YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.03 | 67.55 | 50.45 | 42.76 | 59.70 | h | ||||
1932 | 41.73 | 48.93 | 58.18 | 65.45 | 72.76 | 82.75 | 88.23 | 88.82 | 83.85 | 67.06 | 58.20 | 40.55 | 66.38 | |||||||||||||
1933 | 42.23 | 40.77 | 57.69 | 60.45 | 67.32 | 83.57 | 92.55 | 88.61 | 84.08 | 73.40 | 58.22 | 48.24 | 66.43 | |||||||||||||
1934 | 49.42 | 55.54 | 66.61 | 72.68 | 79.47 | 80.13 | 90.74 | 86.76 | 81.07 | a | 72.48 | 60.68 | 48.16 | 70.31 | ||||||||||||
1935 | 45.95 | 52.52 | 53.81 | 65.00 | 70.63 | 87.43 | 88.13 | a | 87.76 | 81.87 | 69.28 | b | 52.05 | 47.69 | 66.84 | |||||||||||
1936 | 47.42 | 49.12 | 58.98 | 68.87 | 76.71 | 86.07 | 89.11 | 87.14 | b | 79.43 | 67.66 | b | 57.05 | 46.19 | 67.81 | |||||||||||
1937 | 32.23 | 46.91 | 54.53 | 63.47 | 77.21 | 83.80 | 90.28 | b | 91.03 | 84.07 | 71.81 | 58.90 | 50.95 | 67.10 | ||||||||||||
1938 | 49.37 | 48.50 | 52.73 | 64.97 | 72.02 | 83.65 | 89.58 | 87.61 | 83.37 | 66.73 | 50.77 | 49.03 | 66.53 | |||||||||||||
1939 | 45.69 | b | 42.27 | 57.50 | 68.32 | b | 75.48 | 83.52 | 89.66 | 88.69 | 76.25 | b | 66.11 | 58.22 | 51.79 | 66.96 | ||||||||||
1940 | 48.48 | b | 50.12 | 60.95 | a | 66.62 | a | 79.10 | 87.92 | 89.65 | 89.79 | 76.77 | b | 69.95 | 53.10 | 47.95 | 68.37 | |||||||||
1941 | 47.44 | 52.96 | 55.44 | 58.62 | 74.23 | 79.80 | 87.89 | 82.82 | 75.35 | 62.36 | b | 55.17 | 47.24 | 64.94 | ||||||||||||
1942 | 47.95 | 47.41 | 55.08 | 64.37 | 71.08 | 82.63 | 91.71 | 87.79 | b | 80.63 | 69.87 | 57.43 | b | 51.31 | 67.27 | |||||||||||
1943 | 48.59 | d | 53.23 | 58.77 | 67.82 | 76.11 | 80.28 | 89.21 | 85.82 | 83.20 | 68.79 | 56.33 | 48.10 | 68.02 | ||||||||||||
1944 | 45.05 | 45.72 | 54.90 | b | 61.32 | 72.03 | 76.87 | 87.39 | 88.52 | 81.52 | 71.13 | 53.45 | 49.33 | b | 65.60 | |||||||||||
1945 | 47.23 | 51.14 | 52.06 | 63.89 | b | 73.87 | 80.67 | 89.29 | 85.11 | c | 81.90 | 69.71 | 55.50 | b | 45.92 | 66.36 | ||||||||||
1946 | 47.06 | 49.79 | 57.71 | b | 69.58 | 73.77 | 85.25 | 87.95 | 87.45 | 81.25 | 62.63 | 50.52 | 49.94 | 66.91 | ||||||||||||
1947 | 45.56 | 55.82 | 60.95 | 66.78 | 78.29 | 80.93 | 89.10 | 85.31 | 84.28 | 69.11 | 51.53 | 45.15 | 67.74 | |||||||||||||
1948 | 47.71 | 47.31 | 51.21 | 64.52 | 72.89 | 81.68 | 88.15 | 87.29 | 81.65 | 69.34 | 52.10 | 43.90 | 65.65 | |||||||||||||
1949 | 34.35 | 42.43 | 54.60 | 68.78 | 71.18 | 82.47 | 89.06 | 85.74 | 83.63 | 66.05 | 61.73 | 45.82 | 65.49 | |||||||||||||
1950 | 43.42 | 53.98 | 58.44 | 68.78 | 73.23 | 81.30 | 87.23 | 87.63 | 78.25 | 73.42 | 59.23 | 54.00 | 68.24 | |||||||||||||
1951 | 46.53 | b | 49.38 | 55.63 | 64.32 | 72.66 | 81.28 | 88.89 | 84.64 | b | 82.37 | 66.29 | 52.48 | 44.05 | 65.71 | |||||||||||
