YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1903 | 57.00 | u | 47.00 | 72.00 | b | 81.00 | 88.00 | 97.00 | 96.00 | a | 98.00 | a | 92.00 | a | 87.00 | a | 70.00 | a | 59.00 | ----- | z | |||||
1904 | 56.00 | b | 68.00 | b | 71.00 | a | 82.00 | d | 87.00 | 93.00 | 100.00 | a | 98.00 | d | 91.00 | a | 80.00 | a | 67.00 | 58.00 | 100.00 | p | ||||
1905 | 59.00 | 58.00 | 70.00 | 78.00 | 86.00 | b | 90.00 | 98.00 | a | 95.00 | a | 91.00 | 85.00 | 63.00 | 55.00 | 98.00 | d | |||||||||
1906 | ----- | z | 64.00 | a | 66.00 | 79.00 | 83.00 | 94.00 | 97.00 | b | 97.00 | b | 89.00 | a | 82.00 | b | 72.00 | a | 64.00 | a | ----- | z | ||||
1907 | 49.00 | 64.00 | a | 71.00 | 81.00 | 84.00 | a | 91.00 | c | 95.00 | a | 92.00 | b | 87.00 | b | 78.00 | o | 69.00 | 67.00 | c | ----- | z | ||||
1908 | 56.00 | b | 64.00 | b | 75.00 | a | 80.00 | a | 78.00 | b | 89.00 | g | 93.00 | b | 92.00 | e | 89.00 | c | 75.00 | a | 63.00 | l | 53.00 | f | ----- | z |
1909 | 62.00 | f | 57.00 | g | 69.00 | c | 78.00 | g | 82.00 | i | 92.00 | a | 98.00 | d | 91.00 | 89.00 | b | 91.00 | a | 71.00 | c | ----- | z | ----- | z | |
1910 | 50.00 | d | 61.00 | d | 74.00 | j | 86.00 | e | 94.00 | m | 94.00 | f | 98.00 | r | 93.00 | a | 89.00 | 89.00 | 71.00 | ----- | z | ----- | z | |||
1911 | ----- | z | 45.00 | p | 65.00 | j | 77.00 | q | 88.00 | a | 94.00 | c | ----- | z | 95.00 | ----- | z | ----- | z | ----- | z | 61.00 | g | ----- | z | |
1912 | 59.00 | b | 61.00 | a | 61.00 | e | 66.00 | f | 84.00 | h | 88.00 | t | 93.00 | q | 94.00 | m | 88.00 | r | 80.00 | o | 70.00 | p | 60.00 | p | ----- | z |
1913 | 64.00 | q | ----- | z | 79.00 | n | 77.00 | k | 86.00 | g | 89.00 | a | 96.00 | g | 92.00 | i | 88.00 | h | 79.00 | f | 69.00 | n | 46.00 | r | ----- | z |
1914 | 65.00 | v | ----- | z | ----- | z | ----- | z | ----- | z | 92.00 | l | 90.00 | k | 95.00 | g | 86.00 | o | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.00 | k | 62.00 | n | ----- | z |
1916 | 45.00 | t | 57.00 | p | 74.00 | q | 84.00 | k | 85.00 | j | 94.00 | c | 96.00 | r | 92.00 | c | 90.00 | a | 78.00 | g | 78.00 | a | 65.00 | h | ----- | z |
1917 | 48.00 | d | 65.00 | e | 65.00 | o | 78.00 | m | 70.00 | s | 94.00 | c | 100.00 | t | 103.00 | x | ----- | 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 | ----- | 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 | 93.00 | h | 95.00 | j | 100.00 | 104.00 | l | 93.00 | y | ----- | z | 56.00 | m | 60.00 | ----- | z | ||
1952 | 55.00 | 58.00 | 64.00 | 84.00 | 87.00 | 91.00 | 98.00 | 101.00 | 95.00 | 88.00 | 79.00 | 57.00 | 101.00 | |||||||||||||
1953 | 60.00 | 60.00 | 74.00 | 82.00 | 84.00 | 98.00 | 101.00 | 96.00 | w | 84.00 | u | 73.00 | ----- | z | 49.00 | ----- | z | |||||||||
1954 | 49.00 | 55.00 | 62.00 | n | ----- | z | ----- | z | 101.00 | a | 103.00 | b | 99.00 | d | 94.00 | 83.00 | 68.00 | c | 56.00 | ----- | z | |||||
