YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1918 | ----- | z | ----- | z | ----- | z | 60.06 | c | 66.66 | 77.48 | 77.67 | a | 75.08 | 71.00 | 61.23 | 47.75 | 40.48 | a | 64.16 | c | ||||||
1919 | 37.08 | 43.69 | b | 51.02 | 62.28 | 70.32 | 77.83 | 76.94 | 78.11 | 70.74 | c | 61.56 | 51.13 | 44.88 | g | 61.88 | a | |||||||||
1920 | 43.73 | 49.80 | a | 49.75 | a | 56.17 | 68.50 | 72.93 | 78.39 | 73.69 | 71.32 | 59.73 | 48.02 | a | 37.19 | 59.10 | ||||||||||
1921 | 44.06 | 46.16 | 56.94 | 57.15 | 67.74 | 75.50 | 78.03 | 76.76 | 73.45 | 61.76 | 48.83 | 46.77 | 61.10 | |||||||||||||
1922 | 38.89 | 46.14 | 50.52 | b | 58.40 | 69.35 | 77.97 | 79.50 | 78.87 | 73.38 | b | 59.82 | 47.27 | 43.77 | 60.32 | |||||||||||
1923 | 45.06 | 43.18 | 48.68 | 59.95 | 69.65 | 77.10 | 79.19 | 76.76 | 70.03 | 61.08 | a | 47.53 | 37.24 | h | 61.66 | a | ||||||||||
1924 | 38.04 | h | 44.00 | 48.98 | 57.50 | 68.13 | 78.68 | 76.73 | 81.24 | 71.03 | 59.13 | a | 50.02 | 37.55 | 61.18 | a | ||||||||||
1925 | 34.06 | ----- | z | ----- | z | 62.58 | 70.20 | a | 77.43 | 79.32 | a | 74.85 | a | 75.16 | a | 57.34 | 48.30 | 35.06 | 61.43 | b | ||||||
1926 | 34.65 | 47.38 | 50.24 | 57.67 | 65.92 | 75.57 | 76.44 | 74.47 | 72.10 | 60.74 | 49.22 | 43.44 | 58.98 | |||||||||||||
1927 | 45.50 | 50.95 | 51.10 | 60.08 | 69.29 | 73.80 | 80.37 | 77.26 | 73.53 | 61.71 | 55.08 | 40.89 | 61.63 | |||||||||||||
1928 | 43.65 | 47.85 | b | 59.90 | 59.03 | 70.77 | 77.45 | 79.40 | 75.69 | 71.00 | a | 63.94 | 49.62 | 43.66 | 61.83 | |||||||||||
1929 | 42.13 | 45.27 | 51.07 | a | 60.52 | 68.39 | 78.32 | 77.00 | 75.56 | 71.12 | 61.40 | a | 47.07 | 42.21 | 60.00 | |||||||||||
1930 | 42.20 | a | 48.96 | 51.84 | 61.33 | 64.87 | 76.77 | 77.24 | 75.56 | 68.02 | 59.39 | 49.20 | 41.23 | 59.72 | ||||||||||||
1931 | 41.76 | 48.38 | 49.81 | 59.93 | 67.61 | 76.13 | 79.27 | 75.65 | 74.32 | 67.73 | 52.57 | 41.15 | 61.19 | |||||||||||||
1932 | 40.13 | 50.28 | 49.50 | 61.78 | 69.45 | 75.90 | 79.76 | 77.32 | 70.60 | 61.11 | 48.85 | 40.39 | 60.42 | |||||||||||||
1933 | 41.53 | 44.23 | 55.16 | 58.27 | 66.05 | 79.62 | 81.08 | 79.73 | 77.27 | 69.16 | 53.43 | 46.65 | 62.68 | |||||||||||||
1934 | 42.53 | 49.63 | a | 55.47 | 64.17 | 73.61 | 76.27 | 80.00 | 79.11 | 71.72 | 65.52 | 53.77 | 47.48 | 63.27 | ||||||||||||
1935 | 46.89 | ----- | z | 55.11 | 62.75 | 66.39 | 75.83 | 79.89 | 77.34 | 70.23 | 63.42 | 53.20 | 46.11 | 63.38 | a | |||||||||||
1936 | 41.50 | 48.31 | 52.58 | 62.77 | 71.47 | 76.55 | 78.97 | 79.31 | 75.20 | b | 65.60 | 49.63 | 45.40 | 62.27 | ||||||||||||
