YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 45.00 | y | 70.00 | 80.00 | 84.00 | 93.00 | 88.00 | 82.00 | 75.00 | 53.00 | 42.00 | a | ----- | z | ||||||||
1921 | 49.00 | 57.00 | 64.00 | 68.00 | a | 76.00 | 89.00 | 94.00 | a | 87.00 | 81.00 | 76.00 | 62.00 | 51.00 | a | 94.00 | c | |||||||||
1922 | 40.00 | a | 48.00 | 60.00 | 73.00 | 80.00 | a | 95.00 | 96.00 | b | 88.00 | 86.00 | 78.00 | a | 50.00 | 44.00 | 96.00 | e | ||||||||
1923 | 50.00 | 46.00 | a | 59.00 | 68.00 | 79.00 | 91.00 | 92.00 | 85.00 | 85.00 | 67.00 | 54.00 | 42.00 | a | 92.00 | b | ||||||||||
1924 | 48.00 | 58.00 | 54.00 | 69.00 | 81.00 | 93.00 | 92.00 | 89.00 | 89.00 | 72.00 | 59.00 | 48.00 | 93.00 | |||||||||||||
1925 | 40.00 | 48.00 | 62.00 | 75.00 | 94.00 | 90.00 | o | 96.00 | 86.00 | 78.00 | 73.00 | 56.00 | 46.00 | a | 96.00 | p | ||||||||||
1926 | 40.00 | 54.00 | 61.00 | 79.00 | 86.00 | 94.00 | a | 92.00 | 92.00 | 81.00 | 76.00 | 61.00 | 52.00 | 94.00 | a | |||||||||||
1927 | 46.00 | 54.00 | 60.00 | 79.00 | 85.00 | 92.00 | 93.00 | 88.00 | 82.00 | 77.00 | 61.00 | 51.00 | 93.00 | |||||||||||||
1928 | 55.00 | 52.00 | 67.00 | 75.00 | 83.00 | a | 90.00 | 93.00 | 90.00 | 85.00 | 78.00 | 57.00 | 46.00 | 93.00 | a | |||||||||||
1929 | 47.00 | 45.00 | 63.00 | 71.00 | 78.00 | 93.00 | 92.00 | 90.00 | 79.00 | 77.00 | a | 61.00 | 58.00 | 93.00 | a | |||||||||||
1930 | 45.00 | 56.00 | ----- | 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 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 85.00 | 90.00 | 94.00 | e | 95.00 | k | 87.00 | i | 79.00 | k | 62.00 | i | 56.00 | j | ----- | z | ||
1959 | 50.00 | i | 49.00 | f | 57.00 | h | 74.00 | k | 83.00 | e | 91.00 | d | 92.00 | c | 91.00 | d | 86.00 | c | 76.00 | r | 59.00 | d | 53.00 | e | ----- | z |
1960 | 41.00 | c | 42.00 | f | 65.00 | c | 72.00 | c | 81.00 | b | 88.00 | d | 95.00 | b | 92.00 | d | 83.00 | d | 80.00 | c | 67.00 | c | 47.00 | c | ----- | z |
1961 | 49.00 | d | 53.00 | a | 56.00 | 70.00 | 79.00 | a | ----- | z | 93.00 | a | 90.00 | e | 78.00 | 75.00 | 51.00 | 47.00 | b | ----- | z | |||||
1962 | 51.00 | 55.00 | b | ----- | z | 81.00 | 78.00 | 91.00 | a | 92.00 | 92.00 | a | 84.00 | 74.00 | 58.00 | 49.00 | ----- | z | ||||||||
1963 | 46.00 | 59.00 | a | 64.00 | a | 63.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | 72.00 | u | 81.00 | 88.00 | 92.00 | 92.00 | 85.00 | 76.00 | 66.00 | 62.00 | a | ----- | z | |||||||
1967 | 44.00 | 55.00 | 61.00 | 68.00 | 88.00 | 87.00 | 92.00 | 95.00 | a | 92.00 | 75.00 | 63.00 | 44.00 | 95.00 | a | |||||||||||
1968 | 48.00 | 52.00 | 65.00 | a | 69.00 | 82.00 | 95.00 | 92.00 | 86.00 | 83.00 | 72.00 | 59.00 | 41.00 | a | 95.00 | b | ||||||||||
1969 | 45.00 | a | 41.00 | 65.00 | 65.00 | 87.00 | 85.00 | 95.00 | 98.00 | 85.00 | 70.00 | 57.00 | 50.00 | 98.00 | a | |||||||||||
1970 | 49.00 | 58.00 | 54.00 | 51.00 | 75.00 | 82.00 | 92.00 | 91.00 | 78.00 | 61.00 | 50.00 | 49.00 | 92.00 | |||||||||||||
