YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1919 | 54.41 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 92.52 | 83.90 | a | 70.79 | c | 61.69 | a | 56.00 | c | 69.88 | f | |
1920 | 51.14 | c | 57.73 | c | 64.10 | b | 71.48 | a | 81.28 | b | 86.07 | 91.97 | a | 85.28 | b | 83.59 | a | 70.97 | b | 63.31 | d | 54.20 | a | 71.76 | ||
1921 | 58.48 | b | 60.88 | b | 70.13 | a | 74.56 | c | 82.43 | a | 85.17 | a | 88.60 | a | 93.07 | a | 89.37 | 79.80 | a | 70.14 | a | 62.93 | c | 76.30 | ||
1922 | 51.45 | b | 60.00 | d | 67.37 | a | 70.80 | 83.00 | a | 87.47 | 91.80 | a | 94.97 | a | 85.97 | 73.73 | a | 60.43 | b | 60.17 | a | 73.93 | ||||
1923 | 66.13 | 60.74 | a | 67.55 | b | 74.70 | 86.52 | 93.33 | 96.33 | a | 96.29 | g | 89.97 | 77.42 | 66.82 | b | 55.40 | a | 75.90 | a | ||||||
1924 | 59.80 | a | 68.14 | 66.53 | a | 80.17 | 82.80 | a | 97.97 | 96.83 | m | 99.30 | a | 88.88 | e | 82.44 | d | 74.82 | b | 62.58 | 78.49 | a | ||||
1925 | 58.84 | 70.04 | c | 77.67 | a | 86.84 | e | 88.80 | a | 95.50 | h | 98.70 | a | 92.00 | m | 87.35 | d | 83.52 | ----- | z | 66.32 | f | 81.47 | d | ||
1926 | 58.62 | e | 71.30 | e | 70.12 | e | ----- | z | ----- | z | 93.28 | e | ----- | z | ----- | z | ----- | z | 77.83 | y | 70.94 | n | 65.32 | f | 73.33 | h |
1927 | 66.30 | h | 64.06 | l | 68.35 | k | 75.00 | r | 87.96 | h | 93.42 | k | 93.08 | g | 99.40 | u | 87.26 | c | 81.25 | g | 74.50 | r | 47.00 | j | 87.26 | k |
1928 | 61.74 | d | 59.00 | s | 69.84 | l | 78.16 | k | ----- | z | ----- | z | 91.62 | w | 87.53 | l | 87.14 | b | 78.70 | k | ----- | z | ----- | z | 74.44 | j |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.80 | p | ----- | 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 | 56.64 | i | 62.24 | 63.03 | 79.20 | 80.97 | 88.13 | 92.00 | 90.03 | 78.33 | 71.58 | 65.53 | 50.10 | a | 74.65 | a | ||||||||||
1933 | 58.19 | 56.61 | 70.74 | 74.83 | 81.35 | 86.63 | 93.34 | b | 90.55 | 86.97 | 79.77 | 69.47 | 66.26 | 76.23 | ||||||||||||
1934 | 59.81 | 63.36 | 69.94 | 79.47 | 87.06 | 95.87 | 97.37 | a | 94.59 | b | 89.07 | 83.48 | 68.87 | 60.03 | 79.07 | |||||||||||
1935 | 63.77 | 60.64 | 71.90 | 77.90 | 79.87 | 89.77 | 91.77 | 93.23 | 80.30 | 78.48 | 64.93 | 54.97 | 75.63 | |||||||||||||
1936 | 57.13 | 62.66 | 72.71 | 79.23 | 83.52 | 93.47 | 92.87 | 93.13 | 83.48 | a | 73.32 | 64.17 | 60.26 | 76.33 | ||||||||||||
