YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.18 | c | 47.53 | 33.10 | 50.60 | i | ||
1903 | 34.58 | e | 36.17 | e | 49.61 | h | 66.12 | e | 81.32 | 89.93 | b | 90.03 | a | 89.97 | b | 76.47 | 68.81 | 43.90 | 35.90 | 64.84 | a | |||||
1904 | 38.45 | 39.79 | 47.55 | 69.53 | 75.68 | 85.03 | 90.40 | a | 95.50 | a | 83.93 | a | 68.03 | 54.27 | 39.58 | 65.65 | ||||||||||
1905 | 35.48 | 39.75 | 59.67 | a | ----- | z | ----- | z | 80.97 | 94.06 | 92.39 | ----- | z | ----- | z | ----- | z | 34.84 | 62.45 | e | ||||||
1906 | 35.39 | 44.79 | 53.68 | 74.37 | 76.29 | ----- | z | ----- | z | ----- | z | 82.97 | a | ----- | z | ----- | z | ----- | z | 61.25 | f | |||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | 78.90 | 79.34 | a | ----- | z | 83.92 | r | ----- | z | ----- | z | ----- | z | ----- | z | 79.12 | j | |
1908 | 51.27 | a | 43.59 | 55.97 | 68.07 | 71.58 | 81.90 | 94.32 | 91.20 | a | 83.20 | 64.39 | 52.77 | 37.81 | 66.34 | |||||||||||
1909 | 26.00 | 43.21 | 57.61 | 64.50 | 73.06 | 82.23 | 87.86 | i | 88.77 | 81.77 | 64.58 | 46.43 | g | 29.16 | 61.09 | b | ||||||||||
1910 | 32.39 | 36.04 | 61.74 | 69.77 | 80.10 | 81.57 | 93.13 | 86.32 | c | 76.93 | 66.97 | 46.33 | 37.17 | b | 64.04 | |||||||||||
1911 | 34.50 | c | 39.86 | 58.81 | 65.13 | 69.29 | 82.67 | 92.35 | 88.71 | 73.27 | 66.10 | 47.00 | a | 36.97 | 62.89 | |||||||||||
1912 | 30.48 | 43.07 | 53.26 | 63.97 | 75.90 | 84.60 | 87.06 | 82.42 | 75.47 | 59.90 | 48.37 | 39.97 | 62.04 | |||||||||||||
1913 | 29.94 | 34.75 | 49.00 | a | 65.70 | 72.23 | 80.97 | 88.00 | c | 90.37 | a | 78.18 | b | 62.06 | 49.00 | 36.42 | 61.38 | |||||||||
1914 | 39.35 | 37.85 | b | 58.19 | 66.50 | 75.97 | 78.69 | a | 93.55 | 92.13 | a | 74.93 | 64.70 | a | 48.53 | 30.97 | 63.45 | |||||||||
1915 | 30.97 | 42.46 | 59.23 | a | 70.90 | 70.87 | 81.90 | 88.52 | 96.16 | 79.27 | 66.74 | 43.83 | 37.42 | 64.02 | ||||||||||||
1916 | 23.00 | 35.59 | 52.03 | 65.97 | 69.61 | 80.07 | a | 84.03 | a | 90.47 | a | 78.77 | 67.71 | ----- | z | 32.45 | 61.79 | a | ||||||||
1917 | 33.97 | 36.25 | 46.58 | 57.50 | 71.19 | 78.83 | 93.45 | 93.52 | 80.80 | 70.65 | 51.97 | a | 42.00 | 63.06 | ||||||||||||
1918 | 40.13 | 40.21 | 54.23 | 68.86 | a | 74.42 | 89.77 | 92.55 | 88.70 | a | 89.30 | 69.58 | 51.24 | a | 42.19 | 66.77 | ||||||||||
1919 | 39.13 | 41.86 | 57.81 | 69.57 | 76.35 | 83.60 | 95.71 | 93.55 | 80.50 | 64.87 | 45.89 | c | 30.10 | 64.91 | ||||||||||||
1920 | 36.10 | 46.21 | 58.58 | 64.33 | 74.35 | 82.43 | 95.84 | 92.65 | 79.87 | 63.07 | a | 50.40 | 40.23 | 65.34 | ||||||||||||
1921 | 39.48 | 42.46 | 57.16 | 64.57 | 77.39 | 85.10 | 92.68 | 92.42 | 76.30 | 70.94 | ----- | z | 38.16 | 66.97 | a | |||||||||||
1922 | 28.48 | 35.36 | 52.16 | 65.00 | 75.87 | 92.50 | 97.40 | a | 93.39 | 85.87 | 70.61 | 45.63 | 31.87 | a | 64.51 | |||||||||||
