YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.29 | 87.08 | e | 88.60 | ----- | z | 74.07 | 62.94 | 80.79 | g | ||||
1917 | 59.23 | 65.43 | 70.27 | a | 77.53 | 80.10 | 96.27 | 91.81 | 92.55 | 87.90 | 87.23 | 80.29 | b | 73.68 | 80.19 | |||||||||||
1918 | 61.84 | 70.36 | 72.48 | 78.41 | a | 81.48 | 96.40 | 93.19 | 91.81 | 92.57 | 83.77 | 65.33 | 58.19 | 78.82 | ||||||||||||
1919 | 60.52 | 59.61 | 69.03 | 78.31 | a | 83.48 | 94.63 | 85.77 | 88.87 | 84.23 | 75.35 | 66.40 | ----- | z | 76.93 | a | ||||||||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | 87.20 | a | 93.40 | 97.07 | b | 87.73 | a | ----- | z | ----- | z | ----- | z | ----- | z | 91.35 | h | |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.33 | a | 85.10 | 89.10 | 83.81 | 72.09 | g | ----- | z | 86.83 | h | |||
1922 | ----- | z | ----- | z | 74.59 | n | 73.70 | c | 85.89 | d | 96.43 | 92.13 | 91.10 | 90.12 | e | 83.39 | h | 66.88 | n | ----- | z | 88.23 | f | |||
1923 | ----- | z | ----- | z | ----- | z | 77.25 | j | 88.21 | b | 94.50 | 89.84 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.85 | i | ||
1924 | ----- | z | 56.34 | 56.77 | 68.43 | w | ----- | z | ----- | z | ----- | z | 93.85 | e | 90.93 | 82.25 | k | 72.78 | c | 59.77 | e | 71.74 | f | |||
1925 | 61.54 | c | 67.47 | m | 74.30 | a | 79.92 | d | 86.83 | h | 90.78 | g | 91.56 | d | 86.90 | b | 87.57 | i | 75.00 | 63.04 | b | 56.25 | c | 73.56 | d | |
1926 | 55.36 | c | 65.60 | c | 66.19 | 70.36 | b | 81.79 | b | 94.70 | 92.27 | a | 90.77 | 88.67 | f | 79.89 | c | 71.83 | 56.61 | 75.03 | a | |||||
1927 | 67.48 | 64.62 | b | 66.03 | 74.43 | 86.77 | 92.40 | ----- | z | 88.31 | e | 85.17 | 79.71 | 73.65 | g | 56.26 | 76.12 | b | ||||||||
1928 | 64.26 | d | 61.72 | 70.55 | 75.60 | 84.61 | 94.10 | 95.10 | 87.81 | 89.37 | 79.90 | a | 66.90 | a | 60.55 | 77.54 | ||||||||||
1929 | 58.80 | a | 57.50 | b | 66.14 | c | 73.58 | d | 86.83 | h | 94.43 | 88.53 | a | 86.61 | 85.96 | c | 78.97 | b | 67.25 | b | 67.74 | 75.05 | a | |||
1930 | 55.97 | a | 68.00 | 63.77 | 77.07 | 78.58 | 91.13 | 88.94 | 89.84 | 87.77 | 78.71 | 63.17 | 57.52 | 75.04 | ||||||||||||
1931 | 57.32 | 58.04 | 63.80 | a | 69.73 | d | 76.83 | b | 84.67 | 89.97 | a | 82.97 | 83.40 | 80.10 | a | 64.10 | a | 60.03 | b | 72.58 | ||||||
1932 | 55.23 | 65.79 | 70.32 | 78.70 | 84.55 | 91.53 | 89.27 | a | 88.39 | 87.80 | 76.26 | 74.73 | 57.43 | a | 76.67 | |||||||||||
1933 | 56.74 | 55.38 | b | 71.68 | f | 71.37 | 78.62 | b | 91.63 | 93.03 | 90.23 | 87.70 | 79.94 | 70.97 | a | 65.55 | 76.47 | a | ||||||||
1934 | 59.83 | a | 65.18 | 74.58 | 78.23 | 87.84 | 91.07 | a | 93.13 | 85.57 | a | 87.53 | 83.13 | 67.67 | 61.68 | 77.95 | ||||||||||
