YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1918 | ----- | z | ----- | z | ----- | z | 41.85 | c | 47.55 | 61.03 | 62.10 | a | 61.19 | 55.03 | 41.84 | 31.60 | 25.97 | a | 47.57 | c | ||||||
1919 | 17.52 | 22.68 | 32.77 | 43.93 | 55.03 | 64.43 | 63.00 | 61.71 | 56.69 | a | 47.42 | 35.53 | 27.00 | g | 45.52 | a | ||||||||||
1920 | 29.55 | 35.17 | 29.10 | a | 37.73 | 48.68 | 57.43 | 63.19 | 60.10 | 54.77 | 41.61 | 29.37 | 15.74 | 41.87 | ||||||||||||
1921 | 25.29 | 26.18 | 38.74 | 36.63 | 48.32 | 57.93 | 64.29 | 62.16 | 59.43 | 43.23 | 27.17 | 30.84 | 43.35 | |||||||||||||
1922 | 20.58 | 26.50 | 29.48 | b | 37.60 | 49.26 | 59.60 | 62.65 | 61.84 | 56.04 | b | 41.58 | 28.20 | 21.42 | 41.23 | |||||||||||
1923 | 26.23 | 26.93 | 29.68 | 40.30 | 48.03 | 55.57 | 61.42 | 60.90 | 49.90 | 40.53 | a | 31.30 | 24.17 | h | 42.80 | a | ||||||||||
1924 | 19.70 | h | 23.72 | 29.29 | 36.77 | 48.52 | 57.57 | 61.97 | 67.87 | 55.13 | 39.50 | a | 29.03 | 21.10 | 42.77 | a | ||||||||||
1925 | 12.45 | ----- | z | ----- | z | 39.67 | 51.57 | a | 59.03 | 61.68 | 57.77 | a | 56.40 | 41.16 | 28.07 | 19.29 | 42.71 | b | ||||||||
1926 | 18.13 | 26.14 | 33.52 | 41.03 | 46.71 | 54.70 | 58.48 | 56.00 | 54.33 | 44.26 | 30.97 | 29.42 | 41.14 | |||||||||||||
1927 | 27.68 | 33.57 | 32.55 | 39.80 | 46.58 | 51.40 | 63.42 | 61.16 | 56.30 | 40.81 | 34.73 | 28.42 | 43.03 | |||||||||||||
1928 | 24.97 | 33.70 | b | 42.42 | 40.67 | 54.19 | 58.97 | 62.29 | 60.97 | 52.43 | 44.13 | 34.23 | 24.94 | 44.49 | ||||||||||||
1929 | 22.42 | 28.04 | 31.90 | a | 39.73 | 48.81 | 58.00 | 59.61 | 60.84 | 55.37 | 45.35 | 27.87 | 22.71 | 41.72 | ||||||||||||
1930 | 25.13 | a | 27.75 | 35.29 | 41.70 | 43.00 | 58.20 | 59.68 | 59.74 | 48.77 | 38.58 | 32.27 | 24.74 | 41.24 | ||||||||||||
1931 | 26.00 | 33.14 | 30.61 | 41.13 | 48.81 | 54.73 | 61.58 | 59.29 | 57.67 | 46.00 | 32.33 | 25.32 | 43.05 | |||||||||||||
1932 | 22.90 | 33.38 | 31.68 | 41.27 | 50.58 | 56.33 | 64.45 | 62.87 | 53.67 | 43.84 | 29.90 | 25.48 | 43.03 | |||||||||||||
1933 | 24.39 | 26.86 | 35.84 | 40.47 | 47.87 | 65.97 | 69.48 | 67.77 | 63.70 | 56.03 | 34.03 | 24.97 | 46.45 | |||||||||||||
1934 | 20.52 | 29.50 | 32.65 | 46.53 | 55.61 | 58.30 | 65.55 | 64.48 | 51.97 | 44.97 | 34.10 | 29.13 | 44.44 | |||||||||||||
1935 | 29.97 | ----- | z | 34.94 | 44.50 | 49.29 | 58.00 | 63.61 | 62.68 | 54.13 | 47.23 | 34.10 | 32.74 | 46.47 | a | |||||||||||
1936 | 26.87 | 35.21 | 37.52 | 43.43 | 55.29 | 58.83 | 63.26 | 67.48 | 63.90 | a | 52.74 | 34.67 | 29.55 | 47.40 | ||||||||||||
