YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
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 | 70.00 | 76.00 | 79.00 | 89.00 | 102.00 | 110.00 | ----- | z | 116.00 | 112.00 | 103.00 | 88.00 | 79.00 | 116.00 | ||||||||||||
1953 | 83.00 | 80.00 | 89.00 | 95.00 | 94.00 | 110.00 | 115.00 | a | 110.00 | c | 108.00 | f | 102.00 | 89.00 | 80.00 | 115.00 | ||||||||||
1954 | 77.00 | 85.00 | 85.00 | 97.00 | 100.00 | 112.00 | 113.00 | 111.00 | 108.00 | 99.00 | 85.00 | 74.00 | 113.00 | |||||||||||||
1955 | 72.00 | 80.00 | 82.00 | 86.00 | 98.00 | 114.00 | 108.00 | 107.00 | 109.00 | 99.00 | 86.00 | 75.00 | 114.00 | |||||||||||||
1956 | 79.00 | 75.00 | 91.00 | 92.00 | 102.00 | 110.00 | 114.00 | 108.00 | 107.00 | 97.00 | 88.00 | 78.00 | 114.00 | |||||||||||||
1957 | 67.00 | 87.00 | 84.00 | 87.00 | 97.00 | 112.00 | 114.00 | 112.00 | 107.00 | 100.00 | 79.00 | a | 79.00 | 114.00 | ||||||||||||
1958 | 75.00 | 79.00 | 77.00 | 96.00 | 107.00 | 109.00 | 115.00 | 110.00 | 107.00 | 99.00 | 85.00 | 84.00 | 115.00 | |||||||||||||
1959 | 81.00 | 73.00 | 82.00 | 98.00 | 99.00 | 111.00 | 113.00 | 107.00 | 105.00 | 99.00 | 82.00 | 82.00 | 113.00 | |||||||||||||
1960 | 72.00 | 72.00 | 88.00 | 93.00 | 106.00 | 110.00 | 115.00 | 114.00 | 105.00 | 97.00 | 87.00 | 76.00 | a | 115.00 | ||||||||||||
1961 | 78.00 | 77.00 | 85.00 | 98.00 | 97.00 | 115.00 | 114.00 | 111.00 | 100.00 | a | 98.00 | 78.00 | 71.00 | 115.00 | ||||||||||||
1962 | 77.00 | 78.00 | 87.00 | 98.00 | 98.00 | 110.00 | 110.00 | 113.00 | 108.00 | 96.00 | 88.00 | 80.00 | 113.00 | |||||||||||||
1963 | 72.00 | 88.00 | 82.00 | 94.00 | 101.00 | 107.00 | 111.00 | 109.00 | 105.00 | 100.00 | 84.00 | 75.00 | 111.00 | |||||||||||||
1964 | 78.00 | 76.00 | 89.00 | 95.00 | 100.00 | 110.00 | 110.00 | 108.00 | 103.00 | 105.00 | 82.00 | 70.00 | 110.00 | |||||||||||||
1965 | 80.00 | 81.00 | 83.00 | 96.00 | 99.00 | 104.00 | 111.00 | 109.00 | 103.00 | 103.00 | 88.00 | 82.00 | 111.00 | |||||||||||||
1966 | 76.00 | 73.00 | 94.00 | 95.00 | 102.00 | 110.00 | 110.00 | 111.00 | 104.00 | 93.00 | 89.00 | 76.00 | 111.00 | |||||||||||||
1967 | 75.00 | 82.00 | 88.00 | 82.00 | 106.00 | 108.00 | 115.00 | 108.00 | 99.00 | 97.00 | 89.00 | 69.00 | 115.00 | |||||||||||||
1968 | 76.00 | 86.00 | 89.00 | 91.00 | 105.00 | 112.00 | 109.00 | 106.00 | 108.00 | 95.00 | 81.00 | 78.00 | 112.00 | |||||||||||||
1969 | 77.00 | 73.00 | 87.00 | 95.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 95.00 | |||||
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 | 105.00 | 109.00 | 112.00 | g | 113.00 | f | 106.00 | 100.00 | 91.00 | 82.00 | 113.00 | |||||||
1976 | 80.00 | 80.00 | 83.00 | 90.00 | 102.00 | 113.00 | 114.00 | 107.00 | 109.00 | 97.00 | 90.00 | 75.00 | 114.00 | |||||||||||||
1977 | 76.00 | 87.00 | 85.00 | 95.00 | 100.00 | 113.00 | 111.00 | 115.00 | 110.00 | 98.00 | 87.00 | 79.00 | 115.00 | |||||||||||||
