 | 96.00 | 93.00 | a | 89.00 | a | 88.00 | c | 76.00 | a | 83.00 | 66.00 | 96.00 | h | ||||||
1917 | 62.00 | a | 64.00 | a | 74.00 | 78.00 | 83.00 | 96.00 | n | 91.00 | c | 90.00 | a | 87.00 | a | 87.00 | b | 74.00 | a | 78.00 | 96.00 | x | ||||
1918 | 69.00 | 64.00 | 68.00 | 73.00 | 79.00 | 91.00 | i | 93.00 | ----- | 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 | 87.00 | 73.00 | 63.00 | ----- | z | |||
1936 | 65.00 | 70.00 | 74.00 | 86.00 | 91.00 | 104.00 | 103.00 | 99.00 | 95.00 | 89.00 | 74.00 | 68.00 | 104.00 | |||||||||||||
1937 | 54.00 | 69.00 | 73.00 | 87.00 | 91.00 | 100.00 | 100.00 | 102.00 | 96.00 | 87.00 | 79.00 | a | 67.00 | 102.00 | a | |||||||||||
1938 | 64.00 | c | 66.00 | b | 72.00 | 86.00 | d | 97.00 | c | 100.00 | 101.00 | 103.00 | 95.00 | 89.00 | 72.00 | 75.00 | 103.00 | l | ||||||||
1939 | 66.00 | 64.00 | a | 79.00 | 86.00 | 91.00 | 100.00 | 102.00 | 95.00 | 95.00 | f | 85.00 | 77.00 | 75.00 | a | 102.00 | h | |||||||||
1940 | 70.00 | 75.00 | 80.00 | 83.00 | 93.00 | 104.00 | 104.00 | 98.00 | 96.00 | 84.00 | 75.00 | 72.00 | a | 104.00 | a | |||||||||||
1941 | 65.00 | 70.00 | 71.00 | 76.00 | 89.00 | 94.00 | 97.00 | 96.00 | 93.00 | 83.00 | 76.00 | 70.00 | 97.00 | |||||||||||||
1942 | 67.00 | 67.00 | 76.00 | 79.00 | 91.00 | 101.00 | 103.00 | 96.00 | 96.00 | 89.00 | 78.00 | 70.00 | 103.00 | |||||||||||||
1943 | 71.00 | a | 77.00 | 80.00 | 91.00 | a | 92.00 | j | 100.00 | i | 104.00 | 95.00 | 97.00 | 84.00 | 75.00 | 65.00 | 104.00 | u | ||||||||
1944 | 69.00 | 69.00 | 70.00 | a | 76.00 | a | 88.00 | 96.00 | 99.00 | 102.00 | 98.00 | 87.00 | 76.00 | 66.00 | a | 102.00 | c | |||||||||
1945 | 68.00 | 70.00 | c | 72.00 | d | 85.00 | 84.00 | 98.00 | 100.00 | 100.00 | 102.00 | 82.00 | 82.00 | a | 70.00 | 102.00 | h | |||||||||
1946 | 68.00 | 73.00 | 77.00 | 88.00 | 87.00 | 101.00 | 102.00 | 96.00 | 93.00 | 79.00 | 73.00 | 72.00 | 102.00 | |||||||||||||
1947 | 70.00 | 72.00 | 77.00 | 84.00 | 95.00 | 98.00 | 103.00 | 100.00 | 103.00 | 94.00 | 78.00 | 66.00 | 103.00 | |||||||||||||
1948 | 74.00 | 75.00 | 71.00 | 87.00 | 90.00 | 97.00 | 101.00 | 99.00 | 102.00 | a | 85.00 | 70.00 | 64.00 | f | 102.00 | g | ||||||||||
1949 | 56.00 | a | 71.00 | 74.00 | 87.00 | 93.00 | 95.00 | 95.00 | 98.00 | 96.00 | 86.00 | 77.00 | 68.00 | 98.00 | a | |||||||||||
