YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | 56.27 | t | 64.50 | 72.03 | 69.42 | a | 58.63 | 50.31 | 44.56 | c | 27.60 | b | 55.29 | e | ||||
1928 | 28.32 | 31.33 | c | 43.35 | a | 46.71 | b | 61.32 | a | 62.05 | 73.05 | a | 68.48 | 61.95 | 48.84 | 35.81 | c | ----- | z | 51.02 | a | |||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | 58.15 | g | 62.25 | 73.28 | d | 73.34 | b | 55.87 | k | 50.33 | d | 34.90 | a | 35.48 | 54.93 | f | ||
1930 | 13.82 | 38.28 | a | 42.76 | 51.63 | 54.64 | x | 61.67 | 73.15 | a | 70.34 | 58.95 | 47.60 | 34.23 | 23.03 | 46.86 | a | |||||||||
1931 | 25.61 | 30.48 | 41.03 | b | 46.81 | a | 58.53 | 64.12 | 74.37 | 71.13 | 58.22 | 49.55 | 33.22 | 21.42 | 47.87 | |||||||||||
1932 | 23.76 | 23.14 | 40.16 | 46.93 | 54.61 | 64.40 | 70.53 | 67.24 | 61.40 | 49.47 | 40.52 | 22.77 | 47.08 | |||||||||||||
1933 | 25.73 | 20.82 | 38.29 | 45.63 | 49.92 | 66.55 | a | 73.81 | 70.95 | 59.98 | 53.11 | 38.73 | 39.47 | 48.58 | ||||||||||||
1934 | 36.57 | a | 39.25 | 49.69 | 55.33 | 62.15 | 63.48 | 74.21 | 72.73 | 60.52 | 52.32 | 42.22 | 29.02 | 53.12 | ||||||||||||
1935 | 25.44 | 29.66 | 37.26 | 46.78 | 54.68 | 64.72 | 71.02 | 71.11 | 63.38 | 49.13 | 31.83 | 27.48 | 47.71 | |||||||||||||
1936 | 28.97 | b | 29.52 | 39.23 | 52.72 | 61.00 | 66.72 | a | 75.71 | c | 72.87 | a | 60.47 | 52.78 | a | 33.35 | 30.05 | b | 50.28 | |||||||
1937 | 9.85 | 28.00 | 41.40 | 46.40 | a | 58.52 | 63.28 | 75.48 | 70.13 | 64.12 | 52.26 | 43.33 | 35.98 | e | 49.06 | |||||||||||
1938 | 32.58 | 35.02 | 38.88 | b | 49.42 | 55.29 | 64.97 | 73.06 | 69.81 | 65.52 | 52.32 | 34.27 | 32.79 | 50.33 | ||||||||||||
1939 | 32.29 | 30.75 | 42.66 | 52.58 | 59.44 | 62.05 | 73.98 | 72.34 | 63.57 | 50.42 | 36.60 | 36.30 | a | 51.08 | ||||||||||||
1940 | 31.03 | 37.57 | 44.48 | 50.02 | 59.74 | 69.29 | a | 72.66 | 73.09 | b | 62.19 | a | 51.94 | 35.03 | a | 31.56 | 51.55 | |||||||||
1941 | 28.97 | 34.16 | 43.19 | 48.22 | 56.74 | 61.38 | 72.60 | 68.77 | 56.43 | 50.34 | 38.93 | 34.82 | 49.55 | |||||||||||||
1942 | 22.34 | 28.37 | a | 37.02 | 49.28 | 52.13 | 59.47 | 71.71 | 70.09 | d | 61.93 | 51.74 | 38.97 | 33.81 | 48.07 | |||||||||||
1943 | 26.74 | 35.18 | 39.55 | 52.03 | 51.89 | 57.35 | 70.32 | 68.48 | 66.04 | c | 51.45 | 37.67 | 30.79 | 48.96 | ||||||||||||
1944 | 20.45 | 31.97 | 38.58 | 47.40 | 55.61 | 59.10 | 69.31 | 68.29 | 62.17 | 53.66 | 35.20 | 26.85 | a | 47.38 | ||||||||||||
1945 | 29.05 | 35.62 | 37.56 | 45.42 | 54.55 | 59.38 | 72.82 | 70.00 | 59.14 | a | 52.26 | 37.02 | 28.42 | 48.44 | ||||||||||||
