YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.19 | 57.23 | ----- | z | ----- | z | 22.92 | d | 17.90 | 39.81 | h | |||
1915 | 12.58 | 24.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 18.54 | j | ||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.79 | b | 27.71 | 27.75 | j | |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.44 | o | 59.74 | 53.23 | 40.65 | 20.83 | 26.05 | k | 43.61 | h | ||||
1939 | 23.10 | 12.82 | 31.48 | 39.60 | 46.26 | 51.80 | 59.60 | a | 57.97 | a | 55.67 | 36.03 | 29.59 | a | 18.55 | 38.54 | ||||||||||
1940 | 22.29 | 27.59 | 29.90 | a | 38.57 | 46.42 | 55.13 | ----- | z | 56.94 | m | 57.41 | a | 40.54 | c | ----- | z | ----- | z | 39.73 | d | |||||
1941 | ----- | z | 31.00 | d | 32.93 | a | ----- | z | 47.32 | 50.73 | 58.00 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.50 | h | ||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.96 | f | 59.58 | 53.58 | 43.73 | 35.65 | 25.63 | 10.94 | 38.18 | f | ||||||
1954 | 19.90 | 21.14 | 24.87 | 37.57 | 45.00 | j | 48.87 | 59.81 | 54.19 | 49.30 | 36.13 | 23.37 | 15.97 | 35.56 | a | |||||||||||
1955 | 13.03 | 12.70 | a | 23.35 | 29.13 | 39.10 | 45.73 | 54.39 | 56.87 | 43.70 | 31.90 | 21.80 | 20.39 | 32.68 | ||||||||||||
1956 | 21.68 | 16.38 | 20.68 | 29.93 | 38.29 | 50.07 | 53.32 | 48.35 | 45.43 | 34.10 | a | 15.52 | a | 11.77 | 32.13 | |||||||||||
1957 | 24.45 | 28.32 | 28.87 | 33.30 | 42.03 | 50.20 | 58.71 | 57.71 | 42.40 | 40.65 | 24.83 | 19.87 | 37.61 | |||||||||||||
1958 | 14.32 | 25.96 | 27.03 | 31.23 | 43.58 | 51.17 | 53.81 | 57.81 | 49.17 | 35.52 | 23.50 | 16.23 | 35.78 | |||||||||||||
1959 | 16.29 | 20.61 | 22.32 | 33.03 | 41.58 | 53.60 | 57.03 | 56.35 | 42.87 | 32.48 | 19.30 | 17.19 | 34.39 | |||||||||||||
1960 | 11.48 | 16.55 | 25.42 | 29.90 | 37.39 | 47.53 | 53.84 | 53.39 | 47.53 | 33.29 | 22.93 | 14.84 | 32.84 | |||||||||||||
1961 | 7.35 | 19.79 | 25.65 | 28.63 | 38.87 | 48.23 | 53.48 | 54.13 | 39.57 | 28.48 | 20.83 | -2.84 | 30.18 | |||||||||||||
1962 | 1.26 | 19.21 | 17.06 | 29.23 | 37.03 | 47.60 | 55.74 | 53.26 | 49.77 | 37.03 | 28.80 | 17.68 | 32.81 | |||||||||||||
1963 | 8.94 | 21.50 | 26.06 | 31.20 | 43.42 | 47.17 | 57.84 | 57.68 | 49.20 | 38.29 | 23.93 | 11.45 | 34.72 | |||||||||||||
1964 | 9.29 | 13.00 | 20.45 | 30.47 | 41.33 | a | 47.03 | 58.35 | 52.10 | 45.93 | 30.03 | 21.00 | 13.94 | 31.91 | ||||||||||||