1950 | 72.00 | 70.00 | 77.00 | a | 85.00 | 88.00 | 100.00 | 98.00 | g | 101.00 | 102.00 | 92.00 | 76.00 | 75.00 | 102.00 | h | ||||||||||
1951 | 69.00 | 73.00 | 73.00 | 77.00 | 94.00 | 96.00 | 100.00 | a | 96.00 | 90.00 | 84.00 | 70.00 | 64.00 | 100.00 | a | |||||||||||
1952 | 65.00 | 64.00 | 67.00 | 78.00 | 85.00 | 94.00 | 97.00 | 98.00 | 97.00 | 87.00 | 75.00 | 65.00 | 98.00 | |||||||||||||
1953 | 73.00 | 71.00 | 77.00 | 82.00 | 83.00 | 98.00 | a | 103.00 | 96.00 | 94.00 | 89.00 | 76.00 | 66.00 | 103.00 | a | |||||||||||
1954 | 68.00 | 73.00 | 74.00 | 84.00 | 85.00 | a | 99.00 | 99.00 | 93.00 | 93.00 | a | 89.00 | 80.00 | 70.00 | 99.00 | b | ||||||||||
1955 | 62.00 | 70.00 | 78.00 | 79.00 | c | 90.00 | a | 103.00 | 97.00 | 91.00 | 94.00 | 96.00 | d | 75.00 | e | 68.00 | 103.00 | m | ||||||||
1956 | 67.00 | 67.00 | 79.00 | 78.00 | 91.00 | 99.00 | 103.00 | 98.00 | 97.00 | 89.00 | a | 74.00 | 66.00 | 103.00 | a | |||||||||||
1957 | 62.00 | 77.00 | 73.00 | 76.00 | 86.00 | 99.00 | 102.00 | 93.00 | 102.00 | a | 87.00 | 69.00 | 67.00 | 102.00 | a | |||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | 69.00 | 65.00 | 74.00 | 85.00 | 92.00 | 100.00 | 99.00 | 93.00 | 95.00 | 87.00 | 73.00 | 67.00 | c | 100.00 | c | |||||||||||
1960 | 61.00 | a | 60.00 | 79.00 | c | 82.00 | c | 96.00 | b | 101.00 | 99.00 | 97.00 | a | 93.00 | 93.00 | 76.00 | 67.00 | 101.00 | j | |||||||
1961 | 65.00 | 70.00 | 75.00 | 88.00 | b | 88.00 | c | 102.00 | 101.00 | 97.00 | 89.00 | 87.00 | a | 69.00 | 66.00 | d | 102.00 | j | ||||||||
1962 | 65.00 | b | 70.00 | 75.00 | 86.00 | 87.00 | a | 99.00 | 97.00 | 102.00 | 99.00 | 85.00 | 78.00 | a | 68.00 | 102.00 | d | |||||||||
1963 | 65.00 | 79.00 | 73.00 | 81.00 | a | 89.00 | 97.00 | 100.00 | 92.00 | 90.00 | 87.00 | 75.00 | a | 66.00 | 100.00 | b | ||||||||||
1964 | 68.00 | 66.00 | 77.00 | 82.00 | 90.00 | 96.00 | ----- | z | 99.00 | a | 94.00 | 88.00 | 73.00 | 64.00 | a | ----- | z | |||||||||
1965 | 68.00 | a | 68.00 | a | 75.00 | d | 85.00 | 87.00 | a | 95.00 | 99.00 | 98.00 | 95.00 | 91.00 | 77.00 | 70.00 | c | 99.00 | j | |||||||
1966 | 66.00 | 64.00 | 79.00 | 82.00 | 89.00 | 97.00 | 99.00 | 99.00 | 90.00 | 81.00 | 75.00 | 67.00 | 99.00 | |||||||||||||
1967 | 67.00 | 70.00 | 78.00 | 76.00 | 91.00 | 98.00 | a | 103.00 | 96.00 | 91.00 | 86.00 | 79.00 | 64.00 | 103.00 | a | |||||||||||