1952 | 42.79 | 49.60 | 49.58 | 64.05 | 76.02 | 78.65 | 87.23 | 89.11 | 81.17 | 73.84 | 51.21 | a | 46.27 | 65.79 | ||||||||||||
1953 | 51.33 | a | 50.70 | 58.48 | ----- | z | 65.94 | 80.82 | 88.52 | 85.61 | 83.38 | 66.89 | 57.35 | 47.05 | 66.91 | a | ||||||||||
1954 | 47.37 | 56.95 | 53.34 | 70.07 | 77.19 | 80.32 | 89.42 | 84.58 | a | 80.53 | a | 70.45 | a | 58.78 | 46.05 | 67.92 | ||||||||||
1955 | 41.89 | 43.77 | b | 55.85 | 60.95 | 70.82 | 81.32 | 85.65 | 84.87 | 81.67 | 72.02 | 55.87 | 50.61 | 65.44 | ||||||||||||
1956 | 51.12 | a | 47.32 | a | 59.43 | a | 64.41 | a | 74.27 | 84.55 | 87.48 | 85.37 | 84.12 | 67.10 | 54.28 | 49.74 | 67.43 | |||||||||
1957 | 45.44 | 56.41 | 59.15 | 63.80 | 69.58 | 85.93 | 88.37 | a | 84.35 | 80.87 | 64.23 | 50.42 | 49.58 | a | 66.51 | |||||||||||
1958 | 48.80 | d | 53.17 | a | 51.74 | 63.00 | 77.60 | a | 82.59 | b | 87.52 | a | 88.61 | 81.50 | b | 72.71 | b | 55.20 | 52.09 | b | 67.88 | |||||
1959 | 49.33 | a | 48.66 | 59.56 | 70.46 | b | 72.93 | c | 86.20 | b | 91.32 | a | 85.95 | 77.83 | a | 70.58 | 55.53 | a | 49.08 | a | 68.12 | |||||
1960 | 41.88 | a | 47.20 | a | 60.45 | c | 66.91 | b | 74.63 | 87.19 | a | 91.50 | d | 88.43 | a | 82.36 | a | 67.65 | 54.67 | 46.82 | 67.47 | |||||
1961 | 48.55 | b | 53.98 | a | 57.60 | a | 66.38 | a | 72.84 | c | 86.78 | c | 90.61 | c | 87.28 | a | 77.20 | c | 67.73 | 52.72 | 44.66 | 67.19 | ||||
1962 | 47.43 | a | 51.33 | b | 53.24 | 72.80 | 71.31 | 82.75 | 88.11 | 89.57 | a | 82.68 | 69.94 | 60.09 | a | 49.95 | 68.27 | |||||||||
1963 | 44.37 | 58.56 | b | 57.35 | 61.33 | a | 76.35 | a | 78.58 | 89.26 | 87.43 | a | 82.10 | a | 72.52 | 57.05 | a | 48.39 | 67.77 | |||||||
1964 | 44.30 | c | 48.67 | 52.30 | a | 63.28 | 71.92 | a | 81.20 | 90.27 | 87.12 | c | 79.97 | a | 75.23 | 52.65 | 50.27 | 66.43 | ||||||||
1965 | 49.71 | 52.09 | 54.71 | 61.14 | a | 69.82 | 77.95 | 86.35 | 87.16 | 75.53 | 71.66 | 57.60 | 46.21 | 65.83 | ||||||||||||
1966 | 44.50 | 47.26 | a | 59.63 | 68.17 | 77.76 | 83.60 | 87.95 | a | 89.06 | 80.58 | 67.58 | 56.97 | 47.50 | a | 67.55 | ||||||||||
1967 | 47.16 | 53.61 | 60.11 | 56.73 | 73.56 | 79.62 | 90.84 | 89.35 | 81.07 | 72.40 | 59.38 | 43.29 | 67.26 | |||||||||||||
1968 | 47.74 | 57.66 | 59.32 | 63.78 | 74.37 | 84.57 | 87.81 | 83.95 | 81.28 | 69.82 | 57.33 | 43.82 | 67.62 | |||||||||||||
1969 | 49.87 | 47.54 | 55.34 | 66.03 | 76.94 | 81.14 | a | 88.90 | 91.95 | 83.03 | 65.77 | 57.65 | 49.89 | 67.84 | ||||||||||||
1970 | 47.69 | 54.98 | 55.97 | 60.73 | 75.55 | a | 83.98 | 90.39 | 88.02 | 78.53 | a | 66.53 | 57.48 | 46.06 | 67.16 | |||||||||||
1971 | 46.92 | 52.46 | 59.15 | 63.70 | 67.95 | 81.63 | 91.02 | 87.05 | 79.62 | 64.16 | 53.53 | 43.44 | 65.89 | |||||||||||||
