YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | 20.17 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | 47.68 | 52.25 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.68 | k | |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | 25.23 | 36.02 | 42.53 | 54.17 | 63.69 | 70.25 | 75.03 | 73.65 | ----- | z | 53.32 | ----- | z | ----- | z | 54.88 | c | |||||||||
1938 | 28.45 | 35.71 | 42.60 | a | 50.50 | a | 57.27 | a | 66.93 | 70.39 | 72.13 | 62.18 | 51.45 | 32.53 | 31.13 | 50.11 | ||||||||||
1939 | 27.07 | a | 22.85 | a | 40.60 | a | 51.00 | a | 59.63 | 67.86 | a | 71.72 | a | 68.77 | 63.84 | a | 49.06 | 38.32 | 32.32 | 49.42 | ||||||
1940 | 27.81 | 33.07 | 43.21 | 49.35 | 59.15 | 67.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.30 | a | 44.29 | e | ||||||
1941 | 28.27 | a | 36.05 | 39.42 | 44.90 | ----- | z | ----- | z | ----- | z | ----- | z | 59.48 | 49.10 | a | ----- | z | 30.13 | 41.05 | e | |||||
1942 | 27.31 | 29.35 | b | 36.62 | a | 49.23 | 55.28 | a | 65.86 | a | 70.45 | 67.73 | 59.23 | 48.94 | 38.97 | 31.76 | 48.39 | |||||||||
1943 | 29.69 | 35.16 | 40.84 | 52.62 | 58.27 | 66.50 | 71.18 | 71.52 | 60.05 | a | 47.26 | 36.15 | 23.60 | 49.40 | ||||||||||||
1944 | 21.11 | 32.66 | 38.15 | a | 46.48 | a | 56.10 | 66.43 | 71.63 | a | 70.69 | 63.23 | 54.15 | 39.83 | 32.35 | 49.40 | ||||||||||
1945 | 31.69 | 38.57 | 40.97 | 47.68 | 59.44 | 64.60 | 72.13 | 72.61 | 64.35 | 53.68 | 38.92 | 28.50 | 51.09 | |||||||||||||
1946 | 28.97 | 33.85 | a | 43.18 | 55.35 | 57.18 | a | 70.05 | 72.97 | 70.16 | 64.48 | 50.15 | 36.93 | 34.61 | 51.49 | |||||||||||
1947 | 26.76 | 36.68 | 41.95 | 49.28 | 60.31 | 66.13 | 73.89 | m | 70.53 | 65.33 | 54.85 | 34.25 | 28.50 | 48.60 | a | |||||||||||
1948 | 27.10 | 32.95 | a | 36.80 | a | 52.22 | a | 59.60 | a | 67.03 | a | 72.35 | 69.98 | a | 64.81 | a | 52.03 | 35.68 | 32.66 | 50.27 | ||||||
1949 | 25.21 | 31.21 | 42.66 | 50.28 | 59.38 | c | 66.03 | 71.66 | 70.42 | 65.60 | 50.73 | 43.87 | 29.19 | 50.52 | ||||||||||||
1950 | 31.44 | 39.59 | 43.85 | 53.58 | 58.34 | b | 67.59 | a | 69.17 | a | 69.14 | b | 61.65 | 58.50 | 41.20 | 34.50 | 52.38 | |||||||||
1951 | 29.33 | a | 33.82 | 40.90 | 48.57 | 59.10 | 66.30 | 75.29 | 69.57 | c | 64.43 | 51.00 | a | 36.30 | 30.15 | 50.40 | ||||||||||
1952 | 33.29 | 34.34 | 37.66 | 49.14 | a | 57.34 | c | 68.62 | a | 70.94 | 71.10 | 64.71 | b | 53.82 | 33.80 | 26.35 | 50.09 | |||||||||
1953 | 35.18 | 32.70 | 43.32 | 49.70 | 54.16 | b | 69.26 | a | 72.95 | a | 69.08 | a | 64.38 | 51.97 | 40.30 | 26.53 | 50.79 | |||||||||
1954 | 31.06 | 40.82 | 39.55 | 53.84 | b | 58.34 | 67.12 | 72.14 | b | 67.80 | a | 64.09 | b | 53.58 | 39.70 | t | 32.32 | n | 54.83 | b | ||||||
1955 | 24.70 | i | 27.45 | 39.35 | a | 46.73 | 55.24 | 63.29 | b | 69.11 | c | 68.05 | 64.80 | 53.26 | 38.18 | 33.10 | 50.78 | a | ||||||||
1956 | 34.08 | a | 29.43 | 42.06 | 48.22 | 60.63 | 69.92 | 70.48 | 67.63 | 65.26 | a | 52.15 | 33.48 | 29.23 | 50.21 | |||||||||||
1957 | 32.97 | 42.02 | 41.85 | 47.15 | 54.45 | 67.33 | 72.27 | 68.40 | 61.55 | 49.98 | 33.62 | 32.90 | 50.38 | |||||||||||||
1958 | 30.86 | m | 39.61 | j | 37.32 | 47.22 | 61.10 | 69.71 | a | 71.63 | 71.02 | a | 61.97 | 51.06 | 40.23 | 34.90 | 54.62 | b | ||||||||
