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 | 40.56 | f | 43.05 | a | 43.05 | k |
1930 | 25.29 | b | 44.00 | a | 47.98 | b | 52.98 | 52.56 | 57.59 | b | 62.86 | b | 64.95 | c | 59.80 | b | 49.95 | a | 43.94 | f | 38.88 | g | 51.80 | b | ||
1931 | 42.56 | f | 41.33 | b | 46.71 | b | 53.16 | a | 60.60 | a | 61.07 | b | 67.69 | d | 65.26 | 58.72 | a | 51.68 | a | 41.12 | a | 37.95 | b | 53.21 | a | |
1932 | 37.10 | a | 40.07 | 46.03 | 50.83 | 55.10 | a | 63.85 | 62.55 | 66.02 | a | 64.20 | c | 56.37 | l | 46.04 | d | 36.48 | e | 51.66 | a | |||||
1933 | 38.66 | b | 38.41 | k | 44.59 | b | 50.63 | 52.04 | e | 60.71 | b | 66.22 | b | 67.16 | b | 56.52 | 54.33 | h | 42.64 | h | 45.04 | c | 53.51 | c | ||
1934 | 45.00 | u | 44.96 | c | 52.56 | d | 58.64 | e | 55.53 | b | 59.30 | b | 65.37 | a | 66.58 | 59.38 | b | 54.21 | 47.40 | 41.02 | 54.99 | a | ||||
1935 | 37.66 | 42.63 | a | 41.26 | 49.95 | 54.08 | a | 59.28 | 65.71 | 66.61 | 61.88 | 48.78 | b | 39.80 | 38.40 | a | 50.50 | |||||||||
1936 | 41.32 | a | 33.69 | 42.97 | a | 52.96 | b | 59.66 | 64.45 | 66.13 | a | 66.68 | 59.80 | 53.88 | a | 40.07 | 40.73 | a | 51.86 | |||||||
1937 | 28.27 | 40.46 | a | 47.42 | 49.15 | 58.40 | 63.79 | a | 66.47 | 64.57 | d | 61.45 | 54.76 | d | 47.58 | 42.18 | 52.04 | |||||||||
1938 | 39.30 | a | 41.29 | 45.07 | b | 51.70 | 58.52 | 63.84 | b | 68.68 | a | 62.77 | c | 63.34 | a | 52.87 | 41.54 | d | 39.70 | a | 52.38 | |||||
1939 | 41.57 | a | 38.28 | e | 46.77 | a | 52.17 | 57.23 | 59.33 | 66.31 | 66.11 | 61.67 | 53.02 | b | 44.41 | c | 43.82 | a | 52.56 | |||||||
1940 | 40.15 | a | 45.53 | 50.00 | a | 52.45 | 60.26 | 63.62 | a | 65.61 | 67.03 | 63.00 | b | 55.68 | 42.84 | b | 41.40 | 53.96 | ||||||||
1941 | 41.33 | a | 44.88 | 50.98 | 52.65 | 56.32 | 61.41 | a | 69.74 | 65.98 | 57.63 | 53.32 | 45.00 | a | 40.89 | 53.35 | ||||||||||
1942 | 34.08 | 41.46 | a | 43.73 | 50.68 | 54.76 | 58.82 | 66.98 | 65.95 | a | 60.65 | 53.18 | 43.00 | 41.69 | 51.25 | |||||||||||
1943 | 32.87 | a | 42.67 | b | 44.02 | 53.62 | 54.05 | 59.95 | 65.71 | 63.29 | 64.50 | 53.71 | 43.65 | 38.23 | a | 51.36 | ||||||||||
1944 | 38.16 | 41.20 | d | 44.56 | 50.17 | 56.34 | b | 59.97 | 65.79 | 64.40 | b | 63.25 | 56.63 | 43.32 | 37.27 | 51.76 | ||||||||||
1945 | 40.95 | 43.66 | 44.21 | 49.50 | 57.95 | 60.50 | 66.90 | 65.19 | 58.47 | 51.94 | 44.62 | a | 39.89 | 51.98 | ||||||||||||
1946 | 39.19 | 41.20 | 46.29 | 50.35 | 59.10 | 59.80 | 65.74 | 65.52 | 60.90 | 50.27 | a | 42.50 | 41.29 | 51.85 | ||||||||||||
1947 | 35.50 | 44.84 | 49.52 | 54.52 | 59.10 | 60.22 | 63.69 | 63.31 | b | 61.90 | 54.15 | 45.30 | 40.92 | a | 52.75 | |||||||||||
1948 | 37.82 | 40.26 | 44.16 | 47.20 | 55.60 | a | 65.68 | 65.38 | a | 63.90 | 60.57 | 51.60 | a | 42.62 | b | 36.05 | a | 50.90 | ||||||||