1978 | 73.00 | 79.00 | 87.00 | 88.00 | 103.00 | 111.00 | 114.00 | 110.00 | 106.00 | 105.00 | 86.00 | 72.00 | 114.00 | |||||||||||||
1979 | 65.00 | b | 78.00 | 83.00 | 93.00 | 101.00 | 115.00 | 113.00 | 111.00 | 111.00 | 101.00 | 80.00 | 80.00 | 115.00 | ||||||||||||
1980 | 72.00 | 83.00 | 76.00 | 97.00 | 101.00 | 114.00 | 117.00 | 114.00 | 108.00 | 109.00 | 94.00 | 84.00 | 117.00 | |||||||||||||
1981 | 79.00 | 88.00 | 85.00 | 103.00 | 100.00 | 114.00 | k | 116.00 | 112.00 | 106.00 | 92.00 | 85.00 | 80.00 | 116.00 | ||||||||||||
1982 | 77.00 | 83.00 | 82.00 | 95.00 | 99.00 | 107.00 | 110.00 | 110.00 | 111.00 | 91.00 | 81.00 | 72.00 | 111.00 | |||||||||||||
1983 | 78.00 | 79.00 | 83.00 | 87.00 | 110.00 | 105.00 | 112.00 | 109.00 | 108.00 | 90.00 | 87.00 | 71.00 | 112.00 | |||||||||||||
1984 | 79.00 | 82.00 | 86.00 | 99.00 | 109.00 | 111.00 | 114.00 | 111.00 | 106.00 | 95.00 | 85.00 | 72.00 | 114.00 | |||||||||||||
1985 | 70.00 | 80.00 | 82.00 | 98.00 | 101.00 | 117.00 | 116.00 | 114.00 | 105.00 | 98.00 | 86.00 | 80.00 | 117.00 | |||||||||||||
1986 | 81.00 | 93.00 | 93.00 | 97.00 | 106.00 | 115.00 | 110.00 | 113.00 | 108.00 | 92.00 | 85.00 | 72.00 | 115.00 | |||||||||||||
1987 | 79.00 | 79.00 | 83.00 | 100.00 | 100.00 | 110.00 | 112.00 | 108.00 | 109.00 | 105.00 | 81.00 | 74.00 | 112.00 | |||||||||||||
1988 | 78.00 | 79.00 | 94.00 | 95.00 | 103.00 | 113.00 | 113.00 | 109.00 | 105.00 | 101.00 | 93.00 | 77.00 | 113.00 | |||||||||||||
1989 | 80.00 | 86.00 | 91.00 | 103.00 | 106.00 | 112.00 | 116.00 | 110.00 | 108.00 | 98.00 | 89.00 | 78.00 | 116.00 | |||||||||||||
1990 | 80.00 | 82.00 | 91.00 | 97.00 | 98.00 | 117.00 | 113.00 | 109.00 | 111.00 | 97.00 | 88.00 | 76.00 | 117.00 | |||||||||||||
1991 | 71.00 | 83.00 | 77.00 | 92.00 | 98.00 | 104.00 | 113.00 | 109.00 | 106.00 | 102.00 | 91.00 | 76.00 | 113.00 | |||||||||||||
1992 | 79.00 | 78.00 | 80.00 | 99.00 | 99.00 | 105.00 | 111.00 | 112.00 | 103.00 | 100.00 | 82.00 | 68.00 | 112.00 | |||||||||||||
1993 | 76.00 | 73.00 | 86.00 | 96.00 | 100.00 | 113.00 | 109.00 | 116.00 | 106.00 | 101.00 | 80.00 | 76.00 | 116.00 | |||||||||||||
1994 | 79.00 | 75.00 | ----- | z | 99.00 | 102.00 | 116.00 | 117.00 | 112.00 | 106.00 | 100.00 | 85.00 | 78.00 | 117.00 | ||||||||||||
1995 | 71.00 | 85.00 | 86.00 | 89.00 | 95.00 | 108.00 | 119.00 | 112.00 | 109.00 | 98.00 | 89.00 | 82.00 | 119.00 | |||||||||||||
1996 | 82.00 | 88.00 | 87.00 | 100.00 | 106.00 | 109.00 | 115.00 | 112.00 | 105.00 | 104.00 | 88.00 | 80.00 | 115.00 | |||||||||||||
1997 | 75.00 | 80.00 | 93.00 | 97.00 | 106.00 | 106.00 | 112.00 | 108.00 | 103.00 | 99.00 | 89.00 | 77.00 | 112.00 | |||||||||||||
1998 | 77.00 | ----- | z | ----- | z | 93.00 | ----- | z | ----- | z | ----- | z | 114.00 | 103.00 | 95.00 | 84.00 | 80.00 | 114.00 | ||||||||
1999 | 78.00 | 80.00 | 86.00 | 95.00 | 102.00 | 109.00 | 111.00 | 109.00 | i | 107.00 | j | 100.00 | l | 92.00 | j | 83.00 | k | 111.00 | ||||||||
