YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | 53.86 | b | 58.19 | a | 58.95 | a | 61.68 | 75.07 | a | 82.03 | 88.82 | 86.26 | 79.47 | 66.16 | 59.72 | 51.65 | 68.49 | |||||||||
1942 | 50.45 | 49.68 | 56.10 | 66.10 | 75.15 | 84.53 | 91.65 | 86.45 | 82.75 | 70.76 | 61.32 | 53.05 | 69.00 | |||||||||||||
1943 | 52.11 | 59.68 | 63.40 | 71.37 | 78.52 | 84.57 | 91.42 | 87.24 | 83.70 | 71.77 | a | 59.65 | 51.40 | 71.24 | ||||||||||||
1944 | 48.71 | 50.28 | 54.97 | 63.35 | d | 72.89 | 81.02 | b | 90.16 | 90.37 | 82.50 | 74.29 | 56.35 | 51.95 | 68.07 | |||||||||||
1945 | 52.45 | k | 55.55 | 56.76 | 66.23 | 76.15 | 81.63 | 90.08 | 88.66 | 84.03 | 73.45 | 59.02 | a | 50.44 | 71.09 | a | ||||||||||
1946 | 50.00 | 53.75 | 62.34 | 73.36 | a | 76.16 | 86.64 | b | 89.73 | 89.37 | 85.05 | 64.00 | w | ----- | z | ----- | z | 74.04 | c | |||||||
1947 | 45.86 | x | ----- | z | 61.13 | a | 67.46 | b | 79.15 | a | 85.50 | k | 92.68 | 87.98 | f | ----- | z | ----- | z | ----- | z | 50.25 | i | 75.11 | h | |
1948 | 52.33 | g | 56.67 | n | 56.43 | d | 69.71 | f | 76.80 | d | 84.95 | a | 90.39 | 90.62 | e | 85.92 | 74.55 | a | 55.54 | e | 51.81 | 74.11 | c | |||
1949 | 44.79 | 52.59 | 58.92 | a | 69.04 | b | 75.67 | b | 84.89 | c | 88.48 | 87.35 | 85.61 | b | 69.69 | 65.32 | 53.05 | c | 69.62 | |||||||
1950 | 50.39 | 57.89 | 61.76 | 73.26 | e | 75.16 | b | 81.38 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.69 | g | |||
1951 | 52.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.37 | p | ----- | z |
1952 | 51.13 | a | 52.10 | 53.71 | ----- | z | 77.45 | 83.00 | 86.95 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.39 | f | |||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.45 | 61.05 | b | 49.25 | c | 61.59 | i | |
1954 | 51.42 | 60.05 | 58.13 | 70.77 | 76.24 | 82.52 | 88.65 | 84.48 | 83.00 | 72.89 | 62.68 | 51.26 | 70.17 | |||||||||||||
1955 | 46.06 | 49.29 | 59.08 | a | 64.97 | 70.47 | ----- | z | 83.38 | r | 83.32 | 80.97 | 74.47 | 60.40 | 55.73 | 64.48 | b | |||||||||
1956 | 56.27 | 50.59 | 63.02 | 68.07 | 77.69 | 87.75 | 88.24 | 86.05 | 84.98 | 71.26 | 57.28 | a | 52.02 | 70.27 | ||||||||||||
1957 | 54.73 | a | 61.07 | 62.18 | a | 65.77 | 73.10 | 86.07 | 89.61 | 87.45 | 83.30 | 70.68 | 55.83 | 54.23 | 70.33 | |||||||||||
1958 | 52.74 | 58.18 | 56.34 | 66.12 | 81.34 | 86.27 | 91.65 | 89.27 | 83.17 | 75.62 | a | 60.57 | 56.11 | 71.45 | ||||||||||||
1959 | 54.34 | 53.66 | 61.65 | 72.38 | 74.81 | 88.75 | 91.56 | 86.71 | 83.08 | 72.48 | 59.97 | 53.35 | 71.06 | |||||||||||||
