YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.87 | 57.55 | 55.68 | 53.07 | 40.32 | 31.87 | 28.32 | 46.24 | e | |||||||
1940 | 24.84 | 29.07 | 34.55 | 37.97 | 48.58 | 54.83 | 58.13 | 56.16 | 53.03 | 42.45 | 29.73 | 30.13 | 41.62 | |||||||||||||
1941 | 27.29 | 30.79 | 32.00 | 35.47 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.39 | h | ||||
1942 | ----- | z | ----- | z | 32.00 | n | 39.80 | 48.16 | 58.70 | 61.60 | f | 56.80 | a | 50.93 | 42.35 | 36.37 | 29.68 | 45.35 | d | |||||||
1943 | 28.00 | 30.39 | 34.26 | 42.63 | 48.68 | 54.70 | 56.94 | 60.45 | 54.30 | 42.43 | c | 32.47 | 25.94 | 42.60 | ||||||||||||
1944 | 24.45 | 29.38 | 31.81 | 38.00 | 46.87 | 56.10 | 59.81 | 58.68 | 52.87 | 44.68 | 31.10 | 27.45 | 41.77 | |||||||||||||
1945 | 26.97 | 30.61 | 31.63 | a | 36.70 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.48 | h | |||
1946 | ----- | z | ----- | z | ----- | z | 42.91 | s | 53.31 | b | 59.28 | a | 55.56 | f | 56.41 | d | 53.41 | c | 41.83 | m | 26.50 | f | 25.35 | h | 55.60 | h |
1947 | 20.10 | u | 22.29 | g | 21.11 | c | 23.46 | b | 37.10 | 43.42 | k | 66.97 | 57.16 | 56.23 | 43.36 | f | 16.73 | 8.74 | 35.94 | d | ||||||
1948 | 11.75 | g | 25.87 | f | 27.31 | b | 37.00 | c | 55.21 | l | 58.80 | 60.83 | a | 59.52 | 49.00 | 35.40 | a | 21.43 | b | 14.93 | b | 40.47 | c | |||
1949 | 11.44 | d | 8.43 | e | 18.46 | c | 26.41 | c | 35.35 | e | 49.36 | b | 50.39 | c | 48.58 | g | 42.00 | a | 35.57 | a | 30.17 | g | 16.66 | b | 29.41 | b |
1950 | 15.03 | 13.48 | a | 32.80 | k | 37.42 | k | 44.18 | c | 53.60 | 55.60 | a | 50.14 | b | 46.78 | g | 40.60 | a | 30.33 | c | 27.56 | m | 37.87 | d | ||
1951 | 22.12 | g | 23.96 | 31.37 | a | 36.50 | b | 44.13 | 50.37 | 60.84 | 58.87 | 51.07 | b | 40.95 | k | 28.67 | c | 26.27 | p | 42.86 | c | |||||
1952 | 29.08 | e | 23.96 | b | 27.52 | d | 35.88 | f | 46.21 | b | 55.67 | 56.69 | b | 57.39 | c | 49.40 | 38.89 | d | 33.07 | o | 21.48 | 40.63 | b | |||
1953 | 25.06 | 20.88 | d | 32.00 | 38.34 | a | 40.94 | 54.45 | a | 58.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.59 | e | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.57 | 24.10 | 29.27 | 35.66 | 44.86 | 55.23 | 58.38 | 57.02 | 51.39 | 40.30 | 28.74 | 22.59 | 42.00 | |||||||||||||
S.D. | 6.12 | 7.80 | 5.24 | 5.67 | 5.33 | 3.11 | 4.06 | 2.73 | 3.77 | 3.18 | 6.01 | 7.60 | 0.53 | |||||||||||||
SKEW | -1.19 | -0.98 | -1.07 | -1.24 | -0.44 | -0.51 | 0.20 | -1.35 | -1.36 | -0.47 | -0.97 | -0.66 | 0.65 | |||||||||||||
MAX | 29.08 | 30.79 | 34.55 | 42.63 | 53.31 | 59.28 | 66.97 | 60.45 | 56.23 | 44.68 | 36.37 | 30.13 | 42.60 | |||||||||||||
MIN | 11.44 | 8.43 | 18.46 | 23.46 | 35.35 | 49.36 | 50.39 | 50.14 | 42.00 | 35.40 | 16.73 | 8.74 | 41.62 | |||||||||||||
YRS | 9 | 10 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 9 | 9 | 9 | 3 |