YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | 71.85 | r | 81.97 | 92.90 | 89.23 | 75.43 | 68.87 | 55.21 | b | 38.34 | b | 71.71 | e | |||||
1928 | 37.52 | 43.15 | b | 56.13 | a | 61.39 | b | 81.13 | 79.63 | 93.55 | 89.71 | 83.20 | 65.81 | 44.85 | c | ----- | z | 66.92 | a | |||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | 78.33 | g | 80.50 | 95.89 | c | 95.69 | b | 76.33 | c | 69.33 | d | 53.45 | a | 45.87 | 73.87 | e | ||
1930 | 24.39 | 47.48 | a | 55.97 | 69.07 | 69.33 | s | 81.67 | 94.37 | a | 91.13 | 78.40 | 65.23 | 48.73 | 32.84 | 62.66 | a | |||||||||
1931 | 34.74 | 41.61 | 53.76 | b | 65.72 | a | 78.16 | 82.13 | 96.71 | 94.06 | 78.17 | 66.71 | 46.73 | 31.35 | 64.16 | |||||||||||
1932 | 33.68 | 35.69 | 50.00 | 62.53 | 70.32 | 83.83 | 91.68 | 88.97 | 84.70 | 66.58 | 53.77 | 33.90 | 62.97 | |||||||||||||
1933 | 37.48 | 33.61 | 50.32 | 63.20 | 66.13 | 84.59 | a | 96.16 | 91.48 | 78.67 | 72.87 | 53.90 | 49.13 | 64.80 | ||||||||||||
1934 | 46.70 | a | 52.25 | 66.90 | 73.80 | 79.65 | 79.57 | 92.84 | 93.16 | 80.73 | 69.29 | 54.37 | 37.39 | 68.89 | ||||||||||||
1935 | 35.84 | 41.50 | 50.29 | 61.37 | 72.52 | 83.67 | 90.32 | 92.68 | 85.87 | 66.26 | 42.63 | 36.71 | 63.30 | |||||||||||||
1936 | 37.17 | a | 38.86 | 51.87 | 67.23 | 78.06 | 83.23 | 94.29 | c | 91.07 | a | 79.27 | 71.53 | a | 50.83 | 41.86 | b | 65.44 | ||||||||
1937 | 22.94 | 39.86 | 52.52 | 60.03 | a | 76.16 | 79.63 | 94.06 | 90.03 | 83.60 | 69.26 | 54.63 | 46.46 | e | 64.10 | |||||||||||
1938 | 42.48 | 44.25 | 49.10 | b | 64.07 | 72.29 | 83.43 | 91.23 | 88.87 | 84.43 | 67.42 | 44.57 | 43.29 | 64.62 | ||||||||||||
1939 | 42.45 | 40.11 | 56.77 | 70.67 | 77.16 | 79.03 | 93.58 | 93.10 | 82.47 | 66.68 | 53.90 | 45.65 | 66.80 | |||||||||||||
1940 | 38.35 | 45.59 | 58.74 | 63.23 | 78.55 | 89.03 | 91.48 | 93.83 | b | 75.80 | 66.45 | 44.59 | a | 41.68 | 65.61 | |||||||||||
1941 | 37.42 | 42.96 | 58.35 | 64.13 | 71.13 | 76.73 | 91.48 | 86.00 | 72.83 | 65.52 | 51.47 | 42.45 | 63.37 | |||||||||||||
1942 | 30.32 | 39.07 | a | 50.42 | 63.97 | 65.42 | 76.13 | 92.77 | 90.85 | d | 81.13 | 69.39 | 48.67 | 40.74 | 62.41 | |||||||||||
1943 | 35.68 | 45.29 | 52.32 | 67.17 | 68.06 | 73.47 | 90.52 | 88.13 | 86.85 | c | 65.29 | 49.93 | 41.03 | 63.64 | ||||||||||||
1944 | 32.90 | 41.48 | 52.87 | 61.17 | 72.68 | 73.40 | 87.84 | 88.03 | 81.47 | 72.48 | 44.50 | 34.94 | 61.98 | |||||||||||||
1945 | 38.42 | 45.96 | 49.58 | 60.60 | 69.81 | 76.40 | 93.58 | 90.58 | 78.48 | a | 71.68 | 47.37 | 37.84 | 63.36 | ||||||||||||