1946 | 26.16 | 32.00 | 41.77 | 50.28 | 55.23 | 61.92 | 71.63 | 70.73 | 59.02 | 44.84 | 36.93 | 34.26 | 48.73 | |||||||||||||
1947 | 24.19 | 37.07 | a | 43.23 | 47.40 | a | 60.65 | 59.47 | a | 71.74 | 68.82 | 61.78 | a | 51.68 | 37.02 | 30.94 | 49.50 | |||||||||
1948 | 31.48 | 32.14 | 37.30 | a | 45.82 | 54.55 | 64.95 | 70.19 | 68.62 | a | 60.45 | 50.42 | 37.78 | 24.86 | c | 48.21 | ||||||||||
1949 | 6.13 | 32.12 | b | 41.83 | a | 52.28 | 57.11 | v | 65.45 | 74.05 | 71.71 | 64.13 | 45.92 | 42.87 | d | 31.21 | 47.97 | a | ||||||||
1950 | 22.85 | 28.71 | 39.03 | 48.03 | 53.53 | a | 62.09 | a | 73.83 | b | 72.38 | a | 63.16 | a | 55.30 | c | 41.00 | d | 37.25 | c | 49.76 | |||||
1951 | 29.63 | d | 35.38 | d | 36.15 | a | 51.23 | f | 57.22 | a | 62.45 | a | 74.48 | b | 71.40 | a | 64.38 | b | 47.29 | e | 35.80 | c | 29.74 | f | 51.42 | b |
1952 | 22.25 | c | 25.71 | a | 34.91 | b | 51.10 | f | 57.02 | e | 62.62 | e | 72.38 | b | 71.24 | f | 64.50 | e | 54.43 | c | 32.88 | 31.30 | a | 45.80 | b | |
1953 | 38.39 | c | 37.78 | a | 40.95 | a | 46.27 | 51.38 | b | 58.25 | d | 72.14 | c | 69.92 | f | 65.50 | b | 50.76 | d | 42.10 | d | 33.88 | e | 48.85 | a | |
1954 | 35.05 | a | 38.06 | b | 38.13 | 49.04 | d | 59.25 | a | 58.26 | a | 72.69 | 67.68 | 61.33 | 49.86 | f | 42.33 | 28.37 | e | 50.02 | a | |||||
1955 | 24.98 | a | 29.14 | 36.44 | 42.32 | b | 53.50 | 65.86 | a | 70.83 | a | 73.45 | 61.78 | 52.58 | 35.75 | 34.26 | b | 48.41 | ||||||||
1956 | 28.72 | b | 25.48 | a | 40.85 | e | 49.92 | 58.61 | 62.83 | a | 72.93 | a | 68.91 | c | 62.92 | 48.79 | b | 36.88 | b | 31.07 | a | 48.99 | ||||
1957 | 15.83 | a | 30.13 | a | 41.66 | b | 47.00 | b | 55.69 | b | 64.12 | a | 70.74 | d | 67.75 | c | 62.87 | c | 46.96 | d | 33.86 | b | 33.04 | d | 47.47 | |
1958 | 30.40 | a | 39.77 | b | 36.43 | a | 44.75 | d | 62.95 | c | 63.02 | b | 71.86 | b | 73.92 | a | 60.83 | 52.63 | 44.58 | l | 33.93 | q | 53.66 | b | ||
1959 | 33.06 | e | 36.03 | j | 39.17 | h | 49.78 | c | 49.86 | b | 67.17 | 74.27 | 69.58 | 58.46 | b | 50.77 | c | 36.87 | g | 26.57 | a | 53.28 | c | |||
1960 | 21.32 | 30.20 | a | 40.81 | d | 47.31 | a | 51.57 | b | 65.91 | b | 75.70 | d | 67.19 | d | 63.27 | d | 49.38 | c | 35.67 | d | 27.67 | g | 49.85 | a | |
1961 | 29.20 | a | 39.48 | a | 40.12 | b | 45.48 | f | 54.44 | d | 70.43 | a | 73.36 | b | 72.91 | h | 54.88 | f | 48.55 | 35.04 | d | 29.54 | h | 48.83 | d | |
1962 | 19.97 | 27.89 | f | 36.70 | a | 49.98 | b | 52.83 | d | 63.77 | b | 69.35 | 70.64 | i | 63.25 | h | 49.58 | a | 39.82 | h | 34.67 | h | 48.88 | e | ||