1937 | 57.71 | 65.64 | 68.68 | 81.53 | 86.48 | 92.13 | 95.77 | 94.87 | 86.47 | 78.39 | 67.10 | 57.84 | 77.72 | |||||||||||||
1938 | 59.61 | 65.75 | ----- | z | 81.37 | 87.84 | 91.53 | 91.42 | 93.90 | 88.50 | 83.45 | 70.30 | 63.06 | 79.70 | a | |||||||||||
1939 | 59.35 | 58.25 | 73.30 | d | 80.73 | 87.87 | 95.00 | 91.55 | 91.03 | 91.10 | 81.03 | 65.10 | 64.00 | 78.19 | ||||||||||||
1940 | 55.96 | c | 63.62 | 73.39 | 78.87 | 85.74 | 89.07 | 93.03 | 88.87 | 86.03 | 77.13 | 61.17 | 63.00 | 76.32 | ||||||||||||
1941 | 56.71 | 61.89 | 60.50 | g | 71.63 | 79.58 | 84.33 | 89.45 | 91.00 | 82.07 | 75.32 | 68.33 | 57.90 | 74.38 | a | |||||||||||
1942 | 55.19 | 61.25 | 68.23 | 73.93 | 83.61 | 92.63 | 91.94 | 86.97 | 83.37 | 75.65 | 71.23 | 59.35 | 75.28 | |||||||||||||
1943 | 58.58 | 65.50 | 70.06 | 82.93 | 84.48 | 90.07 | 89.87 | 94.90 | 84.20 | 76.81 | ----- | z | 53.55 | 77.36 | a | |||||||||||
1944 | 55.10 | 60.62 | 68.90 | 76.73 | 86.42 | 93.17 | 93.55 | 91.61 | 83.40 | 76.74 | 63.03 | 55.23 | 75.38 | |||||||||||||
1945 | 58.58 | 64.86 | 72.23 | 76.43 | 88.48 | 94.10 | 91.71 | 94.23 | 89.17 | 75.35 | ----- | z | 56.45 | 78.33 | a | |||||||||||
1946 | ----- | z | ----- | z | 73.00 | 83.67 | 83.58 | 92.50 | 93.87 | 94.58 | 84.00 | 77.55 | 64.67 | 60.94 | 80.83 | b | ||||||||||
1947 | 52.84 | 57.79 | 66.35 | 76.30 | 84.97 | 94.53 | 94.29 | 91.32 | 89.17 | 82.71 | 60.97 | 57.90 | 75.76 | |||||||||||||
1948 | 53.00 | 59.66 | 65.92 | g | 83.77 | 87.65 | 94.13 | 93.81 | 95.42 | 87.33 | 76.87 | 65.73 | 62.10 | 78.13 | a | |||||||||||
1949 | 44.68 | 61.21 | 72.71 | 72.50 | 85.65 | 91.73 | 92.32 | 90.71 | 83.47 | 74.87 | 74.60 | 58.39 | 75.24 | |||||||||||||
1950 | 64.00 | 70.29 | 73.94 | 80.50 | b | 86.63 | a | 94.13 | 90.52 | 91.84 | 85.39 | b | 84.29 | 72.57 | 64.35 | 79.87 | ||||||||||
1951 | 59.48 | 64.89 | 68.29 | 79.13 | 86.39 | 95.37 | 97.84 | 95.10 | 89.13 | 81.68 | 65.17 | 59.58 | 78.50 | |||||||||||||
1952 | 62.87 | 63.76 | 66.76 | b | 76.57 | 85.68 | 93.93 | 90.68 | 95.87 | 85.03 | 79.19 | 57.62 | d | 57.39 | 76.28 | |||||||||||
1953 | 65.35 | 60.18 | 73.03 | 77.17 | a | 82.71 | 95.33 | 94.29 | 92.26 | 88.73 | 75.00 | 65.33 | 53.43 | a | 76.90 | |||||||||||
1954 | 61.55 | 68.64 | 67.61 | 80.97 | 79.68 | 90.37 | 93.87 | 90.00 | 89.13 | 76.13 | 66.43 | 58.90 | 76.94 | |||||||||||||