1935 | 61.10 | 60.57 | 65.06 | 75.14 | a | 79.10 | 93.00 | 92.13 | 84.70 | a | 82.27 | 78.35 | 64.13 | 57.87 | 74.45 | |||||||||||
1936 | 58.39 | 58.00 | 66.23 | 76.20 | 85.06 | 94.03 | 92.35 | 87.35 | 83.37 | 76.06 | 64.47 | 57.42 | 74.91 | |||||||||||||
1937 | 47.73 | a | 60.64 | 63.65 | 73.66 | a | 84.16 | 89.70 | 90.90 | 88.52 | 85.13 | 80.03 | 69.57 | 60.03 | 74.48 | |||||||||||
1938 | 59.84 | 60.57 | 64.45 | 75.10 | 80.90 | 90.70 | 86.65 | 86.35 | 85.33 | 78.03 | 65.10 | 60.16 | 74.43 | |||||||||||||
1939 | 55.55 | 51.54 | 67.03 | 76.30 | 83.68 | 92.00 | 90.03 | 87.23 | 82.63 | 74.90 | 66.20 | 63.74 | 74.24 | |||||||||||||
1940 | 58.71 | 58.07 | 67.26 | 72.37 | 83.94 | 90.67 | 92.16 | 88.71 | 83.83 | 76.32 | 64.30 | 61.52 | 74.82 | |||||||||||||
1941 | 54.61 | 58.89 | 61.90 | 65.20 | 79.26 | 88.80 | 91.03 | 87.03 | 83.77 | 73.55 | 68.43 | 59.06 | 72.63 | |||||||||||||
1942 | 60.26 | 58.36 | 64.16 | 72.17 | 82.29 | 91.83 | 94.77 | 88.45 | 85.67 | 74.45 | 71.00 | 62.23 | 75.47 | |||||||||||||
1943 | 59.10 | 66.04 | 67.39 | 77.93 | 84.81 | 89.57 | 91.84 | 83.48 | 85.87 | 77.19 | 70.00 | 57.58 | 75.90 | |||||||||||||
1944 | 57.42 | 56.96 | a | 63.87 | 71.10 | 80.39 | 89.55 | a | 92.03 | 90.19 | 84.90 | 79.90 | a | 60.97 | a | 60.19 | 73.96 | |||||||||
1945 | 56.61 | 61.41 | a | 61.00 | 70.90 | 82.19 | 88.77 | 91.03 | 85.29 | 86.03 | 78.16 | 70.40 | 59.55 | 74.28 | ||||||||||||
1946 | 54.87 | 62.71 | 68.39 | 79.20 | 81.03 | 94.80 | 89.42 | 85.68 | 84.97 | 73.03 | 64.07 | 65.77 | 75.33 | |||||||||||||
1947 | 55.61 | 67.14 | 67.94 | 73.70 | 84.87 | 90.07 | 94.23 | 85.68 | 88.33 | 79.19 | 61.47 | 56.65 | 75.41 | |||||||||||||
1948 | 61.00 | 58.41 | 60.68 | 77.00 | a | 85.13 | 92.30 | 91.55 | 88.42 | 88.17 | 76.26 | 63.50 | 60.52 | 75.24 | ||||||||||||
1949 | 45.90 | 57.71 | 66.52 | 74.30 | 82.00 | 90.47 | 88.29 | 89.71 | 87.10 | 73.55 | 74.77 | 59.45 | 74.15 | |||||||||||||
1950 | 60.52 | 65.00 | 67.94 | 80.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.39 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.98 | 61.23 | 66.47 | 74.91 | 82.92 | 92.12 | 91.27 | 87.95 | 86.52 | 78.30 | 67.82 | 60.55 | 75.39 | |||||||||||||
S.D. | 4.27 | 4.40 | 3.99 | 3.50 | 2.99 | 2.67 | 2.38 | 2.52 | 2.54 | 3.38 | 4.63 | 3.88 | 1.86 | |||||||||||||
SKEW | -0.77 | 0.10 | -0.02 | -0.63 | -0.11 | -0.43 | -0.02 | 0.23 | 0.34 | 0.59 | 0.72 | 1.57 | 0.96 | |||||||||||||
MAX | 67.48 | 70.36 | 74.58 | 80.10 | 88.21 | 96.43 | 97.07 | 93.85 | 92.57 | 87.23 | 80.29 | 73.68 | 80.19 | |||||||||||||
MIN | 45.90 | 51.54 | 56.77 | 65.20 | 76.83 | 84.67 | 85.77 | 82.97 | 82.27 | 73.03 | 60.97 | 56.25 | 72.58 | |||||||||||||
YRS | 29 | 29 | 29 | 30 | 29 | 30 | 32 | 33 | 30 | 29 | 29 | 29 | 22 |