YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1903 | ----- | z | ----- | z | ----- | z | 62.96 | c | 72.73 | a | 87.60 | 88.77 | 89.07 | a | ----- | z | ----- | z | 42.86 | a | 34.45 | 68.35 | e | |||
1904 | 36.45 | 37.59 | 44.43 | a | 67.07 | 72.67 | a | 81.27 | 89.19 | 92.29 | 81.97 | 66.61 | 54.17 | a | 38.65 | 63.53 | ||||||||||
1905 | 36.10 | 39.75 | 57.74 | 67.53 | 71.61 | h | 78.47 | 92.16 | 89.00 | a | 78.33 | 55.39 | ----- | z | 33.86 | b | 62.83 | b | ||||||||
1906 | 34.37 | a | 41.48 | a | 50.38 | b | 69.68 | e | 71.54 | g | 77.54 | b | 98.10 | a | 89.23 | 82.39 | l | 66.96 | c | 46.21 | b | 34.67 | a | 60.86 | b | |
1907 | 24.20 | a | 39.74 | a | 51.06 | 64.67 | 78.26 | 79.97 | 91.03 | b | 85.80 | a | 78.80 | 76.85 | e | 59.10 | a | ----- | z | 66.32 | a | |||||
1908 | ----- | z | ----- | z | ----- | z | ----- | z | 69.97 | 81.43 | 92.35 | 89.67 | a | 81.63 | ----- | z | 52.53 | 35.03 | 71.80 | e | ||||||
1909 | 25.84 | 43.14 | 57.77 | 63.87 | 72.63 | a | 81.93 | c | 87.00 | a | 86.87 | h | 81.92 | e | ----- | z | ----- | z | 30.61 | h | 64.26 | d | ||||
1910 | 36.43 | a | 48.19 | a | 61.97 | 74.59 | a | 83.06 | 79.18 | b | 90.17 | g | 89.13 | 78.28 | a | 73.50 | a | 55.40 | 41.56 | d | 65.57 | a | ||||
1911 | 34.58 | e | 38.64 | c | 53.11 | d | 66.90 | a | 73.13 | a | 81.44 | e | 94.17 | h | 85.75 | k | 72.64 | e | 68.75 | c | 50.70 | j | 41.67 | j | 61.15 | d |
1912 | 30.46 | e | 44.93 | a | 52.27 | i | 67.91 | g | 78.15 | k | 82.35 | m | 81.58 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.70 | j |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.78 | u | 91.97 | 84.33 | a | 72.50 | 60.77 | 48.20 | 38.13 | 65.98 | f | |||||
1921 | 37.16 | 39.79 | 53.55 | 61.72 | a | 74.81 | 83.13 | 89.29 | 89.07 | a | 69.23 | 67.17 | a | 45.53 | 35.40 | a | 62.15 | |||||||||
1922 | 25.23 | 33.82 | 48.84 | 60.69 | a | 72.13 | 89.50 | 93.26 | 89.45 | 82.03 | 67.83 | a | 42.03 | a | 27.13 | a | 61.00 | |||||||||
1923 | 39.87 | 33.96 | 54.35 | 64.50 | 72.87 | 78.03 | 90.90 | 90.55 | 82.17 | 64.77 | 49.40 | 38.77 | 63.35 | |||||||||||||
1924 | 30.94 | 50.03 | 55.39 | 65.83 | 83.00 | 83.83 | 91.48 | 87.19 | 80.11 | b | 64.32 | 43.14 | b | 31.10 | b | 63.86 | ||||||||||
1925 | 37.81 | 47.33 | a | 57.19 | 68.20 | 76.63 | a | 83.73 | 94.68 | 87.94 | 77.10 | ----- | z | 44.00 | 40.70 | a | 65.03 | a | ||||||||
1926 | 34.29 | 48.07 | 61.94 | 72.10 | a | 73.26 | 85.53 | 93.87 | 87.84 | 71.53 | 65.23 | 49.33 | 35.23 | a | 64.85 | |||||||||||
1927 | 31.33 | a | 41.57 | 52.39 | 62.37 | 69.60 | a | 82.57 | 90.61 | 88.61 | 72.10 | 62.61 | 46.93 | b | 32.00 | 61.06 | ||||||||||
1928 | 31.58 | 42.00 | 55.94 | 61.20 | 80.61 | 82.20 | 93.48 | 88.45 | 80.90 | 64.32 | 47.00 | 34.97 | 63.55 | |||||||||||||
1929 | 23.26 | 30.29 | 55.77 | 61.67 | 74.94 | 79.83 | 89.87 | 92.23 | 76.87 | 68.52 | 46.10 | a | 38.42 | 61.48 | ||||||||||||
1930 | 22.55 | 45.07 | 58.63 | a | 70.27 | 72.42 | 79.23 | 91.33 | a | 90.97 | 78.33 | 60.71 | 43.30 | 32.74 | 62.13 | |||||||||||
