YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.50 | d | 48.86 | b | 48.56 | d | 40.86 | i | 34.31 | r | ----- | z | ----- | z | 45.64 | i |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.21 | b | 48.36 | c | 45.20 | f | 40.83 | ----- | z | ----- | z | ----- | z | 44.80 | i | |
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 | 31.73 | 37.68 | 45.83 | 54.71 | 53.23 | 46.90 | a | 30.39 | 25.04 | b | 18.29 | 38.20 | c | |||||||
1940 | ----- | z | 22.44 | m | 24.88 | e | 31.86 | a | 37.38 | e | 48.21 | b | 54.30 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.33 | g |
1941 | ----- | z | ----- | z | 24.40 | f | 27.79 | a | 37.74 | 41.50 | 49.37 | a | 50.26 | 42.60 | 32.55 | 23.07 | 18.68 | 35.95 | c | |||||||
1942 | 12.29 | 14.54 | ----- | z | 29.15 | d | 33.19 | 41.37 | 53.42 | 50.87 | 41.53 | 36.00 | 27.36 | b | 21.39 | c | 32.83 | a | ||||||||
1943 | 19.06 | 19.50 | f | 26.10 | a | 31.03 | 38.26 | 44.17 | 51.03 | a | 52.55 | 44.07 | 33.42 | 18.21 | a | 18.39 | 34.21 | a | ||||||||
1944 | 11.38 | b | 17.88 | d | 18.65 | h | 26.17 | g | 32.68 | 39.50 | 48.16 | 50.03 | 43.41 | a | ----- | z | 22.81 | c | ----- | z | 33.23 | d | ||||
1945 | 8.93 | p | 23.59 | a | 23.48 | f | 28.83 | g | 31.57 | h | 40.13 | 52.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.80 | i | ||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | 12.19 | o | 22.04 | 23.44 | d | 25.86 | h | 41.95 | k | 40.10 | i | 49.87 | h | 51.90 | 46.97 | 32.13 | 14.69 | d | 10.30 | k | 31.86 | f | ||||
1948 | 11.90 | k | 19.60 | d | 19.88 | f | 30.79 | a | 35.70 | a | 41.23 | 51.17 | a | 51.16 | 45.77 | 33.70 | a | 14.10 | j | 20.08 | e | 36.58 | c | |||
1949 | 6.45 | b | 10.70 | e | 21.81 | e | 30.74 | k | 33.26 | 43.70 | 52.47 | a | 46.77 | a | 45.50 | b | 28.88 | g | 22.74 | g | 11.60 | f | 32.58 | d | ||
1950 | 18.82 | i | 22.44 | c | 24.77 | a | 30.53 | 33.45 | 40.46 | d | 52.73 | a | 45.68 | 40.04 | b | 36.48 | 25.20 | 22.52 | b | 34.03 | a | |||||
1951 | 19.10 | 18.33 | g | 22.40 | a | 29.27 | 34.83 | a | 38.23 | 52.77 | 50.03 | 40.24 | e | 33.57 | c | 23.50 | 18.50 | a | 32.95 | a | ||||||
1952 | 19.35 | 17.39 | a | 20.13 | 29.52 | a | 35.93 | a | 45.45 | a | 50.94 | 53.00 | c | 46.30 | 33.50 | e | 19.20 | 15.60 | a | 32.19 | ||||||
1953 | 23.50 | a | 18.39 | 25.03 | 30.21 | a | 33.97 | 44.90 | a | 53.84 | 50.93 | c | 43.29 | b | 32.75 | c | 26.37 | c | 14.39 | 33.13 | ||||||
1954 | 20.74 | 23.29 | 23.68 | 32.48 | a | 40.79 | c | 46.37 | 54.27 | a | 51.03 | b | 46.48 | a | 36.23 | 26.70 | 19.16 | 35.10 | ||||||||
1955 | 15.84 | 13.71 | 24.83 | a | 28.53 | 36.87 | 43.13 | 50.84 | 52.93 | a | 43.25 | b | 36.11 | c | 25.19 | c | 26.14 | i | 33.75 | a | ||||||
1956 | 24.57 | h | 13.04 | c | 19.96 | g | 28.78 | g | 38.03 | 49.74 | k | 51.06 | 50.97 | b | 48.64 | h | 35.75 | g | 18.11 | k | 18.00 | n | 38.28 | h | ||
1957 | 23.08 | g | 27.54 | b | 28.32 | c | 29.64 | b | 34.70 | a | 48.37 | 50.23 | 50.19 | 42.73 | 36.40 | a | 21.54 | b | 22.90 | b | 35.69 | a | ||||
1958 | 17.21 | b | 24.62 | b | 23.29 | c | 31.00 | b | 41.47 | a | 50.27 | 55.87 | 57.81 | e | 45.85 | q | 37.35 | 24.00 | 22.35 | 35.02 | a | |||||
1959 | 18.84 | 21.88 | c | 23.61 | 31.85 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.04 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 16.71 | 19.38 | 24.02 | 30.36 | 36.23 | 43.55 | 51.85 | 50.99 | 43.74 | 34.33 | 23.06 | 19.35 | 33.47 | |||||||||||||
S.D. | 4.89 | 4.84 | 2.03 | 1.36 | 2.62 | 3.40 | 2.21 | 2.63 | 2.37 | 2.08 | 3.59 | 2.67 | 1.48 | |||||||||||||
SKEW | -0.79 | -0.21 | 0.17 | -0.22 | 0.44 | 0.26 | -0.06 | 0.35 | -0.09 | -0.17 | -0.98 | -0.33 | 0.40 | |||||||||||||
MAX | 23.50 | 27.54 | 28.32 | 32.48 | 41.47 | 50.27 | 55.87 | 57.81 | 46.97 | 37.35 | 27.36 | 22.90 | 35.10 | |||||||||||||
MIN | 6.45 | 10.70 | 20.13 | 27.79 | 32.68 | 38.23 | 48.16 | 45.68 | 40.04 | 30.39 | 14.69 | 14.39 | 32.19 | |||||||||||||
YRS | 11 | 15 | 13 | 15 | 17 | 19 | 20 | 18 | 16 | 14 | 14 | 12 | 3 |