YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | 53.58 | 61.93 | 64.52 | 72.00 | 83.39 | 91.73 | 98.77 | ----- | z | 81.93 | 75.06 | 68.33 | 65.84 | 74.28 | a | |||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1895 | 58.32 | 71.86 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.09 | j | ||
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 103.26 | h | 94.04 | c | 97.57 | 77.77 | 68.07 | a | 53.97 | 78.28 | g | |||
1900 | 55.77 | 65.89 | 75.52 | 74.13 | ----- | z | 96.97 | ----- | z | ----- | z | ----- | z | ----- | z | 71.23 | ----- | z | 73.25 | f | ||||||
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 101.71 | 88.83 | 83.23 | 74.23 | 62.84 | 82.17 | g | |||||
1902 | 55.90 | 66.61 | 65.55 | 74.37 | 79.94 | 95.37 | 96.77 | 97.13 | 95.20 | 82.17 | h | 56.33 | r | 60.35 | 78.72 | b | ||||||||||
1903 | 56.97 | 58.68 | 68.55 | 73.93 | 87.35 | 96.13 | 96.97 | 100.32 | 94.57 | 85.81 | 70.11 | b | 62.10 | 79.29 | ||||||||||||
1904 | 59.84 | 67.03 | 67.71 | 76.37 | 88.16 | 96.23 | 97.77 | 103.13 | 92.37 | 77.23 | 72.80 | 62.81 | 80.12 | |||||||||||||
1905 | 66.56 | v | 67.25 | 73.58 | 80.21 | a | 86.87 | 95.83 | 103.35 | 102.35 | 98.27 | 82.84 | 71.90 | 60.26 | 83.88 | a | ||||||||||
1906 | 64.10 | 70.37 | a | 73.84 | 76.30 | 80.42 | 90.87 | 106.32 | 101.55 | 92.87 | 84.48 | 67.70 | 58.58 | 80.62 | ||||||||||||
1907 | 59.58 | 70.39 | 74.19 | 78.10 | ----- | z | 94.70 | 101.03 | 98.48 | 95.80 | 82.94 | 78.90 | 70.06 | 82.20 | a | |||||||||||
1908 | 60.00 | w | 65.34 | 71.71 | 85.03 | 90.61 | 98.00 | 109.84 | 98.77 | 94.47 | 84.19 | 72.50 | 55.19 | 84.15 | a | |||||||||||
1909 | 60.97 | ----- | z | 74.71 | 83.97 | 97.97 | 94.90 | 98.52 | 99.61 | 93.30 | ----- | z | 66.93 | 56.26 | 82.71 | b | ||||||||||
1910 | 55.84 | 60.89 | 73.87 | 82.07 | 88.45 | 92.80 | 102.39 | 101.35 | 91.00 | 82.84 | 70.37 | 57.58 | 79.95 | |||||||||||||
1911 | 59.31 | b | 58.93 | 63.48 | 74.17 | 81.58 | 92.63 | 97.84 | 90.97 | 84.37 | 78.35 | ----- | z | 56.16 | 76.16 | a | ||||||||||
1912 | 58.13 | ----- | z | 65.26 | 67.77 | 83.10 | 89.23 | 93.13 | a | 97.32 | 86.43 | 79.13 | 77.73 | 64.26 | 78.32 | a | ||||||||||
1913 | 58.90 | 65.18 | 75.23 | 85.07 | 93.13 | 93.30 | 101.13 | 102.52 | 93.90 | 89.65 | ----- | z | 59.03 | 83.37 | a | |||||||||||
1914 | 61.84 | 68.07 | 75.71 | 78.50 | 86.65 | 94.97 | 100.23 | 101.90 | a | 88.17 | 82.90 | 74.76 | a | 59.48 | 81.10 | |||||||||||
1915 | 60.29 | 65.18 | 71.84 | 75.27 | 77.52 | 92.93 | 98.84 | 101.52 | 91.90 | 87.70 | a | 71.73 | 63.87 | 79.88 | ||||||||||||
1916 | 58.71 | 69.03 | 73.45 | 81.43 | 81.13 | 93.00 | 99.00 | 95.17 | b | 93.23 | 76.10 | 69.33 | 63.65 | 79.44 | ||||||||||||
1917 | 59.65 | 68.57 | 69.48 | 74.67 | 77.39 | 95.60 | 104.32 | 100.39 | 94.30 | 88.81 | 76.63 | 66.61 | 81.37 | |||||||||||||
1918 | 59.32 | 66.36 | 72.13 | 81.30 | 80.55 | 100.33 | 98.42 | 96.68 | 91.30 | 84.03 | 70.68 | b | 55.35 | 79.70 | ||||||||||||
1919 | 54.52 | 52.32 | 54.94 | 70.63 | 82.29 | 93.13 | 101.16 | 99.39 | 90.10 | 79.16 | 69.10 | 60.52 | 75.60 | |||||||||||||
