YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.14 | i | 63.45 | 53.87 | 45.58 | 54.30 | i | |||
1937 | 34.97 | a | 42.36 | 52.68 | 50.10 | 61.03 | a | 68.73 | 74.87 | 70.32 | 72.50 | 65.58 | 52.53 | 49.10 | a | 57.90 | ||||||||||
1938 | 48.42 | 49.31 | b | 49.43 | a | 57.36 | b | ----- | z | ----- | z | 80.97 | 73.23 | 73.77 | 60.26 | 46.90 | 44.19 | 58.38 | b | |||||||
1939 | 44.61 | c | ----- | z | 50.37 | a | ----- | z | 63.26 | d | 63.00 | a | 70.84 | 76.62 | b | 70.79 | a | 59.67 | a | 54.42 | d | 54.00 | f | 61.51 | c | |
1940 | 46.10 | 47.55 | 53.97 | b | 59.75 | f | 67.32 | 71.77 | 70.45 | 75.68 | ----- | z | 60.37 | a | 46.47 | 46.97 | a | 58.66 | b | |||||||
1941 | 47.90 | a | 51.65 | b | 58.70 | a | 61.25 | b | 61.94 | 65.80 | 77.47 | a | 72.57 | a | ----- | z | ----- | z | ----- | z | ----- | z | 62.16 | d | ||
1942 | 44.76 | j | ----- | z | ----- | z | ----- | z | 63.75 | g | 71.73 | 79.58 | 79.77 | 73.82 | b | 66.10 | u | ----- | z | ----- | z | 76.23 | h | |||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.05 | j | 71.40 | a | 68.93 | b | 73.67 | 60.84 | f | 54.30 | 46.58 | 62.98 | g | |||
1944 | 45.36 | f | 47.59 | 49.71 | 56.06 | l | 64.92 | f | 69.56 | e | 74.93 | a | 70.79 | b | 72.52 | c | 63.94 | 51.00 | l | 47.47 | p | 64.15 | e | |||
1945 | 46.39 | 46.73 | m | 48.50 | o | 52.79 | p | 66.14 | i | 68.90 | t | 75.27 | e | 74.92 | g | 68.86 | p | 62.59 | n | 47.25 | n | 45.63 | l | 60.83 | j | |
1946 | 45.29 | 46.83 | j | 49.39 | m | 56.86 | i | 68.17 | h | 62.38 | q | 72.00 | k | 74.62 | g | 67.94 | l | 54.56 | m | 45.88 | m | 44.14 | q | 45.29 | k | |
1947 | 41.68 | 50.33 | j | 58.47 | n | 58.75 | j | 65.50 | m | ----- | z | 69.00 | h | 70.94 | n | 69.93 | o | 57.00 | l | 48.06 | l | 47.80 | k | 41.68 | k | |
1948 | 45.24 | n | 42.27 | n | 47.25 | k | 50.37 | k | 59.76 | n | ----- | z | 70.25 | k | ----- | z | 65.00 | k | 65.20 | p | 50.58 | r | 39.48 | j | ----- | z |
1949 | 36.48 | j | 41.81 | l | 52.75 | k | 57.20 | o | 70.17 | m | 67.21 | p | 71.22 | h | 69.65 | e | 74.95 | j | 56.79 | q | 55.53 | m | 44.47 | p | 69.65 | k |
1950 | 33.00 | i | 42.00 | c | 46.11 | l | 54.00 | o | 60.10 | k | 72.60 | o | 75.86 | q | 75.17 | g | 73.12 | n | ----- | z | ----- | z | ----- | z | 42.00 | k |
1951 | ----- | z | ----- | z | ----- | z | 66.93 | p | ----- | z | 76.55 | s | 75.88 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.88 | k |
