YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1915 | ----- | z | ----- | z | ----- | z | 40.83 | 45.26 | 47.00 | 51.48 | 50.65 | 46.87 | 44.03 | 34.73 | 31.68 | l | 45.11 | d | ||||||||
1916 | 20.67 | a | 32.18 | a | 34.23 | 36.93 | 38.35 | 45.80 | 47.39 | 46.37 | a | 43.50 | 34.37 | a | 31.80 | 29.90 | a | 36.79 | ||||||||
1917 | 29.77 | 32.59 | a | 30.55 | 38.33 | 40.68 | 43.43 | 43.65 | 46.26 | 45.80 | 40.29 | 40.30 | 37.16 | 39.07 | ||||||||||||
1918 | 35.26 | 31.32 | 37.19 | d | 35.71 | b | 41.28 | f | 42.22 | l | 47.79 | l | 49.95 | i | 45.73 | 43.94 | 36.31 | a | 34.29 | 37.47 | d | |||||
1919 | 34.39 | 33.61 | 34.81 | 36.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.86 | h | ||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.03 | a | 40.58 | 37.00 | 34.42 | 40.01 | h | |||
1921 | 31.42 | ----- | z | ----- | z | 37.53 | 44.03 | 49.79 | a | 49.07 | a | 50.57 | a | 47.43 | b | 44.37 | a | 39.79 | a | 33.47 | a | 42.75 | b | |||
1922 | 30.60 | a | 30.36 | 33.29 | 36.63 | 41.13 | a | 47.37 | 49.25 | c | 49.38 | b | 48.74 | g | 46.66 | b | 36.47 | 33.87 | a | 39.55 | a | |||||
1923 | 35.26 | 30.25 | 35.39 | 41.90 | 45.48 | 50.40 | 54.24 | b | 55.00 | 51.43 | b | 46.24 | b | 41.40 | 36.68 | f | 44.27 | a | ||||||||
1924 | 36.26 | d | 41.68 | d | ----- | z | ----- | z | ----- | z | ----- | z | 58.28 | f | ----- | z | 55.22 | c | ----- | z | ----- | z | 34.54 | c | 41.92 | h |
1925 | 35.42 | 37.54 | 37.06 | 40.77 | 44.97 | 46.97 | 50.13 | 50.55 | 47.47 | 41.03 | 37.93 | 40.00 | 42.49 | |||||||||||||
1926 | 36.00 | 38.21 | 38.13 | 41.90 | 45.48 | 49.57 | 51.45 | 51.32 | 45.90 | 42.71 | 40.59 | a | 36.10 | 43.11 | ||||||||||||
1927 | 34.23 | 33.50 | 35.23 | 37.13 | 42.06 | 49.73 | 51.13 | 51.55 | 50.27 | 42.11 | m | 40.40 | e | 31.77 | a | 41.54 | a | |||||||||
1928 | 38.00 | b | 36.31 | 40.52 | 41.53 | 45.10 | 50.47 | 55.03 | a | 51.21 | c | 48.03 | 45.94 | 40.17 | 34.90 | 43.93 | ||||||||||
1929 | 30.00 | 28.15 | b | ----- | z | 39.80 | 45.72 | f | 49.17 | a | 49.77 | a | 50.13 | a | 46.73 | 45.43 | a | 37.37 | 37.83 | b | 41.44 | b | ||||
1930 | 24.34 | b | 35.81 | b | 37.10 | 42.57 | 41.39 | 47.60 | 48.69 | b | 50.58 | 49.33 | 42.33 | a | 38.73 | 35.87 | a | 41.20 | ||||||||
1931 | 38.00 | 34.67 | a | 38.81 | 40.34 | a | 44.61 | 48.83 | 50.68 | 50.47 | a | 51.72 | a | 45.11 | c | 36.75 | b | 34.97 | a | 42.91 | ||||||
1932 | 33.03 | 34.66 | 38.55 | 41.40 | 43.29 | 48.20 | 50.29 | 51.62 | b | 45.93 | 45.81 | 42.23 | 30.58 | 42.13 | ||||||||||||
