YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1901 | ----- | z | ----- | z | ----- | z | 53.00 | a | 63.71 | 71.41 | a | 76.39 | 74.82 | 69.75 | 59.35 | 50.88 | 42.05 | 62.37 | c | |||||||
1902 | 41.98 | 44.66 | 45.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.92 | i | |||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 53.95 | 41.48 | 31.10 | 42.18 | i | |||
1912 | 38.45 | a | 39.69 | 43.85 | 46.72 | 59.50 | 69.72 | 71.98 | 70.85 | 64.07 | 52.29 | 42.20 | 32.89 | 52.68 | ||||||||||||
1913 | 32.35 | 36.48 | 41.63 | 51.47 | 60.85 | 68.37 | 72.39 | 70.94 | 61.12 | 53.60 | 45.48 | 32.40 | 52.26 | |||||||||||||
1914 | 38.79 | 39.30 | 43.85 | 53.02 | 60.55 | 69.53 | 68.66 | 69.19 | 64.40 | 52.71 | 45.85 | 34.05 | 53.33 | |||||||||||||
1915 | 32.03 | 36.86 | 40.44 | 50.65 | 56.45 | 69.47 | 72.27 | 69.63 | 63.55 | 55.06 | 44.22 | 36.71 | 52.28 | |||||||||||||
1916 | 37.71 | 43.21 | 48.26 | 50.65 | 57.68 | 71.07 | 72.40 | 68.90 | 63.02 | 53.94 | 42.48 | 34.47 | 53.65 | |||||||||||||
1917 | 35.16 | 37.91 | 40.89 | 49.40 | 52.87 | 70.02 | 74.08 | 70.13 | 64.52 | 55.56 | 45.53 | 41.82 | 53.16 | |||||||||||||
1918 | 33.18 | 40.91 | 45.92 | 50.47 | 56.56 | 72.93 | 72.39 | 69.24 | 65.27 | 55.76 | 39.37 | 31.39 | 52.78 | |||||||||||||
1919 | 31.50 | 33.39 | 41.89 | 52.00 | 60.28 | a | 67.92 | 69.74 | 70.92 | 63.95 | 50.81 | 41.87 | 39.18 | 51.95 | ||||||||||||
1920 | 36.85 | 42.79 | 41.60 | 46.15 | 59.81 | 67.88 | 72.76 | 68.19 | 63.68 | 51.95 | a | 42.15 | 33.74 | 52.30 | ||||||||||||
1921 | 38.42 | 39.30 | 47.32 | 49.50 | b | 59.39 | 68.80 | 70.11 | 68.32 | 66.05 | 56.74 | 44.87 | 40.52 | 54.11 | ||||||||||||
1922 | 33.81 | 38.75 | 41.37 | 48.32 | 60.92 | 71.55 | 73.40 | 72.53 | 66.12 | 54.27 | 39.23 | 39.23 | c | 53.29 | ||||||||||||
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 | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.72 | d | 73.26 | 66.37 | 53.77 | 44.20 | 35.73 | 57.67 | f | |||||
1944 | 33.61 | 36.88 | 41.30 | a | 48.85 | 59.61 | 68.28 | 71.66 | 71.19 | 63.47 | 55.69 | 40.76 | a | 36.68 | 52.33 | |||||||||||
1945 | 35.45 | 39.39 | 39.97 | a | 48.38 | a | 58.76 | 66.80 | 74.29 | 72.27 | 66.31 | a | 56.35 | 45.18 | 36.90 | a | 53.34 | |||||||||
1946 | 33.74 | 39.14 | 45.90 | a | 58.15 | 59.97 | 73.15 | 73.76 | 71.53 | 68.29 | b | 54.23 | c | 41.50 | 40.03 | a | 54.95 | |||||||||
1947 | 33.66 | b | 41.98 | 45.35 | 50.95 | a | ----- | z | 68.90 | a | 76.24 | 71.87 | 69.63 | 59.05 | 41.43 | a | 35.19 | 54.02 | a | |||||||
1948 | 37.52 | a | 38.66 | 40.81 | 55.20 | 62.53 | 71.18 | 74.34 | 74.18 | 67.23 | 54.33 | g | 39.40 | 38.58 | a | 54.51 | a | |||||||||
1949 | 28.74 | 37.05 | 45.16 | 52.86 | a | 59.33 | a | 69.80 | 73.35 | 70.17 | a | 65.92 | 51.84 | 47.92 | 34.26 | 53.03 | ||||||||||
