YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.12 | n | 46.07 | 29.94 | 38.00 | j | ||
1920 | 36.74 | 47.17 | 53.48 | 59.04 | e | 73.46 | c | 80.77 | 95.13 | 91.97 | 78.97 | 61.84 | 47.00 | 38.68 | 63.69 | |||||||||||
1921 | 37.94 | 40.21 | 57.45 | 62.27 | 73.23 | a | 84.52 | a | 95.03 | 93.32 | 74.17 | 67.06 | 56.73 | 38.03 | 65.00 | |||||||||||
1922 | 26.00 | 37.71 | 48.94 | 59.97 | 72.61 | 88.20 | 94.40 | f | 90.26 | 84.93 | 70.71 | 48.37 | 35.03 | a | 60.25 | a | ||||||||||
1923 | 41.39 | 40.82 | 55.39 | 63.90 | 70.48 | 76.03 | 92.10 | 88.00 | 78.87 | 60.45 | 52.90 | 37.82 | i | 65.48 | a | |||||||||||
1924 | ----- | z | ----- | z | ----- | z | 69.12 | d | 83.23 | ----- | z | 93.75 | w | ----- | z | ----- | z | ----- | z | 49.08 | r | 30.10 | b | 60.81 | i | |
1925 | 37.39 | 45.31 | o | 58.64 | c | 65.33 | f | 75.73 | a | 78.32 | k | 94.93 | a | 87.97 | b | 79.25 | n | 68.30 | u | 50.07 | c | 38.87 | 63.37 | e | ||
1926 | 36.13 | a | 48.32 | 61.32 | c | 72.13 | 75.40 | a | 88.97 | 94.10 | 91.22 | d | 74.37 | 69.65 | 53.20 | 36.84 | 66.80 | |||||||||
1927 | 36.06 | 46.32 | 53.94 | 63.33 | c | 70.13 | a | 83.03 | 91.87 | a | 88.26 | 74.77 | 67.10 | 53.83 | r | 38.91 | h | 67.48 | b | |||||||
1928 | 33.73 | e | 40.50 | k | 57.00 | 62.78 | c | 83.00 | a | 82.50 | d | 93.45 | 89.32 | 82.86 | b | 67.74 | 50.80 | 33.29 | c | 66.95 | a | |||||
1929 | 30.87 | a | 36.75 | 56.41 | b | 60.93 | 75.50 | a | 80.23 | 95.19 | 96.84 | 77.50 | 69.45 | 53.21 | a | 45.39 | 64.86 | |||||||||
1930 | 23.97 | 46.61 | 59.94 | 72.00 | 72.57 | a | 82.83 | 95.45 | 93.45 | 79.14 | h | 65.16 | 48.43 | 33.42 | 63.08 | a | ||||||||||
1931 | 35.57 | a | 44.11 | 56.77 | 66.80 | 80.23 | a | 84.43 | 95.65 | 94.94 | 79.27 | 68.06 | 47.67 | 33.68 | 65.60 | |||||||||||
1932 | 33.77 | 36.83 | 52.06 | 65.57 | 73.58 | 84.97 | 90.10 | 87.65 | 80.63 | 64.74 | 48.40 | 32.90 | 62.60 | |||||||||||||
1933 | 36.97 | 32.29 | 51.87 | 65.10 | 68.29 | 85.67 | 94.97 | 88.03 | 76.10 | 72.65 | 52.77 | 46.10 | 64.23 | |||||||||||||
1934 | 46.55 | 53.46 | 66.16 | 74.93 | 82.03 | 81.83 | 93.32 | 91.10 | 76.50 | 66.84 | 52.60 | 38.68 | 68.67 | |||||||||||||
1935 | 37.29 | 42.36 | 53.45 | 63.60 | 74.39 | 83.10 | 89.00 | 88.16 | 80.10 | 65.10 | 41.77 | 30.90 | 62.43 | |||||||||||||
1936 | 35.32 | 34.79 | 51.10 | a | 68.57 | 77.16 | 80.00 | 91.29 | 87.58 | 76.43 | 71.16 | 48.52 | a | 41.00 | 63.58 | |||||||||||
