| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1927 | 28.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.00 | c | 88.00 | a | 70.00 | c | ----- | z | 47.00 | b | 88.00 | |
| 1928 | 41.00 | 40.00 | b | 62.00 | 74.00 | b | 92.00 | a | 84.00 | c | 82.00 | q | 93.00 | a | 87.00 | c | 76.00 | b | 57.00 | c | 32.00 | 93.00 | ||||
| 1929 | 26.00 | 35.00 | a | 61.00 | c | 79.00 | c | 86.00 | d | 92.00 | d | 103.00 | e | 96.00 | b | 90.00 | a | 78.00 | f | 52.00 | e | 40.00 | a | 103.00 | ||
| 1930 | 33.00 | f | 52.00 | b | 56.00 | a | 79.00 | c | 90.00 | d | 86.00 | f | 94.00 | o | 98.00 | b | 85.00 | a | 83.00 | d | 61.00 | b | 42.00 | a | 98.00 | |
| 1931 | 43.00 | a | 48.00 | 48.00 | 80.00 | a | 90.00 | a | 98.00 | b | 99.00 | b | 93.00 | b | 98.00 | a | 83.00 | d | 72.00 | b | 42.00 | 99.00 | ||||
| 1932 | 36.00 | d | 51.00 | b | 35.00 | w | ----- | z | ----- | z | ----- | z | 97.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | -3.00 | z | 97.00 | |
| 1933 | ----- | z | ----- | z | ----- | z | ----- | z | 86.00 | x | ----- | z | 96.00 | z | 96.00 | z | 86.00 | q | ----- | z | 38.00 | y | 22.00 | z | 96.00 | |
| 1934 | -2.00 | z | 10.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 10.00 | |
| 1935 | 37.00 | o | 47.00 | f | 66.00 | h | 62.00 | z | 44.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.00 | |
| 1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 92.00 | u | 94.00 | b | 89.00 | 72.00 | 40.00 | 40.00 | 94.00 | |||||
| 1960 | 40.00 | 40.00 | 45.00 | 67.00 | 85.00 | 83.00 | 90.00 | 89.00 | 90.00 | 79.00 | 55.00 | 40.00 | 90.00 | |||||||||||||
| 1961 | 38.00 | ----- | z | 63.00 | 65.00 | 82.00 | 88.00 | i | 88.00 | q | 97.00 | i | 90.00 | b | 82.00 | 58.00 | 40.00 | 97.00 | ||||||||
| 1962 | 37.00 | b | 39.00 | a | 48.00 | b | 83.00 | 80.00 | 84.00 | 83.00 | 90.00 | 83.00 | 80.00 | 54.00 | 56.00 | 90.00 | ||||||||||
| 1963 | 38.00 | 45.00 | 79.00 | 75.00 | 85.00 | 90.00 | 92.00 | 91.00 | a | 85.00 | 89.00 | 60.00 | 41.00 | 92.00 | ||||||||||||
| 1964 | 39.00 | 39.00 | 51.00 | a | 72.00 | 93.00 | 90.00 | 91.00 | 90.00 | 88.00 | 77.00 | 63.00 | 34.00 | a | 93.00 | |||||||||||
| 1965 | 32.00 | d | 39.00 | 37.00 | 80.00 | 82.00 | 84.00 | 90.00 | 95.00 | 75.00 | 65.00 | b | 61.00 | 42.00 | 95.00 | |||||||||||
| 1966 | 24.00 | 38.00 | 55.00 | a | 64.00 | 85.00 | 94.00 | 90.00 | 88.00 | 84.00 | 80.00 | a | 45.00 | 36.00 | 94.00 | |||||||||||
| 1967 | 35.00 | 40.00 | 73.00 | 62.00 | 83.00 | 85.00 | 94.00 | 90.00 | 85.00 | 82.00 | 58.00 | 42.00 | 94.00 | |||||||||||||
