YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | 65.90 | 66.42 | 77.20 | 78.29 | 86.10 | 78.13 | 68.00 | 46.33 | 41.16 | 67.50 | c | |||||||||
1917 | 42.42 | 46.96 | 50.52 | 58.50 | 66.39 | 76.53 | 89.48 | 91.42 | 78.43 | 72.23 | 53.67 | 51.97 | a | 64.88 | ||||||||||||
1918 | 48.45 | 45.43 | 56.23 | a | 66.17 | 68.68 | 85.77 | 86.65 | 82.23 | 83.63 | 67.42 | 52.21 | b | 43.87 | a | 65.56 | ||||||||||
1919 | 43.48 | 46.39 | 56.90 | 65.87 | 70.39 | 76.13 | 87.39 | 86.35 | 74.93 | 62.29 | 49.03 | 30.03 | b | 62.43 | ||||||||||||
1920 | 39.52 | 49.76 | 54.29 | 58.60 | 68.77 | 75.70 | 85.61 | 86.87 | 73.67 | 60.35 | 51.63 | 47.07 | a | 62.65 | ||||||||||||
1921 | 45.39 | 49.00 | 56.68 | 63.83 | 72.80 | a | 79.00 | 84.16 | 85.00 | 73.00 | 68.13 | 52.52 | a | 39.77 | a | 64.11 | ||||||||||
1922 | 34.68 | 43.79 | 51.97 | 59.10 | 71.94 | 83.71 | i | 88.52 | 84.97 | 82.90 | 74.06 | 61.42 | f | 42.52 | b | 63.44 | b | |||||||||
1923 | 46.16 | 43.25 | 58.48 | 63.53 | 70.74 | 77.33 | 86.00 | 89.26 | 82.47 | 65.32 | 55.40 | 44.32 | 65.19 | |||||||||||||
1924 | 38.35 | 53.31 | 57.61 | 67.70 | 80.16 | 81.37 | 84.94 | 84.29 | 78.10 | 63.19 | 47.80 | 35.94 | 64.40 | |||||||||||||
1925 | 46.58 | 52.64 | 58.10 | 66.60 | 73.58 | 78.63 | 89.45 | 83.35 | 76.87 | 68.16 | 55.13 | 55.10 | 67.02 | |||||||||||||
1926 | 53.52 | 57.21 | 65.58 | 71.83 | 71.48 | 84.03 | 88.74 | 85.42 | 72.83 | 68.68 | 59.76 | a | 50.42 | 69.13 | ||||||||||||
1927 | 36.77 | 48.96 | 56.10 | 66.27 | 71.42 | 82.73 | 91.39 | 88.48 | 75.14 | a | 66.84 | 56.87 | 43.83 | a | 65.40 | |||||||||||
1928 | 38.10 | 49.90 | 58.45 | 64.63 | 81.81 | 80.43 | 90.19 | 87.68 | 80.70 | 67.26 | 51.79 | a | 41.38 | b | 66.03 | |||||||||||
1929 | 35.69 | b | 40.86 | 61.03 | 65.90 | 79.19 | 81.70 | 89.32 | 90.68 | 78.37 | 70.61 | 54.10 | a | 47.42 | 66.24 | |||||||||||
1930 | 25.00 | d | 51.29 | 59.97 | 69.90 | 69.84 | 76.33 | 86.65 | 88.58 | 78.23 | 63.55 | 50.79 | a | 40.42 | 63.38 | |||||||||||
1931 | 42.42 | 48.93 | 55.84 | 66.53 | 77.87 | 77.57 | 89.35 | 87.35 | 76.76 | a | 66.61 | 48.20 | 35.90 | a | 64.44 | |||||||||||
1932 | 41.43 | a | 44.50 | a | 48.75 | g | 62.14 | b | 73.93 | a | 84.60 | 83.23 | 86.00 | 84.30 | 69.06 | 53.80 | 40.00 | 65.73 | a | |||||||
1933 | 44.06 | 41.93 | 55.84 | 67.87 | 69.48 | 83.17 | 90.03 | 88.43 | a | 72.31 | a | 69.52 | 53.47 | 48.10 | 65.35 | |||||||||||
1934 | 50.57 | a | 54.92 | b | 63.38 | e | 73.47 | 74.13 | 79.60 | 83.97 | 88.13 | 76.93 | c | 68.77 | e | 53.79 | p | 45.69 | e | 69.05 | a | |||||
1935 | 38.18 | i | 49.32 | 52.48 | 63.30 | 73.07 | a | 79.45 | a | 79.71 | n | 86.53 | a | 82.97 | 64.29 | 46.77 | 40.48 | b | 63.87 | b | ||||||
1936 | 42.70 | u | 32.31 | 55.48 | 68.13 | 75.71 | 78.10 | 83.19 | 86.71 | 78.73 | 71.06 | 47.93 | 48.89 | c | 66.02 | a | ||||||||||
1937 | 27.39 | 43.33 | a | 57.35 | 59.93 | 72.33 | a | 80.07 | 87.53 | a | 82.30 | a | 78.07 | a | 70.77 | 53.15 | d | 45.52 | b | 63.15 | ||||||
1938 | 42.70 | a | 43.71 | 54.61 | 67.30 | 75.35 | e | 78.10 | a | 88.74 | 79.42 | 80.27 | 62.94 | 47.07 | a | 45.10 | a | 63.78 | ||||||||
