YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.30 | u | 59.97 | 49.13 | 54.55 | j | ||
1914 | 52.90 | 56.70 | a | 71.71 | 74.10 | 84.58 | 90.83 | 97.16 | ----- | z | ----- | z | ----- | z | 65.97 | 47.45 | 71.27 | c | ||||||||
1915 | ----- | z | ----- | z | ----- | z | 73.76 | a | ----- | z | 92.90 | 96.65 | 98.26 | ----- | z | ----- | z | ----- | z | ----- | z | 90.39 | h | |||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 97.63 | a | 93.87 | 90.15 | j | 70.84 | 62.73 | ----- | z | 81.27 | h | |||
1917 | ----- | z | 61.32 | 59.55 | ----- | z | ----- | z | 94.93 | ----- | z | ----- | z | ----- | z | 81.32 | i | 67.40 | 65.13 | 69.67 | g | |||||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | 55.90 | g | 62.32 | 76.60 | 87.11 | m | 102.13 | o | 100.37 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.76 | i | ||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | 53.96 | e | 49.86 | 69.42 | 80.50 | 88.55 | 97.53 | 103.87 | 103.84 | 89.07 | 79.32 | 69.63 | 61.52 | d | 78.92 | |||||||||||
1940 | 57.42 | l | 57.72 | 72.42 | 77.87 | 92.90 | 102.77 | 105.68 | 105.00 | 88.37 | 81.65 | 63.03 | 56.77 | 82.20 | a | |||||||||||
1941 | 54.58 | 60.89 | 66.71 | 69.90 | 87.39 | 93.53 | 102.06 | 95.23 | 91.67 | 74.32 | 68.00 | 54.65 | 76.58 | |||||||||||||
1942 | 58.16 | 58.14 | 70.00 | 79.23 | 88.19 | 101.80 | 109.29 | 105.03 | 95.40 | 81.42 | 68.80 | 62.97 | 81.54 | |||||||||||||
1943 | 55.90 | 62.68 | 69.35 | 80.43 | 88.71 | 93.07 | 102.84 | 100.48 | 97.50 | 80.71 | 68.00 | 55.39 | 79.59 | |||||||||||||
1944 | 53.48 | 56.48 | 66.74 | 72.10 | 86.06 | 90.87 | 102.26 | 103.81 | 96.17 | 83.20 | a | 60.52 | a | 58.29 | 77.50 | |||||||||||
1945 | 58.68 | 59.29 | 62.48 | 76.03 | 85.84 | 93.23 | 103.74 | 97.35 | 92.87 | 79.19 | 64.13 | 53.68 | 77.21 | |||||||||||||
1946 | 54.61 | 59.18 | 67.52 | 82.17 | a | 86.35 | 98.70 | 100.90 | 101.42 | 94.60 | 72.35 | 59.30 | 57.58 | 77.89 | ||||||||||||
1947 | 56.52 | 67.46 | 73.10 | 77.73 | 91.55 | 94.63 | 104.26 | 99.35 | 97.80 | 80.19 | 60.40 | 52.65 | 79.64 | |||||||||||||
1948 | 59.10 | 58.00 | 61.58 | 76.87 | 86.29 | 95.00 | 103.61 | 102.42 | 96.40 | 80.84 | 64.40 | 55.35 | 78.32 | |||||||||||||
1949 | 41.65 | 55.11 | a | 67.87 | 83.20 | 84.68 | 98.41 | a | 104.48 | 101.39 | 97.93 | 79.39 | 77.20 | 58.08 | e | 79.12 | ||||||||||
1950 | 52.06 | 66.46 | 71.03 | 82.50 | 87.19 | 97.40 | 102.10 | 102.81 | 92.47 | 87.00 | 71.03 | 65.06 | 81.43 | |||||||||||||
