YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1922 | ----- | z | 17.77 | 26.47 | 36.55 | a | 48.55 | 59.91 | c | 64.79 | g | 65.34 | i | 56.21 | k | 42.11 | c | ----- | z | 20.95 | j | 38.56 | f | |||
1923 | 21.68 | 12.98 | e | 19.56 | 38.73 | 50.35 | 57.25 | 66.58 | 62.42 | 53.65 | 38.63 | 31.03 | 14.23 | 38.92 | ||||||||||||
1924 | 10.29 | 25.26 | 22.21 | 37.25 | 47.39 | 57.93 | 63.62 | b | 61.77 | 52.20 | 43.34 | 25.10 | 8.13 | l | 40.58 | a | ||||||||||
1925 | 13.33 | g | 23.52 | 31.79 | 43.15 | 51.35 | 56.68 | 64.02 | 61.19 | b | 54.92 | d | 42.63 | 30.18 | 22.07 | a | 43.77 | a | ||||||||
1926 | 12.65 | 23.77 | 29.13 | 44.78 | 51.17 | a | 60.25 | 63.82 | a | 63.82 | 52.81 | f | 44.77 | a | 33.62 | 18.53 | 40.57 | a | ||||||||
1927 | 19.84 | 22.25 | 28.50 | 40.78 | 48.94 | 58.15 | 64.90 | 61.02 | 52.37 | 41.31 | b | 30.46 | e | 9.40 | 39.83 | |||||||||||
1928 | 17.56 | 18.90 | 33.30 | a | 38.13 | 51.45 | 53.37 | 63.71 | b | 60.19 | 54.15 | 44.42 | 32.08 | 12.61 | 39.99 | |||||||||||
1929 | 15.65 | 11.73 | 26.42 | 36.32 | 47.57 | a | 54.98 | 63.15 | r | 65.03 | 52.77 | 42.94 | 23.77 | 25.35 | a | 36.59 | a | |||||||||
1930 | 8.74 | 28.07 | h | 31.27 | c | 47.12 | d | 46.60 | f | 59.00 | d | 67.62 | e | 63.27 | c | 53.62 | 41.40 | 24.65 | 6.63 | 40.33 | b | |||||
1931 | 11.37 | 23.23 | 25.93 | a | 40.90 | a | 48.02 | 62.14 | a | 67.87 | 62.92 | 56.87 | 46.40 | 26.22 | 13.50 | 40.45 | ||||||||||
1932 | 11.03 | 20.93 | 23.24 | 41.29 | b | 51.05 | 56.47 | 64.40 | 63.18 | 53.78 | 41.94 | 33.43 | 9.10 | 39.15 | ||||||||||||
1933 | 16.56 | 11.04 | 31.97 | 36.23 | 45.18 | 62.23 | 66.52 | 61.85 | 57.82 | 47.31 | 33.17 | 28.82 | 41.56 | |||||||||||||
1934 | 22.10 | 31.41 | 39.17 | a | 48.86 | b | 59.29 | 59.30 | 67.74 | 65.48 | 52.63 | 47.77 | 34.00 | 21.89 | 45.80 | |||||||||||
1935 | 24.13 | 26.25 | 31.40 | 40.98 | 47.32 | 59.08 | 66.21 | 64.84 | 56.18 | 42.74 | 30.53 | 23.66 | 42.78 | |||||||||||||
1936 | 14.71 | 20.71 | 27.15 | ----- | z | 52.06 | 61.05 | 67.53 | 64.81 | 47.95 | 42.31 | 30.10 | 21.21 | 40.87 | a | |||||||||||
1937 | 4.63 | 20.39 | 27.23 | 38.83 | 51.26 | 58.58 | 65.34 | 64.06 | 57.15 | 46.60 | 32.80 | 26.21 | 41.09 | |||||||||||||
1938 | 22.52 | a | 26.82 | 32.16 | 42.83 | 48.73 | 60.68 | 63.98 | 64.68 | 57.93 | 47.26 | 24.70 | 21.87 | 42.85 | ||||||||||||
1939 | 19.76 | 12.70 | 32.31 | 45.37 | 52.48 | 56.58 | 66.10 | 62.60 | 56.85 | 43.95 | 35.60 | a | 27.76 | 42.67 | ||||||||||||
1940 | 19.03 | 25.78 | 36.50 | 43.17 | 53.32 | 62.18 | 67.27 | 65.56 | 58.95 | 46.06 | 27.27 | 23.03 | 44.01 | |||||||||||||
1941 | 19.65 | 26.39 | 34.23 | 38.67 | 53.23 | 56.85 | 64.73 | 63.37 | 52.43 | ----- | z | 33.62 | 26.15 | 42.66 | a | |||||||||||
1942 | 15.63 | 16.12 | 26.18 | 44.12 | 47.81 | 57.40 | 65.18 | 62.63 | 53.73 | 43.65 | 33.95 | 25.34 | 40.98 | |||||||||||||