1965 | 19.42 | 15.14 | 20.42 | 30.57 | 37.94 | 43.77 | 56.23 | 52.58 | 43.53 | 31.55 | 29.23 | 23.10 | 33.62 | |||||||||||||
1966 | 13.61 | 15.61 | 23.65 | 32.42 | f | 42.13 | 49.77 | 60.03 | 55.32 | 46.80 | 33.42 | 26.83 | 18.10 | 35.02 | a | |||||||||||
1967 | 10.42 | 19.82 | 26.77 | 30.43 | 39.16 | 47.03 | 58.84 | 54.97 | 47.97 | 32.19 | 23.53 | 12.94 | 33.67 | |||||||||||||
1968 | 8.61 | 27.31 | 26.71 | 30.77 | 40.13 | 48.17 | 56.84 | 52.74 | 43.47 | 34.48 | 24.31 | a | 12.26 | 33.82 | ||||||||||||
1969 | 21.13 | 22.79 | 21.58 | 33.87 | 43.68 | 49.47 | 60.06 | 59.29 | 48.40 | 34.84 | 23.07 | 19.90 | a | 36.51 | ||||||||||||
1970 | 15.84 | 20.21 | 24.77 | 27.03 | 38.97 | 48.57 | 59.42 | 59.93 | a | 45.47 | 31.81 | 25.00 | 19.42 | 34.70 | ||||||||||||
1971 | 11.55 | 17.43 | 21.94 | 30.77 | 38.61 | 50.30 | 58.13 | 56.90 | 44.30 | 34.61 | 24.03 | 19.06 | 33.97 | |||||||||||||
1972 | 13.00 | 17.83 | 26.35 | 32.00 | 37.77 | 50.20 | 57.90 | 54.19 | 48.80 | 42.97 | 26.67 | 15.53 | a | 35.27 | ||||||||||||
1973 | 11.16 | 22.54 | 28.48 | 30.00 | 39.81 | 46.17 | 55.52 | 55.42 | 41.20 | 32.87 | 23.10 | 15.97 | 33.52 | |||||||||||||
1974 | 12.13 | 13.82 | 28.06 | 29.73 | 40.65 | 51.50 | 57.10 | 54.97 | 43.53 | 38.90 | 24.73 | 15.42 | 34.21 | |||||||||||||
1975 | 11.03 | 20.89 | 26.23 | 28.00 | 36.90 | 41.59 | a | 56.71 | 50.97 | 44.07 | 30.23 | 19.17 | 16.10 | 31.82 | ||||||||||||
1976 | 11.45 | 22.79 | 21.57 | a | 31.43 | 42.23 | 46.70 | 58.77 | 54.55 | 48.40 | 30.10 | 18.73 | 16.68 | 33.62 | ||||||||||||
1977 | 15.76 | n | 19.04 | d | 20.81 | 33.97 | 38.42 | 51.73 | 58.35 | 56.48 | 48.37 | 32.48 | 25.20 | 19.03 | 36.72 | a | ||||||||||
1978 | 22.00 | 21.61 | 29.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.27 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.35 | 20.27 | 25.09 | 31.61 | 40.73 | 48.88 | 57.43 | 55.31 | 46.76 | 34.69 | 23.66 | 16.25 | 34.01 | |||||||||||||
S.D. | 5.70 | 4.84 | 3.77 | 3.13 | 2.98 | 2.89 | 2.25 | 2.72 | 4.13 | 3.68 | 3.26 | 5.21 | 1.93 | |||||||||||||
SKEW | 0.08 | 0.29 | 0.02 | 1.19 | 0.72 | -0.27 | -0.44 | -0.35 | 0.75 | 0.52 | -0.25 | -1.42 | 0.50 | |||||||||||||
MAX | 24.45 | 31.00 | 32.93 | 39.60 | 47.32 | 55.13 | 61.19 | 59.93 | 57.41 | 42.97 | 29.59 | 27.71 | 38.54 | |||||||||||||
MIN | 1.26 | 12.70 | 17.06 | 27.03 | 36.90 | 41.59 | 53.32 | 48.35 | 39.57 | 28.48 | 15.52 | -2.84 | 30.18 | |||||||||||||
YRS | 27 | 29 | 28 | 25 | 26 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 22 |