1968 | 63.00 | 74.00 | 79.00 | a | 78.00 | 91.00 | 100.00 | 97.00 | 92.00 | 95.00 | 86.00 | 72.00 | 72.00 | 100.00 | a | |||||||||||
1969 | 71.00 | 66.00 | 80.00 | 84.00 | 93.00 | 101.00 | 101.00 | 100.00 | 95.00 | 85.00 | a | 70.00 | 70.00 | 101.00 | a | |||||||||||
1970 | 69.00 | 70.00 | a | 71.00 | 76.00 | 94.00 | 105.00 | 103.00 | 98.00 | 94.00 | b | 83.00 | 74.00 | a | 72.00 | 105.00 | d | |||||||||
1971 | 76.00 | 74.00 | 82.00 | a | 82.00 | 88.00 | 100.00 | 103.00 | 92.00 | 98.00 | 80.00 | 80.00 | 66.00 | 103.00 | a | |||||||||||
1972 | 63.00 | 76.00 | a | 84.00 | 85.00 | 87.00 | 101.00 | a | 104.00 | 103.00 | 92.00 | 91.00 | a | 69.00 | 65.00 | 104.00 | c | |||||||||
1973 | 65.00 | 66.00 | a | 62.00 | b | 80.00 | c | 88.00 | b | 103.00 | a | 102.00 | 98.00 | 95.00 | a | 88.00 | 81.00 | a | 69.00 | 103.00 | k | |||||
1974 | 72.00 | 71.00 | 77.00 | 80.00 | 96.00 | 104.00 | 100.00 | 95.00 | 95.00 | a | 86.00 | a | 72.00 | 61.00 | 104.00 | b | ||||||||||
1975 | 68.00 | 69.00 | 73.00 | 74.00 | 87.00 | 95.00 | 97.00 | a | 97.00 | 92.00 | 87.00 | 75.00 | 66.00 | 97.00 | a | |||||||||||
1976 | 66.00 | 65.00 | 68.00 | 76.00 | 84.00 | 96.00 | 94.00 | 92.00 | 85.00 | 79.00 | 71.00 | 63.00 | 96.00 | |||||||||||||
1977 | 62.00 | 72.00 | 73.00 | a | 78.00 | 93.00 | 97.00 | 95.00 | 96.00 | 92.00 | 83.00 | 73.00 | 66.00 | 97.00 | a | |||||||||||
1978 | 65.00 | 67.00 | 76.00 | 79.00 | 89.00 | 92.00 | 93.00 | 90.00 | b | 90.00 | 86.00 | 72.00 | 60.00 | 93.00 | b | |||||||||||
1979 | 55.00 | 69.00 | 68.00 | 77.00 | a | 84.00 | b | 99.00 | b | 99.00 | a | 94.00 | f | 95.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 66.21 | 69.50 | 74.88 | 81.54 | 89.26 | 98.80 | 99.31 | 96.51 | 94.36 | 86.26 | 75.13 | 67.54 | 100.55 | |||||||||||||
S.D. | 4.65 | 4.16 | 4.44 | 4.42 | 3.98 | 3.24 | 3.56 | 3.64 | 4.22 | 3.94 | 3.56 | 4.03 | 3.19 | |||||||||||||
SKEW | -0.52 | 0.10 | -0.45 | 0.00 | -0.09 | -0.07 | -0.66 | -0.17 | 0.02 | -0.13 | 0.17 | 0.19 | -0.81 | |||||||||||||
MAX | 76.00 | 79.00 | 84.00 | 91.00 | 97.00 | 105.00 | 104.00 | 103.00 | 103.00 | 96.00 | 83.00 | 78.00 | 105.00 | |||||||||||||
MIN | 54.00 | 60.00 | 62.00 | 73.00 | 79.00 | 92.00 | 91.00 | 89.00 | 85.00 | 76.00 | 69.00 | 57.00 | 93.00 | |||||||||||||
YRS | 48 | 48 | 48 | 48 | 47 | 45 | 45 | 45 | 45 | 47 | 47 | 46 | 31 |