YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1912 | ----- | z | ----- | z | ----- | z | 64.44 | n | 77.03 | 85.60 | 88.77 | 84.16 | 76.67 | 60.60 | a | 52.23 | 43.57 | a | 71.08 | d | ||||||
1913 | 35.45 | 38.39 | 54.26 | 68.03 | 75.86 | b | 83.59 | c | 91.59 | b | 91.25 | c | 79.90 | a | 63.35 | 52.29 | b | 36.87 | a | 64.24 | ||||||
1914 | 47.13 | 44.08 | b | 61.71 | 68.53 | 80.53 | a | 82.57 | 96.00 | 94.29 | 76.48 | e | 66.07 | a | 52.42 | d | 31.10 | 66.74 | ||||||||
1915 | 34.06 | 48.68 | 62.00 | 71.77 | 74.84 | 86.10 | 90.57 | h | 95.77 | 78.97 | 69.42 | 47.29 | b | 41.65 | 64.59 | a | ||||||||||
1916 | 26.50 | a | 40.93 | 58.27 | a | 68.60 | 71.19 | 79.60 | 83.84 | 89.35 | 79.30 | 67.55 | 43.43 | 33.52 | 61.84 | |||||||||||
1917 | 39.81 | 44.81 | a | 51.16 | 60.60 | 71.58 | 79.76 | a | 92.07 | a | 91.29 | 81.00 | 72.23 | a | 54.89 | b | 53.48 | 66.06 | ||||||||
1918 | 45.26 | 46.04 | 58.90 | 69.00 | 72.00 | 88.17 | 88.48 | 83.87 | a | 84.37 | 68.77 | 52.00 | 43.68 | c | 66.71 | |||||||||||
1919 | 43.75 | c | 45.79 | 58.81 | 67.57 | 73.65 | 79.41 | c | 89.50 | a | 89.74 | 77.71 | b | 66.94 | 50.17 | 30.14 | b | 64.43 | ||||||||
1920 | 36.29 | 46.34 | 57.16 | 61.97 | 72.29 | 79.86 | a | 93.10 | 87.77 | 76.10 | a | 63.42 | 49.90 | a | 46.10 | 64.19 | ||||||||||
1921 | 43.86 | b | 47.56 | a | 59.13 | 64.40 | 76.19 | 83.87 | 89.29 | 89.23 | 74.67 | 71.30 | a | 53.55 | a | 39.55 | b | 66.05 | ||||||||
1922 | 29.26 | 41.70 | a | 54.66 | b | 62.63 | 73.81 | 89.76 | a | 92.61 | 89.03 | 84.27 | 67.46 | c | 44.59 | a | 34.96 | e | 63.73 | |||||||
1923 | 46.80 | a | 40.48 | a | 60.20 | a | 68.21 | b | 74.55 | ----- | z | 90.60 | a | 89.29 | 83.93 | b | 66.74 | 55.52 | a | 47.17 | g | 67.63 | b | |||
1924 | 38.43 | c | 55.45 | 59.63 | a | 69.31 | a | 83.61 | 85.86 | a | 90.57 | a | 88.03 | 82.54 | d | 68.50 | a | 48.89 | c | ----- | z | 70.07 | a | |||
1925 | 50.29 | 55.75 | 63.23 | e | 71.24 | a | 79.14 | c | 85.83 | a | 94.32 | 88.42 | 79.30 | 68.39 | 50.41 | a | 44.71 | 69.25 | ||||||||
1926 | 40.90 | a | 55.48 | a | 66.03 | a | 74.23 | 75.67 | a | 87.57 | 93.39 | 88.83 | b | 75.34 | a | 69.24 | b | 54.30 | c | 42.22 | d | 68.60 | ||||
1927 | 38.31 | e | 50.07 | a | 56.10 | u | 65.22 | c | 72.16 | f | 83.46 | d | 91.29 | 88.06 | 76.62 | a | 67.69 | b | 58.38 | d | 41.17 | g | 68.79 | c | ||
1928 | 35.93 | a | 48.15 | c | 60.17 | a | 65.04 | f | 83.27 | a | 82.43 | 93.97 | 90.40 | a | 83.86 | a | 68.52 | b | 51.33 | 40.36 | c | 67.13 | a | |||
1929 | 27.71 | 36.00 | c | 61.76 | b | 65.11 | c | 75.73 | a | 81.68 | b | 90.26 | 93.06 | 79.45 | a | 71.23 | 49.40 | 44.76 | j | 66.49 | a | |||||
