YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.03 | 75.81 | ----- | z | ----- | z | 41.12 | d | 32.56 | 56.63 | h | |||
1915 | 27.00 | 37.82 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.41 | 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 | 42.09 | b | 36.53 | 39.31 | j | |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.69 | o | 74.60 | a | 65.73 | 54.79 | b | 34.04 | b | 37.25 | k | 57.29 | h | |
1939 | 33.05 | 25.29 | 44.24 | 54.85 | 63.76 | 70.19 | a | 75.83 | b | 73.62 | a | 67.30 | 51.13 | a | 42.64 | a | 33.57 | a | 52.95 | |||||||
1940 | 31.38 | a | 37.28 | 45.88 | b | 53.62 | a | 64.37 | a | 71.73 | ----- | z | 70.47 | n | 67.29 | a | 54.04 | c | ----- | z | ----- | z | 53.20 | d | ||
1941 | ----- | z | 41.35 | d | 45.53 | b | ----- | z | 62.61 | 67.02 | 74.40 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.13 | 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 | 71.35 | f | 76.35 | 71.31 | 65.37 | 53.69 | 41.70 | 24.66 | 55.51 | f | ||||||
1954 | 33.35 | 39.93 | 40.42 | 55.88 | 61.48 | j | 68.78 | 76.05 | 71.03 | 65.87 | 54.48 | 42.65 | 29.31 | 52.52 | a | |||||||||||
1955 | 26.74 | 27.87 | b | 40.60 | 48.00 | 57.37 | 65.43 | 73.23 | 73.52 | 64.92 | 53.48 | 38.55 | 34.47 | a | 50.35 | |||||||||||
1956 | 36.48 | 30.78 | 40.98 | 49.18 | 59.92 | 70.90 | 72.47 | 68.48 | 67.38 | 54.35 | a | 32.50 | b | 28.92 | 51.03 | |||||||||||
1957 | 34.47 | 42.46 | 43.21 | 48.62 | 57.00 | 69.05 | 74.60 | 73.08 | 64.28 | 54.05 | 37.33 | 34.47 | 52.72 | |||||||||||||
1958 | 30.32 | 40.43 | 39.90 | 48.77 | 63.52 | 71.57 | 74.11 | 75.84 | 66.07 | 54.03 | 40.07 | 34.81 | 53.29 | |||||||||||||
1959 | 31.81 | 35.50 | 40.77 | 50.75 | 60.35 | 72.43 | 76.02 | 72.65 | 63.00 | 51.23 | 36.98 | 32.02 | 51.96 | |||||||||||||
1960 | 24.95 | 29.52 | 43.34 | 49.75 | 57.27 | 68.97 | 73.89 | 72.94 | 66.78 | 49.66 | 40.18 | 25.68 | 50.24 | |||||||||||||
1961 | 23.21 | 34.57 | 40.40 | 47.23 | 58.53 | 69.75 | 73.34 | 71.06 | 58.52 | 48.58 | 35.42 | 14.06 | 47.89 | |||||||||||||
1962 | 17.29 | 32.54 | 34.60 | 50.17 | 56.66 | 67.68 | 73.98 | 73.21 | 65.92 | 53.95 | 43.92 | 31.94 | 50.15 | |||||||||||||
1963 | 20.44 | 35.84 | 41.35 | 48.85 | 62.90 | 67.05 | 76.61 | 72.74 | 67.00 | 56.79 | 39.78 | 26.94 | 51.36 | |||||||||||||
1964 | 25.52 | 28.59 | 35.95 | 46.33 | 59.22 | a | 67.18 | 76.90 | 70.63 | 63.25 | 53.10 | 36.35 | 27.21 | 49.19 | ||||||||||||
