YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1887 | ----- | z | ----- | z | ----- | z | 52.58 | r | 62.03 | 62.67 | 64.87 | 65.58 | 64.37 | 59.65 | 50.10 | 46.84 | 59.51 | d | ||||||||
1888 | 40.10 | 48.03 | 53.26 | ----- | z | ----- | z | ----- | z | ----- | z | 69.55 | 68.70 | 60.39 | 51.30 | 49.32 | 55.08 | d | ||||||||
1889 | 47.29 | 50.93 | 58.35 | 59.67 | 65.29 | 68.83 | 68.90 | 65.77 | 66.87 | 63.16 | 55.13 | 45.00 | 59.60 | |||||||||||||
1890 | 39.81 | 45.29 | 50.45 | 55.73 | 64.87 | 64.87 | 67.19 | 68.13 | 66.03 | 58.81 | 54.90 | 51.84 | 57.33 | |||||||||||||
1891 | 49.68 | 45.25 | 50.81 | 56.47 | 61.71 | 64.00 | 69.84 | 72.65 | 65.07 | 62.10 | 54.13 | 48.94 | 58.39 | |||||||||||||
1892 | 47.94 | 49.45 | 53.94 | 53.47 | 62.13 | 64.93 | 66.16 | 68.45 | 64.60 | 60.19 | 51.93 | 45.32 | 57.38 | |||||||||||||
1893 | 43.42 | 44.68 | 50.68 | 50.53 | 58.26 | 62.20 | 68.06 | 70.26 | 63.23 | 55.52 | 50.70 | 49.35 | 55.57 | |||||||||||||
1894 | 45.77 | 44.96 | 49.23 | 54.00 | 59.71 | 62.70 | 68.19 | 72.32 | 65.27 | 57.87 | 54.13 | 45.32 | 56.62 | |||||||||||||
1895 | 45.45 | 49.54 | 52.29 | 56.47 | 61.23 | 65.67 | 69.77 | 69.90 | 62.60 | 61.42 | 50.57 | 48.06 | 57.75 | |||||||||||||
1896 | 48.03 | 51.62 | 50.74 | 53.07 | 57.65 | 65.17 | 71.87 | 69.94 | 67.47 | 60.13 | 46.07 | 50.32 | 57.67 | |||||||||||||
1897 | 45.19 | 47.68 | 46.90 | 58.97 | 64.65 | 65.63 | 66.32 | 71.23 | 64.43 | 60.06 | 51.34 | a | 49.45 | 57.66 | ||||||||||||
1898 | 45.97 | 51.07 | 49.97 | 56.70 | 62.10 | 66.70 | 67.29 | 69.00 | 66.63 | 59.74 | 51.07 | 46.42 | 57.72 | |||||||||||||
1899 | 47.19 | 44.57 | 49.45 | 54.43 | 55.45 | 62.37 | 69.55 | 65.32 | 67.97 | 58.94 | 56.90 | 50.61 | 56.90 | |||||||||||||
1900 | 51.00 | 47.68 | 55.00 | 57.33 | 58.77 | 63.50 | 67.32 | 66.32 | 64.90 | 57.42 | 52.37 | 50.48 | 57.68 | |||||||||||||
1901 | 45.52 | 47.96 | 50.90 | 53.13 | 57.71 | 59.43 | 63.84 | 66.71 | 63.20 | 62.65 | 55.23 | 47.61 | 56.16 | |||||||||||||
1902 | 46.45 | 52.54 | 50.26 | 55.10 | 59.65 | 65.57 | 67.94 | 70.81 | 66.57 | 61.87 | 52.33 | 49.19 | 58.19 | |||||||||||||
1903 | 48.81 | 47.50 | 52.48 | 55.67 | 61.55 | 68.80 | 71.74 | 69.90 | 65.73 | 61.29 | 52.60 | 48.61 | 58.72 | |||||||||||||
1904 | 46.94 | 46.03 | 47.84 | 62.13 | 61.61 | 63.50 | 67.45 | 67.23 | 68.77 | 62.29 | 57.60 | 51.65 | 58.59 | |||||||||||||
1905 | 48.29 | 50.75 | 58.00 | 60.77 | 61.26 | 62.00 | 68.81 | 69.16 | 65.13 | 58.23 | 54.00 | 46.81 | 58.60 | |||||||||||||
