YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 51.14 | j | 39.43 | b | 35.58 | 29.50 | 19.48 | 31.00 | h | |||
1927 | 16.50 | a | 21.70 | a | 26.39 | 29.77 | 35.90 | 45.33 | 48.37 | a | 48.16 | 42.13 | 36.39 | 29.10 | 10.13 | 32.49 | ||||||||||
1928 | 18.94 | 17.00 | 27.03 | 30.43 | 38.71 | 44.27 | 49.58 | 43.61 | 39.43 | 32.48 | 25.50 | 18.23 | a | 32.10 | ||||||||||||
1929 | 4.33 | a | 5.43 | 26.90 | 27.23 | 35.12 | f | 42.13 | 44.84 | f | 46.03 | a | 37.30 | 31.19 | 20.45 | a | 23.83 | a | 26.48 | b | ||||||
1930 | -0.81 | 20.63 | a | 21.55 | 32.80 | 35.68 | 40.17 | 46.03 | 45.90 | 41.47 | 29.87 | 23.17 | a | 18.74 | 29.60 | |||||||||||
1931 | 23.07 | a | 18.04 | 25.58 | 30.10 | 36.71 | 43.00 | 46.00 | 44.32 | 38.40 | 29.81 | 19.83 | 18.07 | a | 31.08 | |||||||||||
1932 | 14.16 | 13.38 | 21.55 | 30.57 | 35.38 | b | 42.40 | 44.52 | 44.90 | 37.28 | a | 31.48 | 27.60 | 12.10 | 29.61 | |||||||||||
1933 | 17.42 | 8.07 | 22.77 | 27.30 | 32.93 | a | 40.67 | 44.06 | 44.87 | 36.07 | 30.37 | a | 26.40 | 23.06 | 29.50 | |||||||||||
1934 | 22.45 | 19.79 | 25.74 | 33.37 | 38.48 | 40.77 | 45.97 | 44.81 | 38.63 | 35.81 | 32.93 | a | 23.32 | 33.51 | ||||||||||||
1935 | 17.37 | a | 20.00 | 22.23 | 26.87 | 35.40 | a | 42.13 | 48.39 | 44.90 | 42.13 | 31.94 | 23.87 | 23.87 | 31.59 | |||||||||||
1936 | 20.32 | 0.52 | 22.84 | 30.27 | 41.71 | 47.07 | 49.29 | 47.00 | 40.60 | 33.65 | 21.17 | 22.90 | 31.44 | |||||||||||||
1937 | -3.84 | 14.75 | 26.17 | a | 30.97 | 37.03 | 45.73 | 49.84 | 44.13 | 41.97 | 38.19 | 29.83 | 22.33 | a | 31.43 | |||||||||||
1938 | 19.29 | 21.39 | 27.58 | 31.20 | 37.77 | 46.13 | 50.26 | 43.52 | 47.13 | 35.13 | 22.03 | 19.61 | 33.42 | |||||||||||||
1939 | 23.19 | 12.61 | 23.87 | 32.43 | 38.52 | 41.77 | 47.61 | 46.16 | 40.80 | 33.61 | 27.70 | 24.94 | 32.77 | |||||||||||||
1940 | 16.42 | 23.69 | 27.97 | 33.27 | 38.65 | 44.63 | 49.61 | 45.97 | 47.00 | 38.06 | 22.27 | 22.17 | a | 34.14 | ||||||||||||
1941 | 19.81 | 21.82 | 26.90 | 33.17 | 39.61 | 46.17 | 49.74 | 47.10 | 41.57 | 35.10 | 31.20 | 25.42 | 34.80 | |||||||||||||
1942 | 16.00 | 22.89 | 25.87 | 33.00 | 39.39 | 44.80 | 51.06 | 48.94 | 41.23 | 34.45 | 26.10 | 24.26 | 34.00 | |||||||||||||
1943 | 10.74 | 22.36 | 20.48 | 32.47 | 34.61 | 42.63 | 47.64 | c | 46.26 | 39.50 | 36.65 | 29.30 | 18.48 | 31.76 | ||||||||||||
1944 | 18.35 | 20.29 | a | 23.23 | 32.40 | 40.30 | a | 46.77 | 49.16 | 47.13 | 42.73 | 37.16 | 29.63 | 19.19 | 33.86 | |||||||||||
1945 | 23.39 | 23.61 | 27.10 | 28.67 | 39.52 | 44.20 | 48.52 | 46.74 | 39.00 | f | 35.65 | 27.77 | 22.35 | 33.41 | a | |||||||||||
1946 | 21.84 | 22.57 | 29.61 | 33.97 | 37.43 | h | 43.37 | c | 48.48 | 46.19 | 40.67 | 29.90 | 22.63 | 21.81 | 32.82 | a | ||||||||||
1947 | 14.42 | 19.93 | 26.45 | 32.70 | 39.84 | 44.90 | a | 47.55 | 45.65 | 43.10 | 39.29 | 26.47 | 24.40 | a | 33.72 | |||||||||||
1948 | 17.10 | 17.07 | a | 22.74 | 31.53 | 42.26 | 50.24 | a | 46.52 | 48.90 | 40.20 | 29.84 | 26.77 | 13.42 | 32.22 | |||||||||||
