YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.81 | e | 86.86 | i | 80.47 | ----- | z | ----- | z | ----- | z | 83.14 | j | |
1920 | 34.14 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.26 | 83.77 | 78.95 | k | 69.06 | 41.17 | 32.45 | 57.48 | f | |||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.70 | 62.13 | 56.17 | 42.61 | 60.40 | h | ||||
1924 | 26.85 | d | 37.39 | a | 40.00 | 65.43 | 70.10 | 79.60 | 90.23 | 90.48 | 76.30 | 71.10 | a | 51.11 | b | 24.23 | a | 60.24 | ||||||||
1925 | 26.65 | 38.39 | 54.73 | a | 71.00 | 74.77 | 83.57 | 92.45 | b | 93.60 | a | 82.13 | 51.65 | e | 46.93 | 32.42 | 62.36 | |||||||||
1926 | 31.37 | a | 41.07 | a | 48.23 | 67.00 | c | 84.16 | 85.90 | 93.97 | 92.32 | 75.32 | b | 64.35 | 41.97 | a | 34.33 | a | 63.33 | |||||||
1927 | 35.23 | a | 42.37 | a | 48.61 | 57.86 | a | 68.52 | 81.04 | b | 88.80 | a | 85.10 | 79.77 | 71.03 | 39.97 | 17.17 | a | 59.62 | |||||||
1928 | 31.29 | 39.17 | 52.48 | 58.47 | 80.27 | a | 78.87 | 89.94 | 90.97 | a | 77.10 | 66.74 | 46.73 | 40.45 | 62.71 | |||||||||||
1929 | 22.45 | b | 24.43 | 52.10 | a | 63.63 | 72.26 | 78.63 | 96.17 | a | 96.32 | 72.23 | 65.48 | 41.52 | a | 31.37 | d | 59.72 | ||||||||
1930 | 19.90 | 50.32 | 48.26 | 66.87 | 71.39 | 83.67 | 99.10 | 91.16 | 81.50 | 61.87 | a | 49.45 | a | 37.84 | 63.44 | |||||||||||
1931 | 43.77 | a | 49.18 | 47.71 | 68.10 | a | 74.84 | 92.87 | 97.52 | 92.07 | b | 87.96 | b | 69.35 | 49.47 | 34.06 | 67.24 | |||||||||
1932 | 26.35 | 38.07 | 37.55 | 65.17 | 77.68 | 84.62 | a | 93.58 | 91.94 | 82.47 | 61.52 | 48.52 | a | 30.65 | 61.51 | |||||||||||
1933 | 43.39 | 36.54 | 51.58 | 64.21 | a | 72.23 | a | 97.17 | 94.84 | 86.03 | 86.60 | 68.61 | 52.40 | 35.00 | 65.72 | |||||||||||
1934 | 40.20 | a | 42.61 | 50.71 | 67.17 | 88.40 | a | 89.50 | 99.16 | 91.10 | a | 75.60 | 70.57 | a | 52.00 | 34.23 | 66.77 | |||||||||
1935 | 32.20 | a | 44.39 | 51.84 | 52.53 | 61.71 | 78.60 | 99.03 | 92.71 | 84.80 | 66.90 | 44.07 | 32.74 | 61.79 | ||||||||||||
1936 | 16.23 | 7.24 | 47.45 | 56.57 | 77.39 | 89.13 | 105.29 | 97.26 | 84.00 | 63.45 | 41.50 | 33.48 | 59.92 | |||||||||||||
1937 | 12.19 | 29.00 | 43.55 | 55.23 | 78.63 | a | 80.14 | a | 95.32 | 97.27 | a | 82.42 | d | 67.84 | l | 42.90 | 33.52 | 59.11 | a | |||||||
