| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1910 | ----- | z | ----- | z | ----- | z | 26.00 | a | 31.00 | 33.00 | 44.00 | 36.00 | b | 29.00 | b | 21.00 | s | 13.00 | c | 16.00 | 13.00 | |||||
| 1911 | -1.00 | 1.00 | 6.00 | 21.00 | 28.00 | h | 38.00 | i | 46.00 | 40.00 | c | 18.00 | a | 26.00 | 1.00 | b | 3.00 | c | -1.00 | |||||||
| 1912 | -5.00 | a | 10.00 | 10.00 | 21.00 | a | 35.00 | a | 36.00 | e | 39.00 | f | 35.00 | b | 33.00 | c | 23.00 | b | 22.00 | 1.00 | -5.00 | |||||
| 1913 | -10.00 | b | 1.00 | b | 5.00 | 24.00 | b | 30.00 | b | 42.00 | ----- | z | 46.00 | 34.00 | 27.00 | 19.00 | 10.00 | -10.00 | ||||||||
| 1914 | 2.00 | -4.00 | 21.00 | 29.00 | 30.00 | 31.00 | 50.00 | 48.00 | 33.00 | 32.00 | 19.00 | -2.00 | -4.00 | |||||||||||||
| 1915 | -4.00 | 19.00 | 27.00 | ----- | z | 40.00 | h | 34.00 | d | 40.00 | f | 52.00 | ----- | z | ----- | z | ----- | z | ----- | z | -4.00 | |||||
| 1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1944 | ----- | z | ----- | z | ----- | z | ----- | z | 26.00 | 41.00 | 43.00 | 45.00 | 33.00 | a | 35.00 | a | 16.00 | 9.00 | h | 9.00 | ||||||
| 1945 | 5.00 | 14.00 | 9.00 | 23.00 | 33.00 | 34.00 | o | 46.00 | 40.00 | 32.00 | 24.00 | 16.00 | 3.00 | 3.00 | ||||||||||||
| 1946 | 2.00 | 3.00 | 19.00 | 27.00 | 28.00 | 39.00 | 46.00 | 45.00 | 31.00 | 19.00 | 16.00 | 9.00 | 2.00 | |||||||||||||
| 1947 | -10.00 | 12.00 | 19.00 | 23.00 | 38.00 | 37.00 | 50.00 | 44.00 | 32.00 | 29.00 | 13.00 | 7.00 | -10.00 | |||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.00 | 33.00 | 23.00 | 10.00 | -14.00 | -14.00 | ||||||
| 1949 | -17.00 | -4.00 | 18.00 | 26.00 | 33.00 | a | 34.00 | 44.00 | 47.00 | 27.00 | 23.00 | 21.00 | 2.00 | -17.00 | ||||||||||||
| 1950 | -14.00 | -21.00 | 8.00 | 22.00 | 24.00 | 34.00 | 44.00 | 46.00 | 31.00 | 26.00 | 16.00 | 15.00 | -21.00 | |||||||||||||
| 1951 | -11.00 | -2.00 | 4.00 | 24.00 | 28.00 | 35.00 | 45.00 | 37.00 | 35.00 | 27.00 | 15.00 | -5.00 | -11.00 | |||||||||||||
| 1952 | -9.00 | -5.00 | 10.00 | 24.00 | 36.00 | 37.00 | 45.00 | 44.00 | 39.00 | 29.00 | 6.00 | 7.00 | -9.00 | |||||||||||||
| 1953 | 20.00 | 12.00 | 20.00 | 22.00 | 29.00 | 34.00 | 48.00 | 45.00 | ----- | z | ----- | z | 21.00 | q | 10.00 | k | 10.00 | |||||||||
| 1954 | 8.00 | d | 20.00 | 18.00 | 25.00 | 28.00 | a | 35.00 | 41.00 | 43.00 | 28.00 | 25.00 | g | 9.00 | ----- | z | 8.00 | |||||||||
| 1955 | 2.00 | i | 0.00 | f | 2.00 | a | 20.00 | 33.00 | n | 38.00 | 37.00 | 50.00 | 31.00 | 21.00 | ----- | z | ----- | z | 0.00 | |||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | -3.14 | 4.00 | 13.07 | 23.80 | 30.64 | 36.00 | 44.93 | 43.67 | 31.19 | 26.00 | 14.13 | 4.00 | -10.00 | |||||||||||||
| S.D. | 9.95 | 11.21 | 7.58 | 2.48 | 3.95 | 3.02 | 3.38 | 4.61 | 4.51 | 4.31 | 5.71 | 8.16 | 7.66 | |||||||||||||
| SKEW | 0.75 | -0.45 | 0.16 | 0.41 | 0.27 | 0.51 | -0.57 | -0.32 | -1.38 | 0.44 | -0.77 | -0.54 | 0.11 | |||||||||||||
| MAX | 20.00 | 20.00 | 27.00 | 29.00 | 38.00 | 42.00 | 50.00 | 52.00 | 39.00 | 35.00 | 22.00 | 16.00 | 2.00 | |||||||||||||
| MIN | -17.00 | -21.00 | 2.00 | 20.00 | 24.00 | 31.00 | 37.00 | 35.00 | 18.00 | 19.00 | 1.00 | -14.00 | -21.00 | |||||||||||||
| NO YRS | 14 | 14 | 15 | 15 | 14 | 15 | 14 | 18 | 16 | 14 | 15 | 13 | 7 | |||||||||||||