1955 | 44.00 | 49.00 | a | 68.00 | a | 74.00 | 86.00 | i | 95.00 | 101.00 | 97.00 | 98.00 | 84.00 | 72.00 | a | ----- | z | ----- | z | |||||||
1956 | ----- | z | 56.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.00 | 72.00 | 62.00 | ----- | z | |||
1957 | 54.00 | 66.00 | 69.00 | a | 74.00 | 82.00 | 99.00 | a | 101.00 | 100.00 | 97.00 | 80.00 | 54.00 | 60.00 | a | 101.00 | c | |||||||||
1958 | 60.00 | 70.00 | 67.00 | 80.00 | 90.00 | 97.00 | 104.00 | 103.00 | 97.00 | 86.00 | 78.00 | 64.00 | 104.00 | |||||||||||||
1959 | 63.00 | a | 58.00 | 70.00 | 85.00 | 87.00 | a | 100.00 | 103.00 | 98.00 | 96.00 | 84.00 | 69.00 | 59.00 | 103.00 | b | ||||||||||
1960 | 50.00 | 55.00 | 75.00 | 84.00 | 91.00 | 97.00 | 106.00 | 103.00 | a | 95.00 | 84.00 | 74.00 | 63.00 | 106.00 | a | |||||||||||
1961 | 64.00 | 62.00 | 68.00 | 81.00 | 86.00 | a | 103.00 | 101.00 | 97.00 | 90.00 | 82.00 | 62.00 | 58.00 | 103.00 | a | |||||||||||
1962 | 62.00 | 56.00 | 71.00 | 86.00 | 85.00 | 99.00 | 98.00 | 100.00 | 93.00 | 82.00 | 73.00 | 61.00 | 100.00 | |||||||||||||
1963 | 56.00 | 71.00 | 71.00 | b | 82.00 | 89.00 | 92.00 | 100.00 | 100.00 | 92.00 | 89.00 | 68.00 | 55.00 | 100.00 | b | |||||||||||
1964 | 53.00 | 62.00 | 74.00 | 79.00 | 87.00 | 98.00 | 101.00 | 101.00 | 91.00 | 86.00 | g | 72.00 | 61.00 | d | 101.00 | k | ||||||||||
1965 | 63.00 | 71.00 | 71.00 | 82.00 | 85.00 | 92.00 | 101.00 | 99.00 | 90.00 | 90.00 | 77.00 | 64.00 | 101.00 | |||||||||||||
1966 | 56.00 | 56.00 | 79.00 | 80.00 | 95.00 | 99.00 | 104.00 | 104.00 | 93.00 | 83.00 | 73.00 | 61.00 | b | 104.00 | b | |||||||||||
1967 | 58.00 | 71.00 | 73.00 | 68.00 | 92.00 | a | 96.00 | c | 102.00 | a | 96.00 | 93.00 | 81.00 | 72.00 | 54.00 | 102.00 | e | |||||||||
1968 | 51.00 | f | 66.00 | 77.00 | 80.00 | 92.00 | 100.00 | 98.00 | 90.00 | 89.00 | 74.00 | 67.00 | 60.00 | 100.00 | f | |||||||||||
1969 | 68.00 | 58.00 | 76.00 | 83.00 | 89.00 | 92.00 | 96.00 | b | 96.00 | 95.00 | 80.00 | 70.00 | 65.00 | 96.00 | b | |||||||||||
1970 | 65.00 | 62.00 | 69.00 | 76.00 | 88.00 | 98.00 | 95.00 | e | 97.00 | e | 88.00 | 76.00 | 68.00 | 58.00 | 98.00 | j | ||||||||||
1971 | 62.00 | 64.00 | 74.00 | 75.00 | 80.00 | b | 96.00 | 95.00 | 93.00 | 89.00 | b | 82.00 | 65.00 | 52.00 | 96.00 | d | ||||||||||
1972 | 60.00 | 70.00 | 78.00 | 77.00 | 88.00 | 98.00 | 99.00 | r | 96.00 | 83.00 | a | 72.00 | 62.00 | 56.00 | 99.00 | s | ||||||||||
1973 | 50.00 | 57.00 | 57.00 | 78.00 | 85.00 | 94.00 | 99.00 | 93.00 | 86.00 | 79.00 | a | 73.00 | 62.00 | 99.00 | a | |||||||||||
1974 | 62.00 | 60.00 | 71.00 | 75.00 | 90.00 | a | 98.00 | 94.00 | b | 93.00 | j | 92.00 | 80.00 | 69.00 | 58.00 | 98.00 | m | |||||||||
1975 | 64.00 | 64.00 | 68.00 | 68.00 | 85.00 | a | 89.00 | a | 92.00 | b | 93.00 | b | 88.00 | e | 83.00 | 76.00 | 60.00 | 93.00 | k | |||||||