1931 | 36.19 | 41.25 | 52.97 | 65.93 | 79.00 | 80.27 | 91.94 | 91.00 | 76.33 | 64.68 | 43.30 | 32.13 | 62.92 | |||||||||||||
1932 | 28.87 | 36.62 | 50.87 | 65.47 | 71.87 | 86.80 | 85.77 | 87.48 | 81.10 | 65.29 | 50.40 | 36.13 | 62.22 | |||||||||||||
1933 | 37.45 | 32.11 | 51.32 | 64.14 | a | 67.29 | 82.10 | 88.74 | 90.13 | 74.03 | 68.29 | 49.13 | 42.19 | 62.24 | ||||||||||||
1934 | 42.83 | a | 51.71 | 63.77 | 75.83 | 79.16 | 85.00 | 90.16 | 92.13 | 75.17 | 65.29 | 50.70 | 39.48 | 67.60 | ||||||||||||
1935 | 34.77 | a | 44.79 | 51.61 | 62.43 | 76.52 | 81.40 | 89.71 | 88.13 | 83.93 | 62.42 | 41.40 | 34.06 | 62.60 | ||||||||||||
1936 | 37.29 | 27.03 | 52.68 | 69.03 | a | 80.65 | 81.80 | 90.74 | 90.58 | 78.60 | 72.06 | 44.93 | a | 39.81 | 63.77 | |||||||||||
1937 | 18.48 | 32.43 | 53.29 | 60.40 | 75.39 | 77.57 | 90.77 | 85.26 | 81.80 | 70.94 | 49.20 | 39.06 | 61.22 | |||||||||||||
1938 | 37.06 | 39.79 | 53.55 | 66.13 | 76.71 | 87.40 | 95.19 | 88.16 | 87.03 | a | 67.94 | 48.24 | a | 39.50 | a | 65.56 | ||||||||||
1939 | 41.65 | 38.86 | 54.74 | 69.57 | 78.23 | 80.07 | 93.19 | 93.42 | 82.53 | 67.19 | 53.13 | 44.20 | a | 66.40 | ||||||||||||
1940 | 37.16 | 44.41 | 59.10 | 65.97 | 80.06 | 88.27 | 90.03 | 91.65 | 82.63 | 67.31 | b | 41.50 | 39.71 | 65.65 | ||||||||||||
1941 | 37.65 | 47.14 | 61.65 | 68.03 | a | 72.94 | 80.10 | 94.90 | 85.45 | 71.37 | 63.00 | 51.73 | 40.48 | 64.54 | ||||||||||||
1942 | 30.68 | 42.36 | 55.97 | 67.80 | 70.39 | 79.57 | 93.00 | 94.17 | a | 84.93 | 69.10 | 42.86 | a | 35.81 | 63.89 | |||||||||||
1943 | 27.61 | 41.64 | 52.03 | 67.27 | 69.74 | 77.97 | 90.81 | 86.26 | 84.57 | 62.84 | 45.10 | 37.35 | 61.93 | |||||||||||||
1944 | 35.61 | 40.83 | 52.29 | 65.03 | a | 74.65 | 80.80 | 90.10 | 87.03 | 83.07 | a | 73.10 | a | 43.27 | d | 32.35 | 63.18 | |||||||||
1945 | 36.94 | 45.86 | 51.23 | 61.73 | 73.90 | 79.97 | 92.10 | 90.81 | 77.13 | 68.87 | 45.24 | a | 35.71 | 63.29 | ||||||||||||
1946 | 37.97 | 44.04 | 54.94 | 65.10 | 76.93 | a | 77.07 | a | 88.35 | 88.58 | 76.03 | 61.10 | a | 42.93 | b | 39.00 | 62.67 | |||||||||
1947 | 35.00 | 48.43 | 60.45 | 68.20 | 83.58 | l | 79.04 | c | 87.45 | 85.89 | c | 78.07 | c | 61.64 | c | 49.03 | 37.61 | 62.80 | a | |||||||
1948 | 37.23 | 39.38 | 51.58 | 58.43 | 67.93 | a | 83.53 | 84.48 | 84.03 | 77.33 | 63.43 | j | 47.07 | 29.90 | 60.08 | a | ||||||||||
1949 | 20.55 | 35.96 | 53.52 | 68.83 | 79.35 | 82.17 | 87.97 | 87.35 | 80.97 | 61.13 | 53.77 | 39.84 | 62.62 | |||||||||||||
1950 | 17.94 | 37.68 | 49.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.98 | i | |||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.58 | 79.40 | 60.52 | 44.43 | 30.48 | 60.28 | g | |||||
1952 | 28.35 | 39.10 | 51.81 | 68.27 | 75.55 | 80.07 | 91.10 | 88.32 | 83.27 | 71.68 | 42.57 | 38.03 | 63.18 | |||||||||||||
1953 | 45.48 | 48.04 | a | 56.77 | a | 61.50 | 70.45 | 76.00 | 90.35 | 87.32 | 80.77 | 67.55 | 51.60 | 43.06 | 64.91 | |||||||||||
