YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | ----- | z | 33.56 | a | 46.00 | 50.19 | c | 53.07 | b | 58.21 | a | 71.00 | a | 73.81 | 61.48 | a | 48.66 | b | 43.52 | a | 34.59 | d | 52.19 | a | ||
1940 | 30.68 | c | 33.61 | a | 43.62 | e | 45.38 | a | 58.77 | 69.18 | b | 69.72 | b | 72.26 | d | 65.22 | c | 49.20 | a | ----- | z | ----- | z | 53.76 | b | |
1941 | 33.00 | q | 34.79 | 45.55 | 49.17 | 51.35 | 56.80 | 72.48 | 65.48 | 50.90 | a | 46.81 | 38.47 | 30.33 | a | 49.28 | a | |||||||||
1942 | 27.00 | 33.75 | 39.30 | a | 49.87 | 49.87 | 58.20 | 73.32 | 74.72 | b | 70.30 | 53.48 | 32.87 | 32.77 | a | 49.62 | ||||||||||
1943 | 26.58 | 40.47 | i | 37.45 | 48.60 | 48.13 | 57.54 | d | 69.52 | 65.68 | 71.03 | 65.10 | u | 42.46 | d | 31.74 | 49.87 | b | ||||||||
1944 | 30.74 | 33.38 | 37.06 | 47.23 | ----- | z | 64.72 | e | 70.71 | 66.45 | 68.65 | g | 56.81 | o | 35.17 | 29.06 | 46.06 | c | ||||||||
1945 | 30.84 | 34.58 | b | 37.26 | 40.27 | 61.75 | w | 61.92 | f | 72.71 | c | 72.91 | h | 58.43 | 66.90 | u | ----- | z | ----- | z | 45.68 | f | ||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | 44.78 | s | 47.86 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.39 | h | 47.86 | k |
1948 | ----- | z | 29.03 | 37.83 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.03 | k | |
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 | 34.97 | 35.57 | a | 35.27 | j | |
1951 | 27.16 | 32.93 | 33.90 | 50.23 | 51.80 | f | 67.69 | q | 66.81 | o | 65.09 | i | 62.39 | b | 44.42 | 34.81 | c | 27.42 | 39.16 | d | ||||||
1952 | 25.13 | 33.28 | 36.29 | 48.93 | a | 52.59 | i | 55.83 | 70.53 | a | 66.04 | c | 65.82 | b | 59.34 | b | 35.96 | b | 29.42 | 47.87 | a | |||||
1953 | 36.42 | 34.33 | a | 37.14 | b | 42.75 | f | 49.57 | h | 49.86 | i | 65.86 | b | 65.86 | b | 61.31 | a | 51.57 | c | 37.96 | b | 33.21 | b | 47.07 | c | |
1954 | 26.30 | a | 34.04 | c | 33.68 | l | 37.41 | m | 52.80 | f | 57.30 | t | 62.19 | e | 58.07 | c | 59.08 | f | 48.00 | e | 41.76 | e | 30.04 | c | 42.91 | e |
1955 | 31.73 | e | 28.77 | f | 31.11 | d | 39.93 | c | 47.50 | g | 55.44 | e | 60.58 | g | 66.93 | q | 58.85 | j | 48.50 | i | 26.06 | l | ----- | z | 39.55 | h |
1956 | 25.94 | 25.52 | 34.32 | 49.22 | g | ----- | z | ----- | z | ----- | z | ----- | z | 59.83 | g | 43.92 | g | 35.33 | 33.81 | 30.98 | g | |||||
1957 | 21.87 | 32.15 | a | 36.29 | 43.70 | 56.03 | 58.90 | 61.65 | 61.97 | 66.23 | 44.90 | 37.90 | a | 33.16 | 46.23 | |||||||||||
1958 | 30.13 | 35.43 | 36.35 | 42.60 | 61.13 | 61.63 | 73.65 | 71.50 | a | 55.87 | 51.10 | 32.63 | 34.13 | 48.85 | ||||||||||||
1959 | 29.03 | 29.93 | 35.45 | 43.10 | 47.00 | 56.17 | 68.27 | a | 62.27 | a | 49.50 | n | 47.23 | 36.33 | 30.84 | 44.15 | a | |||||||||
1960 | 25.71 | 30.48 | 38.45 | 43.70 | 46.45 | 57.77 | 72.52 | 59.48 | 59.30 | 49.48 | 34.43 | 30.06 | 45.65 | |||||||||||||