1937 | 24.13 | 31.25 | 32.45 | 41.03 | 51.03 | 60.63 | 68.03 | 68.35 | 63.80 | 56.03 | ----- | z | 34.10 | 48.26 | a | |||||||||||
1938 | 31.32 | 36.85 | a | 34.39 | 41.70 | 51.81 | ----- | z | 61.29 | 59.81 | 55.90 | 47.81 | 26.27 | 24.87 | 42.91 | a | ||||||||||
1939 | 24.55 | 21.89 | 35.00 | a | 42.27 | 49.58 | 60.37 | 59.45 | 59.74 | 49.70 | 37.32 | 30.30 | 24.42 | 41.22 | ||||||||||||
1940 | 21.87 | ----- | z | 35.03 | 37.57 | 45.32 | ----- | z | 65.80 | a | 60.58 | 59.87 | 45.16 | ----- | z | ----- | z | 46.40 | d | |||||||
1941 | 28.16 | 36.71 | 32.84 | 38.20 | 55.29 | 61.87 | 66.74 | 67.03 | 62.53 | 51.29 | ----- | z | 30.06 | 48.25 | a | |||||||||||
1942 | 28.45 | ----- | z | 36.07 | a | 45.97 | 54.43 | a | 65.63 | 68.00 | 64.84 | 59.62 | a | 49.74 | 35.03 | ----- | z | 50.78 | b | |||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.52 | d | ----- | z | ----- | z | ----- | z | ----- | z | 64.52 | k |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | 41.13 | 48.65 | ----- | z | 62.32 | 61.32 | 51.97 | 43.34 | b | 27.57 | 26.13 | 45.30 | d | |||||||
1946 | 27.79 | b | 25.64 | 36.29 | 47.10 | 50.90 | 60.17 | a | 62.71 | 63.97 | 59.50 | 44.38 | b | 29.47 | 27.39 | 44.61 | ||||||||||
1947 | 23.80 | a | 28.54 | 36.71 | 40.33 | 52.45 | 57.14 | a | 61.68 | 61.53 | a | 51.43 | 41.94 | 27.79 | a | 26.42 | s | 43.94 | a | |||||||
1948 | ----- | z | ----- | z | ----- | z | 43.63 | c | 49.39 | 59.13 | 60.00 | 58.19 | 51.20 | 41.00 | 24.92 | r | ----- | z | 51.79 | e | ||||||
1949 | ----- | z | 30.12 | d | 35.74 | 43.70 | 49.03 | 60.20 | 64.90 | 59.90 | 56.33 | 47.29 | x | ----- | z | ----- | z | 49.99 | d | |||||||
1950 | ----- | z | ----- | z | 40.40 | u | 46.13 | 50.58 | 60.87 | 64.32 | 58.16 | 52.53 | 45.54 | g | ----- | z | ----- | z | 55.43 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.43 | 29.54 | 33.94 | 41.40 | 50.07 | 59.00 | 63.13 | 62.02 | 55.81 | 44.79 | 31.04 | 26.03 | 43.22 | |||||||||||||
S.D. | 4.30 | 4.47 | 3.16 | 2.85 | 3.09 | 3.17 | 2.64 | 3.17 | 4.19 | 4.76 | 2.91 | 4.30 | 1.95 | |||||||||||||
SKEW | -0.85 | 0.10 | 0.49 | 0.26 | 0.18 | 0.20 | 0.54 | 0.52 | 0.41 | 0.89 | 0.06 | -0.31 | 0.74 | |||||||||||||
MAX | 31.32 | 36.85 | 42.42 | 47.10 | 55.61 | 65.97 | 69.48 | 68.35 | 63.90 | 56.03 | 35.53 | 34.10 | 47.40 | |||||||||||||
MIN | 12.45 | 21.89 | 29.10 | 36.63 | 43.00 | 51.40 | 58.48 | 56.00 | 48.77 | 37.32 | 26.27 | 15.74 | 41.14 | |||||||||||||
YRS | 25 | 23 | 26 | 31 | 31 | 28 | 31 | 32 | 31 | 29 | 25 | 23 | 15 |