1955 | 52.81 | 59.64 | 70.35 | 79.07 | 82.84 | 91.07 | 88.93 | a | 90.00 | 86.60 | 76.06 | 64.00 | 61.06 | 75.20 | ||||||||||||
1956 | 57.90 | 54.76 | 72.26 | 75.87 | 88.16 | 93.67 | 92.65 | 91.39 | 89.93 | 78.52 | 62.97 | 59.42 | 76.46 | |||||||||||||
1957 | 57.16 | 65.29 | 67.80 | a | 74.30 | 80.13 | 91.07 | 94.52 | 91.00 | 83.60 | 69.58 | 54.47 | 60.58 | 74.12 | ||||||||||||
1958 | 50.16 | 58.11 | 56.65 | 70.97 | 84.94 | 93.00 | 94.65 | 91.52 | 82.17 | 68.23 | 64.33 | 57.65 | 72.70 | |||||||||||||
1959 | 57.42 | 57.11 | 68.26 | 74.27 | 83.97 | 90.67 | 89.13 | 90.90 | 87.60 | 73.32 | 60.90 | 55.29 | 74.07 | |||||||||||||
1960 | 52.32 | 54.45 | 66.61 | 78.23 | 84.39 | 92.73 | 87.87 | 88.29 | 86.13 | 74.81 | 65.27 | 45.94 | 73.09 | |||||||||||||
1961 | 52.13 | 58.32 | 66.13 | 76.67 | 85.77 | 89.70 | 87.90 | 87.81 | 83.43 | 76.84 | 56.83 | 56.87 | 73.20 | |||||||||||||
1962 | 52.55 | 66.14 | 63.58 | 76.07 | 88.29 | 88.43 | 90.58 | 92.65 | 81.77 | 74.61 | 64.43 | 56.19 | 74.61 | |||||||||||||
1963 | 53.68 | 61.64 | 70.00 | 78.07 | 84.48 | 88.47 | 92.19 | 89.00 | 85.30 | 79.61 | 66.57 | 51.74 | 75.06 | |||||||||||||
1964 | 55.00 | 53.69 | 67.45 | 77.83 | 85.32 | 90.43 | 94.10 | 93.55 | 82.37 | 77.53 | a | 64.30 | 57.71 | 74.94 | ||||||||||||
1965 | 60.90 | 58.14 | 60.94 | 78.23 | 82.00 | 88.37 | 91.58 | 87.61 | 83.57 | 76.13 | 68.40 | 59.16 | 74.59 | |||||||||||||
1966 | 49.20 | a | 55.04 | 69.94 | 74.17 | 82.06 | 88.57 | 94.13 | 84.97 | 81.40 | 73.81 | 68.53 | 55.81 | 73.13 | ||||||||||||
1967 | 59.45 | 60.46 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.96 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 56.99 | 61.69 | 68.93 | 77.50 | 84.47 | 91.40 | 92.57 | 91.75 | 85.71 | 76.96 | 65.40 | 58.14 | 75.57 | |||||||||||||
S.D. | 4.55 | 4.40 | 3.94 | 3.69 | 2.64 | 3.12 | 2.57 | 3.00 | 2.99 | 3.91 | 4.42 | 4.04 | 1.90 | |||||||||||||
SKEW | -0.26 | 0.30 | -0.70 | 0.19 | -0.20 | -0.32 | 0.27 | -0.15 | -0.23 | -0.02 | -0.08 | -0.55 | 0.23 | |||||||||||||
MAX | 66.13 | 71.30 | 77.67 | 86.84 | 88.80 | 97.97 | 98.70 | 99.30 | 91.10 | 84.29 | 74.82 | 66.26 | 79.87 | |||||||||||||
MIN | 44.68 | 53.69 | 56.65 | 70.80 | 79.58 | 84.33 | 87.87 | 84.97 | 78.33 | 68.23 | 54.47 | 45.94 | 71.76 | |||||||||||||
YRS | 43 | 42 | 39 | 41 | 41 | 41 | 40 | 40 | 44 | 42 | 39 | 41 | 31 |