YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 65.00 | g | 74.39 | 87.57 | 91.71 | 89.23 | 78.90 | 59.19 | 42.40 | 38.10 | a | 70.19 | d | |||||||
1920 | 41.68 | 41.97 | 52.35 | 48.97 | 71.77 | a | 82.40 | 88.60 | a | 83.00 | 76.40 | 64.61 | 46.57 | 40.39 | 61.56 | |||||||||||
1921 | 41.23 | 44.50 | 59.52 | 57.90 | 71.13 | 81.87 | 88.00 | 84.03 | 78.90 | 69.90 | 54.43 | 43.32 | 64.56 | |||||||||||||
1922 | 33.71 | 41.89 | 53.61 | 59.03 | 73.84 | 88.50 | 88.74 | 88.90 | 81.37 | 67.94 | 45.17 | 42.23 | 63.74 | |||||||||||||
1923 | 47.29 | 38.00 | 43.87 | 61.30 | 68.90 | 80.83 | 88.10 | 82.29 | 73.30 | 54.16 | 52.40 | 39.35 | 60.82 | |||||||||||||
1924 | 34.16 | 46.21 | 37.90 | 60.37 | 67.32 | 86.20 | 88.74 | 89.81 | 75.10 | 67.39 | 55.13 | 30.19 | 61.54 | |||||||||||||
1925 | 36.16 | 50.39 | 57.77 | 68.10 | 75.16 | 83.93 | 89.42 | 83.71 | 76.87 | 55.07 | a | 47.83 | 38.23 | 63.55 | ||||||||||||
1926 | 33.23 | 45.39 | 49.32 | 61.67 | 73.10 | 83.20 | 86.29 | 89.58 | 75.13 | 67.06 | 51.50 | 34.00 | 62.46 | |||||||||||||
1927 | 42.74 | 46.25 | 46.35 | 61.07 | 76.55 | 79.53 | 87.45 | 80.00 | 74.83 | 68.06 | 54.97 | 32.52 | 62.53 | |||||||||||||
1928 | 43.17 | a | 44.34 | 54.35 | 60.23 | 71.87 | 74.73 | 85.35 | 84.61 | 76.73 | 61.39 | 49.17 | a | 33.26 | 61.60 | |||||||||||
1929 | 36.55 | 31.18 | 50.00 | 58.97 | 70.00 | 84.57 | 89.30 | a | 88.32 | 71.03 | 63.97 | 36.20 | 42.40 | a | 60.21 | |||||||||||
1930 | 22.61 | 50.00 | 50.13 | 70.90 | 69.32 | 86.53 | 90.23 | 84.71 | 77.90 | 61.58 | 51.17 | 37.97 | 62.75 | |||||||||||||
1931 | 44.45 | 48.43 | 47.77 | 61.83 | 69.94 | 88.23 | 92.45 | 87.90 | 83.03 | 67.13 | a | 47.77 | 39.19 | 64.84 | ||||||||||||
1932 | 36.58 | 48.66 | 44.28 | b | 66.40 | 74.90 | 82.73 | 93.00 | 90.06 | 78.50 | 61.42 | 53.00 | 30.71 | 63.35 | ||||||||||||
1933 | 43.90 | 40.39 | 55.42 | 58.50 | 71.06 | 90.30 | 92.87 | 84.65 | 81.13 | 71.71 | 57.90 | 53.32 | 66.76 | |||||||||||||
1934 | 50.13 | 45.96 | 58.13 | 65.63 | 80.65 | 87.53 | 95.71 | 90.61 | 76.90 | 72.87 | 56.20 | 48.58 | 69.08 | |||||||||||||
1935 | 50.55 | 49.54 | 57.00 | 60.43 | 61.32 | 83.33 | 90.29 | 88.77 | 76.17 | 64.58 | 46.03 | 44.71 | 64.39 | |||||||||||||
1936 | 42.52 | 36.83 | 54.45 | 65.57 | 77.23 | 87.60 | 95.52 | 89.29 | 79.03 | 61.00 | 54.13 | 42.71 | 65.49 | |||||||||||||
1937 | 24.20 | a | 41.39 | 47.48 | 61.70 | 73.90 | 80.13 | 92.00 | 94.39 | 81.90 | 65.87 | 50.37 | 38.16 | 62.62 | ||||||||||||
1938 | 38.77 | 44.96 | 54.16 | 63.27 | 69.45 | 83.13 | 89.65 | 90.73 | a | 78.17 | 68.06 | 45.60 | 39.03 | 63.75 | ||||||||||||
1939 | 38.74 | 33.32 | 50.68 | 60.10 | 77.26 | 85.27 | 94.35 | 88.65 | 81.40 | 67.29 | 54.23 | 50.13 | 65.12 | |||||||||||||
1940 | 27.35 | 43.07 | 54.23 | 60.69 | a | 73.35 | 89.00 | 94.19 | 87.94 | 75.40 | 69.10 | 46.27 | 42.19 | 63.57 | ||||||||||||