1952 | ----- | z | ----- | z | ----- | z | 59.63 | k | ----- | z | 63.40 | t | 74.77 | 74.19 | 72.08 | e | 67.76 | b | 47.71 | m | 45.77 | i | 72.20 | h | ||
1953 | 47.33 | g | 46.00 | t | 53.50 | y | 55.80 | y | 60.46 | g | 57.30 | g | 70.57 | a | 70.88 | e | 68.85 | j | 58.85 | r | 51.33 | o | 46.56 | v | 70.73 | j |
1954 | 39.23 | i | 44.94 | k | 47.27 | t | 51.50 | n | 60.71 | j | 59.91 | h | 66.79 | g | 66.32 | 64.69 | d | 57.23 | i | 52.48 | c | 46.11 | c | 57.40 | h | |
1955 | 42.42 | e | 42.19 | a | 42.13 | 49.13 | 56.30 | a | 64.37 | 66.11 | c | 72.40 | a | 67.43 | 57.48 | d | 44.35 | g | 41.47 | l | 56.00 | b | ||||
1956 | 40.86 | j | 38.95 | h | 45.17 | g | 61.84 | e | 69.43 | c | 60.55 | h | 74.94 | 74.48 | 68.41 | c | 54.86 | i | 49.47 | k | 43.77 | i | 69.82 | g | ||
1957 | 37.07 | d | 43.62 | d | 48.43 | h | 56.35 | d | 66.33 | g | 64.59 | h | 67.14 | c | 68.62 | b | 74.03 | a | 58.11 | c | 49.00 | l | 47.04 | h | 57.85 | e |
1958 | 47.00 | f | 49.20 | c | 50.00 | f | 55.81 | d | 69.82 | c | 75.08 | e | 82.61 | 76.55 | 67.44 | e | 61.20 | f | 45.73 | h | 49.35 | n | 68.07 | e | ||
1959 | 41.68 | f | 43.84 | c | 46.67 | d | 54.76 | a | 59.77 | a | 64.67 | 75.03 | 69.94 | 63.20 | 57.27 | a | 49.33 | c | 47.12 | n | 58.45 | b | ||||
1960 | 41.88 | e | 45.21 | e | 49.00 | a | 54.73 | d | 54.43 | a | 64.73 | 76.77 | a | 67.71 | 68.87 | 57.97 | 47.45 | a | 43.55 | 56.02 | ||||||
1961 | 48.17 | b | 44.95 | h | 48.16 | 51.00 | 60.77 | 72.43 | 77.13 | 80.20 | a | 66.23 | h | 55.97 | 45.97 | 42.29 | 58.21 | b | ||||||||
1962 | 43.16 | 46.52 | a | 47.19 | 55.07 | a | 55.84 | 67.11 | b | 71.68 | 69.13 | a | 70.34 | a | 59.52 | b | 50.40 | 47.65 | 56.97 | |||||||
1963 | 41.07 | c | 53.71 | 49.32 | 52.73 | 64.20 | a | 67.38 | a | 66.81 | 73.87 | a | 75.77 | h | 58.29 | n | 46.33 | o | 47.06 | m | 58.64 | d | ||||
1964 | 43.90 | j | 47.31 | c | 47.40 | a | 53.73 | 60.47 | a | 63.61 | b | 66.97 | 67.10 | b | 65.93 | 60.76 | b | 45.72 | a | 37.62 | b | 56.06 | a | |||
1965 | ----- | z | 45.25 | 55.24 | b | 56.07 | 58.62 | b | 68.73 | 74.83 | a | 74.00 | 68.30 | 60.84 | 49.36 | e | 41.28 | b | 59.32 | a | ||||||
1966 | 42.35 | 45.96 | 48.81 | 56.27 | 62.35 | 63.90 | 69.47 | a | 72.65 | 69.83 | 58.03 | 49.75 | f | ----- | z | 58.96 | b | |||||||||
1967 | 43.00 | i | 46.18 | 44.84 | 52.04 | e | 59.86 | b | 74.44 | c | 73.90 | 82.61 | c | 74.47 | 55.71 | 49.52 | a | 40.10 | j | 61.36 | b | |||||
1968 | 43.73 | a | 53.35 | i | 49.43 | j | 51.93 | 61.87 | a | 65.03 | 76.00 | 69.87 | 67.57 | 54.06 | 47.83 | 39.79 | b | 57.77 | b | |||||||