1930 | 28.67 | j | 52.04 | c | 59.87 | a | 70.47 | 71.87 | 78.40 | 90.81 | e | 91.26 | 80.80 | 65.00 | a | 50.96 | f | 36.10 | a | 69.66 | b | |||||
1931 | 43.50 | a | 49.52 | c | 59.07 | d | 68.52 | c | 82.32 | c | 81.78 | c | 92.16 | 91.67 | a | 78.45 | a | 68.73 | a | 48.22 | c | 38.56 | f | 69.45 | a | |
1932 | 39.96 | e | 45.30 | b | 57.77 | e | 68.43 | 74.29 | 86.89 | b | 86.42 | 88.65 | 83.53 | 68.45 | 56.07 | c | 41.21 | g | 68.71 | a | ||||||
1933 | 45.86 | c | 41.96 | c | 57.54 | c | 69.48 | a | 70.24 | b | 84.19 | d | 92.03 | 91.17 | a | 74.93 | b | 71.79 | b | 51.85 | c | 51.00 | c | 66.84 | ||
1934 | 50.93 | a | 55.39 | 66.90 | 76.70 | 79.17 | b | 84.37 | 90.68 | 90.55 | b | 79.93 | b | 66.86 | c | 54.33 | 44.28 | b | 70.01 | |||||||
1935 | 44.77 | a | 48.46 | 56.80 | a | 65.00 | a | 77.20 | a | 82.57 | 89.63 | a | 88.03 | 84.90 | 67.32 | c | ----- | z | 38.06 | 67.52 | a | |||||
1936 | 42.67 | g | 29.71 | e | 59.28 | b | 73.33 | 79.97 | a | 83.86 | a | 90.10 | 89.87 | 80.70 | 73.33 | a | 46.63 | 45.69 | b | 68.41 | a | |||||
1937 | 23.29 | 43.59 | a | 60.17 | a | 65.18 | b | 77.00 | a | 81.53 | 92.20 | a | 85.32 | 81.63 | 72.28 | b | 53.39 | b | 43.70 | a | 64.94 | |||||
1938 | 44.92 | f | 44.11 | 57.07 | a | 69.56 | e | 77.60 | a | 85.93 | a | 92.97 | a | 88.58 | 85.70 | 66.42 | 50.83 | 46.27 | a | 69.55 | a | |||||
1939 | 46.30 | a | 47.26 | a | 60.52 | 72.13 | 78.81 | 81.03 | 91.26 | 91.00 | 83.10 | a | 70.20 | a | 55.50 | 48.41 | b | 68.79 | ||||||||
1940 | 36.33 | a | 48.14 | 63.48 | 69.00 | 79.39 | 87.57 | 90.73 | a | 89.39 | 83.11 | b | 69.23 | a | 44.61 | b | 42.55 | b | 66.96 | |||||||
1941 | 40.31 | b | 50.21 | 66.84 | 71.53 | 74.19 | 82.46 | b | 93.97 | 85.90 | 75.62 | a | 64.48 | 55.68 | b | 45.89 | c | 67.26 | ||||||||
1942 | 32.00 | a | 48.14 | 60.24 | b | 70.93 | a | 73.48 | b | 79.21 | a | 91.10 | 92.10 | 83.70 | 69.10 | 46.48 | a | 41.17 | b | 65.64 | ||||||
1943 | 32.93 | d | 46.60 | c | 56.71 | 68.80 | 71.00 | 78.67 | 90.58 | 85.94 | 85.87 | 64.47 | a | 46.86 | b | 39.69 | b | 64.01 | ||||||||
1944 | 36.55 | b | 46.93 | 57.23 | a | 64.43 | g | 75.43 | a | 82.00 | 90.71 | 88.03 | a | 84.00 | 71.97 | 47.32 | b | 36.41 | b | 65.15 | a | |||||
1945 | 44.90 | b | 52.39 | 53.67 | g | 65.27 | 77.43 | a | 82.29 | b | 91.68 | 89.71 | 78.57 | 69.80 | a | 49.59 | a | 39.74 | 67.40 | a | ||||||
1946 | 48.12 | w | 51.86 | 58.10 | 67.87 | 79.23 | a | ----- | z | 88.83 | b | 88.23 | 78.21 | b | 62.61 | 48.61 | b | 46.57 | c | 67.01 | b | |||||
1947 | 41.48 | d | 53.57 | 63.67 | a | 71.03 | 82.23 | a | 79.11 | b | 88.13 | 85.87 | a | 80.45 | a | 63.53 | a | 49.90 | a | 43.17 | g | 69.00 | a | |||