1938 | 32.48 | 32.54 | 53.16 | 62.50 | 69.16 | 84.87 | 92.53 | a | 96.16 | 85.13 | 74.97 | 46.27 | 41.55 | 64.28 | ||||||||||||
1939 | 41.65 | 29.60 | c | 56.52 | 66.57 | 86.97 | 82.87 | 94.94 | 90.84 | 88.13 | ----- | z | 57.27 | 45.03 | 67.31 | a | ||||||||||
1940 | 18.06 | 31.41 | 40.10 | 59.30 | 75.87 | 86.37 | 98.29 | 88.48 | 85.60 | 73.32 | 41.47 | 37.74 | 61.33 | |||||||||||||
1941 | 29.58 | 31.50 | 42.58 | 62.87 | 79.90 | 81.40 | 92.87 | 91.10 | 78.90 | 62.52 | 49.64 | b | 41.32 | 62.02 | ||||||||||||
1942 | 36.90 | 31.07 | 42.42 | 67.45 | a | 66.55 | 77.83 | 87.68 | 88.10 | 75.23 | 66.81 | 51.77 | 33.97 | 60.48 | ||||||||||||
1943 | 23.32 | 43.32 | 45.27 | a | 69.36 | b | 72.19 | 82.23 | 95.45 | b | 91.65 | 78.40 | 68.97 | a | 45.83 | 41.00 | 63.08 | |||||||||
1944 | 39.86 | b | 30.85 | b | 35.84 | 53.63 | c | 77.90 | 80.04 | c | 86.77 | 84.58 | 76.69 | a | 69.00 | a | 43.33 | 33.97 | b | 59.37 | ||||||
1945 | 35.16 | 38.19 | b | 55.29 | 59.61 | b | 68.26 | d | 73.46 | b | 88.76 | b | 87.52 | b | 79.04 | b | 68.69 | b | 47.37 | c | 26.83 | a | 60.68 | |||
1946 | 40.07 | c | 42.70 | a | 56.93 | c | 72.41 | c | 68.31 | b | 84.82 | b | 91.72 | b | 86.90 | a | 79.12 | f | 59.52 | d | 45.64 | b | 37.56 | d | 62.42 | a |
1947 | 37.10 | 29.78 | a | 41.43 | c | 56.17 | a | 70.43 | c | 76.69 | a | 90.00 | a | 94.52 | 81.74 | c | 74.34 | b | 36.89 | c | 32.86 | c | 60.16 | |||
1948 | 28.10 | a | 28.54 | c | 41.93 | b | 69.18 | b | 75.08 | f | 73.88 | d | 88.75 | c | 90.00 | d | 84.44 | c | 67.55 | i | ----- | z | 34.62 | o | 63.10 | d |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.33 | g | 52.83 | 31.30 | a | 42.07 | j | |
1950 | 17.62 | g | 32.14 | 35.10 | a | 49.97 | a | 63.93 | a | 80.54 | b | 80.48 | f | 80.13 | a | 73.43 | g | 72.85 | k | ----- | z | 34.69 | b | 53.79 | e | |
1951 | 29.23 | a | ----- | z | 33.97 | a | 56.24 | a | 71.83 | b | 76.50 | h | 83.83 | a | 82.19 | 71.69 | a | 60.54 | c | 43.30 | 23.23 | 55.60 | b | |||
1952 | 23.13 | a | 34.64 | a | 32.68 | 65.31 | a | 72.94 | 86.33 | 92.16 | 87.70 | a | 84.69 | a | 65.26 | 47.17 | 34.65 | 60.55 | ||||||||
1953 | 34.67 | a | 32.56 | a | 46.27 | a | 53.07 | b | 70.07 | a | 81.93 | 87.23 | 87.23 | 81.50 | 73.48 | 53.31 | a | 35.84 | 61.43 | |||||||