1961 | 32.48 | 33.25 | 36.65 | 39.30 | 48.48 | 66.97 | 68.74 | 73.19 | 53.87 | 44.77 | 32.10 | 29.00 | 46.57 | |||||||||||||
1962 | 29.42 | 34.29 | 34.97 | 46.37 | 44.13 | 57.47 | 64.81 | 62.61 | 62.00 | 47.71 | 35.43 | 32.65 | 45.99 | |||||||||||||
1963 | 26.42 | 39.75 | 37.35 | 39.30 | 51.68 | 54.97 | 60.13 | 66.16 | 65.53 | 47.68 | 33.30 | 31.39 | 46.14 | |||||||||||||
1964 | 29.23 | 33.86 | 32.97 | 37.97 | 45.87 | 54.23 | 64.61 | 59.45 | 53.87 | 48.48 | 33.37 | 25.63 | a | 43.30 | ||||||||||||
1965 | 29.73 | a | 31.86 | 37.90 | 44.87 | 47.58 | 58.00 | 69.77 | 63.52 | 56.13 | 51.19 | 36.70 | 28.26 | 46.29 | ||||||||||||
1966 | 28.94 | 31.54 | 36.65 | 44.40 | 52.19 | 53.90 | 62.39 | 65.16 | 62.13 | 47.90 | 36.37 | 31.74 | 46.11 | |||||||||||||
1967 | 31.10 | 33.82 | 33.39 | 39.20 | 47.94 | 60.83 | 69.74 | 75.32 | 67.47 | 45.10 | 37.43 | 29.68 | 47.58 | |||||||||||||
1968 | 29.84 | 38.52 | 39.42 | 40.00 | 50.55 | 57.10 | 70.26 | 62.23 | ----- | z | ----- | z | 33.27 | o | 24.33 | d | 45.80 | c | ||||||||
1969 | 19.61 | 28.68 | 39.06 | 40.80 | 57.03 | 65.00 | 68.52 | 71.20 | a | 57.00 | ----- | z | 33.83 | r | 29.48 | 47.64 | b | |||||||||
1970 | 27.06 | 34.39 | 34.84 | 34.30 | 54.20 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.06 | m | 26.80 | a | 35.27 | f | ||||
1971 | 31.10 | a | 32.18 | 30.77 | 39.95 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.70 | 26.48 | 30.85 | g | ||||
1972 | 25.83 | a | 31.21 | 36.26 | 36.93 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.67 | l | 25.16 | 31.08 | g | |||
1973 | 25.97 | 34.54 | 35.87 | 42.76 | a | 51.42 | 55.30 | 66.75 | c | 65.52 | f | 57.80 | 45.00 | d | 29.41 | c | 31.17 | a | 43.27 | a | ||||||
1974 | 25.45 | 31.56 | a | 34.42 | 38.53 | 44.16 | 57.07 | c | 61.68 | 66.41 | d | 64.04 | b | 52.55 | 34.37 | 31.81 | 45.17 | |||||||||
1975 | 28.65 | 28.07 | 33.26 | 37.80 | 46.84 | 51.14 | b | 67.23 | 58.73 | e | 61.90 | 42.48 | b | 32.77 | 32.26 | 43.43 | ||||||||||
1976 | 32.32 | 31.66 | 32.28 | b | 40.58 | d | 49.47 | a | 51.28 | a | 63.40 | a | 58.84 | 61.70 | 49.19 | 39.90 | a | 36.23 | a | 45.57 | ||||||
1977 | 30.63 | a | 35.36 | 33.06 | 46.52 | a | 45.65 | 61.57 | 62.38 | b | 71.72 | b | 51.86 | b | 47.38 | g | 30.64 | b | 28.90 | a | 45.30 | a | ||||
1978 | 30.20 | a | 32.71 | 39.13 | 40.24 | i | 48.42 | g | 61.46 | d | 63.70 | d | 62.00 | i | 49.19 | d | 50.90 | a | 32.39 | b | 24.64 | c | 42.70 | c | ||
1979 | 20.81 | 28.30 | a | 39.42 | 41.17 | a | 53.65 | h | 57.30 | c | 66.30 | a | 64.56 | d | 62.00 | e | 51.44 | f | 31.86 | h | 33.13 | a | 45.89 | c | ||
1980 | 24.06 | 29.93 | 33.06 | 44.97 | 48.32 | 51.15 | d | 66.59 | b | 62.85 | k | 57.14 | i | 49.00 | b | 36.10 | i | 35.92 | f | 43.39 | d | |||||
