YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 50.75 | v | ----- | z | 67.55 | 74.24 | 71.35 | 60.15 | 51.45 | 42.93 | 40.57 | p | 61.28 | f | ||||||
1923 | 37.23 | p | 36.02 | a | 36.27 | c | 46.37 | 55.50 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.54 | h | |
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 | 38.76 | 44.33 | a | 46.11 | 54.87 | g | 61.63 | 62.38 | b | 57.21 | a | 46.73 | 31.59 | b | 32.88 | f | 48.59 | d | ||||
1939 | 24.48 | b | 15.75 | b | 35.08 | 44.92 | 52.52 | 61.53 | 68.27 | 67.19 | 60.68 | 46.03 | 39.42 | 32.11 | 45.67 | |||||||||||
1940 | 27.60 | 31.41 | 38.34 | 43.65 | 52.90 | 62.93 | a | 68.27 | 66.95 | 60.80 | 53.03 | 36.10 | 36.83 | d | 48.24 | |||||||||||
1941 | 27.87 | 34.02 | 36.42 | 39.33 | 53.61 | 58.83 | 67.21 | 66.65 | 58.28 | 47.15 | a | 41.17 | 31.81 | 46.86 | ||||||||||||
1942 | 30.39 | 26.16 | 30.94 | 44.83 | 52.30 | a | 62.57 | 69.76 | 67.27 | a | 60.32 | 49.18 | 42.07 | 34.11 | 47.49 | |||||||||||
1943 | 31.94 | 37.46 | a | 39.56 | 50.22 | 53.23 | i | 64.89 | k | 69.69 | 68.44 | 61.92 | 51.93 | a | 39.25 | 31.06 | 48.15 | b | ||||||||
1944 | 28.95 | 32.34 | a | 35.71 | 42.14 | a | 52.79 | 61.40 | 66.97 | 68.60 | 60.75 | 52.11 | 36.32 | 31.56 | 47.47 | |||||||||||
1945 | 29.15 | 36.26 | a | 37.24 | 43.47 | 53.71 | 59.65 | 68.50 | 68.82 | 61.45 | a | 51.58 | 38.10 | 26.60 | 47.88 | |||||||||||
1946 | 26.52 | 31.27 | 39.56 | 51.15 | 52.10 | a | 65.33 | 68.05 | 66.06 | 61.05 | 47.17 | a | 36.27 | 35.71 | 48.35 | |||||||||||
1947 | 24.83 | a | 37.16 | 39.29 | 44.69 | a | 56.64 | b | 60.95 | 71.39 | 66.13 | 65.43 | b | 52.18 | 33.18 | 28.08 | 48.33 | |||||||||
1948 | 30.02 | c | 31.56 | c | 31.29 | 48.27 | 55.66 | 62.88 | 68.28 | a | 68.32 | 62.72 | 50.02 | a | 34.27 | 33.82 | n | 49.39 | a | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.17 | 31.76 | 36.54 | 45.28 | 53.08 | 62.36 | 68.52 | 67.35 | 60.90 | 49.88 | 37.55 | 31.99 | 47.54 | |||||||||||||
S.D. | 2.40 | 6.27 | 2.96 | 3.33 | 2.76 | 2.58 | 2.95 | 2.14 | 2.06 | 2.52 | 3.56 | 3.30 | 0.91 | |||||||||||||
SKEW | -0.17 | -1.60 | -0.84 | 0.25 | -1.30 | 0.67 | -0.44 | -0.53 | 0.35 | -0.34 | -0.07 | -0.15 | -1.08 | |||||||||||||
MAX | 31.94 | 37.46 | 39.56 | 51.15 | 56.64 | 67.55 | 74.24 | 71.35 | 65.43 | 53.03 | 42.93 | 36.83 | 48.35 | |||||||||||||
MIN | 24.48 | 15.75 | 30.94 | 39.33 | 46.11 | 58.83 | 61.63 | 62.38 | 57.21 | 46.03 | 31.59 | 26.60 | 45.67 | |||||||||||||
YRS | 10 | 11 | 12 | 12 | 11 | 10 | 12 | 12 | 12 | 12 | 12 | 9 | 8 |