YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1915 | ----- | z | ----- | z | ----- | z | 71.70 | 70.32 | 82.30 | 88.16 | 93.94 | 82.57 | 73.52 | 53.60 | 48.00 | 73.79 | c | |||||||||
1916 | 42.74 | 60.10 | 61.90 | 67.57 | 68.48 | 80.30 | 84.82 | c | 89.03 | 83.63 | 71.06 | 54.37 | 39.00 | a | 66.92 | |||||||||||
1917 | 42.65 | 47.82 | 50.32 | 60.93 | 67.26 | 82.07 | 94.03 | a | 90.48 | ----- | z | 76.71 | 58.77 | 47.90 | 65.36 | a | ||||||||||
1918 | 50.52 | 52.75 | 60.23 | 70.10 | 72.39 | 92.57 | 89.47 | a | 88.55 | 85.53 | 70.30 | a | 48.90 | 42.84 | 68.68 | |||||||||||
1919 | 53.23 | 47.18 | 54.84 | 67.90 | 76.03 | a | 80.27 | 92.65 | 91.61 | 78.17 | 63.19 | 45.63 | 40.19 | 65.91 | ||||||||||||
1920 | 43.55 | 53.55 | 52.61 | 59.43 | 70.39 | 77.03 | 85.10 | 88.48 | 71.87 | 57.03 | 49.24 | a | 44.65 | 62.74 | ||||||||||||
1921 | 44.61 | 48.86 | 56.77 | 60.77 | 67.57 | a | 77.90 | 86.23 | 89.26 | d | 80.47 | 73.19 | 58.13 | 44.94 | 65.72 | |||||||||||
1922 | 43.94 | 48.89 | 55.48 | 63.03 | 77.17 | a | 86.70 | 95.16 | 87.16 | 86.83 | 71.73 | a | 53.40 | 45.29 | 67.90 | |||||||||||
1923 | 45.74 | 54.89 | 61.58 | 65.53 | 72.84 | 78.90 | 91.45 | 90.29 | 85.07 | 65.55 | 57.97 | 44.90 | 67.89 | |||||||||||||
1924 | 46.26 | 55.52 | 56.16 | 71.57 | 83.26 | 85.90 | 91.84 | 90.06 | 83.93 | 65.81 | 54.13 | 42.06 | 68.88 | |||||||||||||
1925 | 48.87 | 54.61 | 62.90 | 67.23 | 76.94 | 83.90 | 94.16 | 89.42 | 76.47 | 70.68 | 53.33 | 43.55 | 68.50 | |||||||||||||
1926 | 44.23 | 57.25 | 69.77 | 76.37 | 76.19 | 90.73 | 92.97 | 89.03 | 79.50 | 70.77 | 59.63 | 44.94 | 70.95 | |||||||||||||
1927 | 49.61 | 54.07 | 56.84 | 64.20 | 70.58 | 82.60 | 91.23 | 88.61 | 74.11 | c | 68.60 | a | 55.97 | 45.19 | 66.80 | |||||||||||
1928 | 47.90 | a | 56.86 | 62.47 | a | 63.03 | 81.72 | b | 80.63 | 92.16 | 91.52 | 84.87 | 69.26 | 54.53 | 45.26 | 69.18 | ||||||||||
1929 | 43.13 | 53.64 | 60.32 | 60.77 | 77.00 | 79.70 | 91.87 | a | 93.52 | 83.93 | 74.29 | 61.67 | 50.94 | 69.23 | ||||||||||||
1930 | 41.19 | 55.36 | 65.10 | 68.77 | 70.26 | 83.57 | 91.45 | 91.03 | a | 80.00 | 70.13 | 56.70 | 46.16 | 68.31 | ||||||||||||
1931 | 49.35 | 57.00 | 61.52 | 72.10 | 82.97 | 79.50 | 94.58 | 93.19 | 81.17 | a | 70.03 | 51.17 | a | 45.90 | 69.87 | |||||||||||
1932 | 44.97 | a | 53.86 | 60.61 | 65.03 | 72.71 | 85.67 | 88.16 | 88.87 | 90.27 | 72.55 | 56.17 | 44.13 | 68.58 | ||||||||||||
1933 | 42.97 | 48.71 | 58.13 | 69.13 | 65.19 | 80.33 | 92.84 | 93.35 | 78.20 | 76.52 | 56.53 | 49.29 | 67.60 | |||||||||||||
