YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | 51.00 | b | 64.21 | 58.71 | 65.50 | 79.26 | 89.00 | 94.35 | 98.19 | 89.14 | a | 75.97 | 63.43 | 49.58 | 73.20 | |||||||||||
1927 | 59.61 | 61.32 | 63.87 | 79.23 | 91.16 | 89.03 | a | 94.52 | 91.55 | 85.47 | 80.65 | 70.00 | 50.97 | 76.45 | ||||||||||||
1928 | 56.55 | 55.17 | 68.25 | o | 70.70 | 81.06 | 89.90 | 96.10 | 92.00 | 88.43 | 76.68 | 60.07 | 52.42 | 74.46 | a | |||||||||||
1929 | 54.32 | c | 45.32 | 63.71 | 74.10 | 77.10 | 92.40 | 96.03 | 94.97 | 86.93 | 77.03 | 50.67 | 56.68 | 72.44 | ||||||||||||
1930 | 43.19 | 67.14 | 60.68 | 81.83 | 81.35 | 92.30 | 96.81 | 96.84 | 88.80 | 69.03 | 62.33 | 52.10 | 74.37 | |||||||||||||
1931 | 50.30 | a | 58.07 | 56.10 | a | 68.00 | 76.42 | 96.73 | 97.55 | 90.26 | 94.13 | ----- | z | 63.72 | a | 56.90 | 73.47 | a | ||||||||
1932 | 50.90 | 61.86 | 65.84 | 78.47 | 91.23 | 89.83 | 99.84 | 99.48 | 87.47 | ----- | z | ----- | z | ----- | z | 80.55 | c | |||||||||
1933 | ----- | z | 55.04 | a | 72.35 | 78.63 | 82.03 | 97.87 | 100.32 | 92.65 | 92.47 | 80.07 | a | 67.37 | 64.43 | a | 80.29 | a | ||||||||
1934 | 60.26 | 63.07 | 70.74 | 74.93 | 90.42 | 95.79 | a | 100.58 | 96.63 | a | 85.93 | 83.00 | 69.53 | 59.52 | 79.20 | |||||||||||
1935 | 56.97 | a | 58.61 | 74.42 | 78.20 | 79.87 | 96.50 | 101.94 | 98.45 | 85.52 | c | 82.30 | a | ----- | z | ----- | z | 81.28 | b | |||||||
1936 | ----- | z | ----- | z | 66.87 | 73.67 | 79.00 | 89.93 | 93.55 | 95.00 | 80.73 | 69.94 | 60.30 | 53.00 | 76.20 | b | ||||||||||
1937 | 45.73 | a | 55.18 | 56.42 | 69.80 | 79.32 | 85.30 | 94.97 | 95.81 | 84.37 | 74.87 | 61.97 | 50.65 | 71.20 | ||||||||||||
1938 | 53.45 | 54.32 | 65.55 | 70.97 | 80.77 | 86.57 | 91.42 | 94.84 | 83.53 | 75.65 | 61.07 | 54.77 | 72.74 | |||||||||||||
1939 | 53.13 | 45.96 | 63.23 | 72.90 | 78.68 | 88.79 | a | 93.00 | 89.00 | 88.50 | 74.71 | 59.63 | 56.13 | 71.97 | ||||||||||||
1940 | 37.90 | 51.17 | 63.68 | 70.97 | 80.61 | 88.93 | 96.61 | 89.90 | 88.17 | a | 78.76 | b | 53.97 | 52.06 | 71.06 | |||||||||||
1941 | 50.58 | 55.64 | 62.61 | 66.30 | 75.74 | 80.00 | 86.74 | 87.81 | 82.00 | b | 70.57 | a | 62.23 | 52.65 | 69.41 | |||||||||||
1942 | 50.00 | a | 53.04 | 62.20 | a | 69.90 | 81.34 | b | 91.23 | 93.61 | 87.35 | ----- | z | 76.32 | ----- | z | 61.61 | 72.66 | b | |||||||
1943 | 61.77 | 71.04 | a | 70.26 | h | 86.00 | 84.60 | a | 95.27 | 96.42 | 98.29 | 90.55 | a | 80.65 | 70.60 | 51.29 | 80.59 | a | ||||||||
1944 | 57.28 | b | 61.45 | 72.93 | a | 77.62 | d | 82.13 | a | 88.57 | 91.10 | 92.74 | 83.23 | 76.62 | b | 62.07 | 51.39 | 74.76 | ||||||||
1945 | 52.03 | b | 60.30 | a | 68.40 | a | 71.29 | b | 85.30 | d | 91.31 | a | 92.58 | 94.43 | j | 88.28 | e | 76.81 | 66.20 | 54.00 | 73.32 | a | ||||
1946 | 53.00 | a | 61.36 | 70.70 | a | 81.59 | a | 78.23 | a | 94.87 | 96.35 | 94.00 | 84.77 | 74.19 | 58.77 | 58.77 | 75.55 | |||||||||
1947 | 53.40 | a | 54.92 | c | 70.65 | n | 74.17 | 83.87 | 93.57 | 97.97 | 94.39 | 92.81 | d | ----- | z | 58.90 | 55.97 | a | 76.00 | b | ||||||
1948 | 52.94 | 47.10 | 58.21 | b | 79.76 | a | 83.43 | a | 89.83 | 96.68 | 94.81 | 91.03 | 79.17 | b | 64.05 | j | 56.14 | q | 77.30 | b | ||||||
1949 | 43.29 | 56.07 | 66.32 | 68.80 | 75.48 | 83.23 | 92.45 | 90.84 | 82.80 | 70.68 | 64.96 | b | ----- | z | 72.27 | a | ||||||||||