1959 | 29.69 | 33.98 | 40.19 | 50.40 | a | 56.79 | 68.05 | a | 70.53 | 68.57 | c | 61.70 | e | 50.18 | 37.48 | 32.63 | 50.02 | |||||||||
1960 | 25.31 | 30.00 | 43.06 | 50.93 | 56.38 | a | 68.17 | a | 70.69 | 69.81 | 64.36 | b | 49.87 | 40.23 | 26.77 | 49.63 | ||||||||||
1961 | 26.20 | a | 35.16 | 41.90 | 47.56 | c | 58.98 | c | 67.46 | b | 71.47 | b | 69.07 | a | 58.80 | 50.70 | a | 36.58 | 27.71 | 49.30 | ||||||
1962 | 25.95 | 38.54 | 36.66 | 53.23 | 58.79 | 66.87 | 71.16 | o | 71.00 | r | 62.67 | 52.39 | 41.70 | 33.26 | 47.01 | b | ||||||||||
1963 | 23.87 | 35.14 | 42.24 | 50.37 | 60.61 | 66.88 | 73.76 | 69.85 | 64.97 | 56.87 | 40.88 | a | 30.00 | 51.29 | ||||||||||||
1964 | 26.81 | 25.79 | 37.32 | 47.52 | 58.81 | 66.75 | 73.16 | 69.63 | 63.90 | 53.26 | 38.63 | 29.00 | 49.21 | |||||||||||||
1965 | 31.97 | 32.64 | 38.05 | 49.52 | d | 56.53 | 64.75 | b | 72.29 | 67.82 | 60.30 | 52.45 | 42.48 | 31.26 | 50.01 | |||||||||||
1966 | 25.60 | 29.39 | 42.21 | ----- | z | 60.45 | a | 66.16 | a | 75.38 | a | 69.45 | l | 63.69 | q | 51.48 | 42.26 | a | 29.44 | 46.93 | c | |||||
1967 | 27.35 | 36.20 | a | 46.60 | a | 51.42 | 57.67 | a | 65.68 | 71.71 | 67.12 | b | 62.64 | e | 53.08 | 41.95 | 24.48 | 50.49 | ||||||||
1968 | 27.18 | a | 36.13 | c | 41.50 | c | 46.71 | d | 55.35 | g | 66.82 | b | 68.62 | a | 66.22 | b | 61.70 | 54.71 | b | 37.62 | 23.90 | g | 50.72 | b | ||
1969 | 33.13 | h | 33.79 | 37.27 | i | 50.59 | m | 66.40 | p | 65.93 | 73.68 | 71.82 | 62.90 | e | 48.50 | a | 42.59 | s | 32.70 | a | 55.62 | e | ||||
1970 | 29.16 | 37.46 | 38.48 | a | 46.38 | 59.35 | a | 64.84 | a | 71.88 | a | 70.61 | 60.83 | 46.79 | 38.18 | 30.11 | 49.51 | |||||||||
1971 | 26.82 | 34.46 | a | 41.77 | 48.22 | 56.13 | a | 67.79 | a | 72.26 | 68.48 | 61.24 | a | 48.15 | 36.52 | 26.03 | 48.99 | |||||||||
1972 | 29.24 | 36.52 | 47.89 | 51.42 | 58.79 | 66.05 | b | 71.03 | 68.84 | 62.27 | 52.79 | b | 33.77 | 29.18 | 50.65 | |||||||||||
1973 | 26.29 | 32.46 | 39.76 | 44.80 | 57.44 | 65.88 | 70.65 | 70.27 | 61.17 | 51.92 | 40.65 | 30.08 | 49.28 | |||||||||||||
1974 | 27.13 | 32.00 | 46.08 | 49.12 | 61.13 | 69.85 | 71.23 | 67.21 | 60.55 | 53.05 | 39.98 | 26.45 | 50.31 | |||||||||||||
1975 | 25.13 | 33.38 | 42.13 | 45.23 | 56.42 | 66.32 | 70.83 | a | 70.42 | 61.43 | 53.58 | a | 38.40 | 31.35 | 49.55 | |||||||||||
1976 | 29.60 | 40.55 | a | 42.88 | a | 49.72 | a | 56.40 | 68.35 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.92 | f | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.25 | 34.05 | 41.13 | 49.42 | 58.23 | 67.09 | 71.79 | 69.59 | 62.69 | 51.84 | 38.23 | 30.09 | 50.09 | |||||||||||||
S.D. | 3.00 | 4.02 | 2.70 | 2.63 | 2.07 | 1.60 | 1.59 | 1.67 | 1.92 | 2.49 | 2.95 | 2.84 | 0.85 | |||||||||||||
SKEW | 0.31 | -0.46 | 0.22 | 0.30 | 0.15 | 0.19 | 0.45 | 0.24 | -0.26 | 0.21 | -0.20 | -0.34 | 0.54 | |||||||||||||
MAX | 35.18 | 42.02 | 47.89 | 55.35 | 63.69 | 70.25 | 75.38 | 73.65 | 65.60 | 58.50 | 43.87 | 34.90 | 52.38 | |||||||||||||
MIN | 21.11 | 22.85 | 36.62 | 44.80 | 54.16 | 63.29 | 68.62 | 66.22 | 58.80 | 46.79 | 32.53 | 23.60 | 48.39 | |||||||||||||
YRS | 37 | 39 | 39 | 39 | 37 | 39 | 35 | 35 | 36 | 38 | 34 | 36 | 28 |