YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1917 | ----- | z | 41.13 | e | 42.81 | 51.23 | 57.06 | 65.70 | 78.10 | 79.10 | 68.27 | 60.26 | 53.20 | 46.45 | 58.48 | a | ||||||||||
1918 | 44.71 | 44.07 | 49.45 | 58.93 | 60.39 | ----- | z | 74.97 | 72.26 | 72.90 | 58.81 | 49.40 | 43.71 | 57.24 | a | |||||||||||
1919 | 45.29 | 43.71 | 49.87 | 57.17 | 62.13 | 66.20 | 75.13 | 75.10 | a | 67.47 | 54.71 | 48.50 | 41.62 | b | 57.24 | |||||||||||
1920 | 42.40 | a | 46.38 | 50.94 | 52.66 | a | 60.29 | 68.10 | 75.45 | 76.68 | 64.67 | 56.05 | k | 51.60 | 45.23 | 57.67 | a | |||||||||
1921 | 44.06 | 46.39 | 50.42 | 54.47 | 61.53 | a | 67.37 | 71.74 | 73.55 | 64.50 | 60.58 | 50.53 | 41.55 | 57.22 | ||||||||||||
1922 | 38.35 | 43.44 | a | 46.52 | 52.57 | 63.77 | 72.70 | 76.94 | 73.94 | 70.50 | 58.68 | 48.47 | 40.10 | 57.16 | ||||||||||||
1923 | 42.39 | 43.64 | 51.87 | 59.30 | 60.58 | 68.00 | a | 74.16 | 72.45 | 62.63 | c | 55.78 | d | 49.54 | f | 43.85 | e | 57.70 | a | |||||||
1924 | 40.30 | h | 47.58 | e | 46.12 | f | 52.32 | e | 64.76 | f | 67.17 | a | 70.96 | c | 68.80 | a | ----- | z | 57.96 | g | 47.57 | 40.87 | a | 56.47 | e | |
1925 | 43.94 | 49.39 | 50.87 | 58.23 | 68.00 | 69.93 | 77.26 | 73.19 | 67.50 | 60.52 | 50.13 | 48.03 | 59.75 | |||||||||||||
1926 | 45.94 | 51.36 | 60.77 | 65.77 | 64.13 | 73.03 | 78.77 | 74.68 | 65.97 | 61.58 | 54.57 | 43.23 | 61.65 | |||||||||||||
1927 | 43.68 | 48.93 | 50.71 | 57.73 | 58.81 | 69.73 | 75.19 | 76.10 | 65.70 | 60.84 | 48.80 | 40.84 | 58.09 | |||||||||||||
1928 | 47.03 | 49.52 | 54.35 | 56.20 | 70.13 | 67.63 | 75.80 | a | 74.87 | 67.57 | 56.42 | 51.30 | 43.48 | 59.53 | ||||||||||||
1929 | 37.61 | 40.96 | 51.84 | 54.10 | 64.26 | 67.41 | a | 75.90 | 77.35 | 72.50 | 64.87 | 49.57 | 44.71 | 58.42 | ||||||||||||
1930 | 35.42 | 49.18 | 55.13 | 60.33 | 59.65 | 66.33 | 71.65 | 74.35 | 65.75 | b | 55.55 | 43.93 | a | 43.83 | a | 56.76 | ||||||||||
1931 | 50.32 | i | 49.68 | 54.48 | 62.90 | a | 70.03 | 68.37 | 76.87 | 77.16 | 66.50 | 59.13 | 45.87 | 43.67 | a | 61.33 | a | |||||||||
1932 | 42.39 | 46.66 | 51.94 | 59.00 | 63.97 | 73.00 | 71.45 | 72.81 | 72.83 | 60.94 | 52.62 | a | 39.97 | 58.96 | ||||||||||||
1933 | 41.19 | 41.64 | 52.03 | 57.33 | 58.74 | 67.57 | 74.32 | 76.19 | 63.97 | 59.81 | 50.10 | 47.10 | 57.50 | |||||||||||||
1934 | 47.39 | 54.14 | 59.74 | 65.37 | 67.55 | 70.73 | 73.65 | 77.58 | 67.07 | 60.77 | 51.37 | 44.26 | 61.63 | |||||||||||||
1935 | 43.32 | 50.50 | 47.03 | 58.40 | 66.32 | 70.77 | 75.32 | 75.42 | 72.90 | 56.80 | a | 44.97 | 44.42 | 58.85 | ||||||||||||
1936 | 44.06 | 38.55 | 49.70 | a | 60.50 | 66.10 | 69.31 | a | 73.39 | 77.16 | 67.60 | 60.29 | 44.47 | 42.87 | 57.83 | |||||||||||
1937 | 33.32 | 42.82 | 53.68 | 52.63 | 64.65 | 70.50 | 75.52 | 71.87 | 68.37 | 62.74 | 50.70 | 45.06 | 57.66 | |||||||||||||
