YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | 64.13 | 65.26 | a | 61.61 | c | 72.96 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.39 | 65.87 | g | ||
1907 | 60.74 | ----- | z | 75.77 | ----- | z | 78.14 | b | 89.90 | 92.42 | 91.57 | c | 90.10 | a | 75.77 | a | 63.31 | a | 57.93 | b | 77.57 | b | ||||
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.10 | a | 86.34 | b | 87.19 | 84.55 | a | 70.55 | ----- | z | ----- | z | 83.55 | g | ||
1909 | ----- | z | ----- | z | 58.73 | a | 70.15 | c | 75.83 | a | 87.20 | 92.10 | 91.13 | 82.11 | b | 71.48 | b | 61.79 | b | 40.07 | c | 73.06 | b | |||
1910 | 51.73 | a | 50.33 | a | 71.77 | a | 72.28 | a | 74.90 | 88.73 | 92.77 | 88.80 | a | 87.30 | 75.29 | 63.34 | a | 51.35 | 72.38 | |||||||
1911 | 59.37 | a | 49.38 | d | 63.37 | a | 70.07 | b | 80.03 | 92.30 | 90.38 | b | 91.55 | b | 88.60 | 71.37 | d | 58.88 | d | 39.28 | b | 71.21 | ||||
1912 | 38.97 | a | 44.19 | b | 49.19 | d | 66.47 | 79.73 | a | 83.64 | b | 91.90 | 87.42 | 75.03 | 71.03 | 61.90 | 49.48 | 66.58 | ||||||||
1913 | 48.45 | b | 43.32 | c | 57.65 | 68.79 | a | 81.74 | 83.90 | 94.03 | 93.80 | a | 77.83 | 68.16 | 59.97 | 39.66 | b | 68.11 | ||||||||
1914 | 55.20 | a | 54.85 | b | 62.29 | 70.93 | c | 74.20 | a | 88.96 | b | 87.03 | 88.29 | 87.00 | 72.79 | b | 62.29 | b | 43.32 | c | 70.60 | |||||
1915 | 47.55 | b | 53.04 | a | ----- | z | ----- | z | 74.16 | 85.13 | 87.73 | a | 84.87 | 82.87 | 74.06 | 65.07 | b | 53.60 | a | 70.81 | b | |||||
1916 | 51.00 | c | 58.00 | 71.03 | a | 67.81 | c | 80.74 | 87.43 | 93.26 | 88.81 | 82.93 | 71.47 | a | 62.38 | d | 48.83 | a | 71.98 | |||||||
1917 | 48.34 | b | 53.32 | 61.67 | a | 68.93 | 70.87 | 89.67 | 94.32 | 87.77 | 82.37 | 71.29 | 64.27 | 50.90 | 70.31 | |||||||||||
1918 | 42.45 | b | 59.42 | b | 66.30 | a | 66.43 | 80.68 | 90.34 | a | 92.90 | 91.32 | 79.10 | 73.63 | a | 53.72 | a | 42.76 | b | 69.92 | ||||||
1919 | 34.53 | a | 46.00 | b | 59.18 | c | 65.57 | b | 73.33 | a | 81.52 | a | 88.77 | 89.10 | 82.97 | 66.03 | 59.24 | e | 54.11 | c | 66.70 | |||||
1920 | 48.76 | b | 52.42 | c | 61.10 | 67.82 | b | 77.52 | b | 82.41 | a | 89.61 | 85.10 | 84.27 | 73.00 | 54.39 | b | 51.48 | b | 68.99 | ||||||
1921 | 50.61 | 55.00 | b | 67.31 | b | 69.21 | a | 77.55 | 81.63 | 86.13 | 89.42 | 87.30 | 76.94 | 64.73 | 56.53 | a | 71.86 | |||||||||
1922 | 46.23 | a | 57.71 | d | 58.00 | 67.96 | b | 76.29 | 86.07 | 93.23 | 95.16 | 87.83 | 74.57 | a | 59.14 | a | 57.03 | b | 71.60 | |||||||