1906 | 48.87 | 53.14 | 51.97 | 60.60 | 60.10 | 64.83 | 73.65 | 70.13 | 66.20 | 63.37 | a | 51.77 | 48.97 | 59.47 | ||||||||||||
1907 | 42.16 | 50.75 | 49.87 | 57.23 | 62.35 | 65.50 | 68.55 | 67.52 | 65.70 | 67.07 | b | 59.43 | 50.45 | 58.88 | ||||||||||||
1908 | 50.65 | 52.76 | 58.71 | 64.77 | 64.39 | 70.80 | 79.74 | 72.77 | 73.00 | 61.71 | 57.47 | 47.03 | 62.82 | |||||||||||||
1909 | 43.00 | 48.68 | 54.58 | 59.37 | 61.29 | 68.30 | 69.55 | 70.90 | b | ----- | z | 63.00 | g | ----- | z | ----- | z | 59.46 | d | |||||||
1910 | 46.39 | h | 46.71 | 55.13 | 56.47 | 61.71 | 62.00 | 67.06 | 64.26 | 64.83 | 60.55 | 52.43 | 49.58 | 58.25 | a | |||||||||||
1911 | 44.06 | 47.82 | 55.68 | 54.53 | 56.71 | 60.23 | 68.48 | 68.06 | 63.90 | 62.39 | 51.90 | 47.10 | 56.74 | |||||||||||||
1912 | 48.13 | 51.45 | 53.65 | 55.27 | 64.29 | 66.10 | 67.97 | 68.74 | 69.23 | 59.32 | 53.07 | 48.39 | 58.80 | |||||||||||||
1913 | 43.84 | 48.93 | 50.03 | 55.73 | 59.84 | 65.03 | 69.90 | 70.32 | 68.73 | 59.29 | 53.80 | 48.29 | 57.81 | |||||||||||||
1914 | 49.97 | 49.21 | 56.58 | 59.13 | 64.29 | 62.73 | 68.97 | 67.39 | 63.53 | 62.84 | 53.40 | 44.90 | 58.58 | |||||||||||||
1915 | 47.13 | 51.50 | 59.06 | 59.47 | 61.74 | 64.47 | 67.81 | 71.90 | 67.37 | 61.71 | 51.23 | 47.94 | 59.28 | |||||||||||||
1916 | 37.39 | 53.31 | 52.87 | 58.27 | 59.03 | 64.63 | 66.58 | 70.19 | 68.30 | 61.87 | 52.73 | 45.71 | 57.57 | |||||||||||||
1917 | 45.87 | 46.86 | 48.84 | 52.33 | 58.39 | 64.67 | 70.19 | 73.06 | 69.50 | 64.71 | 59.12 | d | ----- | z | 59.41 | a | ||||||||||
1918 | 47.59 | n | 47.82 | 50.97 | 58.57 | 58.90 | 68.50 | 69.29 | 71.03 | 70.50 | 60.42 | 52.70 | 48.23 | 59.72 | a | |||||||||||
1919 | 48.68 | 48.96 | 53.13 | 57.60 | 62.39 | 67.50 | 70.52 | 69.97 | 70.53 | 58.77 | 50.23 | 44.06 | 58.53 | |||||||||||||
1920 | 46.71 | 50.90 | 51.16 | 53.47 | 59.71 | 65.33 | 69.84 | 72.68 | 65.10 | 59.13 | 54.63 | 49.52 | 58.18 | |||||||||||||
1921 | 47.29 | 48.96 | 51.52 | 55.90 | 60.55 | 65.27 | 67.55 | 68.58 | 66.60 | 63.32 | 54.50 | 46.23 | 58.02 | |||||||||||||
1922 | 43.16 | 45.75 | 48.87 | 54.37 | 61.97 | 67.70 | 70.81 | 67.84 | 67.70 | 60.52 | 51.37 | 45.93 | p | 58.19 | a | |||||||||||
1923 | 42.55 | 41.82 | 47.65 | 53.50 | 54.10 | 59.87 | 64.48 | 70.74 | 68.70 | 64.16 | 58.47 | 49.35 | 56.28 | |||||||||||||
1924 | 45.94 | 52.66 | 52.10 | 56.57 | 62.10 | 65.33 | 68.45 | 67.03 | 69.10 | 61.00 | 53.00 | 41.90 | 57.93 | |||||||||||||
1925 | 48.74 | 52.57 | 52.26 | 57.07 | 65.45 | 65.83 | 68.90 | 67.97 | 68.00 | 62.94 | 53.57 | 51.42 | 59.56 | |||||||||||||
