YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | 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 | 73.68 | k | 80.93 | a | 91.21 | a | 93.27 | a | 91.80 | a | 81.47 | 66.29 | 63.17 | 57.61 | 78.22 | d | ||||
1959 | 57.58 | 51.93 | m | 66.16 | 71.93 | 80.41 | b | 87.38 | a | 87.03 | a | 89.87 | 87.53 | 73.16 | 61.37 | 55.66 | b | 74.37 | a | |||||||
1960 | 50.87 | 52.43 | a | 64.33 | a | 77.45 | a | 84.03 | b | 91.72 | a | 86.17 | a | 88.24 | b | 85.13 | 75.26 | 64.93 | a | 45.31 | b | 72.16 | ||||
1961 | 51.73 | a | 60.00 | 64.80 | a | 76.10 | 84.13 | a | 88.63 | 87.00 | a | 87.71 | 83.23 | 76.52 | 56.31 | a | 54.97 | 72.59 | ||||||||
1962 | 51.58 | 65.15 | b | 62.67 | a | 76.47 | 88.53 | a | 88.07 | 87.59 | i | 93.00 | a | 81.37 | 74.00 | 63.30 | 55.61 | 72.70 | a | |||||||
1963 | 52.03 | 60.82 | 68.65 | 78.10 | 84.16 | 87.83 | 92.35 | 90.29 | 84.40 | 80.03 | 64.15 | c | 51.55 | 74.53 | ||||||||||||
1964 | 53.97 | 50.86 | 65.73 | a | 75.86 | a | 84.42 | 90.00 | 94.29 | 91.89 | d | 81.73 | 77.16 | f | 62.38 | a | 55.52 | 73.33 | a | |||||||
1965 | 59.48 | 57.61 | 59.48 | 76.69 | d | 80.60 | f | 87.50 | 91.71 | 87.90 | 83.48 | c | 76.27 | a | 67.68 | b | 57.55 | b | 73.21 | a | ||||||
1966 | 48.81 | 54.29 | 68.83 | b | 73.47 | 82.55 | b | 87.57 | 94.55 | 85.26 | 80.79 | b | 73.13 | 68.33 | 55.00 | a | 72.71 | |||||||||
1967 | 59.13 | 59.89 | 73.23 | 78.80 | 83.35 | 86.13 | 88.32 | 86.06 | 80.37 | 78.19 | 64.04 | b | 50.39 | 73.99 | ||||||||||||
1968 | 53.94 | 56.10 | 62.00 | a | 70.70 | 81.13 | 90.57 | 85.20 | a | 86.26 | 81.12 | d | 77.74 | 59.72 | a | 58.39 | 71.91 | |||||||||
1969 | 64.26 | 58.04 | 56.16 | 75.77 | 81.29 | 87.03 | 93.74 | 91.17 | a | 80.77 | 69.00 | 62.50 | 58.13 | a | 73.15 | |||||||||||
1970 | 52.65 | 60.43 | 61.35 | 73.33 | 82.48 | 89.08 | e | 90.16 | 90.00 | 83.04 | b | 68.87 | 64.87 | 62.13 | 73.20 | |||||||||||
1971 | 58.42 | 59.50 | 70.19 | 74.43 | 82.87 | 91.07 | 90.84 | 80.86 | b | 79.14 | b | 71.65 | 64.13 | 56.45 | 73.30 | |||||||||||
1972 | 58.84 | 64.90 | 73.06 | 79.90 | 79.55 | 88.60 | 86.74 | 84.77 | 79.63 | 71.14 | c | 55.37 | 54.48 | 73.08 | ||||||||||||
1973 | 47.10 | 52.61 | 62.32 | 68.30 | 80.24 | b | 88.45 | a | 87.68 | 89.16 | 82.87 | 78.93 | b | 70.20 | 61.29 | 72.43 | ||||||||||
1974 | 58.00 | 62.30 | a | 75.74 | 76.83 | 88.68 | 92.83 | 92.32 | 84.19 | 73.70 | 69.35 | 60.63 | 52.55 | 73.93 | ||||||||||||
1975 | 56.35 | 57.29 | 67.19 | 73.47 | 80.77 | a | 91.59 | a | 84.81 | 90.26 | 79.90 | 78.13 | 66.83 | 60.71 | 73.94 | |||||||||||
1976 | 59.19 | 69.28 | 69.16 | 75.87 | 81.37 | a | 91.80 | 83.52 | 89.26 | 82.52 | a | 69.97 | 59.93 | 57.71 | 74.13 | |||||||||||
1977 | 52.94 | 62.57 | 66.58 | 74.03 | 83.74 | 93.30 | 94.16 | 93.48 | 92.23 | 77.19 | 69.86 | a | 63.65 | 76.98 | ||||||||||||
1978 | 52.26 | 52.89 | 70.58 | 81.00 | 84.87 | 89.70 | 95.26 | 91.64 | c | 81.37 | 77.13 | 61.50 | 54.81 | 74.42 | ||||||||||||
1979 | 49.13 | 59.46 | 66.55 | 75.87 | 81.84 | 88.03 | 92.26 | 86.06 | 86.04 | c | 82.29 | 61.23 | 58.10 | 73.91 | ||||||||||||
1980 | 55.81 | 62.10 | 68.74 | 75.57 | 82.71 | 99.40 | 99.10 | 91.97 | 85.50 | b | 73.97 | 60.03 | 63.65 | 76.54 | ||||||||||||
1981 | 57.06 | 65.32 | 65.81 | 78.63 | 81.28 | f | 95.57 | 93.39 | 85.52 | 82.34 | a | 72.58 | 69.93 | 62.42 | 75.32 | a | ||||||||||
