| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.00 | 73.00 | 72.00 | 55.00 | 88.00 | |||||
| 1950 | 49.00 | 60.00 | 66.00 | 78.00 | 84.00 | a | 92.00 | 93.00 | 96.00 | 98.00 | 84.00 | 67.00 | 62.00 | 98.00 | ||||||||||||
| 1951 | 53.00 | 63.00 | 66.00 | 79.00 | 83.00 | 89.00 | 95.00 | 93.00 | 91.00 | 79.00 | 68.00 | 42.00 | a | 95.00 | ||||||||||||
| 1952 | 47.00 | a | 54.00 | 66.00 | 74.00 | 86.00 | 86.00 | 94.00 | 89.00 | 90.00 | 86.00 | 64.00 | 45.00 | 94.00 | ||||||||||||
| 1953 | 57.00 | 65.00 | 68.00 | 75.00 | 75.00 | 79.00 | 92.00 | 91.00 | 91.00 | 81.00 | 62.00 | 52.00 | 92.00 | |||||||||||||
| 1954 | 48.00 | 62.00 | 61.00 | 75.00 | 89.00 | 90.00 | 92.00 | 94.00 | 85.00 | 74.00 | 65.00 | 52.00 | 94.00 | |||||||||||||
| 1955 | 52.00 | 53.00 | 67.00 | 67.00 | 79.00 | 97.00 | 93.00 | 93.00 | 97.00 | 77.00 | 66.00 | 53.00 | 97.00 | |||||||||||||
| 1956 | 48.00 | 44.00 | 65.00 | 76.00 | 86.00 | 91.00 | 95.00 | 87.00 | 87.00 | 76.00 | 62.00 | 52.00 | 95.00 | |||||||||||||
| 1957 | 45.00 | a | 59.00 | 62.00 | 78.00 | 84.00 | 87.00 | 90.00 | 86.00 | 90.00 | 63.00 | 54.00 | 53.00 | 90.00 | ||||||||||||
| 1958 | 45.00 | 59.00 | 57.00 | 71.00 | 85.00 | 90.00 | 95.00 | 92.00 | 88.00 | 85.00 | 62.00 | 62.00 | 95.00 | |||||||||||||
| 1959 | 54.00 | 62.00 | 69.00 | 71.00 | 86.00 | 91.00 | 95.00 | 92.00 | ----- | z | ----- | z | ----- | z | ----- | z | 95.00 | |||||||||
| 1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1978 | ----- | z | ----- | z | 70.00 | 73.00 | 76.00 | 87.00 | 97.00 | 97.00 | 85.00 | 80.00 | 68.00 | 51.00 | 97.00 | |||||||||||
| 1979 | 54.00 | 52.00 | 67.00 | 67.00 | 86.00 | 88.00 | 98.00 | 94.00 | 90.00 | 85.00 | 56.00 | 57.00 | 98.00 | |||||||||||||
| 1980 | 52.00 | 55.00 | 59.00 | 79.00 | 83.00 | 84.00 | 96.00 | 90.00 | 86.00 | 88.00 | 70.00 | 59.00 | 96.00 | |||||||||||||
| 1981 | 56.00 | 57.00 | 62.00 | 81.00 | 83.00 | 90.00 | 95.00 | 102.00 | 93.00 | 75.00 | 65.00 | 58.00 | 102.00 | |||||||||||||
| 1982 | 48.00 | 64.00 | 61.00 | 71.00 | 87.00 | 89.00 | 92.00 | 92.00 | 87.00 | 74.00 | 61.00 | 52.00 | 92.00 | |||||||||||||
| 1983 | 49.00 | 56.00 | 57.00 | 66.00 | 91.00 | 82.00 | 94.00 | 93.00 | 86.00 | 75.00 | 62.00 | 47.00 | 94.00 | |||||||||||||
| 1984 | 49.00 | 57.00 | 61.00 | 75.00 | 91.00 | 87.00 | 95.00 | 94.00 | 86.00 | ----- | z | 53.00 | 40.00 | 95.00 | ||||||||||||
| 1985 | 46.00 | 55.00 | 60.00 | 79.00 | 80.00 | 95.00 | 94.00 | 91.00 | 79.00 | 79.00 | 65.00 | 46.00 | 95.00 | |||||||||||||