1923 | 58.81 | 48.36 | c | 57.93 | c | 67.79 | a | 76.17 | a | 84.10 | 92.26 | 89.23 | 80.57 | 62.68 | c | 57.79 | a | 42.21 | b | 68.16 | ||||||
1924 | 47.52 | 53.79 | a | 46.52 | 69.62 | d | 71.68 | 91.80 | 89.93 | a | 88.97 | a | 82.26 | c | 73.06 | 62.97 | 42.03 | b | 68.34 | |||||||
1925 | 49.97 | a | 58.96 | 68.33 | a | 74.69 | a | 78.73 | a | 92.20 | 91.65 | 85.32 | 81.27 | 61.53 | a | 60.70 | 51.61 | c | 71.25 | |||||||
1926 | 47.68 | 60.86 | 55.30 | a | 63.18 | b | 75.45 | 84.00 | a | 90.45 | 92.73 | a | 83.90 | a | 73.84 | 61.03 | 48.87 | a | 69.77 | |||||||
1927 | 53.71 | 55.79 | 60.19 | 74.80 | 85.77 | 88.04 | b | 88.94 | 84.84 | 81.89 | b | 75.52 | 65.33 | 46.96 | d | 71.81 | ||||||||||
1928 | 54.13 | 50.86 | a | 63.10 | b | 67.52 | a | 77.69 | b | 83.37 | 91.73 | a | 85.58 | 84.47 | 71.93 | a | 51.52 | a | 47.33 | a | 69.10 | |||||
1929 | 47.53 | a | 41.54 | b | 59.48 | 71.97 | 75.04 | c | 86.20 | 90.58 | 88.45 | 79.07 | 71.27 | a | 46.04 | c | 55.60 | a | 67.73 | |||||||
1930 | 38.82 | c | 63.21 | 56.97 | a | 76.60 | 77.43 | a | 87.37 | 91.16 | 90.58 | 85.80 | 66.03 | a | 59.31 | a | 48.16 | 70.12 | ||||||||
1931 | 49.77 | 55.63 | a | 56.36 | c | 64.17 | a | 72.94 | 91.50 | 91.87 | 86.65 | 88.47 | 74.10 | a | 57.59 | a | 50.10 | a | 69.93 | |||||||
1932 | 43.39 | 59.72 | 53.71 | 72.89 | b | 80.16 | 82.97 | a | 93.06 | 90.61 | 79.77 | 69.97 | 60.48 | a | 38.57 | a | 68.78 | |||||||||
1933 | 53.27 | a | 50.70 | a | 63.32 | 68.41 | a | 81.19 | 94.13 | 96.68 | 88.81 | 87.00 | 74.50 | a | 62.96 | b | 59.00 | 73.33 | ||||||||
1934 | 53.63 | a | 56.35 | b | 64.48 | b | 72.03 | a | 84.73 | a | 92.83 | 99.10 | 94.00 | 80.83 | 75.61 | 60.50 | 52.52 | 73.89 | ||||||||
1935 | 53.80 | a | 55.56 | a | 64.13 | 68.70 | 70.37 | a | 87.83 | 94.48 | 91.29 | 80.55 | a | 72.42 | 57.00 | a | 49.10 | 70.44 | ||||||||
1936 | 46.90 | b | 46.93 | a | 64.71 | 73.00 | b | 77.87 | 90.00 | 93.77 | 95.19 | 82.57 | b | 68.77 | 59.62 | a | 51.33 | a | 70.89 | |||||||
1937 | 43.86 | c | 50.96 | a | 56.41 | b | 69.64 | b | 78.58 | 86.13 | 94.87 | 95.45 | 83.80 | 72.06 | 56.87 | 47.54 | c | 69.68 | ||||||||
1938 | 51.50 | a | 51.59 | a | 64.11 | c | 68.86 | a | 78.16 | 87.40 | 91.58 | 94.65 | 82.23 | 74.03 | a | 57.18 | b | 49.10 | a | 70.87 | ||||||
1939 | 49.87 | a | 44.62 | b | 62.27 | a | 71.32 | b | 79.00 | 89.43 | 94.48 | 89.81 | 87.79 | a | 73.90 | 58.30 | 55.17 | a | 71.33 | |||||||
1940 | 36.23 | e | 50.61 | a | 61.03 | 70.50 | b | 79.06 | 88.90 | 96.65 | 88.94 | 86.31 | a | 77.06 | 53.55 | a | 52.23 | a | 70.09 | |||||||