1972 | 45.66 | 55.41 | 68.44 | 67.82 | 75.50 | 84.05 | 91.70 | a | 86.53 | 77.88 | 65.29 | 51.31 | a | 43.73 | 67.78 | |||||||||||
1973 | 42.60 | 50.86 | 51.16 | 63.27 | 76.40 | 84.43 | 89.26 | 86.85 | 79.25 | 68.05 | 53.88 | 49.29 | 66.28 | |||||||||||||
1974 | 40.77 | 50.20 | 59.98 | a | 63.97 | 75.65 | 87.00 | 85.60 | 85.56 | 81.52 | 69.52 | a | 54.90 | 44.37 | 66.59 | |||||||||||
1975 | 45.19 | 48.55 | 52.69 | b | 56.32 | 71.24 | 81.02 | 88.35 | 85.55 | 80.75 | 66.23 | 54.57 | ----- | z | 66.41 | a | ||||||||||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.83 | 66.68 | ----- | z | 47.24 | 63.25 | i | |||
1977 | ----- | z | 55.05 | 51.55 | 66.77 | 65.95 | 85.77 | 89.42 | 87.21 | 79.45 | 71.26 | 57.40 | 51.85 | 69.24 | a | |||||||||||
1978 | 47.11 | 50.96 | 58.44 | 60.73 | 72.10 | a | 84.50 | 89.23 | 85.94 | 78.30 | 72.82 | 53.08 | 42.32 | 66.29 | ||||||||||||
1979 | 39.50 | 46.96 | 54.71 | 63.10 | j | 71.89 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.85 | 48.92 | 52.47 | f | |||||
1980 | 48.26 | 52.69 | 52.23 | 62.82 | b | 67.98 | 78.58 | 88.76 | 86.76 | 80.58 | 68.81 | 58.20 | 54.50 | 66.68 | ||||||||||||
1981 | 52.23 | 52.20 | 54.32 | 68.65 | 72.23 | 87.82 | 90.44 | 87.89 | 79.80 | 64.53 | 59.20 | 49.95 | 68.27 | |||||||||||||
1982 | 44.43 | h | 51.43 | e | 54.55 | 62.41 | a | 73.08 | 80.30 | 85.77 | 85.58 | 76.75 | 64.30 | d | 52.15 | 44.69 | 66.46 | a | ||||||||
1983 | 47.55 | a | 51.46 | 55.66 | 58.38 | a | 73.77 | 80.73 | 86.60 | 82.42 | 81.76 | a | 67.65 | a | 55.85 | 49.43 | a | 65.94 | ||||||||
1984 | 49.73 | a | 52.31 | 59.63 | a | 64.14 | a | 81.67 | b | 83.03 | 87.63 | 85.86 | c | 81.57 | a | 64.35 | 55.29 | a | 45.37 | a | 67.55 | |||||
1985 | 46.32 | 49.30 | a | 55.95 | a | 70.11 | b | 76.61 | 87.47 | a | 91.12 | b | 88.98 | 76.45 | b | 69.15 | 53.13 | 50.23 | a | 67.90 | ||||||
1986 | 54.25 | a | 55.89 | 63.63 | 66.35 | 77.18 | a | 87.21 | b | 86.26 | b | 89.76 | 74.91 | a | 66.16 | 57.12 | 47.47 | a | 68.85 | |||||||
1987 | 44.94 | 51.21 | 55.09 | b | 70.33 | 73.77 | 86.16 | a | 86.18 | 87.72 | b | 82.80 | b | 72.85 | 54.22 | a | 43.34 | b | 67.39 | |||||||
1988 | 46.41 | c | 54.10 | 59.42 | a | 64.60 | a | 74.50 | a | 85.55 | b | 91.53 | 85.98 | b | 80.93 | c | 76.63 | 57.02 | a | 47.82 | a | 68.71 | ||||
1989 | 44.98 | 50.54 | a | 64.60 | a | 74.09 | b | 75.32 | a | 85.00 | c | 92.40 | 86.82 | 81.75 | 68.73 | a | 59.35 | 50.74 | b | 69.53 | ||||||
1990 | 46.83 | b | 49.39 | 61.86 | b | 69.47 | 73.79 | 85.80 | 90.19 | 86.92 | 81.55 | a | 70.38 | a | 57.63 | 42.65 | 68.04 | |||||||||
1991 | 46.40 | 58.50 | 52.66 | 64.29 | b | 70.60 | 80.22 | 90.11 | 87.39 | 81.71 | b | 74.03 | a | 56.47 | a | 47.32 | 67.47 | |||||||||