1949 | 27.55 | a | 38.66 | 45.71 | 52.83 | a | 59.45 | 62.52 | a | 66.16 | 66.27 | g | 64.97 | a | 48.08 | 48.73 | 40.42 | 50.46 | a | |||||||
1950 | 28.68 | a | 39.70 | 44.19 | b | 48.42 | 54.68 | a | 62.90 | 66.77 | a | 68.84 | 63.30 | 51.43 | a | 44.93 | 46.37 | a | 51.68 | |||||||
1951 | 38.55 | b | 42.61 | 41.03 | 54.00 | a | 57.39 | 64.58 | 68.31 | 65.81 | 63.98 | 53.58 | a | 45.14 | b | 37.47 | 52.70 | |||||||||
1952 | 35.94 | 40.79 | a | 44.31 | 52.90 | 57.48 | 60.28 | c | 69.22 | b | 67.33 | a | 65.21 | b | 59.17 | a | 39.25 | b | 40.72 | a | 52.72 | |||||
1953 | 47.07 | a | 43.57 | 45.38 | b | 49.17 | a | 54.83 | a | 57.85 | 66.53 | 66.36 | b | 63.40 | a | 54.61 | 48.16 | a | 42.29 | b | 53.27 | |||||
1954 | 38.11 | 43.13 | a | 44.11 | d | 49.34 | b | 57.70 | a | 57.71 | a | 62.95 | a | 62.90 | b | 60.32 | 52.31 | b | 48.73 | 40.32 | 51.47 | |||||
1955 | 38.12 | a | 40.05 | 40.88 | a | 45.82 | 52.97 | 60.48 | 62.80 | a | 64.55 | 61.68 | 53.48 | a | 41.13 | 39.00 | 50.08 | |||||||||
1956 | 40.27 | a | 35.67 | 44.10 | 53.40 | 59.94 | 57.98 | 68.40 | 66.45 | 61.57 | 51.52 | b | 42.70 | 40.38 | f | 52.91 | a | |||||||||
1957 | 30.68 | 42.25 | 47.43 | a | 52.81 | a | 59.86 | b | 61.91 | b | 65.24 | 64.37 | a | 66.60 | a | 53.25 | a | 43.63 | 43.35 | a | 52.62 | |||||
1958 | 42.95 | b | 48.83 | a | 45.98 | b | 51.03 | 62.47 | 66.78 | a | 72.98 | a | 71.20 | a | 62.73 | 56.88 | b | 44.80 | e | 44.25 | e | 55.91 | ||||
1959 | 40.87 | a | 42.04 | 46.19 | d | 51.25 | d | 54.70 | a | 60.82 | 67.88 | a | 63.57 | c | 59.33 | a | 53.50 | a | 43.79 | b | 38.22 | a | 51.84 | |||
1960 | 33.81 | b | 40.85 | b | 43.85 | a | 50.02 | b | 52.67 | b | 63.10 | 69.75 | a | 66.00 | 63.05 | a | 55.43 | b | 45.65 | 39.27 | 51.95 | |||||
1961 | 44.41 | b | 46.87 | e | 47.34 | c | 50.21 | b | 56.21 | 66.33 | a | 69.82 | 72.16 | 59.74 | a | 52.77 | 42.34 | a | 40.95 | b | 54.10 | |||||
1962 | 38.36 | b | 42.00 | b | 44.03 | a | 52.05 | a | 52.10 | 60.58 | 64.90 | b | 65.22 | b | 61.70 | b | 52.73 | 46.64 | a | 41.08 | a | 51.78 | ||||
1963 | 33.98 | b | 47.21 | 44.67 | b | 47.50 | a | 56.52 | a | 60.70 | 62.26 | 65.34 | 65.03 | a | 52.98 | 45.22 | g | 40.37 | 52.42 | a | ||||||
1964 | 41.58 | a | 41.64 | 43.90 | 46.80 | 51.71 | 58.55 | 63.92 | 61.85 | 57.22 | 52.48 | a | 41.09 | a | 38.92 | 49.97 | ||||||||||
1965 | 40.16 | 42.73 | 46.03 | a | 50.20 | 52.13 | 58.53 | 66.65 | 66.05 | 58.23 | 54.55 | 47.33 | 37.53 | 51.68 | ||||||||||||
1966 | 39.73 | a | 41.38 | 44.97 | 50.85 | 55.27 | 59.20 | 63.89 | 63.79 | 61.25 | 50.98 | 47.53 | 43.56 | 51.87 | ||||||||||||
1967 | 43.22 | a | 43.18 | 43.22 | a | 45.45 | 54.65 | 63.47 | 67.98 | 72.58 | 64.60 | a | 53.90 | a | 47.30 | 41.31 | 53.40 | |||||||||