1926 | 50.03 | 53.07 | 60.00 | 64.83 | 62.39 | 68.70 | 70.74 | 68.42 | l | 65.00 | h | 61.10 | 55.07 | 46.32 | 59.23 | b | ||||||||||
1927 | 45.35 | 49.93 | 51.68 | 56.37 | 57.10 | 64.97 | 66.42 | 69.87 | 65.83 | 60.32 | 51.93 | 44.00 | 56.98 | |||||||||||||
1928 | 46.19 | 50.55 | 55.06 | 56.43 | 64.61 | 64.20 | 69.13 | 68.10 | 64.57 | 60.00 | 53.97 | 48.10 | 58.41 | |||||||||||||
1929 | 42.77 | 46.00 | 51.97 | 53.57 | 60.87 | 65.37 | 73.39 | 72.45 | 72.70 | 63.90 | 54.23 | 50.16 | 58.95 | |||||||||||||
1930 | 37.55 | 51.68 | 56.55 | 59.90 | 58.77 | 64.73 | 67.06 | 72.90 | 67.43 | 60.90 | 53.93 | 49.81 | 58.44 | |||||||||||||
1931 | 51.97 | 52.82 | 55.87 | 61.37 | 66.48 | 66.57 | 71.87 | 74.42 | 66.20 | 61.26 | 51.53 | 46.10 | 60.54 | |||||||||||||
1932 | 45.35 | 47.62 | 53.65 | 57.37 | 62.10 | 67.53 | 67.03 | 71.00 | 71.03 | 63.03 | 54.53 | 45.61 | 58.82 | |||||||||||||
1933 | 44.23 | 45.64 | 51.97 | 57.40 | 56.45 | 64.37 | 69.74 | 71.42 | 64.40 | 62.58 | 54.47 | 51.45 | 57.84 | |||||||||||||
1934 | 51.97 | 58.79 | 60.29 | 63.03 | 67.39 | 66.70 | 68.10 | 69.84 | 67.70 | 63.29 | 55.80 | 50.84 | 61.98 | |||||||||||||
1935 | 47.71 | 54.32 | 48.16 | 58.33 | 61.16 | 68.40 | 68.39 | 71.71 | 69.67 | 60.35 | 51.97 | 50.71 | 59.24 | |||||||||||||
1936 | 50.71 | 44.66 | 51.71 | 57.40 | 65.35 | 68.73 | 71.23 | 73.45 | 69.57 | 65.45 | 56.03 | 49.32 | 60.30 | |||||||||||||
1937 | 38.81 | 48.21 | 56.81 | 53.90 | 62.29 | 68.23 | 70.26 | 71.35 | 69.07 | 67.35 | 55.77 | 52.03 | 59.51 | |||||||||||||
1938 | 50.39 | 50.64 | 53.29 | 61.83 | 64.19 | 67.17 | 69.48 | 67.87 | 70.27 | 64.13 | 52.73 | 50.19 | 60.18 | |||||||||||||
1939 | 49.58 | 46.04 | 53.84 | 61.03 | 64.97 | 63.63 | 70.87 | 73.35 | 71.93 | 60.42 | 54.53 | 53.90 | 60.34 | |||||||||||||
1940 | 52.29 | 53.76 | 57.61 | 61.77 | 68.97 | 71.93 | 70.45 | 74.13 | 71.27 | 66.03 | 54.90 | 52.71 | 62.98 | |||||||||||||
1941 | 53.84 | 59.54 | 65.19 | 63.30 | 65.35 | 68.80 | 74.19 | 71.10 | 67.27 | 65.26 | 57.50 | 50.74 | 63.51 | |||||||||||||
1942 | 48.45 | 54.39 | 56.97 | 60.60 | 61.74 | 65.93 | 73.06 | 75.68 | 71.23 | 67.00 | 53.10 | 48.90 | 61.42 | |||||||||||||
1943 | 44.84 | 54.71 | 53.39 | 60.80 | 61.87 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.57 | p | 50.15 | d | 54.29 | f | |||||
1944 | 49.35 | e | 50.96 | d | 52.48 | 57.80 | 62.03 | 64.97 | 67.45 | 68.74 | 67.80 | 63.10 | 51.10 | 46.48 | 58.52 | |||||||||||
1945 | 48.29 | 49.71 | 49.32 | 53.67 | 61.19 | 65.83 | 70.19 | 67.74 | 66.57 | 60.16 | 50.17 | 46.58 | 57.45 | |||||||||||||