1982 | 58.00 | b | 58.18 | 70.35 | 73.74 | c | 81.94 | 89.62 | f | 91.10 | a | 92.03 | 86.77 | 75.48 | 61.07 | a | 49.58 | 72.57 | a | |||||||
1983 | 54.03 | 59.25 | 67.58 | 73.04 | b | 83.20 | a | 90.83 | 93.68 | c | 94.97 | 89.83 | 75.45 | 66.33 | 50.52 | 74.89 | ||||||||||
1984 | 53.97 | 64.83 | 68.97 | 76.63 | k | 84.74 | h | 85.04 | b | 91.00 | 86.75 | g | 83.89 | b | 68.61 | c | 61.48 | a | 54.73 | a | 70.28 | c | ||||
1985 | 49.24 | b | 52.68 | i | 65.90 | b | 75.85 | d | 82.87 | 88.04 | f | 92.53 | a | 92.74 | 80.53 | 72.16 | 63.83 | 54.26 | 72.99 | b | ||||||
1986 | 60.48 | 60.42 | d | 69.58 | 77.60 | 82.03 | a | 83.85 | j | 89.73 | e | 88.07 | a | 83.30 | 71.30 | a | 57.73 | 48.52 | 71.71 | a | ||||||
1987 | 50.65 | 55.64 | 61.14 | b | 71.80 | 79.68 | 86.10 | 92.06 | 89.72 | b | 80.27 | 75.58 | 62.23 | 51.39 | 71.35 | |||||||||||
1988 | 49.61 | 58.55 | 64.58 | g | 72.00 | g | 81.65 | k | 89.73 | o | 86.25 | c | 88.83 | a | 83.17 | a | 77.83 | a | 65.93 | b | 53.48 | 70.46 | d | |||
1989 | 57.25 | c | 55.07 | a | 73.50 | a | 78.30 | 88.48 | 89.19 | d | 93.64 | f | 88.12 | g | 78.33 | r | 78.13 | 66.14 | a | 45.58 | g | 73.26 | d | |||
1990 | 56.60 | a | 59.18 | 62.13 | a | 72.11 | b | 81.71 | 98.56 | e | 87.55 | 88.80 | a | 82.60 | 76.10 | 64.20 | 52.94 | 73.54 | ||||||||
1991 | 47.45 | 61.71 | 68.00 | b | 75.73 | 87.23 | e | 91.40 | 88.00 | l | 86.24 | b | 75.45 | a | 74.61 | 55.21 | a | 51.13 | 70.38 | a | ||||||
1992 | 47.90 | 60.04 | a | 67.84 | 75.37 | 75.97 | 86.50 | 91.92 | f | 87.65 | 84.79 | a | 78.00 | 56.40 | 53.26 | 70.34 | a | |||||||||
1993 | 52.32 | 54.54 | 66.19 | 76.64 | b | 83.43 | a | 91.77 | 92.32 | 87.50 | g | 84.81 | d | 71.61 | 59.55 | a | 58.06 | 71.93 | a | |||||||
1994 | 54.13 | a | 59.50 | 65.50 | a | 74.86 | a | 80.79 | g | ----- | z | 98.95 | i | 92.03 | a | 86.73 | ----- | z | 64.46 | b | 58.29 | 69.44 | d | |||
1995 | 54.55 | 64.22 | a | 66.66 | b | 75.33 | 81.66 | b | 89.21 | b | 93.58 | 91.26 | 80.82 | b | 77.32 | 66.47 | 55.55 | 74.72 | ||||||||
1996 | 57.47 | a | 63.00 | 64.47 | a | 77.21 | a | 92.00 | a | 90.69 | a | 90.00 | 87.17 | a | 78.58 | d | 74.29 | 63.18 | b | 59.42 | 74.79 | |||||
1997 | 49.07 | b | 51.64 | 70.20 | a | 66.24 | a | 78.00 | y | 89.30 | 92.97 | a | 91.06 | 88.27 | 72.29 | 60.53 | 47.93 | c | 70.86 | a | ||||||
1998 | 58.19 | 56.29 | 62.00 | a | 71.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.93 | h | |||
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | 81.65 | j | 91.95 | j | 89.20 | t | 92.82 | n | 92.00 | q | 86.10 | t | 71.21 | l | 61.00 | s | 52.00 | u | ----- | z |
2001 | 51.60 | p | 59.89 | s | 56.92 | s | 81.43 | w | 85.88 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.30 | 59.10 | 66.65 | 75.10 | 83.07 | 90.05 | 90.76 | 89.11 | 82.81 | 74.46 | 62.93 | 55.45 | 73.75 | |||||||||||||
S.D. | 4.14 | 4.29 | 4.11 | 3.03 | 3.09 | 3.19 | 3.51 | 3.03 | 3.57 | 3.63 | 3.83 | 4.38 | 1.35 | |||||||||||||
SKEW | 0.09 | 0.02 | -0.15 | -0.73 | 0.80 | 1.17 | -0.17 | -0.44 | 0.14 | -0.21 | -0.10 | -0.08 | 0.57 | |||||||||||||
MAX | 64.26 | 69.28 | 75.74 | 81.00 | 92.00 | 99.40 | 99.10 | 94.97 | 92.23 | 82.29 | 70.20 | 63.65 | 76.98 | |||||||||||||
MIN | 47.10 | 50.86 | 56.16 | 66.24 | 75.97 | 85.04 | 83.52 | 80.86 | 73.70 | 66.29 | 55.21 | 45.31 | 71.35 | |||||||||||||
YRS | 40 | 38 | 39 | 38 | 34 | 35 | 35 | 37 | 39 | 38 | 40 | 39 | 23 |