YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.90 | 53.23 | 39.61 | 28.96 | f | ----- | z | 51.25 | i | |||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.10 | 64.68 | 62.23 | 60.93 | 41.29 | 28.17 | 26.61 | 48.86 | e | |||||||
1922 | 19.65 | 21.89 | 30.45 | 43.03 | 50.48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.81 | i | 24.19 | 31.62 | f | ||||||
1923 | 25.90 | a | 28.25 | 31.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.61 | i | ||
1924 | 16.70 | a | ----- | z | ----- | z | ----- | z | ----- | z | 59.63 | 63.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.59 | i | ||
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 | 64.58 | 61.58 | 60.67 | 45.10 | 31.93 | 23.23 | 47.85 | f | ||||||
1932 | 22.81 | 31.48 | 29.06 | 39.63 | 51.03 | 58.79 | a | 64.81 | 63.61 | 54.50 | 41.90 | 26.73 | 20.58 | 42.08 | ||||||||||||
1933 | 22.48 | 19.27 | b | 32.26 | 37.00 | 48.35 | 60.43 | 64.32 | 62.30 | a | 59.97 | 43.90 | 28.80 | 21.55 | 41.72 | |||||||||||
1934 | 19.87 | a | 26.14 | 26.84 | 41.23 | 51.13 | 60.27 | 64.32 | 64.57 | a | 52.90 | 42.71 | 32.30 | 31.29 | 42.80 | |||||||||||
1935 | 29.17 | a | 29.46 | 36.13 | 45.43 | 49.55 | 60.03 | 63.23 | a | 64.87 | 52.97 | 44.03 | 30.03 | 24.35 | 44.11 | |||||||||||
1936 | 21.06 | 25.14 | 33.65 | 39.70 | 53.74 | 60.73 | 64.35 | 62.19 | d | 56.10 | a | 42.83 | a | 27.00 | 24.74 | 42.60 | ||||||||||
1937 | 22.84 | ----- | z | ----- | z | 40.40 | 54.55 | 57.83 | 62.48 | 64.06 | 56.83 | 44.74 | h | 29.17 | 24.58 | 45.86 | c | |||||||||
1938 | 24.52 | b | 34.78 | j | ----- | z | ----- | z | ----- | z | ----- | z | 66.86 | x | 62.10 | a | 54.43 | 44.74 | 23.89 | b | 21.35 | 38.51 | f | |||
1939 | 27.31 | e | 20.69 | b | 33.92 | e | 41.25 | r | 51.55 | k | 59.70 | c | 63.36 | c | 59.90 | a | ----- | z | 38.32 | f | 28.23 | q | 25.57 | j | 44.15 | f |
1940 | 20.04 | c | 26.26 | f | 29.36 | q | 41.91 | s | 54.47 | p | 59.08 | d | 64.12 | g | 63.83 | g | ----- | z | 39.81 | o | ----- | z | ----- | z | 39.56 | j |
1941 | ----- | z | ----- | z | ----- | z | 44.83 | g | 54.94 | 58.40 | 63.13 | a | 62.06 | 58.13 | 49.13 | 32.23 | 26.23 | 50.53 | d | |||||||
1942 | 23.94 | 24.82 | 30.32 | 43.03 | a | 48.94 | 58.40 | 71.22 | d | 62.74 | h | 54.97 | 42.81 | 24.20 | y | 24.61 | 42.31 | b | ||||||||
1943 | 23.48 | 24.86 | 30.03 | 40.47 | 46.90 | 58.67 | 59.84 | 60.03 | 51.34 | a | 35.29 | 23.97 | 20.61 | 39.62 | ||||||||||||
1944 | 18.65 | 27.45 | 29.13 | 36.77 | 48.52 | 59.27 | 62.65 | 61.68 | 54.20 | 43.26 | 31.20 | 20.70 | a | 41.12 | ||||||||||||
1945 | 23.84 | 28.26 | a | 33.77 | 38.67 | 50.17 | a | 54.17 | 62.61 | 62.61 | 53.03 | 42.77 | 28.83 | 22.74 | 41.79 | |||||||||||