1971 | 60.00 | 50.00 | 57.00 | 68.00 | 66.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.00 | i | 42.00 | ----- | z | ||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | 80.00 | m | 84.00 | g | 93.00 | n | 92.00 | i | 78.00 | j | 74.00 | i | 49.00 | i | ----- | z | ----- | z |
1973 | ----- | z | 42.00 | h | 48.00 | i | ----- | z | ----- | z | 84.00 | m | 92.00 | n | 88.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | 63.00 | t | 66.00 | i | 81.00 | i | 92.00 | j | 92.00 | o | 88.00 | e | 86.00 | d | 74.00 | 57.00 | d | 42.00 | e | ----- | z | |
1975 | 52.00 | a | 45.00 | 55.00 | 60.00 | 77.00 | 83.00 | 89.00 | 87.00 | 82.00 | 75.00 | c | 64.00 | 48.00 | 89.00 | d | ||||||||||
1976 | 50.00 | b | 51.00 | 57.00 | 64.00 | 79.00 | 91.00 | h | 89.00 | j | 87.00 | 86.00 | c | 72.00 | 63.00 | 48.00 | a | 91.00 | x | |||||||
1977 | 49.00 | 56.00 | a | 58.00 | 74.00 | 73.00 | 88.00 | d | 90.00 | 89.00 | 87.00 | 72.00 | b | 59.00 | 52.00 | 90.00 | g | |||||||||
1978 | 42.00 | 43.00 | 65.00 | 64.00 | c | 76.00 | 85.00 | 92.00 | 88.00 | 85.00 | 75.00 | 61.00 | 40.00 | 92.00 | c | |||||||||||
1979 | 36.00 | c | 42.00 | f | 52.00 | 68.00 | 78.00 | 89.00 | 92.00 | 97.00 | 81.00 | 78.00 | 49.00 | a | 46.00 | 97.00 | j | |||||||||
1980 | 43.00 | a | 48.00 | 47.00 | 72.00 | 75.00 | 88.00 | 90.00 | 89.00 | 82.00 | 79.00 | 63.00 | a | 53.00 | 90.00 | b | ||||||||||
1981 | 53.00 | 53.00 | 54.00 | 74.00 | 76.00 | 92.00 | 90.00 | 91.00 | 80.00 | 71.00 | 60.00 | 47.00 | 92.00 | |||||||||||||
1982 | 41.00 | 50.00 | 52.00 | 65.00 | 76.00 | 86.00 | 92.00 | 89.00 | 83.00 | 62.00 | 50.00 | 41.00 | 92.00 | |||||||||||||
1983 | 44.00 | 49.00 | 56.00 | 60.00 | 80.00 | 86.00 | 87.00 | 90.00 | 84.00 | 66.00 | 62.00 | 44.00 | 90.00 | |||||||||||||
1984 | 47.00 | 44.00 | 54.00 | 69.00 | 83.00 | 88.00 | 87.00 | 86.00 | 83.00 | 67.00 | 53.00 | 40.00 | 88.00 | |||||||||||||
1985 | 42.00 | 45.00 | a | 58.00 | 71.00 | 78.00 | 87.00 | 93.00 | 88.00 | 88.00 | 68.00 | g | 57.00 | a | 46.00 | 93.00 | i | |||||||||
1986 | 48.00 | a | 61.00 | 66.00 | 68.00 | 76.00 | 88.00 | 88.00 | 92.00 | 83.00 | 65.00 | 55.00 | 45.00 | 92.00 | a | |||||||||||
1987 | 43.00 | 50.00 | 57.00 | 74.00 | 76.00 | 88.00 | b | 89.00 | 86.00 | 83.00 | 77.00 | 59.00 | 46.00 | a | 89.00 | c | ||||||||||
1988 | 38.00 | 52.00 | a | 62.00 | 70.00 | 78.00 | 92.00 | 92.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.09 | 51.23 | 59.03 | 69.30 | 79.66 | 88.97 | 91.91 | 89.61 | 83.48 | 73.06 | 58.06 | 47.12 | 92.30 | |||||||||||||
S.D. | 5.16 | 5.12 | 4.97 | 5.98 | 4.99 | 3.39 | 2.23 | 3.06 | 3.18 | 4.91 | 4.80 | 5.00 | 2.36 | |||||||||||||
SKEW | 0.37 | -0.10 | -0.28 | -0.63 | 0.30 | -0.06 | -0.42 | 0.96 | 0.31 | -0.94 | -0.29 | 0.87 | 0.24 | |||||||||||||
MAX | 60.00 | 61.00 | 67.00 | 81.00 | 94.00 | 95.00 | 96.00 | 98.00 | 92.00 | 80.00 | 67.00 | 62.00 | 98.00 | |||||||||||||
MIN | 36.00 | 41.00 | 47.00 | 51.00 | 66.00 | 82.00 | 87.00 | 85.00 | 78.00 | 61.00 | 49.00 | 40.00 | 88.00 | |||||||||||||
YRS | 33 | 31 | 31 | 33 | 35 | 31 | 33 | 33 | 33 | 31 | 33 | 34 | 20 |