1934 | 49.26 | 58.57 | 70.32 | 74.50 | 76.52 | 81.63 | 90.26 | 94.45 | 86.10 | 71.68 | 56.30 | 49.06 | 71.55 | |||||||||||||
1935 | 42.77 | a | 56.11 | 56.10 | 65.80 | 75.94 | 83.97 | 87.61 | 92.53 | a | 90.07 | a | 67.19 | 49.93 | 45.77 | 67.82 | ||||||||||
1936 | 47.58 | 52.17 | 60.23 | 70.23 | 76.65 | 80.41 | a | 88.32 | 91.16 | 84.77 | 79.52 | 62.40 | 42.90 | 69.70 | ||||||||||||
1937 | 36.10 | 48.82 | 59.19 | 62.20 | 75.42 | 80.17 | 90.94 | 89.23 | 83.33 | 71.00 | 55.93 | 46.65 | 66.58 | |||||||||||||
1938 | 44.26 | 50.39 | 54.84 | 65.87 | 76.61 | 86.00 | 94.68 | 90.10 | 87.07 | a | 69.90 | 52.53 | 46.52 | 68.23 | ||||||||||||
1939 | 44.52 | 48.29 | 64.32 | 73.53 | 76.00 | 80.70 | 92.29 | 94.52 | 85.87 | 69.90 | 59.40 | 48.97 | 69.86 | |||||||||||||
1940 | 51.00 | 52.28 | 62.39 | 67.70 | 79.48 | 87.80 | 88.13 | 92.37 | a | 78.13 | 68.26 | 52.03 | a | 49.37 | a | 69.08 | ||||||||||
1941 | 51.29 | 59.11 | 67.40 | a | 67.17 | 72.71 | 76.80 | 92.26 | 87.00 | b | 77.50 | 67.94 | 59.10 | 47.13 | 68.78 | |||||||||||
1942 | 49.00 | 53.43 | 61.52 | 67.47 | 69.42 | 78.93 | 91.65 | 93.58 | 86.27 | 73.48 | 54.90 | 45.32 | 68.75 | |||||||||||||
1943 | 42.87 | 58.86 | 63.06 | 69.67 | 74.68 | 76.69 | a | 91.48 | 87.19 | 91.50 | 68.13 | 56.70 | 49.36 | c | 69.18 | |||||||||||
1944 | 49.52 | 53.10 | 61.33 | a | 62.43 | 75.10 | 78.03 | 90.35 | 89.81 | 86.10 | 75.45 | 53.60 | 48.57 | a | 68.62 | |||||||||||
1945 | 50.00 | 54.96 | 55.42 | 65.47 | 72.58 | 81.73 | 93.68 | 92.52 | 85.43 | 73.45 | 51.90 | 48.23 | 68.78 | |||||||||||||
1946 | 45.90 | 52.36 | 58.16 | 69.77 | 78.94 | 79.33 | 91.42 | 93.16 | 82.43 | 63.45 | 54.40 | 47.87 | a | 68.10 | ||||||||||||
1947 | 46.39 | 58.11 | a | 64.77 | 70.90 | 81.00 | 77.43 | 85.42 | 86.06 | 86.83 | 69.23 | 53.47 | 46.29 | 68.83 | ||||||||||||
1948 | 49.16 | 50.90 | 55.37 | a | 59.20 | 69.57 | a | 82.17 | 86.77 | 86.39 | 80.37 | 69.45 | 53.97 | 47.10 | 65.87 | |||||||||||
1949 | 42.61 | 50.11 | a | 57.81 | 74.30 | 77.26 | 86.90 | a | 91.42 | 88.96 | g | 84.90 | 66.71 | 57.20 | 45.35 | 66.78 | a | |||||||||
1950 | 40.81 | 54.00 | 56.42 | 67.20 | 77.16 | 82.80 | 92.94 | 94.23 | 83.80 | 66.26 | 55.60 | 50.16 | 68.45 | |||||||||||||
1951 | 46.19 | 52.15 | b | 58.48 | 75.43 | 76.19 | 89.20 | 93.39 | 92.45 | 89.53 | 66.19 | 54.70 | 42.58 | 69.71 | ||||||||||||
1952 | 43.06 | 50.62 | 54.60 | a | 72.43 | 76.58 | 78.90 | 96.43 | a | 91.32 | 88.93 | 79.03 | 52.47 | 45.75 | c | 69.18 | ||||||||||