1946 | 37.45 | 43.32 | 54.84 | 68.07 | 72.52 | 79.43 | 91.74 | 91.00 | 77.37 | 60.61 | 48.20 | 43.81 | 64.03 | |||||||||||||
1947 | 36.39 | 51.63 | a | 58.87 | 64.47 | 79.55 | 74.38 | a | 92.00 | 88.55 | 80.90 | a | 67.13 | 47.57 | 39.90 | 65.11 | ||||||||||
1948 | 43.35 | 44.90 | 50.00 | 58.83 | 69.13 | 80.23 | 87.13 | 86.35 | 78.03 | 67.00 | 48.77 | 33.66 | b | 62.28 | ||||||||||||
1949 | 21.26 | 41.69 | b | 52.67 | a | 69.67 | 72.78 | v | 82.37 | 92.35 | 89.58 | 82.03 | 62.19 | 57.70 | 41.26 | 62.98 | a | |||||||||
1950 | 31.65 | 40.82 | 49.10 | 63.03 | 70.30 | a | 77.66 | a | 91.48 | b | 91.30 | a | 79.55 | a | 70.45 | b | 51.88 | d | 42.86 | c | 63.34 | |||||
1951 | 37.82 | c | 44.92 | c | 48.73 | a | 67.52 | e | 72.47 | a | 80.34 | a | 93.97 | b | 89.13 | a | 82.69 | a | 61.15 | e | 46.48 | c | 36.19 | e | 63.45 | |
1952 | 32.10 | b | 36.25 | a | 45.55 | b | 68.08 | f | 72.37 | d | 78.92 | e | 92.21 | b | 90.11 | c | 85.23 | d | 74.57 | c | 48.07 | 38.93 | a | 63.12 | a | |
1953 | 46.36 | c | 50.93 | a | 55.57 | a | 61.03 | 65.24 | b | 73.37 | c | 92.79 | b | 87.70 | d | 86.28 | a | 69.61 | c | 53.46 | d | 43.70 | d | 65.50 | ||
1954 | 44.48 | 48.43 | 50.81 | 65.76 | a | 77.43 | a | 73.40 | 91.90 | 85.81 | 79.57 | 67.52 | d | 56.83 | 38.22 | d | 65.01 | |||||||||
1955 | 34.80 | a | 40.64 | 49.03 | 55.04 | b | 68.48 | 82.97 | a | 87.93 | a | 94.45 | 80.97 | 69.87 | 46.50 | 42.37 | a | 62.75 | ||||||||
1956 | 37.69 | b | 36.57 | a | 53.88 | e | 65.60 | 72.58 | 79.28 | a | 91.23 | a | 87.52 | b | 82.50 | 62.41 | b | 50.11 | b | 40.77 | a | 63.35 | ||||
1957 | 28.29 | 40.96 | a | 53.28 | b | 59.64 | b | 67.87 | a | 81.41 | a | 90.11 | d | 87.14 | b | 82.11 | c | 59.69 | b | 49.00 | b | 42.79 | b | 61.86 | ||
1958 | 37.84 | 48.79 | 48.90 | 57.54 | d | 79.28 | b | 76.59 | a | 89.79 | b | 92.37 | a | 78.57 | 72.39 | 58.67 | l | 45.86 | q | 68.20 | b | |||||
1959 | 42.92 | e | 46.44 | j | 54.48 | h | 66.41 | c | 64.00 | a | 83.53 | 94.06 | 88.16 | 73.46 | b | 66.21 | c | 54.74 | g | 39.67 | a | 68.71 | c | |||
1960 | 31.32 | 39.97 | 52.78 | d | 61.66 | a | 66.69 | b | 85.46 | b | 96.32 | c | 85.19 | d | 83.38 | d | 67.18 | c | 48.22 | c | 38.44 | f | 65.29 | a | ||
1961 | 40.77 | a | 49.15 | a | 51.66 | b | 61.27 | d | 70.86 | c | 88.55 | a | 92.73 | a | 92.04 | h | 73.64 | e | 64.61 | 49.41 | c | 38.13 | h | 64.26 | b | |
1962 | 31.52 | 37.50 | f | 48.63 | a | 67.36 | b | 66.41 | d | 81.39 | b | 88.61 | 89.25 | g | 83.22 | g | 65.00 | 53.27 | h | 42.22 | h | 64.13 | e | |||
