YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1917 | ----- | z | ----- | z | ----- | z | 43.54 | c | 47.23 | 61.70 | 69.53 | 65.23 | 60.50 | 46.94 | 40.92 | 35.24 | 52.31 | c | ||||||||
1918 | 20.47 | 32.39 | 40.69 | 40.98 | ----- | z | 67.07 | 66.65 | 64.76 | 56.78 | 49.68 | 34.25 | 26.68 | 45.49 | a | |||||||||||
1919 | 25.66 | 25.75 | 35.24 | 47.32 | 51.97 | ----- | z | 66.33 | a | 66.19 | 60.48 | 46.60 | 36.33 | 31.06 | 44.81 | a | ||||||||||
1920 | 36.15 | 34.84 | 34.37 | 38.78 | 53.45 | 62.80 | 66.97 | 63.11 | 56.52 | 48.45 | 39.07 | 27.81 | 46.86 | |||||||||||||
1921 | ----- | z | 32.23 | 42.23 | 41.62 | 54.94 | 62.63 | 65.63 | 63.71 | ----- | z | 48.87 | 42.10 | 34.48 | 48.84 | b | ||||||||||
1922 | 23.02 | 30.05 | 36.00 | 44.92 | 55.02 | 66.98 | 71.40 | 76.87 | 63.85 | ----- | z | 36.38 | ----- | z | 50.45 | b | ||||||||||
1923 | 31.73 | 30.20 | 36.37 | 44.42 | 54.66 | 66.62 | 70.85 | 67.10 | ----- | z | 46.40 | 39.73 | 30.48 | 47.14 | a | |||||||||||
1924 | ----- | z | 34.45 | 30.81 | 47.87 | 54.42 | 69.97 | 70.85 | 68.15 | 61.12 | 50.90 | ----- | z | 26.65 | 51.52 | b | ||||||||||
1925 | 27.00 | 36.73 | 41.66 | 52.22 | 57.61 | 63.42 | 69.61 | ----- | z | 59.65 | ----- | z | 36.12 | 29.19 | 47.32 | b | ||||||||||
1926 | 26.00 | 36.04 | 36.85 | 45.93 | 54.24 | ----- | z | 67.11 | 67.82 | 63.22 | 53.10 | 38.50 | 30.06 | 47.17 | a | |||||||||||
1927 | 34.23 | 34.84 | 37.44 | ----- | z | 64.65 | ----- | z | 72.29 | ----- | z | 63.28 | ----- | z | 41.92 | 24.32 | 46.62 | d | ||||||||
1928 | 32.19 | 30.72 | 39.42 | 45.15 | 55.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.79 | 38.54 | f | ||||||
1929 | 27.44 | 25.16 | 38.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.42 | ----- | z | ----- | z | 31.87 | a | 36.12 | g | ||||
1930 | ----- | z | 39.55 | ----- | z | 53.50 | 55.53 | 65.38 | 69.08 | a | 67.73 | 60.32 | 49.73 | 37.93 | ----- | z | 55.42 | c | ||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.63 | 65.69 | ----- | z | ----- | z | 36.65 | 29.27 | 50.31 | h | ||||
1932 | 24.87 | 36.05 | 34.18 | 47.38 | 55.87 | 62.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.39 | f | ||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.56 | 37.56 | k | |
1934 | 30.73 | 35.41 | 41.47 | 47.25 | 57.44 | 64.37 | 70.85 | 71.24 | 60.65 | 54.90 | 41.13 | 32.23 | 50.64 | |||||||||||||
1935 | 35.42 | 35.54 | 43.42 | 49.43 | 55.39 | 65.60 | 70.27 | 68.11 | 61.40 | 50.82 | 38.38 | 30.26 | 50.34 | |||||||||||||
1936 | 26.92 | 33.69 | 42.76 | 49.93 | 59.50 | 66.87 | 71.69 | 71.90 | 59.10 | 49.34 | 37.47 | 31.42 | 50.05 | |||||||||||||
1937 | 20.32 | 33.79 | ----- | z | 49.18 | 59.89 | 64.67 | 70.52 | 71.23 | 63.72 | 52.90 | 40.22 | 32.00 | 50.77 | a | |||||||||||
1938 | 30.02 | 32.48 | 42.66 | 47.43 | 55.13 | 63.93 | 67.60 | 69.58 | 61.78 | 53.18 | 35.77 | 33.05 | 49.38 | |||||||||||||
1939 | 30.05 | 24.89 | 41.58 | 49.75 | 56.71 | 65.32 | 70.05 | l | 67.71 | 63.27 | 49.15 | 37.47 | 31.37 | 47.02 | a | |||||||||||
1940 | 21.06 | 27.84 | 39.24 | 44.63 | 53.77 | 64.40 | 67.18 | 66.21 | 61.32 | 53.29 | 34.98 | 29.79 | 46.98 | |||||||||||||
1941 | 30.08 | 37.07 | 36.13 | 45.37 | 56.31 | 60.95 | 67.42 | 66.81 | 61.07 | 48.19 | 38.95 | ----- | z | 49.85 | a | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.07 | 32.71 | 38.56 | 46.50 | 55.70 | 64.70 | 69.07 | 67.85 | 60.81 | 50.14 | 38.21 | 30.60 | 49.04 | |||||||||||||
S.D. | 4.84 | 4.03 | 3.51 | 3.61 | 3.32 | 2.29 | 2.03 | 3.26 | 2.21 | 2.58 | 2.29 | 3.08 | 1.70 | |||||||||||||
SKEW | -0.06 | -0.59 | -0.39 | -0.16 | 0.24 | 0.36 | -0.14 | 1.05 | -0.49 | 0.26 | 0.13 | 0.18 | -0.53 | |||||||||||||
MAX | 36.15 | 39.55 | 43.42 | 53.50 | 64.65 | 69.97 | 72.29 | 76.87 | 63.85 | 54.90 | 42.10 | 37.56 | 50.64 | |||||||||||||
MIN | 20.32 | 24.89 | 30.81 | 38.78 | 47.23 | 60.95 | 65.63 | 63.11 | 56.52 | 46.40 | 34.25 | 24.32 | 46.86 | |||||||||||||
YRS | 19 | 22 | 20 | 21 | 21 | 18 | 20 | 19 | 19 | 17 | 20 | 21 | 6 |