1941 | 41.52 | 42.32 | 47.77 | 58.13 | 74.97 | a | 79.77 | 88.74 | 85.52 | 74.73 | 60.03 | a | 53.60 | 41.97 | 62.42 | |||||||||||
1942 | 32.77 | 30.50 | 46.94 | 65.14 | a | 71.43 | a | 78.30 | 89.58 | 86.23 | 77.21 | a | 63.13 | 54.93 | 45.58 | 61.81 | ||||||||||
1943 | 44.29 | 52.75 | 47.70 | a | 67.77 | 65.45 | 82.13 | 91.87 | 91.45 | 79.97 | 67.94 | 53.73 | 41.90 | 65.58 | ||||||||||||
1944 | 41.90 | 41.93 | 45.48 | 54.47 | 73.68 | 82.57 | 87.74 | 91.42 | 79.87 | 69.61 | 52.24 | a | 39.71 | 63.39 | ||||||||||||
1945 | 39.84 | 42.89 | 56.77 | 54.40 | 72.23 | 75.80 | 89.90 | 85.19 | 76.30 | 67.61 | 53.03 | a | 41.58 | 62.96 | ||||||||||||
1946 | 46.10 | 48.32 | 61.39 | 74.04 | b | 67.42 | 85.27 | 91.68 | 85.71 | 76.70 | 60.35 | ----- | z | ----- | z | 69.70 | b | |||||||||
1947 | 45.24 | f | 41.07 | 48.06 | 59.80 | 69.71 | 77.62 | a | 92.97 | 92.90 | a | ----- | z | ----- | z | 48.36 | p | 46.97 | b | 66.14 | d | |||||
1948 | 41.97 | b | 39.07 | b | 47.92 | e | 69.04 | c | 72.17 | b | 84.29 | b | ----- | z | ----- | z | 80.31 | q | 67.94 | 50.10 | 42.65 | 57.24 | c | |||
1949 | 27.81 | ----- | z | 54.39 | 65.53 | 71.81 | 80.03 | 88.77 | 90.65 | 79.33 | o | 65.35 | k | 66.83 | 48.19 | 66.00 | c | |||||||||
1950 | 45.87 | 54.32 | 55.97 | 65.50 | 69.73 | e | 84.03 | a | 86.55 | 88.96 | f | 77.37 | 75.76 | j | 52.93 | 50.61 | 64.29 | b | ||||||||
1951 | 40.19 | 47.14 | 51.10 | 60.43 | 76.20 | k | 77.54 | b | 90.90 | 86.80 | f | 80.28 | a | 64.97 | 51.79 | b | 41.96 | g | 62.70 | c | ||||||
1952 | 46.08 | e | 48.69 | p | 49.60 | a | 64.40 | e | 74.25 | c | 92.33 | c | 93.03 | 91.20 | a | 86.83 | a | 73.76 | b | 45.96 | b | 42.97 | a | 69.13 | a | |
1953 | 54.04 | d | 50.20 | c | 60.77 | e | 59.20 | 70.41 | b | 89.43 | b | 92.10 | 88.64 | c | 88.11 | b | 72.17 | b | 58.04 | c | 44.70 | a | 68.98 | |||
1954 | 49.19 | 62.11 | 50.62 | b | 74.47 | 74.93 | a | 90.14 | a | 96.35 | 91.97 | b | 84.48 | c | 69.81 | 59.37 | 49.77 | a | 71.10 | |||||||
1955 | 37.21 | b | 40.00 | b | 54.58 | 70.45 | a | 75.89 | d | 81.59 | c | 95.21 | c | 89.77 | 81.75 | b | 71.76 | b | 48.78 | c | 46.90 | a | 66.16 | |||
1956 | 47.03 | a | 40.45 | 57.13 | 65.14 | a | 79.10 | a | 94.30 | 91.10 | a | 86.68 | 86.07 | 72.10 | 49.90 | 47.80 | u | 69.91 | a | |||||||
1957 | ----- | z | 56.71 | u | ----- | z | ----- | z | ----- | z | 82.97 | 89.74 | 86.45 | 76.90 | 63.63 | a | 49.47 | 53.68 | 71.83 | e | ||||||
1958 | 45.16 | 50.61 | 44.65 | 60.07 | 77.87 | 84.33 | 85.81 | 88.23 | 80.93 | 69.97 | a | 56.37 | 43.52 | 65.62 | ||||||||||||
1959 | 40.06 | 39.39 | 51.00 | 60.96 | b | 71.74 | 87.39 | b | 89.35 | 89.03 | a | 76.47 | 62.39 | 53.90 | 49.90 | 64.30 | ||||||||||
1960 | 39.39 | 37.03 | 52.00 | 68.62 | i | 73.55 | 84.93 | 89.13 | 89.06 | 80.97 | 67.39 | 54.27 | 38.70 | a | 64.22 | a | ||||||||||