1954 | 26.53 | a | 54.07 | 40.52 | 64.93 | 67.81 | e | 80.59 | c | 91.35 | 86.55 | 76.13 | 59.10 | a | 56.57 | 35.40 | a | 61.63 | ||||||||
1955 | 34.67 | a | 26.79 | 46.17 | b | 72.00 | a | 79.23 | 77.47 | 94.50 | a | 93.80 | a | 80.67 | 68.97 | b | 38.57 | 22.77 | a | 61.30 | ||||||
1956 | 23.10 | 27.93 | 43.13 | 55.55 | a | 71.63 | a | 90.21 | a | 85.71 | 83.57 | a | 80.50 | b | 72.87 | a | 45.70 | 42.10 | 60.17 | |||||||
1957 | 23.97 | 37.54 | b | 41.29 | c | 56.63 | 66.73 | a | 78.43 | b | 90.40 | a | 86.45 | b | 75.22 | c | 59.39 | 45.32 | b | 46.52 | b | 58.99 | ||||
1958 | 38.69 | b | 30.68 | 36.36 | i | 58.18 | h | 78.52 | d | 77.40 | 82.46 | c | 90.97 | 82.21 | b | 69.69 | b | 51.28 | a | 34.68 | 63.66 | b | ||||
1959 | 25.90 | b | 27.70 | a | 51.33 | a | 62.62 | a | 70.66 | b | 87.14 | a | 91.06 | 91.45 | 74.79 | b | 58.97 | a | 37.55 | a | 40.74 | 59.99 | ||||
1960 | 28.20 | a | 24.74 | b | 30.50 | c | 58.77 | 71.42 | 77.82 | b | 90.03 | b | 87.83 | a | 79.57 | b | 68.00 | 49.67 | 29.83 | b | 58.03 | |||||
1961 | 29.21 | b | 39.48 | a | 51.38 | b | 56.93 | 67.70 | a | 83.83 | a | 88.86 | c | 90.26 | 74.76 | a | 67.86 | c | 48.48 | a | 31.79 | b | 60.88 | |||
1962 | 31.45 | b | 30.21 | 32.37 | d | 63.04 | b | 73.47 | a | 77.14 | a | 83.43 | c | 85.19 | d | 75.13 | 68.26 | 53.14 | a | 37.77 | 59.22 | |||||
1963 | 23.84 | 40.21 | 55.74 | d | 61.72 | a | 72.48 | 85.10 | 89.30 | a | 86.85 | d | 78.19 | c | 73.67 | a | 51.38 | a | 28.66 | b | 62.26 | |||||
1964 | 39.63 | d | 40.88 | c | 39.97 | a | 63.26 | c | 76.26 | 82.15 | c | 94.00 | c | 86.00 | d | 77.00 | j | ----- | z | ----- | z | ----- | z | 65.27 | d | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.42 | 35.11 | 45.30 | 62.01 | 73.40 | 82.41 | 91.65 | 89.47 | 79.94 | 66.70 | 47.14 | 34.35 | 61.57 | |||||||||||||
S.D. | 7.66 | 8.46 | 7.33 | 5.82 | 5.87 | 5.05 | 4.93 | 4.10 | 4.27 | 5.28 | 5.26 | 6.08 | 2.17 | |||||||||||||
SKEW | -0.20 | -0.45 | -0.25 | -0.12 | 0.59 | 0.71 | 0.34 | -0.03 | 0.05 | -0.62 | -0.04 | -0.47 | 1.00 | |||||||||||||
MAX | 43.77 | 54.07 | 56.93 | 72.41 | 88.40 | 97.17 | 105.29 | 97.27 | 88.13 | 74.97 | 57.27 | 46.52 | 67.24 | |||||||||||||
MIN | 12.19 | 7.24 | 30.50 | 49.97 | 61.71 | 73.46 | 82.46 | 80.13 | 71.69 | 51.65 | 36.89 | 17.17 | 58.03 | |||||||||||||
YRS | 40 | 39 | 39 | 39 | 39 | 39 | 41 | 41 | 39 | 37 | 40 | 41 | 32 |