1943 | 22.44 | 25.57 | 30.23 | 48.47 | 48.60 | 57.25 | 65.00 | a | 64.63 | 54.35 | 45.16 | 31.31 | a | 23.39 | 43.03 | |||||||||||
1944 | 13.05 | 20.31 | 28.50 | 39.83 | 51.61 | 56.27 | 63.32 | 62.13 | 54.55 | 45.40 | 32.50 | 21.62 | b | 40.76 | ||||||||||||
1945 | 22.15 | 27.38 | 29.52 | 36.70 | 51.77 | 53.35 | 64.10 | 63.02 | 51.58 | 44.52 | 29.38 | 20.13 | 41.13 | |||||||||||||
1946 | 17.60 | 22.68 | 35.98 | 46.78 | 47.21 | 59.98 | 66.63 | 63.18 | 54.20 | 41.37 | 31.07 | 29.69 | 43.03 | |||||||||||||
1947 | 16.11 | 23.55 | 32.06 | 40.77 | 52.45 | 54.07 | 65.19 | 63.44 | 55.67 | 47.31 | 26.37 | 19.42 | 41.37 | |||||||||||||
1948 | 15.98 | 20.19 | 24.97 | 42.67 | 51.53 | 58.87 | 64.42 | 63.05 | 57.25 | 42.77 | 24.40 | 20.40 | 40.54 | |||||||||||||
1949 | 6.29 | 16.29 | 33.32 | 45.07 | a | 50.68 | a | 57.07 | a | 63.82 | l | 62.36 | b | 54.02 | 39.45 | 36.10 | 21.98 | 38.42 | a | |||||||
1950 | 18.26 | 24.55 | 31.23 | 41.93 | 45.69 | 55.98 | a | 60.24 | 59.22 | a | 52.43 | a | 47.76 | 34.05 | 28.48 | 41.65 | ||||||||||
1951 | 16.39 | 26.00 | 30.92 | 40.69 | d | 51.50 | a | 54.92 | e | 64.94 | 61.87 | 53.03 | 42.58 | 26.82 | 20.15 | 40.82 | ||||||||||
1952 | 13.94 | 14.95 | 22.67 | a | 40.33 | 50.35 | 60.15 | 63.24 | 61.55 | 55.45 | 45.21 | 24.10 | 19.31 | 39.27 | ||||||||||||
1953 | 27.29 | 21.61 | 33.47 | 37.95 | 46.21 | 58.76 | c | 66.39 | c | 62.03 | 55.16 | a | 44.53 | 35.68 | 20.34 | 42.45 | ||||||||||
1954 | 25.40 | 29.98 | 29.87 | 44.57 | a | 52.97 | 57.97 | 67.90 | 62.26 | 56.63 | 44.16 | 33.85 | 21.82 | 43.95 | ||||||||||||
1955 | 16.21 | 16.93 | 26.37 | 39.52 | 50.13 | 57.52 | b | 65.74 | 64.56 | 55.10 | 41.90 | k | 27.72 | 27.13 | 40.63 | a | ||||||||||
1956 | 25.42 | 12.81 | 29.06 | 42.60 | 53.42 | 61.67 | 63.40 | 60.29 | 55.10 | 46.03 | b | 25.03 | 15.15 | 40.83 | ||||||||||||
1957 | 13.18 | 26.23 | 32.73 | a | 43.35 | 49.93 | h | 61.76 | m | 64.73 | 63.84 | 52.57 | a | 44.69 | b | 26.60 | 25.40 | a | 39.33 | b | ||||||
1958 | 18.89 | 30.52 | b | 28.98 | 39.05 | 53.79 | b | 60.35 | 62.82 | a | 65.78 | a | 54.56 | d | 44.03 | 33.48 | b | 29.27 | a | 43.46 | ||||||
1959 | 24.57 | b | 25.88 | 30.37 | 41.20 | 50.11 | 61.76 | a | 64.85 | a | 63.13 | a | 52.80 | 42.02 | b | 30.97 | 24.13 | 42.65 | ||||||||
1960 | 18.45 | 14.53 | 30.21 | 43.37 | 48.97 | a | 59.53 | 66.03 | a | 62.00 | b | 56.30 | b | 44.24 | 31.13 | 21.92 | 41.39 | |||||||||
1961 | 18.47 | 26.88 | 32.45 | 40.88 | 51.98 | 63.12 | 66.26 | 67.03 | 49.03 | 41.74 | 27.52 | a | 19.23 | a | 42.05 | |||||||||||
1962 | 9.73 | a | 23.36 | 24.75 | a | 44.25 | 50.42 | 58.43 | 62.95 | 61.40 | 55.97 | a | 44.61 | 34.32 | 21.44 | 40.97 | ||||||||||
1963 | 10.61 | 28.07 | a | 27.31 | 39.85 | 52.68 | a | 58.15 | 66.90 | 64.61 | 58.38 | 49.45 | 29.88 | 15.02 | a | 41.74 | ||||||||||