1960 | 47.52 | 50.41 | a | 62.98 | 69.17 | 76.21 | 87.87 | 90.74 | 87.79 | 85.00 | 69.85 | 60.05 | 51.71 | 69.94 | ||||||||||||
1961 | 54.45 | 56.62 | 62.09 | b | 69.68 | 76.66 | 88.02 | 90.18 | 87.27 | 80.47 | 71.34 | 57.18 | 51.90 | 70.49 | ||||||||||||
1962 | 50.34 | 57.38 | 56.42 | 72.93 | 74.37 | 83.25 | 90.08 | a | 91.34 | 83.95 | 73.19 | 64.66 | e | 55.06 | 71.08 | |||||||||||
1963 | 49.26 | 60.70 | 60.84 | 65.27 | 80.23 | 81.85 | 91.65 | 86.05 | 85.55 | 75.92 | 61.48 | 52.21 | 70.92 | |||||||||||||
1964 | 48.08 | 50.07 | 56.79 | 66.40 | 75.32 | 83.50 | 90.76 | 85.32 | 80.88 | 75.87 | 56.63 | 52.82 | 68.54 | |||||||||||||
1965 | 52.65 | 53.64 | 57.08 | 64.62 | 73.15 | 79.42 | 89.79 | 88.40 | 80.33 | 74.84 | 63.57 | 52.98 | 69.21 | |||||||||||||
1966 | 48.56 | 50.21 | 61.45 | 70.15 | 79.35 | 85.43 | 90.63 | 89.44 | 83.85 | 70.48 | 61.70 | 52.48 | 70.31 | |||||||||||||
1967 | 51.06 | 57.29 | 63.68 | 62.38 | 73.94 | 80.93 | 89.35 | 88.35 | 83.50 | 73.44 | 64.24 | a | 48.11 | 69.69 | ||||||||||||
1968 | 51.87 | 59.21 | 59.63 | 65.28 | a | 75.58 | 84.40 | 87.47 | 84.35 | 82.52 | 72.68 | 58.87 | 48.60 | 69.20 | ||||||||||||
1969 | 54.65 | 53.11 | 56.03 | 68.13 | 77.79 | 82.35 | 90.40 | 91.34 | 83.68 | 67.90 | 60.00 | 54.50 | a | 69.99 | ||||||||||||
1970 | 50.63 | 58.35 | a | 58.74 | 63.05 | 77.23 | 86.18 | 91.76 | 89.24 | 79.73 | 67.72 | a | 59.23 | 51.08 | a | 69.41 | ||||||||||
1971 | 50.10 | 54.18 | 60.90 | 65.35 | 72.31 | 82.72 | 91.42 | 85.71 | 82.35 | 66.35 | 57.53 | 49.10 | 68.17 | |||||||||||||
1972 | 49.69 | 57.16 | 67.87 | 68.80 | 75.52 | 84.43 | 90.63 | 85.97 | 80.73 | 67.95 | 53.95 | 49.27 | 69.33 | |||||||||||||
1973 | 48.34 | 54.41 | 54.65 | 63.68 | 77.87 | 83.88 | 88.87 | 88.29 | 80.77 | 71.16 | 57.05 | 52.89 | 68.49 | |||||||||||||
1974 | 51.11 | 53.71 | 60.59 | d | 66.53 | 76.00 | 86.43 | 85.06 | 85.06 | 81.98 | 71.40 | 56.95 | 47.06 | 68.49 | ||||||||||||
1975 | 49.79 | 51.96 | 57.08 | 58.88 | 71.00 | 80.57 | 86.15 | d | 83.26 | 78.82 | ----- | z | 59.32 | 52.50 | 66.30 | a | ||||||||||
1976 | 52.03 | 58.66 | a | 57.88 | a | 63.10 | 75.66 | 83.53 | 87.65 | 84.84 | 78.28 | 66.65 | 59.42 | 52.21 | 68.33 | |||||||||||
1977 | 50.76 | 57.05 | 56.44 | 69.36 | a | 71.15 | 85.58 | 90.71 | 88.03 | 81.12 | 72.89 | 60.82 | 55.94 | 69.99 | ||||||||||||
1978 | 53.00 | 55.79 | 62.33 | b | 66.37 | 74.29 | 86.48 | 89.77 | a | 84.39 | 80.97 | a | 73.90 | 59.33 | 49.77 | 69.70 | ||||||||||