1937 | 21.74 | 38.71 | 55.06 | 62.73 | 76.58 | 78.67 | 91.19 | 86.68 | 78.57 | 68.35 | 52.83 | 43.10 | 62.85 | |||||||||||||
1938 | 41.55 | 47.04 | 52.52 | 65.63 | 72.10 | 80.93 | 88.10 | 85.52 | 80.13 | 64.10 | 43.90 | 40.29 | 63.48 | |||||||||||||
1939 | 39.65 | 39.39 | 57.16 | 69.67 | 75.58 | 76.20 | 90.97 | 90.74 | 79.17 | 64.97 | 52.13 | 44.58 | 65.02 | |||||||||||||
1940 | 37.90 | 45.38 | 57.84 | 62.97 | 76.32 | 86.43 | 88.58 | 89.61 | 73.03 | 63.71 | 44.43 | 40.48 | 63.89 | |||||||||||||
1941 | 37.32 | 44.00 | 59.87 | 64.00 | a | 71.71 | 75.87 | 89.81 | 82.68 | 70.80 | 63.48 | 50.60 | 41.68 | 62.65 | ||||||||||||
1942 | 29.03 | a | 40.07 | 52.68 | 66.63 | 65.77 | 76.00 | 91.19 | 88.16 | 78.23 | 68.47 | a | 47.10 | 39.68 | 61.92 | |||||||||||
1943 | 36.10 | 43.46 | 53.35 | 68.03 | 67.87 | 74.67 | 88.52 | 85.48 | 82.33 | 63.87 | 48.77 | 40.03 | 62.71 | |||||||||||||
1944 | 31.81 | 43.07 | 53.45 | 63.67 | 72.94 | 73.53 | 86.32 | 86.48 | ----- | z | ----- | z | ----- | z | ----- | z | 63.91 | d | ||||||||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.90 | a | 81.30 | 66.57 | a | 55.79 | a | 38.67 | a | 65.85 | g | |
1955 | 33.48 | 39.75 | 50.06 | 58.60 | 71.61 | 86.00 | b | 89.32 | c | 95.33 | a | 82.00 | a | 69.17 | b | 44.03 | a | 41.61 | 63.42 | |||||||
1956 | 37.60 | a | 36.93 | a | 56.31 | b | 67.87 | 75.83 | a | 81.62 | a | 93.55 | 89.60 | a | 83.39 | b | 62.67 | a | 45.83 | 38.21 | b | 64.12 | ||||
1957 | 28.30 | a | 41.89 | a | 55.19 | 65.14 | a | 71.93 | a | 83.96 | b | 91.63 | a | 89.31 | b | 82.73 | 61.10 | a | 47.63 | 40.68 | 63.29 | |||||
1958 | 38.13 | 48.00 | 52.90 | 60.83 | 79.87 | 79.90 | 89.58 | 91.52 | 77.57 | 68.00 | j | 50.83 | 45.23 | 64.94 | a | |||||||||||
1959 | 40.60 | a | 46.39 | 53.93 | c | 64.76 | a | 64.24 | b | 83.48 | g | 93.82 | i | 84.97 | 71.81 | d | 64.03 | b | 50.24 | a | 38.83 | a | 57.98 | b | ||
1960 | 30.59 | b | 40.04 | a | 55.18 | c | ----- | z | 66.25 | c | 85.04 | f | 95.32 | c | ----- | z | 80.90 | t | 63.86 | c | 50.30 | c | 43.39 | 55.61 | d | |
1961 | 40.39 | 49.19 | b | 58.17 | a | 63.63 | 73.79 | c | 96.47 | m | 92.20 | k | 92.90 | a | 77.14 | b | 65.87 | a | 49.72 | a | 38.77 | 60.96 | b | |||
1962 | 32.90 | a | 38.19 | a | 54.29 | 72.17 | 71.06 | 84.67 | 90.63 | a | 89.23 | 82.80 | 65.32 | 52.10 | 41.77 | 64.59 | ||||||||||
1963 | 35.45 | 54.21 | 58.39 | 59.57 | 75.97 | a | 78.55 | a | 88.53 | a | 88.94 | 82.90 | 71.75 | c | 48.62 | f | 35.42 | 66.33 | a | |||||||