1950 | 36.47 | 41.93 | 44.84 | 55.57 | 61.26 | 72.73 | 72.58 | 71.90 | 65.15 | 62.39 | 49.67 | 44.61 | 56.59 | |||||||||||||
1951 | 38.63 | a | 41.23 | b | 45.21 | 51.52 | 62.20 | a | 70.28 | 77.39 | 73.23 | 70.93 | a | 57.73 | 43.97 | 39.55 | 55.99 | |||||||||
1952 | 41.68 | 39.36 | 40.39 | 52.55 | 63.39 | 71.62 | 72.74 | 74.27 | 68.50 | 59.89 | 42.20 | 36.87 | 55.29 | |||||||||||||
1953 | 43.55 | 36.29 | 46.48 | 53.57 | 58.34 | 74.80 | 76.18 | a | 73.94 | 70.40 | 57.77 | 49.50 | 35.92 | 56.39 | ||||||||||||
1954 | 41.55 | 46.26 | a | 45.48 | 58.77 | 64.32 | 71.05 | 74.02 | 69.94 | 68.57 | 59.77 | a | 49.08 | 39.40 | 57.35 | |||||||||||
1955 | 34.32 | 35.86 | 45.71 | 52.62 | 59.40 | 68.68 | 70.81 | 70.18 | 66.07 | 57.89 | 46.18 | 42.00 | 54.14 | |||||||||||||
1956 | 41.20 | a | 36.33 | 47.89 | 51.74 | c | 64.15 | a | 74.62 | n | 72.31 | 69.27 | e | 68.89 | c | 56.22 | b | 42.39 | c | 40.15 | 53.68 | a | ||||
1957 | 41.63 | 49.91 | a | 46.62 | a | 51.62 | 57.65 | a | 70.66 | a | 74.85 | 71.40 | 64.45 | 53.84 | 41.55 | 42.53 | 55.56 | |||||||||
1958 | 36.92 | 43.88 | 41.53 | 51.77 | 63.79 | 73.10 | 75.65 | 72.59 | c | 66.45 | 56.32 | 46.65 | 44.74 | 56.12 | ||||||||||||
1959 | 41.35 | 40.50 | 46.21 | 56.05 | 59.34 | 69.88 | 73.69 | 71.39 | 66.87 | 57.74 | 44.53 | 40.60 | b | 55.68 | ||||||||||||
1960 | 33.73 | c | 36.19 | 48.66 | 53.90 | 60.57 | a | 73.47 | 71.98 | a | 72.52 | 66.27 | 54.17 | a | 46.48 | a | 36.00 | 54.49 | ||||||||
1961 | 38.19 | 41.27 | 45.27 | 53.72 | 61.90 | 70.93 | 73.73 | 72.05 | 63.82 | 55.75 | a | 42.58 | 39.81 | 54.92 | ||||||||||||
1962 | 35.26 | 44.68 | 40.77 | 57.33 | 60.45 | 67.90 | 70.82 | 73.66 | 67.07 | 57.13 | 49.10 | 40.95 | 55.43 | |||||||||||||
1963 | 35.31 | 43.02 | 45.45 | 53.28 | 63.55 | 67.65 | 75.08 | 70.06 | 66.78 | 58.97 | 45.80 | 38.69 | 55.30 | |||||||||||||
1964 | 33.65 | 34.07 | 41.98 | 51.62 | 62.15 | 69.10 | 74.34 | 72.74 | 64.73 | 57.61 | ----- | z | ----- | z | 56.20 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.56 | 39.91 | 44.03 | 52.16 | 60.35 | 70.27 | 73.21 | 71.39 | 66.11 | 55.89 | 44.29 | 37.90 | 54.24 | |||||||||||||
S.D. | 3.61 | 3.64 | 2.62 | 2.98 | 2.54 | 1.97 | 1.97 | 1.79 | 2.30 | 2.68 | 3.15 | 3.63 | 1.56 | |||||||||||||
SKEW | 0.11 | 0.54 | -0.04 | 0.24 | -0.61 | 0.37 | -0.06 | 0.06 | 0.24 | 0.22 | 0.34 | -0.08 | 0.21 | |||||||||||||
MAX | 43.55 | 49.91 | 48.66 | 58.77 | 64.32 | 74.80 | 77.39 | 74.82 | 70.93 | 62.39 | 50.88 | 44.74 | 57.35 | |||||||||||||
MIN | 28.74 | 33.39 | 39.97 | 46.15 | 52.87 | 66.80 | 68.66 | 68.19 | 61.12 | 50.81 | 39.23 | 31.10 | 51.95 | |||||||||||||
YRS | 33 | 33 | 33 | 33 | 32 | 32 | 34 | 34 | 34 | 34 | 34 | 34 | 28 |