| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.29 | 77.71 | 72.83 | 52.87 | 33.80 | 27.58 | 58.68 | |||||||
| 1923 | 34.94 | 36.54 | 51.39 | 57.47 | 66.10 | 69.83 | 86.71 | 86.06 | 78.60 | 63.42 | 51.87 | 37.55 | 60.04 | |||||||||||||
| 1924 | 32.94 | 47.25 | a | 46.74 | 62.27 | 77.77 | 80.70 | 87.30 | a | 84.84 | 76.00 | 59.65 | 45.03 | 26.42 | 60.58 | |||||||||||
| 1925 | 35.26 | 43.73 | b | 59.47 | l | 59.75 | b | 67.12 | w | 75.69 | a | 90.65 | 83.19 | d | 71.18 | b | 62.30 | a | 45.73 | 37.50 | c | 60.50 | ||||
| 1926 | 34.80 | a | 43.29 | 57.71 | 65.50 | 68.74 | 84.10 | 89.68 | 85.13 | 69.50 | 64.90 | 50.96 | b | 32.68 | 62.25 | |||||||||||
| 1927 | 34.32 | 37.33 | a | 48.39 | 55.47 | 62.48 | 74.43 | 86.97 | 82.74 | d | 68.46 | b | 63.78 | d | 49.58 | d | 32.86 | b | 58.07 | |||||||
| 1928 | 35.52 | f | 38.50 | e | 49.97 | 55.65 | d | 77.00 | e | 73.11 | k | 91.13 | h | 83.23 | i | 78.67 | c | 62.27 | e | ----- | z | 33.81 | d | 56.55 | ||
| 1929 | 28.42 | 30.68 | 49.00 | 51.63 | 68.74 | 72.97 | 87.68 | 90.00 | 70.87 | 67.19 | 52.83 | 44.14 | b | 59.51 | ||||||||||||
| 1930 | 23.13 | 43.04 | 50.86 | j | 63.79 | a | 64.77 | 77.14 | a | 88.06 | 86.16 | 74.07 | 63.38 | b | 46.90 | 30.55 | 60.09 | |||||||||
| 1931 | 34.13 | 39.11 | 49.39 | 60.23 | 74.16 | 76.97 | 91.48 | 88.94 | 72.67 | 62.58 | 43.10 | 30.36 | f | 62.98 | ||||||||||||
| 1932 | 30.08 | g | 32.21 | 45.45 | 57.20 | 65.32 | 79.23 | 85.00 | 83.71 | 80.37 | 63.32 | 50.43 | 31.48 | 61.25 | ||||||||||||
| 1933 | 32.94 | 30.11 | 44.10 | 58.60 | 60.68 | 78.40 | 90.39 | 85.97 | 72.90 | 70.58 | 52.70 | 44.45 | 60.15 | |||||||||||||
| 1934 | 44.14 | c | 50.11 | 62.74 | 69.37 | 74.81 | 76.10 | 89.03 | 89.35 | 75.77 | 64.81 | 48.37 | 32.00 | 64.72 | ||||||||||||
| 1935 | 33.23 | 37.61 | 43.45 | 56.00 | 68.19 | 78.80 | 85.87 | 87.13 | 81.80 | 62.96 | c | 39.23 | 36.42 | 59.22 | ||||||||||||
| 1936 | 30.39 | 33.03 | 42.32 | 63.10 | 72.42 | 76.83 | 89.58 | 87.10 | 75.80 | e | 69.00 | 52.30 | 38.52 | 60.87 | ||||||||||||
| 1937 | 19.39 | 34.68 | 46.68 | 55.03 | 71.81 | 74.93 | 89.03 | 84.74 | 78.77 | 65.32 | 49.40 | 41.94 | 59.31 | |||||||||||||
| 1938 | 39.26 | 37.18 | 43.32 | 60.20 | 67.42 | 79.70 | 87.10 | 84.74 | 79.60 | 61.42 | 43.33 | 40.52 | 60.32 | |||||||||||||
| 1939 | 39.35 | 34.18 | 51.45 | 65.97 | 72.87 | 75.07 | 89.45 | 88.97 | 78.00 | 62.77 | 54.53 | 43.87 | 63.04 | |||||||||||||
| 1940 | 36.39 | 40.17 | 53.06 | 59.20 | 73.97 | 84.10 | 86.58 | 89.61 | 71.67 | 62.87 | 40.67 | 40.19 | 61.54 | |||||||||||||