1937 | 41.44 | 48.59 | a | 51.00 | 61.53 | 70.06 | 77.48 | 81.37 | 81.06 | 75.48 | 67.85 | ----- | z | 45.39 | 63.75 | a | ||||||||||
1938 | 44.68 | 51.41 | a | 52.40 | 59.57 | 70.42 | ----- | z | 77.82 | 77.11 | 71.20 | 64.90 | 46.42 | 43.02 | 59.90 | a | ||||||||||
1939 | 41.52 | 39.38 | 53.42 | a | 60.98 | 68.97 | 78.68 | 75.69 | 75.53 | 68.17 | 57.13 | 48.17 | 43.61 | 59.27 | ||||||||||||
1940 | 38.07 | a | ----- | z | 52.60 | 58.70 | 66.84 | ----- | z | 79.77 | a | 75.11 | 73.98 | 62.16 | ----- | z | ----- | z | 63.40 | d | ||||||
1941 | 42.15 | 50.18 | 49.13 | 54.60 | 70.35 | 75.90 | 79.53 | 78.94 | 73.27 | 63.90 | ----- | z | 44.81 | 62.07 | a | |||||||||||
1942 | 44.27 | a | ----- | z | 51.10 | a | 61.50 | a | 71.07 | a | 81.25 | 81.69 | 77.18 | 73.16 | a | 63.28 | a | 54.30 | ----- | z | 65.88 | b | ||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.39 | d | ----- | z | ----- | z | ----- | z | ----- | z | 79.39 | k |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | 60.53 | 68.66 | ----- | z | 77.31 | 77.26 | 70.37 | 60.62 | b | 50.98 | 44.11 | 63.73 | d | |||||||
1946 | 42.16 | b | 46.54 | 54.56 | 64.83 | 68.27 | 78.12 | a | 78.10 | 78.53 | 73.92 | 62.64 | b | 48.93 | 45.19 | 61.82 | ||||||||||
1947 | 38.65 | a | 47.54 | 54.21 | 58.83 | 69.98 | 75.22 | a | 78.11 | 76.12 | a | 70.40 | 62.69 | 46.62 | b | 41.79 | s | 61.67 | a | |||||||
1948 | ----- | z | ----- | z | ----- | z | 64.30 | c | 68.98 | 76.72 | 77.19 | 75.87 | 70.78 | 59.84 | 47.79 | r | ----- | z | 70.53 | e | ||||||
1949 | ----- | z | 47.31 | d | 54.70 | a | 60.53 | 68.10 | 77.08 | 79.08 | 75.87 | 71.47 | 66.57 | x | ----- | z | ----- | z | 66.77 | d | ||||||
1950 | ----- | z | ----- | z | 60.05 | u | 63.93 | 68.31 | 78.37 | 77.23 | 75.42 | 69.98 | 66.12 | g | ----- | z | ----- | z | 72.21 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.53 | 47.18 | 52.34 | 60.39 | 68.85 | 77.00 | 78.65 | 77.05 | 72.04 | 62.29 | 49.84 | 42.85 | 60.91 | |||||||||||||
S.D. | 3.19 | 2.91 | 2.77 | 2.46 | 1.85 | 1.70 | 1.51 | 1.91 | 2.15 | 2.95 | 2.55 | 3.24 | 1.35 | |||||||||||||
SKEW | -0.74 | -0.79 | 0.84 | -0.19 | 0.07 | -0.04 | 0.11 | 0.48 | 0.38 | 0.54 | 0.65 | -0.74 | 0.10 | |||||||||||||
MAX | 46.89 | 51.41 | 59.90 | 64.83 | 73.61 | 81.25 | 81.69 | 81.24 | 77.27 | 69.16 | 55.08 | 47.48 | 63.27 | |||||||||||||
MIN | 34.06 | 39.38 | 48.68 | 54.60 | 64.87 | 72.93 | 75.69 | 73.69 | 68.02 | 57.13 | 46.42 | 35.06 | 58.98 | |||||||||||||
YRS | 25 | 23 | 26 | 31 | 31 | 28 | 31 | 32 | 31 | 29 | 25 | 23 | 15 |