1933 | 33.83 | a | 30.82 | 36.39 | 38.03 | 44.29 | 46.13 | 48.30 | a | 52.67 | a | 47.70 | 44.26 | 42.55 | a | 39.35 | 42.03 | |||||||||
1934 | 39.45 | 38.54 | 40.71 | 44.76 | a | 45.87 | 49.62 | a | 51.39 | 52.90 | 48.20 | 44.73 | e | 43.00 | a | 37.16 | 44.69 | |||||||||
1935 | 34.17 | a | 36.21 | 35.06 | 37.10 | 42.00 | 47.71 | b | 50.26 | 51.87 | a | 49.04 | c | 42.45 | 37.00 | 39.57 | a | 41.87 | ||||||||
1936 | 36.10 | 28.00 | 36.27 | a | 41.50 | 46.42 | 51.87 | 48.62 | w | 51.67 | a | 47.60 | 46.74 | 37.67 | 37.63 | a | 41.95 | a | ||||||||
1937 | 25.32 | 33.25 | 39.06 | 40.13 | 43.93 | b | 50.69 | a | 52.26 | 52.86 | b | 49.47 | 46.13 | 41.80 | 38.42 | 42.78 | ||||||||||
1938 | 35.90 | a | 36.54 | 38.68 | 40.63 | 45.81 | 53.00 | b | 54.06 | 50.00 | 51.30 | 45.96 | c | 38.24 | a | 38.37 | a | 44.04 | ||||||||
1939 | 39.07 | a | 33.63 | a | 37.41 | b | 43.23 | 45.62 | b | 50.31 | a | 53.38 | e | 55.29 | 50.03 | 45.10 | 43.85 | c | 44.07 | a | 45.08 | |||||
1940 | 38.52 | 40.31 | 42.39 | 45.24 | a | 48.10 | 50.57 | 53.03 | b | 53.58 | 53.03 | a | 49.48 | b | 37.73 | 39.38 | b | 45.95 | ||||||||
1941 | 37.39 | 38.18 | 42.17 | b | 44.47 | 48.39 | 51.53 | 56.10 | 55.37 | a | 50.93 | 46.65 | 42.07 | 37.94 | 45.93 | |||||||||||
1942 | 35.13 | 37.25 | 38.32 | 44.37 | 48.62 | b | 52.87 | 57.63 | d | ----- | z | 52.82 | b | 45.83 | a | 40.76 | a | 39.41 | b | 44.82 | a | |||||
1943 | 31.62 | b | 35.74 | a | 36.68 | 44.48 | a | 44.87 | a | 48.79 | a | 51.58 | 52.68 | 51.13 | 51.90 | 52.84 | k | ----- | z | 44.95 | b | |||||
1944 | ----- | z | 39.97 | 37.58 | e | 44.31 | d | 45.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.81 | d | 40.82 | g | ||
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.71 | ----- | z | ----- | z | ----- | z | ----- | z | 54.71 | k | |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.67 | 34.79 | 37.26 | 40.65 | 44.45 | 49.10 | 51.26 | 51.57 | 48.91 | 44.54 | 39.10 | 36.45 | 42.75 | |||||||||||||
S.D. | 4.58 | 3.62 | 2.70 | 2.91 | 2.46 | 2.26 | 3.00 | 2.33 | 2.70 | 3.28 | 2.84 | 3.18 | 2.39 | |||||||||||||
SKEW | -1.23 | -0.09 | -0.20 | -0.07 | -0.50 | -0.41 | -0.13 | -0.41 | 0.30 | -0.80 | -0.44 | -0.06 | -0.89 | |||||||||||||
MAX | 39.45 | 41.68 | 42.39 | 45.24 | 48.62 | 53.00 | 57.63 | 55.37 | 55.22 | 51.90 | 43.85 | 44.07 | 45.95 | |||||||||||||
MIN | 20.67 | 28.00 | 30.55 | 35.71 | 38.35 | 43.43 | 43.65 | 46.26 | 43.50 | 34.37 | 31.80 | 29.90 | 36.79 | |||||||||||||
YRS | 27 | 27 | 25 | 28 | 25 | 25 | 24 | 25 | 27 | 26 | 26 | 26 | 16 |