1969 | 33.43 | c | 42.21 | 51.55 | 52.34 | a | 65.33 | a | 72.21 | a | 72.55 | b | 68.26 | 67.00 | a | 58.94 | 51.11 | c | 44.41 | d | 56.61 | |||||
1970 | 42.29 | 51.44 | a | 52.67 | a | 49.80 | 59.57 | a | 72.07 | 72.84 | 74.13 | 65.03 | a | 56.58 | 46.69 | a | 39.22 | d | 56.86 | |||||||
1971 | 38.77 | i | 43.62 | b | 44.77 | a | 54.97 | 61.52 | 60.17 | a | 75.65 | 75.68 | 65.10 | 56.81 | 46.59 | c | 38.29 | 56.65 | a | |||||||
1972 | 36.77 | 44.31 | 49.26 | 49.48 | e | 68.32 | 66.37 | 75.23 | 77.45 | 67.30 | 61.84 | 48.20 | 40.53 | a | 57.09 | |||||||||||
1973 | 42.23 | 48.46 | 49.45 | b | 57.07 | a | ----- | z | ----- | z | ----- | z | 68.97 | b | 70.96 | b | 57.89 | m | 46.30 | t | ----- | z | 56.19 | f | ||
1974 | ----- | z | 44.93 | 50.39 | 53.10 | 54.45 | 70.68 | b | 67.83 | m | 73.64 | f | 77.31 | a | 62.43 | a | 49.20 | 44.68 | 56.35 | c | ||||||
1975 | 41.13 | a | 43.14 | 48.97 | 53.70 | 64.00 | 68.14 | b | 75.57 | a | 66.73 | a | 73.86 | a | 56.00 | i | 47.96 | c | 46.16 | f | 58.32 | b | ||||
1976 | 45.78 | d | 45.24 | 46.24 | b | 57.37 | 62.76 | b | 64.83 | a | 71.33 | a | 68.10 | 71.47 | 62.96 | d | 53.24 | a | 48.92 | e | 58.19 | |||||
1977 | 44.50 | q | 52.47 | k | 48.36 | c | 59.31 | a | 58.97 | 67.45 | a | 70.03 | a | 79.10 | a | 64.70 | 59.77 | a | 46.61 | g | 43.58 | 61.25 | c | |||
1978 | 44.74 | 48.07 | a | 53.42 | 54.80 | 59.45 | 72.00 | 76.24 | b | ----- | z | 63.27 | 63.37 | a | 44.43 | b | 39.31 | b | 56.28 | a | ||||||
1979 | 39.06 | 41.50 | 53.26 | 53.27 | 61.80 | a | 66.36 | b | 72.70 | a | 71.61 | 70.77 | 62.61 | 48.83 | 46.06 | 57.32 | ||||||||||
1980 | 38.19 | 46.66 | ----- | z | 58.83 | ----- | z | ----- | z | ----- | z | ----- | z | 66.03 | 62.23 | 47.42 | f | 45.26 | 52.87 | f | ||||||
1981 | 47.45 | 48.54 | 54.97 | 55.31 | a | 62.10 | k | ----- | z | 72.48 | b | 78.77 | 68.80 | 59.71 | 50.07 | ----- | z | 59.57 | c | |||||||
1982 | 40.87 | a | 45.59 | a | 50.24 | b | 52.83 | a | 61.23 | 73.11 | b | 68.87 | a | 71.23 | a | 70.40 | 58.13 | 45.54 | b | 43.48 | 56.79 | |||||
1983 | 47.29 | 48.96 | 54.10 | 58.90 | 66.52 | 64.00 | 68.87 | 73.68 | 65.43 | 56.79 | b | 48.80 | ----- | z | 59.39 | a | ||||||||||
1984 | 46.60 | a | 49.76 | 53.16 | 54.07 | 57.42 | g | 63.47 | 73.16 | 72.50 | a | 66.20 | e | 55.42 | 46.80 | 39.79 | c | 56.45 | a | |||||||
1985 | 44.07 | a | 44.11 | 49.50 | c | 54.63 | 61.97 | 67.20 | 80.03 | 75.87 | a | 65.97 | 55.19 | d | 40.00 | d | 44.80 | p | 58.05 | a | ||||||