1953 | 49.90 | 54.61 | 59.71 | 65.57 | 66.16 | 74.87 | 90.97 | 86.42 | 87.20 | 68.81 | 57.45 | a | 45.87 | 67.29 | ||||||||||||
1954 | 47.74 | 58.18 | 59.65 | 69.77 | 79.71 | 76.10 | 90.17 | a | 83.52 | 80.57 | 71.39 | 58.00 | 47.68 | 68.54 | ||||||||||||
1955 | 45.65 | 50.79 | 58.26 | 57.87 | 72.94 | 83.07 | 86.42 | 92.80 | a | 82.50 | 70.13 | 52.40 | 49.13 | 66.83 | ||||||||||||
1956 | 48.87 | 48.00 | 58.32 | 70.23 | 76.00 | 80.03 | 92.03 | 88.03 | 84.07 | 64.68 | 50.07 | 42.29 | 66.89 | |||||||||||||
1957 | 43.81 | 56.82 | 57.17 | a | 67.33 | 74.97 | a | 84.80 | 87.27 | a | 85.74 | 87.31 | a | 63.48 | 51.53 | 44.16 | 67.03 | |||||||||
1958 | 46.97 | 56.50 | 57.39 | 65.03 | 82.61 | 81.07 | 93.39 | 94.94 | 83.50 | 77.29 | 53.37 | 50.58 | 70.22 | |||||||||||||
1959 | 50.19 | 52.50 | 61.00 | 72.20 | 72.06 | 82.83 | 96.29 | 90.81 | 79.10 | 74.03 | 60.40 | 44.16 | 69.63 | |||||||||||||
1960 | 47.84 | 54.21 | 62.42 | 65.17 | 69.65 | 87.90 | 95.10 | 89.77 | 87.17 | 72.03 | 56.10 | 47.90 | 69.60 | |||||||||||||
1961 | 51.87 | 55.11 | 56.42 | 68.70 | 70.71 | 88.87 | 92.94 | 94.55 | 80.97 | 69.97 | 54.90 | 44.03 | 69.09 | |||||||||||||
1962 | 41.90 | 52.68 | 57.77 | 72.73 | 67.65 | 83.83 | 92.48 | 87.48 | 87.80 | 66.97 | 55.60 | 46.00 | 67.74 | |||||||||||||
1963 | 45.81 | 60.43 | 59.93 | a | 59.33 | 75.19 | 78.67 | 84.81 | 88.52 | 87.57 | 68.35 | 52.63 | 44.90 | 67.18 | ||||||||||||
1964 | 44.06 | 56.38 | 56.77 | 66.83 | 72.55 | 80.10 | 90.35 | 90.23 | ----- | z | 77.42 | 51.40 | 47.45 | 66.69 | a | |||||||||||
1965 | 42.94 | 55.86 | 65.58 | 66.33 | 73.81 | 81.93 | 93.29 | 87.45 | 83.27 | 77.45 | 56.90 | 44.13 | a | 69.08 | ||||||||||||
1966 | 46.83 | a | 54.19 | a | 62.85 | d | 73.80 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.62 | i |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.12 | 53.76 | 59.66 | 67.32 | 74.33 | 82.04 | 91.04 | 90.31 | 83.60 | 70.38 | 54.85 | 46.01 | 68.29 | |||||||||||||
S.D. | 3.43 | 3.42 | 4.07 | 4.52 | 4.41 | 3.93 | 3.02 | 2.74 | 4.23 | 4.45 | 3.36 | 2.59 | 1.52 | |||||||||||||
SKEW | -0.20 | -0.09 | 0.45 | -0.14 | 0.01 | 0.62 | -0.49 | -0.16 | -0.55 | -0.19 | -0.11 | -0.31 | -0.97 | |||||||||||||
MAX | 53.23 | 60.43 | 70.32 | 76.37 | 83.26 | 92.57 | 96.43 | 94.94 | 91.50 | 79.52 | 62.40 | 50.94 | 71.55 | |||||||||||||
MIN | 36.10 | 47.18 | 50.32 | 57.87 | 65.19 | 74.87 | 84.81 | 83.52 | 71.87 | 57.03 | 45.63 | 39.00 | 62.74 | |||||||||||||
YRS | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 49 | 51 | 51 | 51 | 47 |