1968 | 40.35 | 48.36 | 48.37 | 48.10 | 55.13 | a | 60.95 | 66.39 | 64.00 | 60.67 | 51.16 | 45.88 | 38.24 | 52.30 | ||||||||||||
1969 | 33.74 | 40.70 | 46.58 | 49.90 | 58.10 | b | 66.08 | 64.62 | a | 62.85 | 61.30 | 51.34 | 45.62 | 41.94 | 51.90 | |||||||||||
1970 | 41.00 | 46.52 | 46.98 | 47.25 | 55.56 | 64.20 | 66.74 | 65.77 | 58.02 | 51.69 | 45.52 | 39.71 | 52.41 | |||||||||||||
1971 | 40.03 | 42.50 | 43.77 | 49.73 | 56.56 | 57.72 | a | 67.52 | 69.18 | 59.58 | 50.60 | 44.78 | 39.18 | 51.76 | ||||||||||||
1972 | 38.03 | a | 42.71 | 48.58 | 47.02 | 59.10 | 62.28 | 69.32 | 68.63 | 58.85 | 51.71 | 46.32 | 35.23 | 52.31 | ||||||||||||
1973 | 38.86 | b | 44.87 | a | 45.82 | 50.22 | 57.08 | a | 60.95 | 67.76 | 62.77 | 61.71 | a | 52.10 | 43.02 | a | 43.95 | 52.43 | ||||||||
1974 | 37.81 | 41.95 | 46.73 | 50.28 | 53.90 | 63.08 | 65.44 | 67.08 | 65.08 | 53.13 | 46.25 | 43.18 | 52.83 | |||||||||||||
1975 | 41.32 | 41.07 | 45.00 | 46.55 | 56.02 | a | 59.70 | 66.69 | 62.89 | 63.35 | 52.19 | 44.27 | 42.68 | 51.81 | ||||||||||||
1976 | 41.60 | 41.43 | a | 43.44 | 49.22 | 55.63 | 58.33 | 64.60 | 64.15 | 62.53 | 53.48 | 46.37 | 38.66 | 51.62 | ||||||||||||
1977 | 37.14 | f | 44.25 | 43.84 | 51.90 | 52.48 | 62.37 | 63.79 | 69.65 | 60.31 | a | 53.09 | b | 43.35 | 43.06 | 53.46 | a | |||||||||
1978 | 41.84 | 46.16 | 49.65 | a | 50.28 | 54.45 | a | 63.95 | a | 67.50 | 66.06 | 59.77 | 54.48 | 39.36 | a | 35.13 | 52.39 | |||||||||
1979 | 30.76 | 41.80 | 48.76 | 50.80 | 56.92 | 62.38 | 67.00 | a | 65.06 | 63.26 | a | 55.37 | 43.83 | 44.10 | 52.50 | |||||||||||
1980 | 35.81 | 42.43 | 45.50 | 52.23 | 55.35 | 57.73 | 65.82 | 62.65 | 60.25 | 53.12 | a | 46.90 | 42.92 | 51.73 | ||||||||||||
1981 | 42.76 | 42.88 | 47.42 | 50.35 | 55.32 | 59.60 | 65.11 | 69.24 | 61.90 | 51.84 | 47.08 | 42.56 | 53.01 | |||||||||||||
1982 | 37.37 | 41.77 | 44.94 | 46.66 | a | 55.18 | a | 63.16 | a | 64.97 | 65.58 | a | 60.72 | 52.24 | d | 42.17 | a | 40.34 | 51.26 | |||||||
1983 | 42.37 | 45.96 | a | 49.13 | a | 51.00 | 58.60 | 59.88 | 63.84 | c | 65.55 | a | 59.00 | 51.10 | 48.02 | 34.98 | 52.45 | |||||||||
1984 | 41.23 | 43.66 | a | 48.83 | e | 48.48 | a | 52.91 | c | 59.38 | 65.00 | c | 64.88 | a | 59.71 | a | 49.81 | 44.79 | a | 36.22 | a | 51.24 | ||||
1985 | 35.05 | 39.07 | 42.96 | c | 51.81 | a | 55.72 | b | 61.33 | a | 69.65 | 64.60 | a | 57.73 | 50.82 | 36.45 | 33.77 | 49.91 | ||||||||
1986 | 42.50 | 43.21 | 50.82 | 49.38 | 55.47 | 64.55 | 62.79 | 70.18 | 59.30 | 54.55 | 46.18 | 39.44 | 53.20 | |||||||||||||
1987 | 39.94 | 44.52 | 47.63 | 52.83 | 58.79 | 64.09 | a | 65.35 | 67.29 | 63.47 | 56.19 | 47.22 | 37.77 | 53.76 | ||||||||||||
1988 | 38.34 | 42.95 | a | 46.26 | 51.32 | 54.28 | a | 61.16 | a | 67.16 | 64.85 | 60.93 | 57.38 | b | 46.20 | 39.36 | c | 52.52 | ||||||||