1950 | 60.67 | a | 64.29 | 68.81 | 79.15 | q | 83.90 | a | 92.83 | 88.94 | 89.87 | 79.29 | b | 83.71 | 65.47 | 59.32 | 76.10 | a | ||||||||
1951 | 52.00 | a | 59.32 | 62.35 | 70.77 | 80.32 | 88.03 | a | 94.87 | 95.29 | 88.67 | 75.03 | 58.17 | 55.97 | 73.40 | |||||||||||
1952 | 55.68 | 59.24 | 60.13 | 72.59 | a | 84.94 | 96.57 | 92.81 | 95.58 | 85.77 | 76.55 | 58.79 | a | 54.26 | 74.41 | |||||||||||
1953 | 63.16 | 54.85 | a | 69.26 | 73.32 | b | 81.07 | a | 99.17 | 95.26 | 90.81 | 90.20 | 74.61 | 62.60 | 48.55 | 75.24 | ||||||||||
1954 | 54.70 | a | 66.89 | a | 63.53 | a | 80.50 | 76.94 | 93.90 | 95.90 | 92.55 | 89.07 | 74.74 | 67.77 | 59.17 | a | 76.30 | |||||||||
1955 | 51.52 | 56.81 | a | 65.50 | g | 73.40 | 78.53 | a | 87.40 | 89.74 | 92.32 | 85.87 | 77.10 | 63.45 | a | 59.06 | 74.11 | a | ||||||||
1956 | 56.16 | 54.79 | 67.32 | 74.34 | a | 87.45 | 93.87 | 93.26 | 92.55 | 91.03 | 78.83 | a | 62.07 | 56.29 | 75.66 | |||||||||||
1957 | 52.77 | a | 62.78 | a | 61.00 | 67.93 | 74.57 | a | 89.63 | 96.26 | 89.94 | 84.47 | 68.81 | 53.13 | 59.55 | 71.74 | ||||||||||
1958 | 51.16 | 54.79 | 50.74 | 69.96 | e | 81.29 | 91.23 | 90.55 | 92.87 | 82.80 | 72.19 | 64.57 | 57.52 | 71.64 | ||||||||||||
1959 | 48.77 | 55.79 | 65.32 | 71.37 | 81.35 | 90.60 | 91.48 | 92.32 | 87.57 | 70.73 | a | 63.03 | 52.03 | 72.53 | ||||||||||||
1960 | 45.52 | 46.34 | 64.61 | 75.47 | 82.90 | 89.50 | 86.45 | 90.23 | 84.27 | 73.97 | a | 63.53 | 46.84 | 70.80 | ||||||||||||
1961 | 53.10 | 57.21 | 61.06 | 71.47 | 83.16 | 90.43 | 90.97 | 89.77 | 80.40 | 75.03 | a | 53.17 | a | 49.19 | 71.25 | |||||||||||
1962 | 47.06 | 63.18 | 61.81 | 74.73 | 87.94 | 87.97 | 91.94 | 96.23 | 84.77 | 78.13 | 63.47 | 54.84 | 74.34 | |||||||||||||
1963 | 48.06 | 58.14 | 66.77 | 78.38 | a | 83.65 | 89.77 | 96.45 | 91.37 | a | 86.77 | 81.06 | 65.40 | 49.61 | 74.62 | |||||||||||
1964 | 53.77 | 47.03 | 61.55 | 73.43 | 83.77 | 91.87 | 98.19 | 93.10 | 81.43 | 77.26 | 60.40 | 53.58 | 72.95 | |||||||||||||
1965 | 57.06 | 56.07 | 54.94 | 75.60 | 80.35 | 85.67 | 92.26 | 90.55 | 82.27 | 76.00 | 67.77 | 56.10 | 72.89 | |||||||||||||
1966 | 45.52 | 51.00 | 68.16 | 73.07 | 84.97 | 88.87 | 98.26 | 86.39 | 84.10 | 74.32 | 66.57 | 50.39 | 72.63 | |||||||||||||
1967 | 56.94 | 57.89 | 72.16 | 76.30 | 81.74 | 88.47 | 91.90 | 89.23 | 83.83 | 79.55 | 62.23 | 46.16 | 73.87 | |||||||||||||
1968 | 53.74 | 54.00 | 62.84 | 70.70 | 80.00 | 95.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.40 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.56 | 57.09 | 64.25 | 73.97 | 81.80 | 90.88 | 94.45 | 92.85 | 86.28 | 76.19 | 62.35 | 54.30 | 73.45 | |||||||||||||
S.D. | 5.31 | 5.89 | 5.24 | 4.49 | 3.95 | 3.93 | 3.53 | 3.21 | 3.58 | 3.76 | 4.61 | 4.19 | 2.10 | |||||||||||||
SKEW | -0.39 | -0.05 | -0.23 | 0.45 | 0.57 | -0.15 | -0.13 | 0.15 | 0.17 | -0.10 | -0.54 | 0.20 | 0.55 | |||||||||||||
MAX | 63.16 | 71.04 | 74.42 | 86.00 | 91.23 | 99.17 | 101.94 | 99.48 | 94.13 | 83.71 | 70.60 | 64.43 | 79.20 | |||||||||||||
MIN | 37.90 | 45.32 | 50.74 | 65.50 | 74.57 | 80.00 | 86.45 | 86.39 | 79.29 | 68.81 | 50.67 | 46.16 | 69.41 | |||||||||||||
YRS | 41 | 42 | 39 | 42 | 43 | 43 | 42 | 41 | 41 | 39 | 38 | 38 | 28 |