YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.31 | d | 64.34 | b | 62.74 | d | 54.98 | i | 52.65 | r | ----- | z | ----- | z | 62.13 | i |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.52 | b | 63.98 | d | 61.42 | f | 59.77 | ----- | z | ----- | z | ----- | z | 62.76 | i | |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | 46.93 | b | 55.95 | 64.13 | 70.42 | 67.68 | 60.29 | b | 46.69 | 39.68 | b | 35.13 | 54.10 | c | ||||||
1940 | ----- | z | 34.81 | m | 40.58 | e | 46.43 | a | 55.56 | e | 65.55 | b | 69.97 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.62 | g |
1941 | ----- | z | ----- | z | 38.27 | g | 39.93 | a | 53.63 | 58.58 | 65.73 | a | 64.79 | 58.40 | 45.74 | 37.78 | 31.89 | 50.72 | c | |||||||
1942 | 27.92 | 28.48 | ----- | z | 44.04 | d | 51.81 | 61.25 | 69.60 | 65.31 | 58.78 | 49.10 | 42.21 | b | 35.17 | d | 48.51 | a | ||||||||
1943 | 32.13 | a | 33.64 | f | 40.33 | a | 48.78 | 55.77 | 61.85 | 67.78 | b | 66.02 | 60.62 | 49.30 | a | 36.50 | a | 29.53 | a | 49.87 | a | |||||
1944 | 27.46 | c | 30.69 | e | 33.07 | h | 39.93 | g | 50.40 | 58.45 | 65.42 | 67.25 | a | 59.57 | a | ----- | z | 35.43 | c | ----- | z | 49.33 | d | |||
1945 | 23.87 | p | 35.39 | a | 35.68 | f | 43.80 | h | 50.09 | h | 59.00 | 67.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.90 | i | ||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | 27.68 | q | 36.64 | 39.93 | d | 44.52 | h | 60.03 | n | 59.33 | i | 66.83 | j | 64.94 | 61.80 | 48.77 | 28.90 | d | 27.02 | k | 46.83 | f | ||||
1948 | 28.68 | k | 30.90 | e | 33.18 | f | 47.22 | a | 54.35 | a | 60.82 | 68.47 | a | 66.00 | 62.20 | 49.37 | a | 32.45 | j | 32.71 | e | 52.45 | c | |||
1949 | 19.12 | b | 28.28 | e | 37.31 | e | 50.26 | k | 51.87 | 61.03 | 67.13 | a | 64.95 | a | 61.55 | b | 43.42 | g | 41.85 | g | 29.68 | f | 48.91 | d | ||
1950 | 31.52 | i | 37.40 | c | 40.08 | a | 47.82 | 51.48 | 61.31 | d | 65.93 | a | 63.66 | 56.29 | b | 55.89 | 42.67 | 38.76 | b | 51.03 | a | |||||
1951 | 32.47 | 34.08 | i | 36.45 | a | 44.72 | 52.40 | a | 58.85 | 68.95 | 64.69 | 60.02 | e | 49.09 | c | 36.93 | 30.13 | a | 48.61 | a | ||||||
1952 | 31.03 | 31.27 | a | 31.27 | 43.98 | a | 53.70 | a | 62.12 | a | 65.82 | 66.29 | c | 61.40 | 52.98 | e | 32.37 | 28.72 | a | 46.75 | ||||||
1953 | 36.57 | a | 32.36 | 38.68 | 45.03 | a | 47.82 | 63.12 | a | 67.56 | 65.23 | c | 62.36 | b | 49.39 | c | 41.31 | c | 28.18 | 48.13 | ||||||
1954 | 33.89 | 38.39 | 36.71 | 49.34 | a | 56.89 | c | 62.75 | 68.59 | b | 64.52 | b | 61.00 | a | 52.60 | 42.26 | a | 32.61 | 49.96 | |||||||
1955 | 27.29 | 27.70 | 38.75 | a | 43.87 | 52.21 | 60.10 | 65.00 | 65.08 | a | 60.89 | b | 52.55 | c | 38.69 | c | 38.60 | k | 48.38 | a | ||||||
1956 | 36.35 | k | 27.56 | c | 38.33 | g | 43.39 | h | 55.37 | 67.76 | k | 66.31 | 64.66 | b | 65.39 | h | 50.61 | h | 34.15 | m | 32.73 | p | 53.47 | h | ||
1957 | 32.43 | i | 39.86 | c | 40.66 | c | 44.02 | b | 49.60 | a | 64.32 | 66.00 | 65.24 | 60.92 | 47.68 | a | 34.04 | b | 36.41 | b | 49.89 | a | ||||
1958 | 30.33 | b | 36.58 | b | 33.66 | c | 44.36 | b | 58.15 | a | 65.98 | 70.42 | 69.12 | e | 56.12 | q | 50.19 | 37.40 | 38.24 | 48.58 | a | |||||
1959 | 34.34 | 32.98 | c | 39.52 | a | 47.40 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.56 | h | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.23 | 32.96 | 37.99 | 45.59 | 53.35 | 61.74 | 67.24 | 65.45 | 60.37 | 49.95 | 37.58 | 33.12 | 48.28 | |||||||||||||
S.D. | 4.74 | 4.15 | 2.87 | 2.43 | 2.76 | 2.39 | 1.99 | 1.47 | 1.57 | 2.71 | 4.02 | 3.63 | 1.61 | |||||||||||||
SKEW | -1.02 | 0.17 | -1.17 | -0.47 | -0.17 | 0.24 | 0.14 | 0.74 | -1.06 | 0.59 | -0.56 | 0.17 | 0.17 | |||||||||||||
MAX | 36.57 | 39.86 | 40.66 | 49.34 | 58.15 | 65.98 | 70.42 | 69.12 | 62.36 | 55.89 | 42.67 | 38.76 | 49.96 | |||||||||||||
MIN | 19.12 | 27.56 | 31.27 | 39.93 | 47.82 | 58.45 | 63.98 | 62.74 | 56.29 | 45.74 | 28.90 | 28.18 | 46.75 | |||||||||||||
YRS | 11 | 15 | 13 | 15 | 17 | 19 | 20 | 18 | 16 | 14 | 14 | 12 | 3 |