1938 | 43.58 | 49.04 | 50.58 | 59.93 | 66.58 | 74.23 | 80.97 | 75.10 | a | 74.67 | 61.74 | 46.53 | 43.23 | 60.51 | ||||||||||||
1939 | 44.55 | 42.32 | 53.81 | 64.17 | 67.23 | 67.43 | 76.77 | 80.16 | 71.41 | a | 61.17 | a | 54.90 | 49.16 | 61.09 | |||||||||||
1940 | 48.71 | 49.48 | 57.10 | a | 62.34 | a | 72.97 | 76.63 | 76.97 | a | 80.39 | 72.17 | 63.03 | 46.43 | 47.00 | 62.77 | ||||||||||
1941 | 47.74 | 54.68 | 62.94 | 64.03 | 65.39 | 69.50 | 81.87 | 75.29 | 63.86 | a | 58.68 | 53.40 | 45.48 | 61.91 | ||||||||||||
1942 | 42.43 | c | 47.93 | 53.90 | 62.07 | 62.90 | 67.33 | 76.77 | 77.94 | 72.70 | 63.57 | a | 46.90 | 45.03 | 59.96 | |||||||||||
1943 | 41.81 | 53.82 | 53.16 | 63.79 | a | 63.45 | 68.63 | 77.68 | 75.74 | 78.83 | 63.13 | 56.63 | 43.58 | 61.69 | ||||||||||||
1944 | 48.10 | a | 48.86 | 54.06 | 59.83 | 66.13 | 70.45 | a | 79.26 | 77.61 | 76.30 | 67.77 | 53.00 | c | 49.29 | 62.56 | ||||||||||
1945 | 48.81 | 47.96 | 48.74 | 54.23 | 66.71 | 68.67 | 81.00 | 79.97 | 70.50 | 64.23 | 48.67 | 46.29 | 60.48 | |||||||||||||
1946 | 45.73 | a | 46.82 | 50.84 | 57.60 | 70.61 | 66.90 | 75.48 | 77.84 | 69.93 | a | 56.16 | 49.80 | 45.00 | 59.39 | |||||||||||
1947 | 41.87 | 52.64 | 58.54 | e | 61.73 | 71.00 | 67.37 | 74.75 | c | 74.42 | 73.30 | 60.06 | 48.37 | 48.63 | d | 61.06 | ||||||||||
1948 | 45.74 | 44.48 | b | 50.40 | a | 52.59 | a | 61.31 | b | 71.32 | b | 72.32 | 69.00 | 67.77 | 60.45 | 46.10 | 40.35 | 56.82 | ||||||||
1949 | 36.71 | 42.96 | 52.00 | 60.90 | 67.84 | 69.90 | 73.58 | 73.32 | 72.93 | 56.52 | 57.87 | 43.52 | 59.00 | |||||||||||||
1950 | 33.06 | 46.21 | 48.35 | 55.80 | 62.39 | 70.27 | 75.58 | 77.42 | 73.07 | 56.87 | 49.93 | 49.90 | 58.24 | |||||||||||||
1951 | 42.26 | 48.21 | 47.32 | 64.77 | 66.39 | 74.27 | 78.55 | 76.45 | 74.47 | 58.97 | 51.13 | 40.45 | 60.27 | |||||||||||||
1952 | 41.58 | 48.03 | 49.52 | 62.70 | 66.13 | 66.07 | 77.97 | 77.39 | 75.57 | 67.55 | 51.30 | 47.32 | 60.93 | |||||||||||||
1953 | 49.45 | 47.96 | 51.35 | 56.47 | 63.71 | 63.63 | 74.35 | 74.42 | 71.38 | a | 62.61 | 54.90 | 47.55 | 59.82 | ||||||||||||
1954 | 40.84 | 52.00 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.84 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.01 | 47.06 | 52.13 | 58.65 | 64.69 | 69.23 | 75.85 | 75.49 | 69.83 | 60.33 | 50.10 | 44.50 | 59.51 | |||||||||||||
S.D. | 4.15 | 3.89 | 4.08 | 4.17 | 3.80 | 2.77 | 2.66 | 2.72 | 4.01 | 3.18 | 3.37 | 2.74 | 1.79 | |||||||||||||
SKEW | -0.73 | -0.06 | 0.60 | -0.08 | 0.08 | 0.64 | 0.25 | -0.42 | 0.12 | 0.35 | 0.25 | 0.14 | 0.10 | |||||||||||||
MAX | 49.45 | 54.68 | 62.94 | 65.77 | 72.97 | 76.63 | 81.87 | 80.39 | 78.83 | 67.77 | 57.87 | 49.90 | 62.77 | |||||||||||||
MIN | 33.06 | 38.55 | 42.81 | 51.23 | 57.06 | 63.63 | 70.96 | 68.80 | 62.63 | 54.71 | 43.93 | 39.97 | 56.76 | |||||||||||||
YRS | 35 | 37 | 36 | 37 | 36 | 36 | 37 | 37 | 36 | 35 | 36 | 37 | 31 |