1920 | 59.97 | 64.59 | 64.68 | 73.37 | 84.55 | 90.87 | 97.03 | 98.58 | 88.47 | 75.90 | 70.80 | 60.74 | 77.46 | |||||||||||||
1921 | 59.29 | 66.29 | 71.81 | 74.30 | 77.06 | 94.03 | 103.23 | 98.48 | 90.80 | 85.81 | 74.03 | 63.45 | 79.88 | |||||||||||||
1922 | 53.00 | 63.46 | 65.16 | 72.53 | 85.94 | 93.17 | 103.13 | 95.81 | 96.33 | 79.35 | 65.17 | 60.48 | 77.79 | |||||||||||||
1923 | 57.58 | 65.57 | 73.52 | 73.00 | 84.39 | 85.57 | 98.26 | 97.39 | 92.07 | 78.58 | 72.33 | 58.32 | 78.05 | |||||||||||||
1924 | 63.71 | 71.17 | 66.48 | 74.87 | 89.68 | 95.57 | 99.45 | 97.45 | 93.07 | 77.03 | 71.27 | 56.35 | 79.68 | |||||||||||||
1925 | 59.65 | 68.64 | 71.77 | 75.07 | 85.48 | 93.70 | 101.48 | 97.26 | 87.07 | 78.84 | 69.90 | 59.13 | 79.00 | |||||||||||||
1926 | 55.16 | 69.04 | 75.90 | 79.29 | b | 85.48 | 98.03 | 101.65 | 97.81 | 88.17 | 81.71 | 76.10 | 57.58 | 80.49 | ||||||||||||
1927 | 60.13 | 63.11 | 66.10 | 75.73 | 82.84 | 92.77 | 101.94 | 97.03 | 85.47 | 83.68 | 66.63 | 60.29 | 77.98 | |||||||||||||
1928 | 58.19 | 70.45 | 75.13 | 77.77 | 87.52 | 92.43 | 100.58 | 100.48 | 94.47 | 80.00 | 67.37 | 55.00 | 79.95 | |||||||||||||
1929 | 52.77 | 61.86 | 68.48 | 71.67 | 87.03 | 91.00 | 101.39 | 102.61 | 93.10 | 85.35 | 75.37 | 61.39 | 79.34 | |||||||||||||
1930 | 57.74 | 69.68 | 72.74 | 78.90 | 77.45 | 96.97 | 102.55 | 99.13 | 87.00 | 81.03 | 70.00 | 56.48 | 79.14 | |||||||||||||
1931 | 58.65 | 64.25 | 74.10 | 83.30 | 92.19 | 90.07 | 108.19 | 101.77 | 89.33 | 79.87 | 65.93 | 59.19 | 80.57 | |||||||||||||
1932 | 54.35 | 61.17 | 71.03 | 75.17 | 83.74 | 95.50 | 99.68 | 99.03 | 96.40 | 81.94 | 75.43 | 52.81 | 78.85 | |||||||||||||
1933 | 51.53 | a | 60.93 | 69.45 | 76.60 | 77.87 | 91.80 | 106.29 | 101.87 | 90.20 | 89.81 | 73.37 | 57.42 | 78.93 | ||||||||||||
1934 | 55.13 | 67.18 | 79.61 | 85.03 | 87.68 | 89.60 | 101.10 | 101.77 | 94.27 | 81.97 | 67.80 | 56.90 | 80.67 | |||||||||||||
1935 | 56.74 | 60.75 | 62.94 | 74.70 | 84.23 | 97.87 | 98.94 | 101.45 | 96.10 | 79.74 | 64.90 | 63.32 | 78.47 | |||||||||||||
1936 | 62.26 | 62.41 | 71.81 | 76.57 | 85.48 | 91.63 | 101.84 | 99.74 | 91.80 | 79.23 | 70.17 | 57.77 | 79.23 | |||||||||||||
1937 | 51.19 | 62.11 | 68.42 | 72.50 | 84.87 | 90.17 | 101.06 | 100.03 | 90.20 | ----- | z | ----- | z | ----- | z | 80.06 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.80 | 65.20 | 70.38 | 76.73 | 84.72 | 93.67 | 100.91 | 99.26 | 91.65 | 81.72 | 71.10 | 59.77 | 79.35 | |||||||||||||
S.D. | 3.16 | 4.17 | 4.86 | 4.30 | 4.75 | 2.96 | 3.31 | 2.66 | 3.77 | 3.87 | 3.57 | 3.76 | 1.25 | |||||||||||||
SKEW | -0.23 | -0.72 | -0.84 | 0.44 | 0.42 | -0.20 | 0.54 | -0.88 | -0.49 | 0.37 | 0.26 | 0.49 | -0.95 | |||||||||||||
MAX | 64.10 | 71.86 | 79.61 | 85.07 | 97.97 | 100.33 | 109.84 | 103.13 | 98.27 | 89.81 | 78.90 | 70.06 | 81.37 | |||||||||||||
MIN | 51.19 | 52.32 | 54.94 | 67.77 | 77.06 | 85.57 | 93.13 | 90.97 | 81.93 | 75.06 | 64.90 | 52.81 | 75.60 | |||||||||||||
YRS | 37 | 37 | 38 | 38 | 36 | 38 | 37 | 38 | 39 | 36 | 36 | 38 | 27 |