1979 | 48.92 | 54.45 | 58.60 | 66.47 | a | 77.18 | 87.08 | 91.29 | 86.12 | a | 88.82 | b | 76.97 | 56.38 | 55.18 | 70.62 | ||||||||||
1980 | 55.47 | 57.82 | a | 58.74 | 68.85 | c | 72.92 | 86.80 | 92.33 | h | 87.94 | 83.05 | 71.10 | 60.89 | b | 57.00 | 69.14 | a | ||||||||
1981 | 56.85 | 58.38 | b | 57.74 | 69.70 | c | 74.80 | a | 88.62 | 90.34 | 90.88 | c | 86.85 | c | 72.50 | 63.55 | 55.41 | b | 72.14 | |||||||
1982 | 51.17 | a | 56.55 | 60.27 | a | 67.40 | 76.73 | a | 83.68 | 90.45 | b | 89.90 | 85.22 | a | 71.47 | b | 58.71 | a | 50.98 | a | 70.21 | |||||
1983 | 53.13 | 54.39 | a | 58.41 | b | 63.03 | a | 77.33 | b | 85.58 | 91.45 | 88.00 | a | 87.60 | a | 72.47 | 59.56 | e | 53.55 | b | 70.38 | |||||
1984 | 51.53 | 54.24 | 62.92 | 66.88 | 82.08 | 85.72 | 89.07 | a | 87.84 | 84.92 | 71.18 | 61.96 | c | 51.24 | b | 70.80 | ||||||||||
1985 | 51.10 | b | 52.79 | 60.48 | a | 72.30 | c | 80.05 | b | 87.71 | b | 91.12 | b | 89.26 | d | 77.97 | a | 70.77 | a | 57.78 | 51.47 | a | 70.23 | |||
1986 | 56.73 | e | 56.80 | c | ----- | z | 70.27 | b | 79.11 | c | 88.43 | c | 87.64 | c | 89.59 | d | 79.15 | d | 69.65 | a | 59.82 | b | 51.27 | a | 71.68 | a |
1987 | 50.81 | b | 54.46 | d | 58.48 | d | 73.50 | h | 77.52 | b | 87.70 | c | 88.26 | b | 87.08 | f | 82.59 | c | 75.77 | e | 58.82 | b | 47.85 | 68.23 | b | |
1988 | 50.43 | d | 58.02 | c | 62.43 | d | 68.52 | d | 78.04 | e | 87.19 | a | 90.90 | a | 88.71 | c | 81.02 | d | 76.71 | c | 59.63 | 51.66 | 71.11 | |||
1989 | 51.03 | b | 57.54 | d | 66.09 | b | 75.30 | c | 77.91 | b | 86.72 | a | 91.53 | 87.97 | b | 85.35 | d | 72.38 | a | 60.66 | b | 51.62 | b | 72.01 | ||
1990 | 51.40 | f | 54.46 | c | 62.96 | d | 71.50 | i | 75.91 | b | 88.43 | a | 88.80 | a | 85.89 | d | 82.82 | 72.71 | c | 61.18 | b | 48.62 | b | 72.18 | b | |
1991 | 50.40 | g | 60.32 | f | 55.68 | 66.36 | i | 74.94 | f | 81.57 | b | 89.58 | 88.70 | c | 83.27 | b | 75.02 | b | 58.37 | d | 53.66 | f | 76.03 | e | ||
1992 | 51.12 | a | 56.38 | e | 59.00 | 70.86 | b | 78.05 | c | 84.52 | 88.42 | 86.31 | b | 84.02 | c | 73.79 | 55.40 | a | 49.35 | 69.77 | ||||||
1993 | 54.83 | a | 55.35 | b | 60.91 | c | 68.53 | a | 78.81 | b | 84.43 | a | 89.21 | c | 87.16 | 82.00 | a | 71.80 | a | 56.92 | 51.33 | a | 70.11 | |||
1994 | 51.36 | b | 53.39 | 62.82 | c | ----- | z | 74.88 | a | 88.63 | 90.39 | 91.10 | a | 83.28 | a | 71.23 | c | 55.82 | 52.73 | a | 70.51 | a | ||||
1995 | 51.39 | 59.69 | a | ----- | z | 65.53 | 73.07 | b | 82.94 | c | 90.50 | b | 91.03 | b | 86.25 | 72.42 | a | 62.62 | 53.85 | a | 71.75 | a | ||||