1981 | 33.03 | 32.71 | 40.19 | 40.79 | a | 49.55 | k | 51.43 | 60.07 | d | 69.80 | f | 57.89 | b | 45.68 | c | 38.92 | e | 28.84 | 42.96 | b | |||||
1982 | 28.26 | 30.04 | b | 36.10 | a | 39.07 | 47.62 | e | 59.41 | a | 64.33 | d | 68.53 | n | 57.20 | e | 46.24 | j | 30.50 | n | 29.38 | j | 45.25 | d | ||
1983 | 34.47 | a | 32.84 | c | 38.48 | 44.07 | b | 51.78 | d | 55.29 | f | 60.29 | n | 65.96 | e | 54.14 | i | 47.52 | b | 34.95 | k | 21.26 | 42.05 | d | ||
1984 | 33.23 | a | 33.93 | b | 38.07 | a | 40.03 | 44.50 | c | 54.14 | i | 71.43 | h | 66.41 | d | 53.00 | e | 40.88 | e | 31.56 | c | 26.23 | a | 40.78 | b | |
1985 | 26.48 | 28.63 | a | 36.61 | 44.36 | e | 51.16 | 58.71 | f | 76.07 | p | 65.16 | f | 52.67 | 43.50 | c | 21.18 | b | 30.33 | a | 37.21 | c | ||||
1986 | ----- | z | 32.22 | a | 41.59 | d | 39.62 | i | 49.27 | e | 63.82 | b | 59.32 | i | 77.45 | t | 52.21 | a | 52.71 | c | 37.71 | f | 28.31 | e | 45.73 | e |
1987 | 28.26 | 34.92 | b | 37.55 | 47.24 | a | 53.15 | e | 62.84 | e | 61.75 | c | 65.83 | b | 64.37 | k | 54.37 | a | 38.38 | d | 26.83 | b | 46.47 | a | ||
1988 | 26.93 | a | 34.58 | c | 36.32 | 41.97 | a | 48.81 | d | 55.21 | a | 67.77 | i | 66.86 | i | 53.19 | n | 53.10 | b | 33.81 | c | 32.16 | 40.32 | c | ||
1989 | 31.52 | 25.23 | b | 33.13 | 44.27 | 48.92 | e | 60.04 | d | 62.11 | d | 60.03 | a | 62.42 | d | 45.00 | d | 35.06 | n | 33.25 | g | 47.27 | b | |||
1990 | 30.81 | 28.63 | a | 39.32 | 46.07 | b | 44.36 | f | 52.74 | c | 70.36 | q | 68.00 | e | 61.82 | h | 41.00 | e | 34.87 | o | 24.59 | b | 41.39 | d | ||
1991 | 28.28 | b | 37.89 | a | 35.26 | 39.73 | d | 45.31 | e | 50.54 | d | 65.45 | i | 65.15 | e | 60.65 | j | 48.59 | d | 35.60 | j | 32.13 | a | 42.54 | c | |
1992 | 30.40 | a | 35.32 | a | 43.79 | g | 44.96 | c | 57.33 | d | 69.75 | j | 62.85 | d | 67.89 | m | 56.21 | f | 46.29 | g | 34.71 | m | 26.33 | a | 42.87 | f |
1993 | 22.89 | c | 28.41 | a | 36.90 | a | 39.86 | a | 56.68 | f | 52.25 | b | 52.15 | r | 63.22 | d | 59.40 | j | 52.25 | g | 35.61 | l | 29.55 | i | 40.59 | f |
1994 | 34.97 | 30.19 | a | 39.47 | a | 43.70 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.08 | h | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.62 | 32.44 | 37.06 | 42.99 | 50.15 | 57.72 | 66.73 | 65.80 | 59.70 | 48.24 | 35.19 | 29.82 | 46.18 | |||||||||||||
S.D. | 3.55 | 2.98 | 3.55 | 3.89 | 4.23 | 4.59 | 4.12 | 4.83 | 5.67 | 3.95 | 4.12 | 3.34 | 1.73 | |||||||||||||
SKEW | -0.31 | -0.19 | 0.94 | 0.13 | 0.76 | 0.48 | 0.04 | 0.34 | 0.04 | 0.39 | -0.73 | -0.32 | 0.26 | |||||||||||||
MAX | 36.42 | 39.75 | 47.86 | 50.23 | 61.13 | 69.18 | 73.65 | 75.32 | 71.03 | 59.34 | 43.52 | 36.23 | 49.62 | |||||||||||||
MIN | 19.61 | 25.23 | 30.77 | 34.30 | 44.13 | 50.54 | 60.07 | 58.07 | 49.19 | 40.88 | 21.18 | 21.26 | 43.30 | |||||||||||||
YRS | 48 | 50 | 50 | 45 | 35 | 38 | 36 | 34 | 33 | 35 | 34 | 44 | 14 |