1965 | 31.19 | 30.95 | 37.26 | 47.95 | 56.19 | 63.78 | 73.82 | 71.68 | 61.18 | 53.11 | 44.50 | 34.29 | 50.49 | |||||||||||||
1966 | 28.34 | 30.64 | 43.68 | 51.98 | f | 62.39 | 69.58 | 77.56 | 73.44 | 65.28 | 52.48 | 44.22 | a | 29.79 | 52.49 | a | ||||||||||
1967 | 26.00 | 36.91 | 46.24 | 49.17 | 58.35 | a | 65.38 | 76.45 | 72.34 | 65.63 | 53.38 | a | 42.22 | 25.58 | 51.47 | |||||||||||
1968 | 23.56 | 40.38 | 43.18 | 47.43 | 58.63 | 69.37 | 74.21 | 69.29 | 63.60 | 53.71 | 38.29 | a | 26.92 | 50.71 | ||||||||||||
1969 | 33.19 | 35.28 | a | 36.95 | 52.68 | 62.66 | 67.20 | 76.39 | 76.45 | 66.47 | 49.97 | 38.88 | 33.88 | a | 52.50 | |||||||||||
1970 | 31.16 | 38.82 | 39.98 | 45.13 | 59.76 | 67.78 | 76.44 | 76.55 | a | 62.78 | 48.39 | 40.98 | 33.35 | 51.76 | ||||||||||||
1971 | 28.66 | 34.27 | 41.73 | 49.88 | 57.52 | 70.38 | 76.82 | 73.50 | 63.02 | 50.98 | 39.02 | 29.81 | 51.30 | |||||||||||||
1972 | 30.08 | 37.03 | 47.50 | 51.43 | 59.00 | a | 69.00 | 76.63 | 71.85 | 65.62 | 54.11 | 36.30 | 26.15 | a | 52.06 | |||||||||||
1973 | 22.60 | 33.66 | 40.27 | 46.13 | 58.42 | 66.60 | 74.58 | 73.82 | 61.72 | 53.40 | a | 41.57 | 31.27 | 50.34 | ||||||||||||
1974 | 24.71 | 28.79 | 46.31 | 48.92 | 62.06 | 72.75 | 75.35 | 73.13 | 63.36 | a | 54.56 | 39.73 | 28.52 | 51.52 | ||||||||||||
1975 | 25.37 | 33.86 | 40.90 | b | 46.08 | 56.20 | a | 64.95 | a | 74.53 | 71.44 | 63.27 | 52.10 | 37.55 | 30.44 | 49.72 | ||||||||||
1976 | 27.87 | 39.79 | 40.65 | a | 51.33 | 61.42 | 68.42 | 76.87 | 72.29 | 64.93 | a | 49.50 | 38.07 | 32.45 | 51.97 | |||||||||||
1977 | 26.32 | n | 37.25 | d | 40.15 | 53.12 | a | 58.20 | a | 72.50 | 76.19 | 74.66 | 66.86 | b | 53.60 | 42.08 | 34.35 | 55.36 | a | |||||||
1978 | 33.03 | 35.00 | a | 45.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.76 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.21 | 34.91 | 41.69 | 49.65 | 59.78 | 68.72 | 75.42 | 72.89 | 64.73 | 52.74 | 39.61 | 30.14 | 51.13 | |||||||||||||
S.D. | 4.64 | 4.48 | 3.23 | 2.79 | 2.55 | 2.41 | 1.41 | 1.96 | 2.13 | 2.06 | 3.03 | 4.59 | 1.29 | |||||||||||||
SKEW | -0.34 | -0.29 | -0.18 | 0.53 | 0.31 | -0.09 | -0.42 | -0.05 | -0.95 | -0.63 | -0.39 | -1.49 | -0.51 | |||||||||||||
MAX | 36.48 | 42.46 | 47.50 | 55.88 | 64.37 | 72.75 | 77.56 | 76.55 | 67.38 | 56.79 | 44.50 | 36.53 | 53.29 | |||||||||||||
MIN | 17.29 | 25.29 | 34.60 | 45.13 | 56.19 | 63.78 | 72.47 | 68.48 | 58.52 | 48.39 | 32.50 | 14.06 | 47.89 | |||||||||||||
YRS | 27 | 29 | 28 | 25 | 26 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 22 |