1989 | 40.78 | a | 35.19 | a | 44.48 | 53.86 | e | 56.35 | a | 63.42 | 63.56 | 64.02 | 63.17 | 52.63 | 46.55 | 39.21 | 51.93 | |||||||||
1990 | 42.18 | 40.32 | 48.18 | 53.32 | 54.87 | a | 61.55 | 68.40 | a | 68.02 | 64.63 | 51.44 | 45.10 | a | 32.73 | a | 52.56 | |||||||||
1991 | 38.42 | 47.75 | 44.27 | 49.88 | 53.18 | 58.78 | a | 66.76 | 67.76 | 64.45 | 53.30 | a | 46.45 | b | 40.65 | a | 52.64 | |||||||||
1992 | 42.48 | a | 48.00 | 51.29 | 53.82 | b | 60.00 | a | 66.12 | b | 68.36 | b | 67.61 | 60.22 | 54.84 | 45.20 | 38.42 | 54.70 | ||||||||
1993 | 35.60 | 39.59 | 48.19 | b | 51.05 | 60.25 | a | 60.55 | 61.87 | a | 66.47 | 63.43 | a | 55.76 | 38.60 | a | 39.82 | 51.76 | ||||||||
1994 | 42.98 | 39.88 | b | 49.42 | 52.61 | b | 58.35 | 60.24 | a | 68.42 | 66.61 | 64.67 | a | 50.40 | 39.76 | a | 41.12 | a | 52.87 | |||||||
1995 | 43.92 | 46.17 | a | 47.19 | 49.82 | 59.74 | 61.96 | d | 69.03 | 64.92 | 64.45 | 51.83 | a | 50.17 | 41.65 | 54.24 | ||||||||||
1996 | 40.39 | 41.24 | 47.61 | 52.72 | 54.67 | b | 62.12 | 71.13 | 67.94 | 59.75 | 52.21 | 44.12 | 41.25 | a | 52.93 | |||||||||||
1997 | 40.81 | 42.54 | a | 46.37 | a | 50.50 | 62.34 | 62.61 | b | 68.23 | a | 70.23 | 63.72 | a | 52.97 | 52.62 | 41.19 | 54.51 | ||||||||
1998 | 43.79 | 46.65 | a | 50.48 | 53.86 | a | 57.60 | a | 65.50 | a | 72.37 | a | 70.79 | 67.30 | 55.16 | 50.18 | 40.77 | 56.21 | ||||||||
1999 | 42.83 | a | 45.27 | 46.56 | 51.68 | 55.36 | b | 61.17 | a | 65.57 | q | ----- | z | ----- | z | 50.71 | s | 50.14 | a | 47.11 | 50.02 | d | ||||
2000 | 40.13 | a | 44.04 | d | 48.55 | c | 58.16 | b | 59.22 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.72 | h |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | 56.72 | d | 58.41 | c | 64.37 | a | 65.08 | 60.42 | 49.00 | a | 46.20 | h | 38.79 | n | 59.00 | f | ||
2002 | 38.82 | 42.00 | 41.53 | a | 50.02 | f | 54.79 | 63.44 | c | 70.55 | k | 68.82 | q | 62.00 | p | 52.10 | b | 46.00 | a | 42.77 | 47.68 | d | ||||
2003 | 44.71 | 44.20 | 48.27 | 50.02 | a | 56.98 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.84 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.74 | 42.60 | 46.16 | 50.89 | 56.35 | 61.48 | 66.42 | 66.06 | 61.65 | 52.93 | 44.77 | 40.29 | 52.39 | |||||||||||||
S.D. | 4.28 | 2.91 | 2.54 | 2.49 | 2.53 | 2.40 | 2.35 | 2.36 | 2.39 | 2.06 | 3.03 | 2.82 | 1.22 | |||||||||||||
SKEW | -1.08 | -0.31 | 0.21 | 0.32 | 0.26 | 0.29 | 0.36 | 0.74 | 0.07 | 0.33 | -0.23 | -0.26 | 0.77 | |||||||||||||
MAX | 47.07 | 48.83 | 52.56 | 58.64 | 62.47 | 66.78 | 72.98 | 72.58 | 67.30 | 59.17 | 52.62 | 47.11 | 56.21 | |||||||||||||
MIN | 25.29 | 33.69 | 40.88 | 45.45 | 51.71 | 57.59 | 61.87 | 61.85 | 56.52 | 48.08 | 36.45 | 32.73 | 49.91 | |||||||||||||
YRS | 70 | 72 | 73 | 72 | 73 | 72 | 70 | 69 | 70 | 69 | 68 | 70 | 60 |