| 1986 | 57.00 | 67.00 | 72.00 | 80.00 | 94.00 | 93.00 | 90.00 | 93.00 | 92.00 | 77.00 | 64.00 | 47.00 | 94.00 | |||||||||||||
| 1987 | 55.00 | 56.00 | 66.00 | 85.00 | 87.00 | 94.00 | 97.00 | 93.00 | 92.00 | 86.00 | 66.00 | 53.00 | 97.00 | |||||||||||||
| 1988 | 45.00 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.00 | |
| 1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | 73.00 | 53.00 | 89.00 | ||||
| 1997 | 57.00 | 61.00 | 73.00 | 75.00 | 88.00 | 86.00 | 92.00 | 96.00 | 85.00 | 77.00 | 70.00 | 54.00 | 96.00 | |||||||||||||
| 1998 | 57.00 | 50.00 | 67.00 | 79.00 | 76.00 | 85.00 | 97.00 | 98.00 | 100.00 | 81.00 | 57.00 | 53.00 | 100.00 | |||||||||||||
| 1999 | 53.00 | 48.00 | 65.00 | 74.00 | 85.00 | 85.00 | 97.00 | 92.00 | 86.00 | 83.00 | 68.00 | 52.00 | 97.00 | |||||||||||||
| 2000 | 50.00 | 55.00 | 67.00 | 79.00 | 86.00 | 89.00 | 93.00 | 93.00 | 87.00 | 80.00 | 60.00 | 54.00 | 93.00 | |||||||||||||
| 2001 | 55.00 | 52.00 | 70.00 | 78.00 | 90.00 | 91.00 | 97.00 | 97.00 | 88.00 | 88.00 | 69.00 | 44.00 | 97.00 | |||||||||||||
| 2002 | 55.00 | 61.00 | 72.00 | 76.00 | 80.00 | 92.00 | 101.00 | 95.00 | 90.00 | 78.00 | 65.00 | 55.00 | 101.00 | |||||||||||||
| 2003 | 57.00 | 57.00 | 74.00 | 65.00 | 87.00 | 93.00 | 100.00 | 97.00 | 94.00 | 81.00 | 59.00 | 53.00 | 100.00 | |||||||||||||
| 2004 | 50.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.00 | ||
| 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 | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.00 | d | 68.00 | 51.00 | 82.00 | |||
| 2013 | 46.00 | a | 56.00 | 73.00 | 53.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.00 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 51.34 | 57.04 | 65.82 | 75.04 | 84.70 | 88.96 | 94.78 | 93.33 | 89.30 | 79.86 | 64.17 | 51.97 | 95.92 | |||||||||||||
| S.D. | 4.19 | 5.32 | 4.86 | 4.93 | 4.72 | 4.05 | 2.71 | 3.39 | 4.53 | 5.68 | 5.09 | 5.30 | 2.96 | |||||||||||||
| SKEW | -0.05 | -0.32 | -0.13 | -0.42 | -0.38 | -0.34 | 0.29 | 0.14 | 0.43 | -0.65 | -0.47 | -0.30 | 0.21 | |||||||||||||
| MAX | 57.00 | 67.00 | 74.00 | 85.00 | 94.00 | 97.00 | 101.00 | 102.00 | 100.00 | 89.00 | 73.00 | 62.00 | 102.00 | |||||||||||||
| MIN | 45.00 | 44.00 | 57.00 | 65.00 | 75.00 | 79.00 | 90.00 | 86.00 | 79.00 | 63.00 | 53.00 | 40.00 | 90.00 | |||||||||||||
| NO YRS | 29 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 24 | |||||||||||||