1963 | 37.74 | 52.79 | d | 52.87 | h | 55.38 | f | 72.38 | b | 74.57 | 85.43 | a | 87.93 | a | 81.19 | d | 69.62 | g | 50.76 | a | 36.96 | h | 67.85 | d | ||
1964 | 38.38 | j | 42.34 | 46.04 | f | 56.43 | g | 66.96 | e | 74.66 | a | 89.88 | e | 85.96 | e | 75.61 | b | 70.39 | h | 47.35 | g | 41.40 | a | 68.12 | e | |
1965 | 35.90 | 48.11 | a | 52.17 | a | 63.15 | d | 66.96 | g | 78.13 | 87.84 | 84.16 | 72.80 | 73.66 | b | 53.97 | 38.58 | 62.59 | a | |||||||
1966 | 41.74 | 45.59 | a | 56.00 | a | 64.07 | c | 76.16 | 76.33 | 88.77 | 89.55 | 81.07 | 74.83 | y | ----- | z | ----- | z | 68.81 | c | ||||||
1967 | ----- | z | ----- | z | ----- | z | 49.65 | m | 70.42 | 77.77 | 93.84 | 95.32 | 85.57 | ----- | z | ----- | z | ----- | z | 84.58 | g | |||||
1968 | ----- | z | ----- | z | ----- | z | 58.94 | l | 70.37 | a | 81.33 | 93.52 | 81.48 | 86.00 | q | ----- | z | ----- | z | ----- | z | 81.67 | h | |||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 75.10 | a | 78.80 | 90.16 | 90.68 | 81.47 | ----- | z | ----- | z | ----- | z | 83.24 | g | ||||
1970 | ----- | z | ----- | z | ----- | z | 55.68 | b | 71.58 | 87.20 | t | 92.16 | 93.58 | 74.00 | a | ----- | z | ----- | z | ----- | z | 77.40 | g | |||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 71.29 | 75.21 | a | 90.19 | 95.37 | a | 75.24 | a | ----- | z | ----- | z | ----- | z | 81.46 | g | ||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | 72.71 | 82.93 | 90.23 | a | 92.15 | e | 72.87 | ----- | z | ----- | z | ----- | z | 82.18 | g | |||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | 74.19 | 81.69 | a | 91.66 | b | 91.08 | e | 83.36 | p | ----- | z | ----- | z | ----- | z | 84.65 | h | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | 67.94 | 88.21 | b | 88.81 | 88.90 | a | 84.60 | ----- | z | ----- | z | ----- | z | 83.69 | g | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.21 | 43.51 | 52.81 | 63.75 | 72.13 | 79.94 | 91.75 | 89.94 | 79.97 | 67.51 | 50.03 | 40.17 | 64.09 | |||||||||||||
S.D. | 5.95 | 4.79 | 4.05 | 4.09 | 4.46 | 4.03 | 2.48 | 3.11 | 4.01 | 3.63 | 3.83 | 4.12 | 1.60 | |||||||||||||
SKEW | -0.57 | 0.12 | 1.22 | 0.09 | 0.23 | 0.21 | -0.23 | -0.24 | -0.24 | -0.14 | 0.10 | -0.18 | 1.10 | |||||||||||||
MAX | 46.70 | 52.79 | 66.90 | 73.80 | 81.13 | 89.03 | 96.71 | 95.69 | 86.85 | 74.57 | 57.70 | 49.13 | 68.89 | |||||||||||||
MIN | 21.26 | 33.61 | 45.55 | 55.04 | 64.00 | 73.37 | 85.43 | 81.48 | 72.80 | 59.69 | 42.63 | 31.35 | 61.86 | |||||||||||||
YRS | 37 | 36 | 35 | 36 | 43 | 47 | 48 | 46 | 45 | 37 | 35 | 33 | 25 |