| 1968 | 39.00 | 35.00 | 63.00 | 80.00 | 78.00 | 90.00 | 88.00 | 94.00 | 84.00 | 75.00 | 52.00 | 38.00 | 94.00 | |||||||||||||
| 1969 | 29.00 | 37.00 | 45.00 | 71.00 | 92.00 | 78.00 | 95.00 | 93.00 | 87.00 | 69.00 | 62.00 | 45.00 | 95.00 | |||||||||||||
| 1970 | 33.00 | 40.00 | 41.00 | 70.00 | 85.00 | 94.00 | 92.00 | 94.00 | 90.00 | 85.00 | 49.00 | 38.00 | 94.00 | |||||||||||||
| 1971 | 27.00 | 41.00 | 56.00 | 72.00 | 85.00 | 87.00 | 83.00 | 93.00 | 90.00 | 72.00 | 52.00 | 34.00 | 93.00 | |||||||||||||
| 1972 | 38.00 | 35.00 | 53.00 | 67.00 | 90.00 | 88.00 | 90.00 | 91.00 | 78.00 | 78.00 | 51.00 | 33.00 | 91.00 | |||||||||||||
| 1973 | 42.00 | 38.00 | 58.00 | 76.00 | 80.00 | 92.00 | 89.00 | 91.00 | 85.00 | 73.00 | 55.00 | 35.00 | 92.00 | |||||||||||||
| 1974 | 33.00 | 41.00 | 44.00 | 77.00 | 76.00 | 87.00 | 94.00 | 84.00 | 88.00 | 76.00 | 59.00 | 40.00 | 94.00 | |||||||||||||
| 1975 | 35.00 | 36.00 | 45.00 | 58.00 | 80.00 | 82.00 | 95.00 | 90.00 | 79.00 | 85.00 | 70.00 | 47.00 | 95.00 | |||||||||||||
| 1976 | 35.00 | 50.00 | 55.00 | 74.00 | 85.00 | 90.00 | 98.00 | 103.00 | 94.00 | 85.00 | 59.00 | 38.00 | 103.00 | |||||||||||||
| 1977 | 30.00 | a | 41.00 | 59.00 | 82.00 | 89.00 | 90.00 | 98.00 | 84.00 | 77.00 | 71.00 | 58.00 | 37.00 | 98.00 | ||||||||||||
| 1978 | 27.00 | 33.00 | 50.00 | 72.00 | 88.00 | 87.00 | 93.00 | 94.00 | 98.00 | 75.00 | 72.00 | 35.00 | 98.00 | |||||||||||||
| 1979 | 22.00 | 33.00 | 42.00 | 64.00 | 79.00 | 90.00 | 87.00 | 88.00 | 92.00 | 70.00 | 44.00 | 40.00 | 92.00 | |||||||||||||
| 1980 | 33.00 | 30.00 | 50.00 | 96.00 | 92.00 | 90.00 | 99.00 | 90.00 | 89.00 | 83.00 | 58.00 | 40.00 | 99.00 | |||||||||||||
| 1981 | 51.00 | 48.00 | 63.00 | 74.00 | 82.00 | 79.00 | 90.00 | 92.00 | 87.00 | 67.00 | 63.00 | 38.00 | 92.00 | |||||||||||||
| 1982 | 33.00 | 40.00 | 46.00 | 81.00 | 82.00 | 82.00 | 90.00 | 92.00 | 86.00 | 67.00 | 50.00 | 55.00 | 92.00 | |||||||||||||
| 1983 | 35.00 | 41.00 | 50.00 | 74.00 | 76.00 | 93.00 | 91.00 | 101.00 | 95.00 | 72.00 | 60.00 | 25.00 | 101.00 | |||||||||||||
| 1984 | 38.00 | 42.00 | 53.00 | 75.00 | 86.00 | 84.00 | 89.00 | 95.00 | 84.00 | 75.00 | 55.00 | 45.00 | 95.00 | |||||||||||||
| 1985 | 33.00 | 45.00 | 57.00 | 84.00 | 88.00 | 82.00 | 92.00 | 85.00 | 78.00 | 66.00 | 56.00 | 35.00 | 92.00 | |||||||||||||
| 1986 | 42.00 | 37.00 | 70.00 | 71.00 | 93.00 | 92.00 | 88.00 | 87.00 | 75.00 | 72.00 | 52.00 | 41.00 | 93.00 | |||||||||||||
| 1987 | 42.00 | 43.00 | 61.00 | 87.00 | 90.00 | 91.00 | 95.00 | 95.00 | 83.00 | 79.00 | 60.00 | 37.00 | 95.00 | |||||||||||||
| 1988 | 35.00 | 40.00 | 51.00 | 76.00 | 87.00 | 97.00 | 102.00 | 100.00 | 84.00 | 80.00 | 52.00 | 38.00 | 102.00 | |||||||||||||