1996 | 53.17 | d | 59.95 | 62.34 | 70.61 | b | 80.55 | b | 89.17 | 92.69 | d | 91.03 | 80.21 | a | 71.70 | a | 61.56 | c | 53.73 | c | 72.22 | |||||
1997 | 51.84 | b | 55.06 | a | 65.39 | c | 67.19 | a | 82.68 | a | 84.57 | 90.52 | 89.88 | b | 86.47 | 71.55 | a | 60.46 | b | 49.05 | 71.22 | |||||
1998 | 52.63 | a | 51.68 | 58.91 | d | 63.05 | 73.02 | b | 82.13 | 91.50 | a | 91.60 | 85.14 | a | 70.76 | b | 58.93 | b | 52.08 | 69.29 | ||||||
1999 | 54.47 | a | 58.02 | 63.11 | d | 65.54 | c | 76.57 | c | 86.47 | a | 88.62 | b | 89.20 | a | 83.75 | b | 74.25 | c | 64.60 | a | 51.05 | b | 71.30 | ||
2000 | 55.81 | b | 57.88 | 59.88 | a | 71.09 | b | 81.83 | b | 88.19 | a | 92.71 | 90.02 | b | 86.41 | a | ----- | z | 52.16 | a | 53.21 | 71.74 | a | |||
2001 | 49.85 | a | 53.06 | a | 61.27 | c | 67.21 | a | 81.84 | 87.98 | a | 90.29 | b | 88.97 | b | 86.27 | b | 73.03 | 62.71 | a | 49.00 | c | 70.96 | |||
2002 | 53.02 | b | 57.52 | 60.30 | c | 72.00 | 76.59 | b | 89.50 | d | 90.98 | 89.66 | l | 86.05 | 70.21 | b | 62.46 | c | 51.05 | b | 69.97 | a | ||||
2003 | 58.41 | b | 55.77 | 60.84 | 65.12 | b | 79.24 | 86.80 | c | 93.37 | a | 89.88 | g | ----- | z | 77.05 | b | 57.39 | b | 51.57 | d | 68.56 | b | |||
2004 | 54.30 | a | 51.29 | e | 70.16 | f | 68.70 | b | 79.59 | b | 85.84 | a | 90.65 | 89.05 | a | 83.98 | 71.29 | c | 57.44 | c | 52.38 | b | 71.32 | a | ||
2005 | 54.93 | d | 57.00 | a | 59.55 | b | 67.80 | b | 79.35 | a | 86.38 | b | 93.47 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.21 | e |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | 84.45 | u | 90.33 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | 73.59 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.59 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 51.81 | 55.41 | 59.92 | 67.67 | 76.63 | 85.24 | 90.11 | 87.93 | 83.18 | 72.17 | 59.53 | 51.93 | 70.08 | |||||||||||||
S.D. | 2.69 | 3.09 | 2.95 | 3.41 | 2.82 | 2.49 | 1.67 | 2.17 | 2.44 | 2.57 | 2.75 | 2.19 | 1.09 | |||||||||||||
SKEW | 0.05 | -0.22 | 0.16 | -0.02 | 0.03 | -0.30 | -0.55 | -0.25 | -0.11 | -0.29 | -0.11 | 0.06 | -0.03 | |||||||||||||
MAX | 58.41 | 61.07 | 67.87 | 75.30 | 82.68 | 89.50 | 93.47 | 91.60 | 88.82 | 77.05 | 65.32 | 57.00 | 72.22 | |||||||||||||
MIN | 44.79 | 49.29 | 53.71 | 58.88 | 70.47 | 79.42 | 85.06 | 83.26 | 77.97 | 66.16 | 52.16 | 47.06 | 68.07 | |||||||||||||
YRS | 58 | 60 | 60 | 58 | 62 | 60 | 60 | 56 | 58 | 57 | 59 | 58 | 43 |