1939 | 45.84 | 44.88 | b | 58.16 | 64.76 | a | 72.26 | 72.41 | c | 82.58 | 87.52 | 80.47 | 67.32 | 55.23 | 46.71 | 64.84 | ||||||||||
1940 | 39.23 | 49.07 | 61.48 | 65.77 | 76.77 | 84.23 | 84.06 | 86.58 | 80.13 | 68.23 | 47.48 | a | 41.97 | 65.42 | ||||||||||||
1941 | 40.13 | 49.86 | 63.94 | 67.43 | 71.43 | a | 78.87 | 88.83 | b | 84.65 | 72.73 | 62.97 | 52.79 | b | 46.47 | a | 65.01 | |||||||||
1942 | 32.03 | 47.50 | 58.58 | 66.10 | 69.19 | 73.90 | 87.94 | 88.45 | 82.93 | 69.68 | 47.77 | 45.13 | 64.10 | |||||||||||||
1943 | 34.10 | 46.43 | 55.16 | 66.10 | 68.45 | 75.00 | 85.45 | 81.45 | 83.10 | 66.74 | 49.43 | 42.87 | 62.86 | |||||||||||||
1944 | 41.23 | 47.79 | 56.45 | 63.37 | 71.68 | 74.07 | 84.16 | 82.68 | 81.30 | 72.65 | 51.72 | a | 39.45 | b | 63.88 | |||||||||||
1945 | 45.73 | a | 49.61 | 54.27 | a | 65.97 | 75.55 | 81.31 | a | 90.55 | 89.19 | 78.43 | 71.32 | 52.93 | a | 43.68 | 66.54 | |||||||||
1946 | 48.43 | a | 50.82 | 56.03 | 64.62 | a | 74.68 | 75.37 | 85.53 | a | 86.71 | 78.63 | 62.10 | a | 49.50 | b | 46.50 | c | 64.91 | |||||||
1947 | 41.17 | b | 52.29 | 61.55 | 67.20 | 78.45 | 74.59 | a | 81.77 | 82.30 | a | 79.90 | 64.00 | a | 51.80 | 49.74 | 65.40 | |||||||||
1948 | 43.83 | a | 44.34 | 51.58 | 60.30 | 68.23 | 80.62 | a | 78.07 | a | 79.53 | a | 77.41 | a | 64.48 | 51.13 | 39.58 | 61.59 | ||||||||
1949 | 31.48 | 43.75 | 54.06 | 68.63 | 73.90 | 78.57 | 83.35 | 84.65 | 83.37 | 58.00 | 55.60 | 46.26 | 63.47 | |||||||||||||
1950 | 27.61 | 39.18 | 51.39 | 60.53 | 69.26 | 76.00 | 85.65 | 89.06 | 83.93 | 61.10 | 50.70 | 44.45 | 61.57 | |||||||||||||
1951 | 42.23 | 46.75 | 51.03 | 68.97 | 72.65 | 81.00 | 86.74 | 85.03 | 81.83 | 62.26 | 49.90 | 40.39 | 64.06 | |||||||||||||
1952 | 33.39 | 47.59 | 53.65 | 67.37 | 73.00 | 74.91 | g | 89.42 | 87.13 | 85.43 | 76.00 | 45.47 | 41.87 | 63.66 | a | |||||||||||
1953 | 51.74 | 51.82 | 56.23 | 61.36 | s | 67.81 | 70.80 | 85.87 | 83.81 | 81.40 | 68.71 | 54.43 | 49.42 | 65.64 | a | |||||||||||
1954 | 39.90 | 45.50 | 54.23 | 62.57 | 71.77 | 72.20 | 80.58 | 78.61 | 77.93 | 63.55 | 55.97 | 42.26 | 62.09 | |||||||||||||
1955 | 42.45 | 47.82 | 49.26 | 56.70 | 67.61 | 76.70 | 78.03 | 86.35 | 77.83 | 64.19 | 42.93 | 40.42 | 60.86 | |||||||||||||
1956 | 40.71 | 37.97 | 53.97 | 66.52 | a | 75.32 | 74.57 | 87.45 | 84.00 | 79.80 | 63.13 | 48.90 | 44.19 | 63.04 | ||||||||||||
1957 | 28.73 | a | 46.00 | 53.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.72 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.32 | 46.99 | 56.28 | 65.15 | 72.52 | 78.30 | 85.97 | 85.69 | 79.13 | 66.72 | 51.31 | 43.81 | 64.33 | |||||||||||||
S.D. | 6.83 | 4.70 | 3.73 | 3.62 | 3.73 | 3.64 | 3.46 | 2.99 | 3.46 | 3.97 | 3.57 | 4.65 | 1.73 | |||||||||||||
SKEW | -0.38 | -0.60 | 0.48 | -0.34 | 0.50 | 0.10 | -0.69 | -0.49 | -0.26 | 0.11 | -0.05 | -0.26 | 0.29 | |||||||||||||
MAX | 53.52 | 57.21 | 65.58 | 73.47 | 81.81 | 85.77 | 91.39 | 91.42 | 85.43 | 76.00 | 59.76 | 55.10 | 69.13 | |||||||||||||
MIN | 25.00 | 32.31 | 49.26 | 56.70 | 66.39 | 70.80 | 78.03 | 78.61 | 72.31 | 58.00 | 42.93 | 30.03 | 60.86 | |||||||||||||
YRS | 39 | 41 | 40 | 40 | 41 | 39 | 40 | 41 | 41 | 41 | 39 | 41 | 33 |