1964 | 12.70 | a | 10.76 | 18.76 | 42.62 | b | 55.16 | b | 58.73 | 69.35 | a | 60.40 | b | 50.97 | 42.79 | 31.61 | l | 17.23 | a | 39.95 | a | |||||
1965 | 18.31 | e | 18.88 | b | 21.45 | b | 43.48 | 49.15 | 57.47 | 65.39 | 63.50 | a | 48.32 | k | ----- | z | 36.80 | 20.92 | 39.53 | b | ||||||
1966 | 15.90 | 17.57 | 31.07 | b | 40.58 | 52.13 | a | 57.47 | 66.28 | b | 61.39 | 56.55 | 39.90 | 34.05 | a | 17.70 | a | 40.88 | ||||||||
1967 | 20.97 | 21.70 | 35.66 | c | 40.60 | a | 48.16 | 54.93 | a | 65.22 | a | 63.48 | 55.17 | 44.43 | a | 30.75 | 13.52 | a | 41.22 | |||||||
1968 | 15.37 | a | 22.76 | d | 30.26 | b | 35.24 | c | 47.73 | a | 58.22 | 64.88 | a | 59.31 | 52.33 | 44.08 | 26.17 | 15.48 | 39.32 | |||||||
1969 | 25.21 | 22.86 | 24.87 | 44.38 | a | 55.02 | 53.78 | 64.15 | 65.56 | 57.12 | 36.34 | 29.90 | 23.15 | 41.86 | ||||||||||||
1970 | 20.05 | 29.18 | 29.10 | 35.30 | 49.31 | 58.22 | a | 64.53 | 64.73 | 51.78 | a | 37.19 | 33.40 | 21.07 | a | 41.15 | ||||||||||
1971 | 23.15 | 20.88 | 29.27 | 40.79 | a | 48.03 | 58.67 | 63.77 | 64.66 | 49.62 | 41.48 | 26.91 | c | 15.21 | 40.20 | |||||||||||
1972 | 19.47 | a | 25.88 | 38.34 | 41.47 | a | 49.29 | 59.98 | 62.68 | 62.13 | 54.00 | 44.50 | 26.67 | 12.68 | 41.42 | |||||||||||
1973 | 9.32 | 15.04 | 27.40 | 34.82 | 50.15 | 56.88 | 63.24 | 62.97 | 52.65 | 44.50 | 29.07 | 20.29 | 38.86 | |||||||||||||
1974 | 14.85 | a | 14.75 | 35.70 | a | 40.08 | 51.40 | 59.74 | a | 64.60 | 60.50 | 51.95 | a | 45.21 | 30.95 | 16.67 | b | 40.53 | ||||||||
1975 | 18.08 | a | 19.70 | 29.92 | 36.47 | 47.03 | 55.45 | 65.74 | 61.18 | 52.63 | 43.05 | a | 28.15 | 24.15 | a | 40.13 | ||||||||||
1976 | 18.06 | 26.64 | 29.39 | 42.32 | 51.00 | 56.00 | 66.60 | 60.59 | n | 54.35 | g | 39.00 | f | 29.92 | 22.09 | h | 39.99 | d | ||||||||
1977 | 17.37 | 27.21 | 28.13 | ----- | z | ----- | z | 64.82 | b | 65.90 | a | 63.31 | d | 57.91 | a | 45.15 | 31.10 | a | 27.45 | 42.84 | b | |||||
1978 | 23.25 | a | 24.82 | 35.29 | 44.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.99 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.27 | 21.69 | 29.57 | 41.21 | 50.42 | 58.28 | 65.18 | 62.95 | 54.28 | 43.72 | 30.23 | 20.53 | 41.38 | |||||||||||||
S.D. | 5.09 | 5.36 | 4.37 | 3.33 | 2.64 | 2.50 | 1.67 | 1.72 | 2.43 | 2.61 | 3.53 | 5.38 | 1.50 | |||||||||||||
SKEW | -0.28 | -0.38 | -0.24 | 0.10 | 0.53 | 0.16 | -0.07 | -0.03 | -0.25 | -0.53 | -0.16 | -0.48 | 0.58 | |||||||||||||
MAX | 27.29 | 31.41 | 39.17 | 48.86 | 59.29 | 64.82 | 69.35 | 67.03 | 58.95 | 49.45 | 36.80 | 29.69 | 45.80 | |||||||||||||
MIN | 4.63 | 10.76 | 18.76 | 34.82 | 45.18 | 53.35 | 60.24 | 59.22 | 47.95 | 36.34 | 23.77 | 6.63 | 38.86 | |||||||||||||
YRS | 55 | 56 | 57 | 55 | 53 | 55 | 53 | 54 | 52 | 52 | 54 | 53 | 41 |