1964 | 34.65 | 40.76 | 50.58 | 63.73 | 72.32 | 77.53 | 91.65 | 86.65 | 77.60 | 69.17 | a | 50.27 | h | 41.87 | 64.23 | a | ||||||||||
1965 | 38.39 | 49.36 | 56.74 | 66.77 | 71.42 | 81.50 | 89.74 | 84.90 | a | 75.53 | 72.76 | f | 53.25 | b | 39.87 | 64.32 | a | |||||||||
1966 | 43.81 | 46.50 | 59.16 | 69.41 | a | 78.77 | 81.13 | 92.19 | 90.74 | 84.10 | 65.84 | 53.43 | 39.77 | 67.07 | ||||||||||||
1967 | 43.94 | 52.00 | 56.00 | 57.76 | a | 76.13 | 82.03 | 95.16 | 95.97 | 86.17 | 65.61 | 53.53 | 37.29 | g | 69.48 | a | ||||||||||
1968 | 38.39 | 51.31 | 61.32 | 64.67 | 74.13 | 84.80 | 95.17 | a | 82.65 | 79.10 | 65.33 | a | 48.43 | 41.65 | 65.58 | |||||||||||
1969 | 37.00 | 42.14 | 55.26 | 67.87 | 79.26 | 82.60 | 92.32 | 92.26 | 81.33 | 61.65 | 52.43 | 42.39 | 65.54 | |||||||||||||
1970 | 42.87 | 52.50 | 54.84 | ----- | z | ----- | z | ----- | z | ----- | z | 94.23 | 74.63 | 61.65 | 50.57 | 37.67 | a | 58.62 | d | |||||||
1971 | 40.45 | 49.71 | 51.74 | 65.70 | 76.87 | 80.07 | b | 93.94 | 96.00 | 74.47 | 65.10 | 48.67 | 37.89 | l | 67.52 | a | ||||||||||
1972 | ----- | z | ----- | z | ----- | z | 62.77 | 78.84 | 84.60 | 91.23 | 88.14 | j | 74.73 | 66.48 | 47.97 | 31.26 | 67.23 | d | ||||||||
1973 | 34.39 | 45.21 | 55.32 | 63.97 | 76.90 | a | 83.92 | f | 92.71 | c | 90.96 | g | 75.95 | i | 65.77 | a | 47.20 | 43.26 | 58.30 | c | ||||||
1974 | 36.42 | 45.82 | 53.58 | 62.37 | c | 71.38 | b | 89.33 | c | 88.69 | e | 88.21 | b | 82.69 | a | 66.72 | f | 50.93 | b | 38.08 | f | 66.94 | b | |||
1975 | 35.68 | c | 42.58 | d | 51.07 | c | 54.78 | g | 71.30 | h | 79.23 | d | 93.86 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.14 | h |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.00 | 43.84 | 55.36 | 65.02 | 74.24 | 81.72 | 91.94 | 89.61 | 78.74 | 66.04 | 49.79 | 38.85 | 64.32 | |||||||||||||
S.D. | 5.08 | 5.30 | 3.42 | 3.89 | 4.33 | 3.89 | 2.55 | 3.54 | 3.78 | 2.99 | 3.28 | 4.27 | 1.65 | |||||||||||||
SKEW | -0.67 | 0.03 | 0.67 | 0.43 | -0.05 | -0.13 | -0.15 | 0.20 | -0.10 | 0.24 | -0.24 | -0.51 | 0.85 | |||||||||||||
MAX | 46.55 | 54.21 | 66.16 | 74.93 | 83.23 | 89.33 | 95.65 | 96.84 | 86.17 | 72.65 | 56.73 | 46.10 | 68.67 | |||||||||||||
MIN | 21.74 | 32.29 | 48.94 | 57.76 | 64.24 | 73.53 | 86.32 | 82.65 | 70.80 | 60.45 | 41.77 | 29.94 | 61.92 | |||||||||||||
YRS | 44 | 42 | 44 | 42 | 44 | 39 | 40 | 42 | 40 | 40 | 42 | 41 | 24 |