1923 | 42.97 | 38.36 | 59.52 | 69.63 | 76.68 | 83.70 | 95.61 | 95.45 | 86.03 | 68.72 | b | 51.92 | d | 40.37 | a | 67.41 | ||||||||||
1924 | 31.35 | 49.83 | 57.87 | 67.48 | a | 84.19 | 86.57 | 94.77 | 91.45 | 82.83 | a | 66.57 | a | 45.93 | 35.11 | d | 66.16 | |||||||||
1925 | 39.74 | 50.71 | 60.80 | a | 69.83 | 78.97 | 85.70 | 95.84 | 90.23 | 79.53 | 66.29 | 46.27 | 42.97 | 67.24 | ||||||||||||
1926 | 36.03 | 51.00 | 65.68 | 73.90 | 75.29 | 88.50 | 96.35 | 89.74 | 73.20 | 64.68 | 50.23 | 34.07 | a | 66.56 | ||||||||||||
1927 | 31.17 | a | 42.64 | 55.29 | 63.59 | a | 70.13 | 79.47 | 88.29 | 88.03 | 73.20 | 62.97 | b | 46.77 | 31.27 | a | 61.07 | |||||||||
1928 | 33.58 | 45.43 | a | 59.29 | 62.93 | 81.97 | 81.50 | 93.87 | 88.00 | 81.27 | 65.45 | 48.37 | 35.87 | 64.79 | ||||||||||||
1929 | 24.06 | 31.93 | 60.61 | 65.40 | 76.13 | 80.43 | 88.19 | 93.61 | 78.23 | d | 69.81 | 49.30 | 38.13 | 62.99 | ||||||||||||
1930 | 24.32 | l | 46.89 | 62.19 | 73.27 | 73.74 | 79.90 | a | 91.23 | 90.61 | 80.27 | 63.68 | 45.93 | 36.19 | 67.63 | a | ||||||||||
1931 | 36.52 | 43.86 | 56.90 | 68.93 | 79.77 | 80.47 | 91.90 | 90.81 | 78.23 | 67.35 | 46.93 | 32.32 | 64.50 | |||||||||||||
1932 | 30.81 | 40.59 | 56.10 | 69.47 | 73.81 | 85.13 | 85.90 | k | 88.13 | 82.40 | 66.94 | 50.10 | 38.90 | 62.03 | a | |||||||||||
1933 | 39.94 | 36.50 | 54.74 | 67.90 | 68.84 | 81.13 | 89.53 | a | 89.74 | 74.07 | 68.19 | 48.63 | 41.81 | 63.42 | ||||||||||||
1934 | 41.32 | 48.70 | a | 61.74 | 70.33 | 72.77 | 80.63 | 87.23 | 88.74 | 74.93 | 64.81 | 50.23 | 38.81 | 65.02 | ||||||||||||
1935 | 33.23 | 45.50 | 52.84 | 64.00 | 74.68 | 79.53 | 86.35 | 85.19 | 81.93 | 63.00 | 43.20 | 35.38 | b | 62.07 | ||||||||||||
1936 | 38.35 | 27.48 | 55.35 | 71.23 | 79.32 | 80.83 | 89.39 | 89.58 | 80.67 | 73.32 | 44.87 | 42.10 | 64.38 | |||||||||||||
1937 | 21.10 | 36.11 | 56.16 | 63.37 | 75.39 | 79.57 | 90.32 | 84.39 | 81.10 | 70.10 | 49.90 | 42.06 | 62.46 | |||||||||||||
1938 | 38.58 | 38.32 | 54.58 | 67.23 | 75.29 | 82.93 | 91.42 | 86.77 | 85.37 | 66.13 | 47.43 | 40.26 | 64.53 | |||||||||||||
1939 | 41.39 | 41.86 | 56.81 | 70.23 | 76.94 | 78.70 | 89.42 | 90.90 | 81.60 | 67.00 | 51.60 | 43.74 | 65.85 | |||||||||||||
1940 | 37.23 | 44.97 | 61.03 | 66.43 | 77.94 | 85.83 | 87.97 | 89.35 | 83.17 | 66.32 | 42.90 | 39.35 | 65.21 | |||||||||||||
1941 | 37.48 | 47.75 | 63.94 | 70.83 | 72.97 | 81.53 | 94.97 | 86.84 | 73.67 | 63.45 | 52.67 | 41.58 | 65.64 | |||||||||||||
1942 | 30.71 | 44.57 | 57.58 | 70.07 | a | 72.87 | 79.43 | 92.94 | 93.90 | 85.52 | g | 70.48 | 44.62 | a | 36.93 | a | 63.10 | a | ||||||||
1943 | 31.06 | 44.26 | a | 55.06 | 70.14 | a | 72.03 | 81.38 | d | 94.20 | a | 89.45 | 88.86 | a | 66.13 | 47.93 | 40.47 | a | 65.08 | |||||||
1944 | 37.87 | 45.07 | 55.77 | a | 66.20 | 77.96 | c | 85.34 | a | 94.19 | 90.94 | 86.27 | 75.13 | 47.00 | 35.48 | b | 66.44 | |||||||||