1946 | 47.68 | 47.29 | 51.06 | 54.70 | 63.13 | 64.73 | 71.32 | 68.06 | 66.77 | 55.55 | 49.53 | 47.00 | 57.24 | |||||||||||||
1947 | 43.52 | 54.00 | 56.35 | 59.57 | 65.71 | 65.07 | 69.71 | 67.74 | 67.80 | 58.71 | 50.10 | 48.68 | 58.91 | |||||||||||||
1948 | 46.77 | 45.48 | 49.71 | 52.17 | 59.74 | 68.87 | 67.71 | 66.84 | 66.80 | 59.42 | 48.30 | 42.65 | 56.20 | |||||||||||||
1949 | 37.23 | 44.11 | 51.61 | 57.70 | 64.45 | 65.33 | 69.74 | 69.35 | 69.03 | 57.90 | 57.60 | 46.81 | 57.57 | |||||||||||||
1950 | 37.52 | 48.14 | 48.68 | 55.17 | 59.06 | 67.07 | 67.52 | 69.42 | 66.00 | 57.23 | 52.53 | 52.19 | 56.71 | |||||||||||||
1951 | 46.03 | 49.39 | 47.74 | 59.37 | 60.87 | 65.73 | 68.71 | 67.32 | 66.47 | 59.48 | 51.90 | 45.23 | 57.35 | |||||||||||||
1952 | 42.03 | 46.48 | 48.13 | 57.33 | 62.74 | 63.10 | 68.00 | 67.26 | 67.87 | 64.68 | 50.97 | 48.90 | 57.29 | |||||||||||||
1953 | 51.32 | 49.07 | 50.84 | 54.50 | 61.94 | 62.53 | 68.45 | 68.42 | 67.90 | 60.55 | 55.07 | 49.55 | 58.34 | |||||||||||||
1954 | 43.81 | 49.96 | 50.61 | 54.03 | 61.58 | 62.30 | 64.77 | 66.52 | 66.13 | 61.29 | 55.47 | 48.58 | 57.09 | |||||||||||||
1955 | 44.97 | 45.64 | 46.00 | 51.13 | 56.74 | 63.27 | 63.94 | 66.03 | 65.67 | 58.35 | 47.07 | 45.81 | 54.55 | |||||||||||||
1956 | 46.26 | 42.17 | 48.58 | 57.57 | 63.35 | 62.47 | 69.52 | 67.90 | 65.73 | 57.10 | 52.27 | 48.10 | 56.75 | |||||||||||||
1957 | 40.68 | 48.79 | 52.35 | 57.30 | 63.35 | 66.93 | 69.13 | 69.39 | 73.43 | 61.42 | 52.07 | 50.68 | 58.79 | |||||||||||||
1958 | 50.84 | 54.93 | 53.39 | 58.00 | 66.13 | 69.40 | 71.71 | 71.29 | 68.63 | 63.97 | 52.70 | 51.52 | 61.04 | |||||||||||||
1959 | 47.61 | 47.64 | 51.94 | 57.37 | 62.19 | 65.20 | 70.48 | 67.03 | 64.13 | 60.39 | 53.10 | 48.45 | 57.96 | |||||||||||||
1960 | 43.87 | 49.17 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.52 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.15 | 49.33 | 52.61 | 57.19 | 61.68 | 65.38 | 69.06 | 69.54 | 67.30 | 61.25 | 53.23 | 48.41 | 58.44 | |||||||||||||
S.D. | 3.80 | 3.49 | 3.60 | 3.17 | 2.90 | 2.49 | 2.51 | 2.42 | 2.47 | 2.58 | 2.61 | 2.45 | 1.71 | |||||||||||||
SKEW | -0.53 | 0.40 | 0.84 | 0.30 | -0.15 | 0.07 | 0.96 | 0.24 | 0.43 | 0.24 | 0.06 | -0.31 | 0.87 | |||||||||||||
MAX | 53.84 | 59.54 | 65.19 | 64.83 | 68.97 | 71.93 | 79.74 | 75.68 | 73.43 | 67.35 | 59.43 | 53.90 | 63.51 | |||||||||||||
MIN | 37.23 | 41.82 | 46.00 | 50.53 | 54.10 | 59.43 | 63.84 | 64.26 | 62.60 | 55.52 | 46.07 | 41.90 | 54.55 | |||||||||||||
YRS | 71 | 73 | 72 | 71 | 72 | 71 | 71 | 71 | 70 | 71 | 71 | 70 | 64 |