| 1941 | 36.55 | 39.07 | 53.77 | 58.73 | 66.35 | 71.63 | 87.94 | 80.26 | 67.57 | 60.45 | 50.03 | 38.10 | 59.20 | |||||||||||||
| 1942 | 28.52 | 34.29 | 44.16 | 60.60 | 62.13 | 73.27 | 89.13 | a | 88.23 | 79.50 | 66.97 | 44.10 | 35.16 | 58.84 | ||||||||||||
| 1943 | 30.81 | 39.57 | 47.71 | 63.57 | 65.10 | 69.93 | a | 86.57 | a | 84.19 | 84.31 | a | 61.94 | 48.07 | 40.90 | 60.22 | ||||||||||
| 1944 | 32.13 | 37.31 | 50.35 | 58.30 | 70.94 | 72.59 | a | 84.90 | 84.45 | 77.80 | 70.90 | 40.57 | 34.10 | 59.53 | ||||||||||||
| 1945 | 34.39 | 41.50 | 46.68 | 58.93 | 66.81 | 73.43 | 89.84 | 87.32 | 75.90 | 68.97 | 43.80 | 35.00 | 60.21 | |||||||||||||
| 1946 | 34.13 | 37.82 | 49.39 | 63.60 | 67.45 | 74.27 | 86.35 | 86.77 | 73.13 | 54.74 | 44.23 | 41.71 | 59.47 | |||||||||||||
| 1947 | 35.74 | 48.07 | 57.16 | 61.47 | 76.35 | 71.03 | 86.23 | 84.39 | 77.97 | 62.68 | 42.53 | 36.26 | 61.66 | |||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.61 | 82.55 | 74.10 | 64.37 | a | 44.93 | 29.43 | a | 63.17 | |||||
| 1949 | 20.13 | 34.67 | a | 47.84 | 65.73 | 71.03 | 78.52 | a | 88.20 | a | 85.23 | 78.79 | b | 59.19 | 58.00 | a | 36.53 | a | 60.32 | |||||||
| 1950 | 29.17 | a | 37.33 | a | 43.32 | 57.83 | 67.23 | a | 74.40 | 86.80 | a | 86.58 | 75.00 | 64.10 | 48.47 | 40.10 | a | 59.19 | ||||||||
| 1951 | 31.26 | 37.96 | 43.19 | 62.90 | 67.00 | 77.24 | a | 88.00 | a | 84.23 | 78.57 | 56.50 | a | 42.13 | 30.68 | 58.31 | ||||||||||
| 1952 | 28.61 | 32.66 | 38.00 | 62.62 | a | 67.03 | a | 71.50 | 85.00 | a | 85.29 | 79.10 | a | 71.58 | 45.72 | a | 31.07 | a | 58.18 | |||||||
| 1953 | 41.53 | a | 44.00 | 49.84 | 56.07 | c | 59.23 | 67.52 | a | 87.32 | 81.17 | a | 80.24 | a | 64.57 | a | 50.23 | 38.23 | a | 60.00 | ||||||
| 1954 | 38.42 | 46.32 | 47.20 | a | 61.47 | 72.61 | c | 70.36 | b | 88.03 | b | 78.08 | e | 74.90 | ----- | z | ----- | z | ----- | z | 64.15 | |||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 32.91 | 38.69 | 48.41 | 60.27 | 68.88 | 75.36 | 87.68 | 85.15 | 75.89 | 63.51 | 46.89 | 36.12 | 60.19 | |||||||||||||
| S.D. | 5.65 | 5.13 | 5.19 | 3.88 | 4.82 | 4.06 | 1.83 | 3.04 | 3.99 | 4.25 | 5.12 | 4.91 | 1.53 | |||||||||||||
| SKEW | -0.59 | 0.43 | 0.70 | 0.11 | 0.03 | 0.30 | -0.04 | -0.63 | -0.22 | -0.30 | -0.21 | -0.08 | 1.16 | |||||||||||||
| MAX | 44.14 | 50.11 | 62.74 | 69.37 | 77.77 | 84.10 | 91.48 | 90.00 | 84.31 | 71.58 | 58.00 | 44.45 | 64.72 | |||||||||||||
| MIN | 19.39 | 30.11 | 38.00 | 51.63 | 59.23 | 67.52 | 83.61 | 77.71 | 67.57 | 52.87 | 33.80 | 26.42 | 58.07 | |||||||||||||
| NO YRS | 29 | 31 | 29 | 31 | 30 | 30 | 32 | 32 | 33 | 32 | 31 | 31 | 25 | |||||||||||||