1961 | 44.06 | 50.63 | a | 52.74 | 62.73 | 72.00 | 82.07 | 87.10 | a | 84.87 | 70.87 | 67.26 | 47.83 | 39.06 | 63.44 | |||||||||||
1962 | 30.00 | 45.21 | 49.52 | 67.13 | 77.00 | 82.63 | 88.94 | 91.06 | 81.07 | 72.19 | 57.70 | 49.77 | 66.02 | |||||||||||||
1963 | 34.19 | 53.04 | 52.29 | 67.07 | 78.71 | 86.50 | 93.45 | 83.81 | 83.17 | 75.13 | 57.67 | 44.00 | 67.42 | |||||||||||||
1964 | 47.06 | 43.14 | 49.61 | 62.97 | 78.21 | c | 83.22 | c | 95.10 | 87.20 | a | 80.97 | a | 72.03 | 53.77 | 45.84 | 66.59 | |||||||||
1965 | 48.10 | 41.61 | 43.16 | 66.80 | 73.42 | 78.87 | 88.07 | a | 85.87 | 69.72 | a | 72.68 | 59.40 | 47.06 | 64.56 | |||||||||||
1966 | 41.45 | 41.86 | 59.90 | 61.48 | a | 76.72 | b | 82.23 | 92.65 | 85.58 | 77.77 | 66.42 | 50.93 | 39.45 | 64.70 | |||||||||||
1967 | 43.94 | 49.50 | 59.13 | 64.93 | a | 65.74 | 73.23 | 84.63 | a | 84.42 | 77.03 | 68.60 | a | 52.07 | 34.97 | 63.18 | ||||||||||
1968 | 40.87 | a | 45.96 | b | 57.75 | c | 57.63 | 69.23 | a | 84.89 | b | 88.03 | a | 84.13 | 79.20 | 68.16 | 46.97 | 40.97 | 63.65 | |||||||
1969 | 44.45 | 46.36 | 45.06 | 67.17 | a | 73.03 | 74.45 | a | 89.77 | 90.10 | 79.97 | 50.77 | 52.72 | a | 43.23 | 63.09 | ||||||||||
1970 | 44.43 | a | 53.86 | 45.16 | 58.20 | 76.03 | a | 80.30 | 88.21 | b | 89.55 | b | 77.00 | a | 60.00 | b | 53.17 | a | 43.35 | 64.11 | ||||||
1971 | 40.50 | a | 42.44 | a | 52.13 | 60.93 | 68.35 | 86.28 | a | 86.76 | b | 88.37 | a | 73.66 | a | 65.94 | 53.52 | a | 44.84 | 63.64 | ||||||
1972 | 43.90 | 51.93 | a | 62.29 | 64.87 | 73.55 | 85.40 | 87.84 | 86.35 | 77.00 | 65.26 | 42.20 | 33.77 | 64.53 | ||||||||||||
1973 | 37.35 | 43.50 | 50.42 | 57.13 | 70.39 | ----- | z | 88.00 | 92.39 | 74.87 | 70.52 | 49.10 | 41.87 | 61.41 | a | |||||||||||
1974 | 33.10 | 48.93 | 58.87 | 62.13 | 79.71 | 84.80 | 91.74 | 85.55 | 76.03 | 70.61 | 52.73 | 44.19 | 65.70 | |||||||||||||
1975 | 48.10 | 47.39 | 55.61 | 60.23 | 70.48 | 82.33 | 91.19 | 90.29 | 77.83 | 73.06 | 50.40 | 48.48 | 66.28 | |||||||||||||
1976 | 45.97 | 56.28 | 53.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.90 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.68 | 45.08 | 51.96 | 62.65 | 72.75 | 83.56 | 90.25 | 87.79 | 78.32 | 66.53 | 51.71 | 42.42 | 64.30 | |||||||||||||
S.D. | 6.63 | 6.09 | 5.30 | 4.78 | 3.86 | 4.36 | 2.82 | 3.03 | 3.74 | 5.15 | 5.00 | 5.46 | 2.20 | |||||||||||||
SKEW | -0.72 | 0.02 | -0.13 | 0.12 | -0.28 | -0.11 | 0.30 | -0.21 | 0.29 | -0.86 | -0.18 | -0.17 | 0.84 | |||||||||||||
MAX | 54.04 | 62.11 | 62.29 | 74.47 | 80.65 | 94.30 | 96.35 | 94.39 | 88.11 | 75.13 | 66.83 | 53.68 | 71.10 | |||||||||||||
MIN | 22.61 | 30.50 | 37.90 | 48.97 | 61.32 | 73.23 | 84.63 | 80.00 | 69.72 | 50.77 | 36.20 | 30.19 | 60.21 | |||||||||||||
YRS | 55 | 54 | 56 | 54 | 55 | 56 | 56 | 54 | 54 | 54 | 55 | 54 | 45 |