1951 | 54.55 | 61.04 | 69.19 | 78.60 | 89.61 | 97.48 | a | 103.65 | 100.35 | 97.47 | 80.30 | a | 64.73 | 54.61 | 79.30 | |||||||||||
1952 | 52.17 | a | 62.45 | 61.61 | 77.37 | 91.84 | 96.07 | 103.52 | 105.29 | 95.97 | 90.52 | 62.13 | 56.71 | 79.64 | ||||||||||||
1953 | 63.86 | b | 62.89 | 71.87 | 79.20 | 79.94 | 97.03 | 105.79 | g | 103.26 | 99.83 | 83.39 | 69.90 | 59.06 | 79.11 | a | ||||||||||
1954 | 56.81 | 70.29 | 66.61 | 85.80 | 94.74 | 98.13 | 106.32 | 101.58 | 97.63 | 85.55 | 73.50 | 56.74 | 82.81 | |||||||||||||
1955 | 52.81 | 58.46 | 71.39 | 78.18 | s | 85.48 | 97.53 | 102.35 | 101.27 | a | 98.00 | 86.39 | 67.45 | a | 61.94 | 80.28 | a | |||||||||
1956 | 59.97 | 59.69 | 73.94 | 77.30 | 89.74 | 101.66 | a | 102.74 | 101.84 | 100.43 | 80.42 | 69.20 | 62.74 | 81.64 | ||||||||||||
1957 | 53.77 | 66.00 | 71.61 | 76.57 | 82.87 | 100.80 | 103.87 | 100.16 | 96.13 | 75.97 | 59.72 | a | 58.84 | 78.86 | ||||||||||||
1958 | 58.26 | 62.46 | 62.06 | 75.03 | 93.50 | a | 98.90 | 104.13 | 104.45 | 95.57 | 85.13 | 66.43 | 64.35 | 80.86 | ||||||||||||
1959 | 59.74 | 57.14 | 72.29 | 83.97 | 85.48 | 101.67 | 107.94 | 101.52 | 90.63 | 85.06 | 69.33 | 59.10 | 81.16 | |||||||||||||
1960 | 49.19 | 56.97 | 72.55 | 79.69 | a | 89.20 | a | 102.47 | 106.48 | 103.45 | 97.30 | 79.71 | 64.20 | 58.55 | 79.98 | |||||||||||
1961 | 61.16 | 64.46 | 69.32 | 80.13 | 87.50 | a | 102.47 | 105.35 | 99.55 | 91.30 | 79.19 | 63.07 | 56.19 | 79.98 | ||||||||||||
1962 | 63.87 | p | 59.96 | 64.26 | 84.53 | 84.68 | 96.47 | 101.74 | 102.23 | 95.97 | 83.03 | 70.97 | 60.19 | 82.18 | a | |||||||||||
1963 | 55.79 | b | 68.93 | 65.03 | 70.17 | 87.45 | 89.30 | 101.35 | 97.81 | 92.10 | 82.55 | 65.43 | 59.06 | 77.91 | ||||||||||||
1964 | 54.39 | 58.17 | 63.04 | c | 72.57 | 79.04 | h | 96.14 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.04 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 55.36 | 60.65 | 67.81 | 78.00 | 87.70 | 96.99 | 103.08 | 101.22 | 95.14 | 81.06 | 66.09 | 57.92 | 79.52 | |||||||||||||
S.D. | 4.39 | 4.49 | 4.21 | 4.17 | 3.38 | 3.82 | 2.92 | 2.90 | 3.24 | 4.43 | 4.38 | 4.34 | 1.64 | |||||||||||||
SKEW | -0.91 | 0.19 | -0.38 | -0.12 | 0.13 | -0.17 | -0.33 | -0.77 | -0.52 | -0.34 | 0.38 | -0.37 | 0.13 | |||||||||||||
MAX | 63.86 | 70.29 | 73.94 | 85.80 | 94.74 | 102.77 | 109.29 | 105.29 | 100.43 | 90.52 | 77.20 | 65.13 | 82.81 | |||||||||||||
MIN | 41.65 | 49.86 | 59.55 | 69.90 | 79.94 | 89.30 | 96.65 | 93.87 | 88.37 | 70.84 | 59.30 | 47.45 | 76.58 | |||||||||||||
YRS | 25 | 28 | 29 | 28 | 26 | 28 | 28 | 27 | 25 | 26 | 29 | 28 | 21 |