1948 | 41.71 | c | 42.27 | c | 55.52 | 62.43 | b | 71.03 | a | 86.03 | 86.97 | 85.48 | b | 78.67 | 64.62 | b | ----- | z | 37.21 | b | 64.72 | a | ||||
1949 | 26.03 | 43.21 | 56.35 | 72.27 | 80.58 | 83.83 | 88.48 | 87.68 | 80.73 | 62.71 | 53.70 | 45.50 | c | 65.09 | ||||||||||||
1950 | 24.83 | a | 42.64 | 54.32 | 63.90 | 76.00 | 79.83 | 91.16 | 90.19 | 82.80 | 61.00 | 50.33 | 45.32 | 63.53 | ||||||||||||
1951 | 42.06 | 47.46 | 52.43 | a | 72.00 | 77.10 | 83.43 | 91.06 | 88.16 | 80.73 | 61.90 | 50.12 | e | 37.00 | 65.29 | |||||||||||
1952 | 32.87 | 47.48 | 56.84 | 72.50 | 76.50 | a | 80.70 | 91.16 | 88.26 | 82.90 | 71.45 | 42.67 | 40.13 | 65.29 | ||||||||||||
1953 | 53.50 | e | 54.00 | 59.42 | 64.37 | 71.93 | b | 76.14 | a | 89.68 | 86.90 | 82.33 | 67.45 | 53.59 | a | 47.79 | b | 67.26 | ||||||||
1954 | 40.30 | a | 46.23 | b | 55.37 | a | 65.14 | a | 75.76 | b | 77.80 | 87.19 | 83.97 | a | 77.23 | 62.65 | 55.17 | 42.45 | 64.10 | |||||||
1955 | 36.97 | b | 47.32 | 53.06 | 60.83 | 71.66 | b | 83.24 | a | 85.10 | 88.65 | 78.90 | 65.55 | 41.30 | 38.10 | 62.56 | ||||||||||
1956 | 39.10 | 35.48 | 55.87 | 71.37 | 78.55 | 79.53 | 91.74 | 87.94 | 80.43 | 63.39 | 45.33 | 44.57 | h | 66.25 | a | |||||||||||
1957 | 26.74 | 46.04 | 55.10 | 67.93 | 79.23 | 83.23 | 86.58 | 84.55 | 81.47 | 60.68 | 51.53 | 48.20 | a | 64.27 | ||||||||||||
1958 | 47.32 | 55.14 | 57.32 | 64.53 | 83.19 | 85.27 | 93.55 | 92.71 | 78.67 | 70.40 | a | 52.57 | 43.68 | 68.70 | ||||||||||||
1959 | 42.03 | 47.04 | 59.23 | 69.23 | 71.61 | 81.17 | g | 91.74 | d | 84.23 | 74.20 | 67.10 | 50.20 | 41.19 | 63.44 | a | ||||||||||
1960 | 31.16 | 49.07 | 58.35 | 66.53 | 70.81 | e | 83.53 | 93.29 | 83.93 | a | 80.77 | 68.89 | c | 53.20 | 34.45 | 64.50 | ||||||||||
1961 | 43.55 | 54.52 | a | 56.80 | a | 65.47 | 73.17 | a | 87.20 | 91.71 | 91.81 | 76.77 | 64.29 | 47.77 | 43.81 | 66.40 | ||||||||||
1962 | 42.19 | 47.86 | 55.32 | 71.37 | 68.97 | 80.87 | 88.62 | e | 84.19 | e | 82.24 | a | 64.68 | 54.17 | 44.13 | 65.38 | ||||||||||
1963 | 39.21 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.90 | 46.93 | 58.53 | 68.12 | 75.96 | 82.87 | 90.63 | 88.66 | 80.25 | 67.05 | 50.59 | 41.78 | 65.76 | |||||||||||||
S.D. | 7.34 | 5.50 | 3.48 | 3.64 | 3.81 | 3.06 | 2.42 | 2.80 | 3.09 | 3.34 | 3.85 | 5.11 | 1.99 | |||||||||||||
SKEW | -0.35 | -0.61 | 0.45 | -0.11 | 0.24 | 0.07 | -0.55 | 0.09 | -0.12 | -0.15 | -0.40 | -0.20 | 0.29 | |||||||||||||
MAX | 53.50 | 55.75 | 66.90 | 76.70 | 83.61 | 89.76 | 96.00 | 95.77 | 85.87 | 73.33 | 58.38 | 53.48 | 70.01 | |||||||||||||
MIN | 23.29 | 29.71 | 51.16 | 60.60 | 68.97 | 76.14 | 83.84 | 83.87 | 74.20 | 60.60 | 41.30 | 30.14 | 61.84 | |||||||||||||
YRS | 46 | 50 | 48 | 48 | 50 | 48 | 50 | 51 | 51 | 51 | 48 | 43 | 31 |