1946 | 23.00 | 22.21 | 31.48 | 44.73 | 49.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.19 | g | |||||
1947 | ----- | z | ----- | z | ----- | z | 46.25 | v | 55.47 | a | 60.30 | 66.10 | 64.39 | ----- | z | ----- | z | ----- | z | ----- | z | 61.56 | h | |||
1948 | 25.00 | c | 30.45 | 33.37 | a | 45.62 | a | 53.04 | c | 62.46 | b | 64.89 | c | 64.80 | a | 56.45 | a | 45.63 | a | 28.40 | 31.30 | a | 45.12 | |||
1949 | 23.35 | 29.57 | 36.52 | 41.66 | a | 54.87 | a | 60.20 | 65.07 | a | 61.68 | 57.47 | 41.38 | b | 31.44 | c | 26.76 | b | 44.16 | |||||||
1950 | 26.86 | b | 32.04 | b | 35.84 | 45.87 | 52.77 | 64.27 | 66.61 | 62.26 | 57.00 | 46.80 | a | 27.81 | c | 21.96 | c | 45.01 | ||||||||
1951 | 20.59 | d | 25.58 | d | 31.61 | 38.31 | a | 51.19 | 60.20 | 66.87 | 63.32 | 52.52 | a | 43.97 | 26.97 | 25.23 | 42.20 | |||||||||
1952 | 26.60 | a | 22.14 | 30.86 | b | 43.00 | 49.32 | 63.40 | 62.87 | 63.48 | 52.77 | 35.16 | 27.87 | 17.87 | 41.28 | |||||||||||
1953 | 25.32 | 22.96 | 34.40 | a | 41.57 | 48.10 | a | 61.90 | 65.90 | 62.58 | 50.23 | 41.27 | a | 28.41 | a | 16.42 | 41.59 | |||||||||
1954 | 22.90 | a | 27.08 | c | 34.29 | 44.72 | a | 51.90 | b | 60.97 | 63.71 | 64.40 | a | 55.66 | a | 45.48 | d | 28.13 | 18.13 | a | 43.11 | |||||
1955 | 22.45 | 19.14 | 31.79 | b | 40.48 | a | 49.84 | 57.27 | 63.48 | 61.80 | a | 55.53 | 41.45 | b | 28.05 | i | 22.10 | 42.30 | a | |||||||
1956 | 23.73 | a | 20.93 | 29.74 | 37.70 | 50.16 | 62.73 | 63.35 | 59.45 | 51.30 | 42.48 | b | 21.86 | a | 19.77 | 40.27 | ||||||||||
1957 | 25.42 | 36.18 | 33.35 | 39.45 | a | 48.07 | c | 58.10 | 63.52 | 62.77 | 52.47 | 43.90 | b | 31.76 | a | 22.65 | 43.14 | |||||||||
1958 | 22.65 | 28.61 | 34.06 | 39.37 | 50.61 | 62.57 | 64.00 | p | 61.77 | 57.80 | 45.94 | 31.50 | 19.90 | a | 41.34 | a | ||||||||||
1959 | 17.68 | 27.96 | 27.65 | 41.63 | 52.03 | 58.33 | 62.75 | o | 62.42 | 54.56 | e | 38.62 | b | 21.50 | b | 23.19 | 38.69 | a | ||||||||
1960 | 19.13 | 18.43 | h | 30.43 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 19.13 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.90 | 26.10 | 32.09 | 41.23 | 50.97 | 59.86 | 64.29 | 62.49 | 55.11 | 42.75 | 28.33 | 23.06 | 42.45 | |||||||||||||
S.D. | 2.96 | 4.30 | 2.57 | 2.73 | 2.38 | 2.12 | 2.04 | 1.44 | 2.85 | 3.15 | 3.10 | 3.56 | 1.54 | |||||||||||||
SKEW | -0.13 | 0.22 | -0.16 | 0.20 | 0.39 | -0.14 | 1.25 | -0.15 | 0.42 | -0.70 | -0.69 | 0.52 | 0.13 | |||||||||||||
MAX | 29.17 | 36.18 | 36.52 | 45.87 | 55.47 | 64.27 | 71.22 | 64.87 | 60.93 | 49.13 | 32.30 | 31.30 | 45.12 | |||||||||||||
MIN | 16.70 | 19.14 | 26.84 | 36.77 | 46.90 | 54.17 | 59.84 | 59.45 | 50.23 | 35.16 | 21.50 | 16.42 | 39.62 | |||||||||||||
YRS | 30 | 25 | 25 | 24 | 26 | 28 | 26 | 28 | 27 | 26 | 24 | 27 | 17 |