1941 | 48.32 | 51.52 | a | 53.77 | a | 64.63 | 74.86 | b | 80.70 | 85.68 | 87.00 | 79.45 | a | 67.71 | c | 61.80 | 50.86 | b | 67.19 | |||||||
1942 | 51.72 | b | 49.32 | 58.87 | a | 68.24 | a | 78.58 | 83.57 | 90.74 | 86.94 | 78.87 | 67.47 | a | 64.34 | a | 52.17 | a | 69.24 | |||||||
1943 | 52.68 | c | 59.64 | 61.21 | b | 74.50 | 75.00 | 87.80 | 93.81 | 94.39 | 83.37 | 73.26 | 59.76 | a | 40.34 | b | 71.31 | |||||||||
1944 | 41.42 | 51.18 | a | 58.16 | 64.53 | 76.61 | 87.23 | 89.68 | 91.84 | 82.27 | 72.06 | 58.76 | a | 45.48 | b | 68.27 | ||||||||||
1945 | 47.77 | a | 53.52 | a | 65.90 | a | 67.74 | c | 82.30 | a | 87.07 | 90.47 | a | 92.07 | a | 86.17 | a | 72.16 | 63.47 | 49.53 | a | 71.51 | ||||
1946 | 51.60 | a | 56.14 | 65.84 | 79.79 | a | 76.60 | a | 90.27 | 95.81 | 89.55 | 82.93 | b | 71.69 | b | 56.50 | b | 57.97 | b | 72.89 | ||||||
1947 | 48.16 | 48.61 | 56.43 | a | 66.17 | a | 75.27 | a | 86.03 | 93.94 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.45 | f | |||
1948 | 43.45 | 42.62 | 50.65 | 74.63 | 78.81 | 87.48 | a | 94.45 | 88.65 | 88.10 | 74.06 | 54.93 | 54.06 | 69.32 | ||||||||||||
1949 | 37.35 | 49.14 | 60.32 | 66.00 | 76.06 | 83.40 | 89.35 | 88.90 | 82.77 | 73.45 | 69.70 | 51.26 | 68.98 | |||||||||||||
1950 | 55.58 | 60.21 | 61.48 | 71.90 | 80.61 | 89.10 | 85.32 | 87.77 | 76.63 | 79.26 | 61.97 | 54.26 | 72.01 | |||||||||||||
1951 | 47.32 | 54.29 | 57.77 | 66.90 | 77.23 | a | 83.78 | c | 92.61 | 90.77 | 85.00 | 73.87 | a | 54.47 | 53.47 | a | 69.79 | |||||||||
1952 | 53.97 | 55.00 | a | 55.61 | 69.00 | b | 77.19 | 94.79 | b | 93.16 | 93.84 | 83.63 | 73.65 | 53.60 | 46.52 | 70.83 | ||||||||||
1953 | 58.67 | a | 51.71 | 65.10 | a | 68.40 | 78.13 | 97.57 | 94.29 | 88.42 | 88.23 | 72.77 | 58.60 | 47.47 | a | 72.45 | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 49.27 | 52.91 | 60.75 | 69.63 | 77.46 | 87.55 | 91.77 | 89.84 | 83.44 | 72.11 | 59.58 | 49.84 | 70.23 | |||||||||||||
S.D. | 6.42 | 5.48 | 5.68 | 3.49 | 3.23 | 3.75 | 3.02 | 2.93 | 3.46 | 3.49 | 4.30 | 5.84 | 1.76 | |||||||||||||
SKEW | -0.18 | -0.03 | 0.05 | 0.59 | 0.14 | 0.33 | -0.21 | 0.25 | -0.18 | -1.02 | -0.59 | -0.02 | -0.14 | |||||||||||||
MAX | 64.13 | 65.26 | 75.77 | 79.79 | 85.77 | 97.57 | 99.10 | 95.45 | 90.10 | 79.26 | 69.70 | 65.39 | 73.89 | |||||||||||||
MIN | 34.53 | 41.54 | 46.52 | 63.18 | 70.37 | 80.70 | 85.32 | 84.84 | 75.03 | 61.53 | 46.04 | 38.57 | 66.58 | |||||||||||||
YRS | 46 | 45 | 46 | 45 | 46 | 47 | 46 | 46 | 46 | 46 | 45 | 46 | 42 |