1976 | 55.00 | 66.00 | 69.00 | a | 78.00 | 89.00 | c | 97.00 | h | 103.00 | b | 93.00 | o | 94.00 | 79.00 | 73.00 | 60.00 | a | ----- | z | ||||||
1977 | 54.00 | 70.00 | a | 69.00 | 84.00 | 79.00 | f | 98.00 | h | 99.00 | d | 100.00 | h | 98.00 | 84.00 | 74.00 | 67.00 | ----- | z | |||||||
1978 | 55.00 | 63.00 | 76.00 | b | 75.00 | 86.00 | 96.00 | b | 103.00 | c | 101.00 | k | 94.00 | 87.00 | 70.00 | 54.00 | d | 103.00 | v | |||||||
1979 | 50.00 | 58.00 | 68.00 | 78.00 | c | 89.00 | 100.00 | a | 104.00 | f | 94.00 | k | 94.00 | 88.00 | 63.00 | 72.00 | c | 104.00 | x | |||||||
1980 | 62.00 | 68.00 | 65.00 | 82.00 | 85.00 | e | 95.00 | 101.00 | 97.00 | o | 93.00 | 85.00 | c | 80.00 | d | 65.00 | ----- | z | ||||||||
1981 | 60.00 | 67.00 | 68.00 | 85.00 | 85.00 | b | 108.00 | b | 102.00 | c | 100.00 | 93.00 | a | 75.00 | 68.00 | 68.00 | c | 108.00 | k | |||||||
1982 | 64.00 | 71.00 | 72.00 | 85.00 | c | 90.00 | g | 95.00 | 102.00 | d | 98.00 | f | 94.00 | 76.00 | d | 64.00 | 56.00 | 102.00 | x | |||||||
1983 | 68.00 | 64.00 | a | 74.00 | a | 70.00 | b | 92.00 | d | 96.00 | a | 104.00 | c | 98.00 | h | 94.00 | 80.00 | c | ----- | z | ----- | z | ----- | z | ||
1984 | 55.00 | 57.00 | 67.00 | 81.00 | a | 93.00 | a | 89.00 | 99.00 | 97.00 | 95.00 | 80.00 | 68.00 | j | 50.00 | j | 99.00 | v | ||||||||
1985 | 51.00 | 57.00 | j | 69.00 | 81.00 | a | 85.00 | w | 97.00 | h | 103.00 | a | 97.00 | d | 94.00 | a | 83.00 | 73.00 | a | 53.00 | ----- | z | ||||
1986 | 65.00 | 73.00 | c | 78.00 | c | 81.00 | b | 93.00 | l | 98.00 | 98.00 | a | 100.00 | 94.00 | 75.00 | a | 69.00 | a | 55.00 | 100.00 | w | |||||
1987 | 56.00 | 59.00 | a | 68.00 | b | 83.00 | a | 85.00 | d | 96.00 | a | 95.00 | a | 98.00 | c | 94.00 | 86.00 | a | 61.00 | 68.00 | 98.00 | n | ||||
1988 | 50.00 | h | 63.00 | b | 75.00 | e | 80.00 | e | 88.00 | o | 97.00 | d | 100.00 | b | 96.00 | j | 94.00 | a | 87.00 | b | 75.00 | d | 63.00 | f | ----- | z |
1989 | 54.00 | g | 68.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | 101.00 | b | 97.00 | 90.00 | 86.00 | 73.00 | 62.00 | ----- | z | |||||
1990 | 71.00 | 56.00 | a | 72.00 | 82.00 | 82.00 | a | 100.00 | 100.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.64 | 62.52 | 70.66 | 79.65 | 86.95 | 95.91 | 99.55 | 96.97 | 92.13 | 82.18 | 70.16 | 59.95 | 100.86 | |||||||||||||
S.D. | 6.20 | 5.94 | 4.45 | 4.41 | 3.63 | 3.93 | 3.26 | 3.52 | 3.25 | 4.78 | 5.32 | 4.93 | 2.98 | |||||||||||||
SKEW | -0.02 | -0.34 | -0.51 | -0.96 | -0.10 | 0.37 | -0.39 | -0.07 | -0.43 | -0.29 | -0.61 | 0.18 | -0.13 | |||||||||||||
MAX | 71.00 | 73.00 | 79.00 | 86.00 | 95.00 | 108.00 | 106.00 | 104.00 | 98.00 | 91.00 | 80.00 | 72.00 | 106.00 | |||||||||||||
MIN | 44.00 | 47.00 | 57.00 | 68.00 | 78.00 | 89.00 | 92.00 | 90.00 | 83.00 | 72.00 | 54.00 | 49.00 | 96.00 | |||||||||||||
YRS | 42 | 46 | 44 | 43 | 37 | 44 | 44 | 37 | 45 | 44 | 43 | 40 | 14 |