2000 | 81.00 | m | 81.00 | i | 86.00 | a | 102.00 | k | 108.00 | o | 111.00 | l | 112.00 | l | 111.00 | a | 108.00 | k | 101.00 | m | 77.00 | k | 77.00 | l | 112.00 | |
2001 | 76.00 | i | 78.00 | m | 85.00 | k | 98.00 | k | 107.00 | k | 107.00 | l | 114.00 | m | 112.00 | j | 105.00 | m | 104.00 | k | 92.00 | k | 74.00 | k | 114.00 | |
2002 | 79.00 | l | 84.00 | k | 89.00 | p | 98.00 | k | 108.00 | o | 109.00 | j | 111.00 | m | 111.00 | p | 107.00 | n | 95.00 | q | 86.00 | o | 71.00 | n | 111.00 | |
2003 | 81.00 | m | 84.00 | i | 84.00 | m | 88.00 | h | 109.00 | q | 110.00 | m | 116.00 | e | 112.00 | h | 107.00 | i | 104.00 | k | 81.00 | u | 79.00 | j | 116.00 | |
2004 | 77.00 | k | 78.00 | k | 96.00 | l | ----- | z | 99.00 | n | 107.00 | h | ----- | z | 111.00 | k | 107.00 | n | 96.00 | o | 85.00 | m | 74.00 | t | 111.00 | |
2005 | 80.00 | q | 70.00 | k | 87.00 | q | 90.00 | r | 96.00 | q | 112.00 | i | 119.00 | p | 108.00 | n | 105.00 | k | 98.00 | r | 86.00 | z | 81.00 | n | 119.00 | |
2006 | 74.00 | r | 85.00 | l | 81.00 | o | 92.00 | p | 103.00 | r | 111.00 | p | 114.00 | p | 108.00 | m | 103.00 | q | 100.00 | l | 92.00 | u | 80.00 | v | 114.00 | |
2007 | 78.00 | q | ----- | z | 97.00 | l | 101.00 | n | 102.00 | g | 108.00 | n | 117.00 | f | 111.00 | f | 109.00 | g | 94.00 | l | 91.00 | 71.00 | j | 117.00 | ||
2008 | 68.00 | l | 78.00 | g | 85.00 | 94.00 | h | 109.00 | 112.00 | 112.00 | 108.00 | 107.00 | j | ----- | z | ----- | z | 74.00 | 112.00 | |||||||
2009 | 78.00 | 80.00 | 87.00 | 99.00 | 105.00 | 110.00 | 113.00 | 113.00 | 106.00 | 100.00 | 94.00 | 73.00 | 113.00 | |||||||||||||
2010 | 72.00 | 75.00 | 84.00 | 92.00 | 97.00 | 109.00 | 114.00 | 111.00 | 109.00 | 107.00 | 92.00 | 80.00 | 114.00 | |||||||||||||
2011 | 82.00 | 77.00 | 85.00 | 97.00 | 97.00 | 111.00 | 115.00 | 114.00 | 110.00 | 101.00 | a | 88.00 | 75.00 | 115.00 | ||||||||||||
2012 | 79.00 | 78.00 | 88.00 | 102.00 | 106.00 | 109.00 | 116.00 | 113.00 | 104.00 | 102.00 | 92.00 | 80.00 | 116.00 | |||||||||||||
2013 | 78.00 | 78.00 | 91.00 | 85.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.00 | z | 91.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 76.36 | 80.20 | 85.66 | 94.87 | 101.72 | 110.60 | 113.13 | 110.80 | 106.52 | 99.11 | 86.54 | 76.76 | 113.92 | |||||||||||||
S.D. | 4.01 | 4.78 | 4.30 | 4.55 | 3.85 | 3.22 | 2.47 | 2.53 | 2.86 | 4.10 | 4.04 | 4.01 | 1.99 | |||||||||||||
SKEW | -0.81 | 0.43 | -0.08 | -0.62 | 0.25 | -0.07 | -0.05 | 0.18 | -0.37 | -0.04 | -0.21 | -0.25 | 0.20 | |||||||||||||
MAX | 83.00 | 93.00 | 94.00 | 103.00 | 110.00 | 117.00 | 119.00 | 116.00 | 112.00 | 109.00 | 94.00 | 84.00 | 119.00 | |||||||||||||
MIN | 65.00 | 72.00 | 76.00 | 82.00 | 94.00 | 104.00 | 108.00 | 106.00 | 99.00 | 90.00 | 78.00 | 68.00 | 110.00 | |||||||||||||
NO YRS | 47 | 46 | 47 | 46 | 46 | 45 | 45 | 46 | 44 | 45 | 46 | 46 | 39 |