1954 | 33.29 | 42.71 | 50.97 | 61.57 | 76.23 | 77.43 | 88.48 | 83.00 | 77.33 | 62.87 | 52.00 | 38.07 | a | 62.00 | ||||||||||||
1955 | 33.80 | a | 39.75 | 47.61 | 57.60 | 67.87 | 83.37 | 86.58 | 89.71 | 78.43 | 63.35 | 35.83 | 32.68 | 59.72 | ||||||||||||
1956 | 35.29 | 31.14 | a | 49.97 | 69.03 | 78.42 | 77.83 | 92.87 | 88.45 | 80.73 | 61.10 | 41.76 | a | 38.42 | 62.08 | |||||||||||
1957 | 23.13 | a | 37.64 | 51.29 | 65.67 | 77.94 | 82.87 | 87.06 | 84.13 | 82.50 | 59.32 | 47.52 | a | 43.35 | 61.87 | |||||||||||
1958 | 40.87 | 50.79 | 52.35 | 62.40 | 83.35 | 87.10 | 94.74 | 94.29 | 77.80 | 65.97 | 46.33 | 37.06 | 66.09 | |||||||||||||
1959 | 37.33 | a | 39.70 | a | 55.10 | 66.53 | 69.42 | 81.00 | 92.19 | 85.52 | 72.43 | 60.94 | 44.97 | 38.94 | 62.01 | |||||||||||
1960 | 30.77 | 44.31 | 53.90 | 63.53 | 69.81 | 82.83 | 96.10 | 84.45 | 80.48 | e | 63.57 | c | 47.73 | 34.58 | 62.67 | |||||||||||
1961 | 39.26 | 48.36 | ----- | z | ----- | z | 72.16 | 88.38 | a | 93.32 | 94.81 | ----- | z | ----- | z | ----- | z | 37.23 | 67.64 | e | ||||||
1962 | 35.40 | a | 43.43 | 52.33 | a | 72.00 | k | 69.87 | 81.93 | 90.06 | 84.94 | 80.07 | 62.10 | 49.03 | 41.13 | 62.75 | a | |||||||||
1963 | 33.45 | 47.32 | 57.97 | 61.23 | 75.81 | 82.70 | 86.58 | 88.97 | 83.30 | 66.13 | 49.53 | 33.74 | 63.89 | |||||||||||||
1964 | 39.00 | 46.07 | 54.29 | 64.27 | 74.03 | 81.69 | a | 89.61 | 82.26 | 74.93 | 65.10 | 42.73 | 32.19 | 62.18 | ||||||||||||
1965 | 36.48 | 44.64 | 54.84 | 68.13 | 73.68 | 82.97 | 89.13 | 85.42 | 73.67 | 68.00 | 48.50 | 37.71 | 63.60 | |||||||||||||
1966 | 34.77 | 44.21 | 55.06 | 67.50 | 78.71 | 78.60 | 84.52 | 86.65 | 81.73 | 63.00 | 49.60 | 41.42 | 63.81 | |||||||||||||
1967 | 43.71 | 52.00 | 55.32 | 60.73 | 73.71 | 85.30 | 92.32 | 95.06 | 85.67 | 63.90 | 49.60 | 36.29 | 66.14 | |||||||||||||
1968 | 38.90 | 48.41 | 59.55 | 64.60 | 75.71 | 81.40 | 91.19 | 81.74 | 77.70 | 59.16 | 46.50 | 34.97 | 63.32 | |||||||||||||
1969 | 23.32 | 36.11 | 54.58 | 62.83 | 75.45 | 84.13 | 85.84 | 84.65 | 76.27 | 60.29 | 48.72 | a | 37.45 | 60.80 | ||||||||||||
1970 | 34.03 | 47.46 | 54.26 | 59.40 | 73.71 | 85.57 | 88.55 | 87.55 | 72.00 | 61.39 | 45.73 | 34.45 | 62.01 | |||||||||||||
1971 | 39.13 | a | 45.82 | 46.44 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.48 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.57 | 41.98 | 54.28 | 65.30 | 74.73 | 81.90 | 90.63 | 88.28 | 78.78 | 65.14 | 47.14 | 36.76 | 63.17 | |||||||||||||
S.D. | 6.29 | 5.64 | 3.78 | 3.81 | 4.00 | 3.18 | 2.88 | 3.12 | 4.12 | 4.16 | 4.20 | 3.64 | 1.65 | |||||||||||||
SKEW | -0.74 | -0.45 | 0.33 | 0.38 | 0.24 | 0.46 | 0.02 | 0.19 | -0.33 | 0.44 | 0.23 | -0.22 | 0.58 | |||||||||||||
MAX | 45.48 | 52.00 | 63.77 | 75.83 | 83.35 | 89.50 | 98.10 | 95.06 | 87.03 | 76.85 | 59.10 | 44.20 | 67.60 | |||||||||||||
MIN | 17.94 | 27.03 | 44.43 | 57.60 | 67.29 | 76.00 | 84.48 | 81.74 | 69.23 | 55.39 | 35.83 | 27.13 | 59.72 | |||||||||||||
YRS | 58 | 58 | 55 | 54 | 54 | 57 | 56 | 57 | 56 | 53 | 55 | 56 | 44 |