1992 | 46.86 | b | 53.41 | a | 56.45 | 70.05 | a | 77.74 | 82.59 | a | 88.05 | b | 89.75 | a | 83.86 | a | 71.97 | b | 52.96 | b | 43.33 | a | 68.09 | |||
1993 | 46.15 | a | 49.02 | a | 59.76 | 67.20 | 75.98 | 82.97 | 86.85 | a | 87.29 | 82.14 | a | 70.36 | b | 52.98 | 48.45 | c | 67.43 | |||||||
1994 | 50.41 | b | 48.16 | 62.33 | d | 67.68 | k | 74.48 | i | 88.57 | c | 91.21 | g | 90.74 | b | 82.17 | 66.82 | 48.58 | 47.71 | 65.06 | c | |||||
1995 | 46.18 | 58.09 | 56.02 | a | 63.23 | 69.73 | c | 80.79 | f | 91.69 | 92.14 | b | 85.35 | 71.86 | b | 62.26 | c | 51.63 | 68.02 | a | ||||||
1996 | 51.77 | 56.50 | 61.44 | 70.00 | d | 79.66 | c | 88.07 | 93.47 | 91.91 | b | 80.98 | 69.40 | 58.28 | 49.27 | 70.90 | ||||||||||
1997 | 49.74 | h | 52.76 | a | 65.00 | a | 65.79 | a | 82.53 | 83.87 | 89.54 | c | 90.07 | h | 81.59 | a | 68.74 | 57.68 | 47.03 | a | 69.45 | b | ||||
1998 | 49.96 | c | 48.93 | 57.56 | 61.45 | 69.73 | 80.54 | b | 91.43 | b | 91.71 | b | 80.40 | 67.98 | 56.30 | 48.74 | 67.06 | |||||||||
1999 | 51.94 | 54.16 | 61.72 | b | 60.40 | a | 74.71 | 85.02 | a | 89.06 | 89.72 | b | 83.95 | a | 75.21 | 62.27 | 52.03 | 70.02 | ||||||||
2000 | 53.17 | j | ----- | z | ----- | z | ----- | z | 80.78 | m | 88.70 | j | 93.55 | i | 91.36 | f | 83.58 | l | 69.09 | i | 51.65 | g | 51.60 | g | ----- | z |
2001 | 46.90 | f | 49.86 | j | 55.93 | p | 67.37 | o | 82.62 | j | 88.29 | k | 89.50 | q | 92.73 | p | 85.80 | o | 75.39 | l | 63.22 | n | ----- | z | ----- | z |
2002 | 47.72 | v | 53.00 | v | ----- | z | ----- | z | ----- | z | ----- | z | 93.78 | o | 89.53 | n | 83.03 | o | 66.34 | o | 58.50 | o | 48.14 | q | ----- | z |
2003 | 55.96 | q | 48.18 | n | 58.44 | n | 61.92 | 77.69 | ----- | z | ----- | z | ----- | z | 83.93 | 75.83 | a | 53.52 | b | 48.18 | 66.85 | f | ||||
2004 | 47.76 | d | 47.93 | b | 66.00 | 66.87 | o | 75.25 | e | 84.12 | f | 87.82 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.23 | h | |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.48 | 51.06 | 57.37 | 65.18 | 73.97 | 83.19 | 89.12 | 87.42 | 80.81 | 69.20 | 55.61 | 47.63 | 67.30 | |||||||||||||
S.D. | 3.74 | 3.90 | 4.04 | 3.84 | 3.46 | 2.86 | 1.81 | 2.12 | 2.48 | 3.24 | 3.11 | 2.97 | 1.21 | |||||||||||||
SKEW | -1.28 | -0.22 | 0.47 | 0.02 | -0.07 | 0.00 | 0.08 | 0.18 | -0.63 | 0.13 | 0.00 | -0.09 | 0.60 | |||||||||||||
MAX | 54.25 | 58.56 | 68.44 | 74.09 | 82.53 | 88.57 | 93.47 | 92.14 | 85.35 | 76.63 | 62.27 | 54.50 | 70.90 | |||||||||||||
MIN | 32.23 | 40.77 | 49.58 | 56.32 | 65.94 | 76.87 | 85.60 | 82.42 | 74.91 | 62.36 | 48.58 | 40.55 | 64.94 | |||||||||||||
YRS | 65 | 68 | 68 | 65 | 68 | 65 | 65 | 65 | 69 | 69 | 69 | 69 | 59 |