1986 | 47.52 | h | 46.18 | 54.19 | 51.97 | a | 61.55 | b | 72.60 | 67.47 | a | 80.90 | 66.47 | 67.05 | k | 48.70 | 45.48 | b | 59.55 | b | ||||||
1987 | 43.04 | f | 49.00 | 52.29 | 57.14 | b | 63.73 | a | 69.68 | b | 70.45 | 77.40 | a | 75.03 | a | 67.29 | 54.54 | q | 41.74 | 62.38 | b | |||||
1988 | 42.52 | 49.43 | a | 50.61 | 57.17 | a | 61.10 | a | 65.30 | 72.13 | 74.33 | a | 72.62 | a | 59.32 | c | 45.93 | 43.39 | 57.82 | |||||||
1989 | 40.84 | 42.23 | f | 44.48 | 59.48 | a | 64.17 | b | 71.59 | a | 68.48 | 71.45 | 76.90 | a | 57.56 | d | 48.97 | a | 47.57 | q | 60.39 | b | ||||
1990 | 44.52 | b | 44.43 | 53.93 | a | 58.77 | 61.57 | a | 63.83 | 77.74 | 76.03 | 74.37 | 55.48 | 49.07 | 40.82 | i | 59.98 | a | ||||||||
1991 | 43.03 | 53.79 | 50.45 | 56.57 | 59.68 | 63.83 | 72.60 | a | 72.97 | 74.59 | a | 63.39 | c | 49.20 | e | 46.24 | b | 58.86 | ||||||||
1992 | 48.57 | h | 51.21 | a | 60.07 | b | 59.75 | j | 68.84 | 72.89 | c | 75.07 | b | 77.26 | 67.13 | 59.71 | 47.10 | 38.61 | 61.79 | b | ||||||
1993 | 40.27 | e | 47.39 | 53.06 | 52.83 | a | 65.55 | b | 64.73 | 66.42 | 74.68 | 74.33 | 64.53 | a | 47.40 | 43.94 | 57.93 | |||||||||
1994 | 48.29 | 44.29 | 54.87 | 58.78 | c | 65.00 | 64.60 | 74.03 | a | 72.84 | 72.76 | a | 58.90 | b | 47.45 | a | 48.11 | c | 59.16 | |||||||
1995 | 52.87 | 51.93 | 54.48 | 58.04 | b | 68.45 | 69.03 | 74.39 | 68.50 | a | 75.56 | c | 57.84 | 52.85 | j | 44.00 | p | 63.11 | b | |||||||
1996 | 43.10 | k | 50.88 | e | 53.88 | g | 58.04 | e | 56.50 | c | 64.75 | f | 75.83 | m | 80.56 | o | 65.80 | 56.62 | b | 47.74 | c | 40.21 | l | 55.93 | f | |
1997 | 42.79 | c | 48.21 | 47.61 | 55.27 | 64.24 | b | 62.54 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.44 | f | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.16 | 46.88 | 50.70 | 55.20 | 62.23 | 67.69 | 73.21 | 73.13 | 69.89 | 59.77 | 48.57 | 43.60 | 57.50 | |||||||||||||
S.D. | 4.02 | 3.22 | 3.73 | 3.10 | 3.88 | 3.79 | 3.89 | 4.00 | 3.88 | 3.33 | 2.90 | 3.28 | 0.91 | |||||||||||||
SKEW | -0.22 | 0.29 | 0.13 | -0.01 | 0.05 | 0.22 | 0.09 | 0.32 | 0.08 | 0.53 | -0.04 | -0.20 | 0.32 | |||||||||||||
MAX | 52.87 | 53.79 | 60.07 | 61.84 | 69.82 | 75.08 | 82.61 | 82.61 | 77.31 | 67.76 | 54.42 | 49.10 | 59.16 | |||||||||||||
MIN | 33.43 | 41.50 | 42.13 | 49.13 | 54.43 | 60.17 | 66.11 | 66.32 | 63.20 | 54.06 | 40.00 | 37.62 | 56.02 | |||||||||||||
YRS | 38 | 44 | 43 | 45 | 42 | 43 | 50 | 50 | 48 | 43 | 38 | 31 | 13 |