1949 | -1.10 | 12.61 | 23.65 | 31.27 | 40.55 | 41.80 | 46.58 | 45.13 | 38.63 | 29.52 | 30.53 | 18.87 | 29.84 | |||||||||||||
1950 | -1.81 | 20.39 | 25.26 | 28.07 | 34.00 | 44.10 | 47.94 | 46.94 | 37.57 | 36.03 | 25.60 | 26.29 | 30.86 | |||||||||||||
1951 | 16.61 | 18.25 | 21.00 | 26.57 | 39.13 | 42.03 | 45.61 | 45.48 | 39.17 | 35.81 | 25.23 | 12.90 | 30.65 | |||||||||||||
1952 | 16.65 | 21.23 | c | 24.03 | 30.60 | 39.42 | 44.70 | 47.06 | 46.48 | 40.20 | 32.32 | 23.53 | 25.26 | 32.62 | ||||||||||||
1953 | 29.29 | 23.54 | 27.13 | 31.00 | a | 37.68 | 44.10 | 47.00 | 48.74 | 40.67 | 35.77 | 31.03 | 26.84 | 35.23 | ||||||||||||
1954 | 18.42 | 27.96 | 23.94 | 30.63 | 39.47 | a | 44.55 | a | 48.29 | 48.48 | 44.07 | 33.23 | 34.20 | 24.65 | 34.82 | |||||||||||
1955 | 23.68 | 18.86 | 19.71 | 30.93 | 38.29 | 46.17 | 52.23 | 45.58 | 42.20 | 36.27 | a | 21.33 | 19.19 | 32.87 | ||||||||||||
1956 | 23.03 | 17.45 | 25.68 | 32.13 | 40.97 | 45.93 | 51.10 | 49.74 | 42.47 | 36.84 | 25.10 | 24.58 | 34.58 | |||||||||||||
1957 | 9.35 | 19.11 | 27.71 | 32.97 | 45.68 | 48.70 | 48.35 | 46.42 | 43.60 | 36.56 | d | 27.69 | a | 28.26 | 34.53 | |||||||||||
1958 | ----- | z | ----- | z | ----- | z | 34.10 | 45.23 | 51.37 | 52.00 | 51.29 | 43.23 | 35.06 | 27.30 | 26.29 | 40.65 | c | |||||||||
1959 | 21.42 | 21.93 | 28.74 | 33.93 | 38.61 | 47.30 | 49.77 | 46.74 | 44.30 | 36.45 | 23.55 | a | 23.03 | 34.65 | ||||||||||||
1960 | 16.10 | 22.38 | 25.94 | 32.83 | 39.68 | 45.70 | 51.61 | 49.32 | 41.63 | 37.61 | 28.70 | 23.48 | 34.58 | |||||||||||||
1961 | 23.84 | 30.43 | 29.97 | 33.90 | 42.55 | 50.07 | 52.90 | 52.94 | 40.96 | e | 34.48 | 24.04 | f | 20.65 | 37.52 | a | ||||||||||
1962 | 16.19 | 23.39 | 26.23 | 33.97 | 42.16 | 46.20 | 47.97 | 49.26 | 43.47 | 39.26 | 34.77 | 29.77 | 36.05 | |||||||||||||
1963 | 14.45 | 27.75 | 29.19 | 34.63 | 39.94 | 48.90 | 50.77 | 50.65 | 47.23 | 39.52 | 31.13 | 23.32 | 36.46 | |||||||||||||
1964 | 26.16 | 21.59 | 25.87 | 31.43 | 40.00 | 48.10 | 51.45 | 47.52 | 41.07 | 35.77 | 30.33 | 19.03 | 34.86 | |||||||||||||
1965 | 26.29 | 23.36 | 20.58 | 34.10 | 38.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.49 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 16.55 | 19.41 | 25.14 | 31.48 | 38.92 | 44.97 | 48.62 | 46.89 | 41.30 | 34.67 | 26.88 | 21.66 | 32.90 | |||||||||||||
S.D. | 8.02 | 5.86 | 2.70 | 2.18 | 2.78 | 2.75 | 2.18 | 2.15 | 2.63 | 2.89 | 3.84 | 4.36 | 1.93 | |||||||||||||
SKEW | -1.14 | -1.20 | -0.26 | -0.71 | 0.18 | 0.36 | -0.02 | 0.76 | 0.40 | -0.34 | 0.05 | -0.78 | -0.18 | |||||||||||||
MAX | 29.29 | 30.43 | 29.97 | 34.63 | 45.68 | 51.37 | 52.90 | 52.94 | 47.23 | 39.52 | 34.77 | 29.77 | 36.46 | |||||||||||||
MIN | -3.84 | 0.52 | 19.71 | 26.57 | 32.93 | 40.17 | 44.06 | 43.52 | 36.07 | 29.52 | 19.83 | 10.13 | 29.50 | |||||||||||||
YRS | 38 | 38 | 38 | 39 | 37 | 38 | 37 | 38 | 38 | 39 | 38 | 39 | 33 |