1963 | 24.15 | 40.77 | d | 39.28 | h | 42.67 | f | 56.95 | b | 60.23 | 67.18 | a | 69.40 | a | 64.37 | d | 53.35 | g | 39.96 | b | 26.80 | i | 52.88 | d | ||
1964 | 29.43 | j | 29.14 | 34.56 | f | 41.14 | h | 51.02 | e | 60.74 | a | 71.52 | e | 67.10 | e | 57.86 | b | 52.96 | h | 34.76 | g | 33.04 | c | 52.92 | e | |
1965 | 28.74 | 35.46 | a | 36.15 | a | 47.94 | e | 51.26 | h | 62.16 | a | 68.56 | 67.40 | 55.48 | 52.48 | b | 41.42 | 26.90 | 47.52 | a | ||||||
1966 | 32.32 | 34.00 | a | 41.13 | a | 46.31 | d | 58.39 | 60.93 | 69.79 | 70.02 | 63.58 | 55.17 | y | ----- | z | ----- | z | 52.94 | c | ||||||
1967 | ----- | z | ----- | z | ----- | z | 38.79 | m | 53.63 | a | 61.33 | 74.13 | 74.08 | 66.32 | ----- | z | ----- | z | ----- | z | 65.90 | g | ||||
1968 | ----- | z | ----- | z | ----- | z | 42.67 | l | 54.38 | a | 65.09 | a | 74.10 | 66.24 | 66.73 | q | ----- | z | ----- | z | ----- | z | 64.95 | h | ||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 58.05 | a | 63.50 | 71.29 | 70.42 | 62.78 | ----- | z | ----- | z | ----- | z | 65.21 | g | ||||
1970 | ----- | z | ----- | z | ----- | z | 40.26 | c | 54.21 | 69.80 | t | 72.23 | 71.71 | 56.88 | b | ----- | z | ----- | z | ----- | z | 59.06 | g | |||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 54.94 | 60.05 | a | 70.60 | 74.60 | a | 57.00 | b | ----- | z | ----- | z | ----- | z | 63.44 | g | ||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | 55.71 | 65.20 | 70.63 | a | 72.46 | e | 56.25 | ----- | z | ----- | z | ----- | z | 64.05 | g | |||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | 56.32 | 63.83 | a | 72.36 | b | 71.34 | f | 63.86 | p | ----- | z | ----- | z | ----- | z | 64.17 | i | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | 51.32 | 68.90 | d | 69.52 | 68.62 | a | 62.58 | ----- | z | ----- | z | ----- | z | 64.19 | g | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.12 | 32.55 | 39.96 | 48.18 | 55.80 | 63.13 | 72.23 | 70.30 | 61.44 | 50.62 | 37.53 | 30.77 | 49.10 | |||||||||||||
S.D. | 6.90 | 4.87 | 3.02 | 3.04 | 3.34 | 2.92 | 1.90 | 2.17 | 2.84 | 2.34 | 3.39 | 4.41 | 1.48 | |||||||||||||
SKEW | -0.91 | -0.28 | 0.80 | -0.08 | 0.22 | 0.28 | -0.33 | 0.17 | -0.34 | -0.41 | 0.39 | -0.27 | 1.00 | |||||||||||||
MAX | 38.39 | 40.77 | 49.69 | 55.33 | 62.95 | 70.43 | 75.71 | 74.60 | 66.32 | 55.30 | 44.56 | 39.47 | 53.12 | |||||||||||||
MIN | 6.13 | 20.82 | 34.91 | 40.26 | 49.86 | 57.35 | 67.18 | 66.24 | 55.48 | 44.84 | 31.83 | 21.42 | 47.08 | |||||||||||||
YRS | 37 | 36 | 35 | 34 | 43 | 47 | 48 | 43 | 43 | 36 | 35 | 32 | 22 |