YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1917 | ----- | z | ----- | z | ----- | z | 60.03 | 60.32 | 80.87 | 87.13 | 81.90 | 78.03 | 67.45 | 58.90 | 54.61 | 69.92 | c | |||||||||
1918 | 38.81 | 51.21 | 57.48 | 56.70 | ----- | z | 85.67 | 82.29 | 82.84 | 73.00 | 66.61 | 51.60 | 42.94 | 62.65 | a | |||||||||||
1919 | 44.45 | 43.14 | 49.68 | 63.27 | 66.23 | ----- | z | 82.58 | 84.68 | 78.57 | 64.10 | 54.47 | 49.61 | 61.89 | a | |||||||||||
1920 | 55.58 | 52.76 | 52.90 | 56.03 | 68.10 | 80.37 | 86.39 | 81.13 | 75.97 | 69.90 | 56.63 | 43.71 | 64.96 | |||||||||||||
1921 | ----- | z | 48.54 | 60.81 | 59.80 | 70.58 | 80.70 | 81.16 | 77.87 | ----- | z | 70.32 | 66.83 | 57.42 | 67.40 | b | ||||||||||
1922 | 43.55 | 51.64 | 54.87 | 63.00 | 73.52 | 85.30 | 89.55 | 88.94 | 83.17 | ----- | z | 54.50 | ----- | z | 68.80 | b | ||||||||||
1923 | 50.71 | 49.54 | 55.35 | 63.03 | 73.48 | 83.63 | 90.13 | 83.90 | ----- | z | 59.06 | 57.30 | 44.74 | 64.63 | a | |||||||||||
1924 | ----- | z | 50.38 | 46.65 | 64.70 | 71.16 | 87.37 | 86.61 | 88.23 | 83.37 | 72.42 | ----- | z | 43.58 | 69.45 | b | ||||||||||
1925 | 45.06 | 56.00 | 62.90 | 71.90 | 76.58 | 83.63 | 87.71 | ----- | z | 78.47 | ----- | z | 55.23 | 46.35 | 66.38 | b | ||||||||||
1926 | 42.52 | 54.04 | 52.65 | 62.70 | 71.65 | ----- | z | 86.52 | 88.48 | 82.27 | 74.48 | 59.97 | 48.81 | 65.82 | a | |||||||||||
1927 | 55.03 | 52.93 | 57.52 | ----- | z | 81.90 | ----- | z | 86.23 | ----- | z | 76.17 | ----- | z | 63.77 | 43.13 | 64.58 | d | ||||||||
1928 | 52.42 | 48.10 | 57.32 | 64.63 | 73.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.45 | 56.70 | f | ||||||
1929 | 44.45 | 42.32 | 58.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.90 | ----- | z | ----- | z | 52.03 | a | 54.86 | g | ||||
1930 | ----- | z | 62.29 | ----- | z | 74.93 | 74.03 | 86.03 | 87.13 | a | 86.48 | 82.17 | 66.94 | 58.80 | ----- | z | 75.42 | c | ||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.23 | 85.16 | 81.00 | ----- | z | 55.57 | 48.35 | 72.06 | g | |||||
1932 | 41.90 | 55.03 | 54.94 | 68.27 | 75.77 | 83.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.17 | f | ||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.87 | 57.87 | k | |
1934 | 50.84 | 54.71 | 64.39 | 70.20 | 81.71 | 87.70 | 93.35 | 91.35 | 80.90 | 77.55 | 60.47 | 51.61 | 72.07 | |||||||||||||
1935 | 54.68 | 55.61 | 66.26 | 74.20 | 74.29 | 87.77 | 90.16 | 86.10 | 80.90 | 71.10 | 60.27 | 50.55 | 70.99 | |||||||||||||
1936 | 45.90 | 54.10 | 66.06 | 72.93 | 78.74 | 87.93 | 90.84 | 89.45 | 79.87 | 68.16 | 59.27 | 51.94 | 70.43 | |||||||||||||
1937 | 42.90 | 54.18 | 56.71 | 70.90 | 79.81 | 84.90 | 89.32 | 91.71 | 82.47 | 75.00 | 62.17 | 52.23 | 70.19 | |||||||||||||
1938 | 50.19 | 50.61 | 61.87 | 67.57 | 74.06 | 81.00 | 87.32 | 90.90 | 79.97 | 74.00 | 56.83 | 51.42 | 68.81 | |||||||||||||
1939 | 48.42 | 45.04 | 62.48 | 72.27 | 78.84 | 88.63 | 93.53 | l | 89.84 | 83.63 | 73.81 | 62.10 | 52.55 | 68.87 | a | |||||||||||
1940 | 36.42 | 42.83 | 59.48 | 63.47 | 71.52 | 85.57 | 87.26 | 83.42 | 77.93 | 73.32 | 53.23 | 44.68 | 64.93 | |||||||||||||
1941 | 43.97 | 52.96 | 51.29 | 60.03 | 69.48 | 76.60 | 85.00 | 85.52 | 80.20 | 66.35 | 61.23 | ----- | z | 66.60 | a | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.73 | 51.27 | 57.63 | 65.74 | 73.57 | 84.26 | 87.35 | 86.21 | 79.75 | 70.03 | 58.46 | 49.17 | 68.91 | |||||||||||||
S.D. | 5.51 | 4.87 | 5.33 | 5.74 | 5.21 | 3.30 | 3.05 | 3.81 | 2.85 | 4.67 | 3.81 | 4.64 | 2.88 | |||||||||||||
SKEW | 0.07 | -0.19 | -0.15 | 0.05 | -0.48 | -0.63 | -0.27 | -0.35 | -0.57 | -0.55 | 0.21 | 0.21 | -0.60 | |||||||||||||
MAX | 55.58 | 62.29 | 66.26 | 74.93 | 81.90 | 88.63 | 93.35 | 91.71 | 83.63 | 77.55 | 66.83 | 57.87 | 72.07 | |||||||||||||
MIN | 36.42 | 42.32 | 46.65 | 56.03 | 60.32 | 76.60 | 81.16 | 77.87 | 73.00 | 59.06 | 51.60 | 42.94 | 64.93 | |||||||||||||
YRS | 19 | 22 | 21 | 21 | 21 | 18 | 20 | 19 | 20 | 17 | 20 | 21 | 7 |