| 1989 | 40.00 | 36.00 | 54.00 | 73.00 | 87.00 | 88.00 | 98.00 | 99.00 | 87.00 | 82.00 | 55.00 | 40.00 | 99.00 | |||||||||||||
| 1990 | 43.00 | 44.00 | 59.00 | 87.00 | 83.00 | 88.00 | 92.00 | 95.00 | 91.00 | 78.00 | 70.00 | 53.00 | 95.00 | |||||||||||||
| 1991 | 35.00 | 48.00 | 59.00 | 81.00 | 90.00 | 86.00 | 93.00 | 95.00 | 88.00 | 75.00 | 45.00 | 40.00 | 95.00 | |||||||||||||
| 1992 | 42.00 | 50.00 | 54.00 | 82.00 | 90.00 | 87.00 | 84.00 | 90.00 | 78.00 | 87.00 | 44.00 | 36.00 | 90.00 | |||||||||||||
| 1993 | 40.00 | 38.00 | 60.00 | 67.00 | 88.00 | 89.00 | 83.00 | 90.00 | 78.00 | 86.00 | 46.00 | 38.00 | 90.00 | |||||||||||||
| 1994 | 28.00 | 42.00 | 51.00 | 81.00 | 88.00 | 88.00 | 83.00 | 88.00 | 86.00 | 69.00 | 54.00 | 48.00 | 88.00 | |||||||||||||
| 1995 | 35.00 | 42.00 | 57.00 | 57.00 | 86.00 | 97.00 | 89.00 | 90.00 | 89.00 | 78.00 | 45.00 | 34.00 | 97.00 | |||||||||||||
| 1996 | 42.00 | 43.00 | 45.00 | 63.00 | a | 80.00 | 93.00 | 88.00 | 95.00 | 89.00 | 79.00 | 56.00 | 32.00 | 95.00 | ||||||||||||
| 1997 | 40.00 | 40.00 | 49.00 | 68.00 | 83.00 | 88.00 | 91.00 | 92.00 | 85.00 | 85.00 | 45.00 | 38.00 | 92.00 | |||||||||||||
| 1998 | 37.00 | 49.00 | 57.00 | 80.00 | 81.00 | 86.00 | 90.00 | 92.00 | 91.00 | 58.00 | 40.00 | 44.00 | 92.00 | |||||||||||||
| 1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.00 | a | ----- | z | ----- | z | 61.00 | |
| 2010 | 36.00 | 35.00 | 70.00 | 74.00 | 90.00 | 82.00 | 90.00 | 91.00 | 76.00 | 84.00 | 67.00 | ----- | z | 91.00 | ||||||||||||
| 2011 | 32.00 | 50.00 | 50.00 | 70.00 | 77.00 | 94.00 | 91.00 | 87.00 | 87.00 | 87.00 | 61.00 | 47.00 | 94.00 | |||||||||||||
| 2012 | 48.00 | 43.00 | 75.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.00 | f | ----- | z | ----- | z | ----- | z | 75.00 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 35.89 | 41.13 | 55.00 | 74.31 | 85.31 | 88.26 | 91.48 | 92.04 | 86.06 | 76.64 | 55.50 | 39.96 | 94.21 | |||||||||||||
| S.D. | 6.03 | 5.27 | 9.12 | 8.01 | 4.73 | 4.73 | 4.88 | 4.18 | 5.56 | 7.26 | 8.02 | 5.98 | 3.43 | |||||||||||||
| SKEW | -0.09 | 0.31 | 0.55 | 0.05 | -0.22 | -0.03 | 0.30 | 0.39 | -0.19 | -0.45 | 0.08 | 0.61 | 0.79 | |||||||||||||
| MAX | 51.00 | 52.00 | 79.00 | 96.00 | 93.00 | 98.00 | 103.00 | 103.00 | 98.00 | 89.00 | 72.00 | 56.00 | 103.00 | |||||||||||||
| MIN | 22.00 | 30.00 | 37.00 | 57.00 | 76.00 | 78.00 | 83.00 | 84.00 | 75.00 | 58.00 | 40.00 | 25.00 | 88.00 | |||||||||||||
| NO YRS | 47 | 46 | 46 | 45 | 45 | 43 | 42 | 46 | 47 | 47 | 46 | 46 | 38 | |||||||||||||