1945 | 39.32 | 47.79 | 54.58 | 65.50 | 77.23 | 82.73 | 95.10 | 94.90 | 80.80 | 72.00 | 46.17 | 37.39 | 66.13 | |||||||||||||
1946 | 39.90 | b | 44.61 | 57.58 | 68.00 | 79.97 | 80.27 | 91.00 | 91.57 | a | 79.10 | 62.48 | 43.80 | 39.90 | 64.85 | |||||||||||
1947 | 35.77 | 47.46 | 63.10 | 70.80 | 83.29 | 80.50 | 89.50 | a | 87.94 | 82.53 | 63.97 | a | 51.90 | 40.26 | 66.42 | |||||||||||
1948 | 36.29 | 40.24 | ----- | z | ----- | z | ----- | z | 84.33 | 86.68 | 86.55 | 79.27 | 65.26 | 48.93 | 31.90 | 62.16 | c | |||||||||
1949 | 23.35 | 38.11 | 56.19 | 71.07 | 81.50 | a | 84.17 | 90.32 | 89.55 | 82.73 | 64.35 | 55.60 | 42.19 | 64.93 | ||||||||||||
1950 | 20.84 | 39.25 | 53.32 | 62.93 | 73.23 | 79.40 | 90.71 | 92.23 | 84.57 | 61.65 | 49.37 | 40.06 | 62.30 | |||||||||||||
1951 | 38.61 | 44.61 | 51.03 | 71.03 | 76.10 | 82.97 | 92.90 | 90.23 | 82.40 | 64.19 | 47.77 | 32.55 | 64.53 | |||||||||||||
1952 | 29.26 | 42.90 | 56.39 | 71.17 | 78.45 | 82.60 | 95.13 | 92.19 | 88.50 | 76.65 | 46.30 | 39.74 | 66.61 | |||||||||||||
1953 | 46.58 | 52.36 | 59.65 | 64.20 | 73.55 | 78.43 | 93.84 | 91.23 | 84.80 | 72.19 | 53.33 | 46.97 | 68.09 | |||||||||||||
1954 | 36.61 | 47.07 | 55.55 | 67.07 | 80.35 | 81.57 | 91.00 | 87.10 | a | 80.33 | 66.13 | 54.57 | 40.65 | 65.67 | ||||||||||||
1955 | 35.87 | 43.32 | 50.97 | 61.27 | 71.00 | 85.57 | 88.71 | 94.10 | 83.10 | 66.94 | 40.67 | 33.77 | 62.94 | |||||||||||||
1956 | 35.94 | 33.83 | 54.32 | 72.50 | 80.52 | 80.03 | 95.42 | 92.58 | 84.30 | 65.55 | 44.47 | 40.52 | 65.00 | |||||||||||||
1957 | 25.40 | a | 41.32 | 54.39 | 69.47 | 81.03 | 86.63 | 91.16 | 89.94 | 87.97 | 62.94 | 51.40 | 44.45 | 65.51 | ||||||||||||
1958 | 42.13 | a | 52.18 | 56.10 | 66.23 | 87.29 | 92.10 | 99.61 | 98.48 | 81.47 | 70.48 | 48.37 | 39.03 | 69.46 | ||||||||||||
1959 | 38.26 | 42.29 | 59.03 | 70.33 | 72.74 | 83.80 | 95.00 | 89.42 | 76.67 | 66.48 | 48.17 | a | 40.32 | 65.21 | ||||||||||||
1960 | 32.94 | 47.34 | 57.61 | 66.73 | 72.55 | 85.77 | 98.42 | 87.55 | 84.97 | 69.97 | 50.57 | 36.10 | 65.88 | |||||||||||||
1961 | 40.00 | 50.57 | 57.45 | 66.77 | 75.71 | 92.00 | 97.42 | 98.39 | 81.14 | a | 67.00 | ----- | z | ----- | z | 72.64 | b | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.92 | 42.36 | 56.61 | 67.64 | 76.01 | 82.99 | 92.16 | 90.60 | 80.88 | 66.94 | 48.32 | 37.81 | 64.87 | |||||||||||||
S.D. | 6.10 | 5.29 | 3.83 | 3.34 | 3.98 | 3.51 | 3.39 | 3.19 | 4.12 | 3.43 | 3.25 | 3.94 | 1.77 | |||||||||||||
SKEW | -0.31 | -0.28 | -0.23 | -0.35 | 0.43 | 1.06 | -0.11 | 0.16 | -0.08 | 0.57 | 0.09 | -0.24 | -0.04 | |||||||||||||
MAX | 51.27 | 52.36 | 65.68 | 74.37 | 87.29 | 92.50 | 99.61 | 98.48 | 89.30 | 76.65 | 55.60 | 46.97 | 69.46 | |||||||||||||
MIN | 20.84 | 27.48 | 46.58 | 57.50 | 68.84 | 78.43 | 84.03 | 82.42 | 73.20 | 59.90 | 40.67 | 29.16 | 61.07 | |||||||||||||
YRS | 57 | 58 | 56 | 56 | 57 | 58 | 55 | 57 | 56 | 57 | 53 | 57 | 47 |