YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1899 | ----- | z | 36.96 | 40.16 | 45.10 | 47.48 | 53.33 | 54.45 | 54.35 | 52.93 | 47.32 | 42.67 | 36.23 | 46.45 | a | |||||||||||
1900 | 41.39 | 37.86 | 44.65 | 42.50 | 50.32 | 54.27 | 58.06 | 56.19 | 48.33 | 46.32 | 44.03 | 35.52 | 46.62 | |||||||||||||
1901 | 38.35 | 47.00 | q | ----- | z | ----- | z | 52.11 | m | ----- | z | ----- | z | 59.15 | k | 51.77 | 48.81 | 43.30 | 36.39 | 43.72 | g | |||||
1902 | 37.48 | 38.07 | 38.97 | a | 43.47 | 48.26 | 52.07 | 55.06 | 57.00 | b | 54.50 | 49.23 | 40.87 | 37.97 | 46.08 | |||||||||||
1903 | 37.83 | a | 36.00 | 42.77 | 46.47 | 51.58 | 53.69 | a | 55.07 | a | 58.00 | 57.43 | 46.81 | 42.20 | 33.68 | 46.79 | ||||||||||
1904 | 33.61 | 39.18 | a | 43.06 | ----- | z | 51.94 | 62.91 | g | 56.89 | c | 73.27 | e | 67.59 | c | 62.55 | 58.10 | i | 38.77 | 51.87 | c | |||||
1905 | 41.68 | 47.71 | 49.10 | 48.03 | 50.23 | 52.93 | 56.74 | 58.94 | 54.00 | 46.71 | 41.83 | 35.33 | a | 48.60 | ||||||||||||
1906 | 36.90 | a | 45.79 | ----- | z | 46.13 | 50.52 | 52.43 | 60.84 | 59.16 | 54.47 | 49.35 | 41.17 | 41.65 | 48.95 | a | ||||||||||
1907 | 38.86 | b | 44.79 | 43.35 | 47.52 | a | 50.06 | 52.47 | 58.06 | 57.43 | a | 51.63 | 53.35 | 40.70 | 38.97 | 48.10 | ||||||||||
1908 | 40.60 | a | 40.72 | 41.74 | 46.90 | 45.52 | 50.10 | 57.06 | 61.29 | 55.43 | 44.00 | 43.37 | 37.10 | 46.99 | ||||||||||||
1909 | 41.35 | 41.11 | 41.90 | 44.57 | 50.45 | 54.47 | 54.90 | 59.06 | 54.07 | 47.13 | 40.10 | 40.32 | 47.45 | |||||||||||||
1910 | 36.29 | 36.00 | 44.58 | 45.80 | 51.20 | a | 53.10 | 57.90 | a | 57.29 | 56.03 | 49.68 | 44.20 | 37.23 | 47.44 | |||||||||||
1911 | ----- | z | ----- | z | ----- | z | 44.10 | 47.76 | j | 52.25 | f | 57.39 | h | 55.15 | e | 53.71 | m | 45.22 | d | 41.03 | a | 35.74 | d | 44.25 | g | |
1912 | 41.35 | h | 35.76 | h | 43.57 | a | 44.72 | e | 50.74 | h | 54.59 | a | 58.42 | 56.52 | 52.29 | b | 47.97 | 41.10 | i | 32.83 | g | 51.15 | e | |||
1913 | 33.03 | 40.21 | 38.68 | 43.60 | 49.19 | 53.83 | 57.94 | 58.29 | 56.97 | 48.94 | 46.90 | 39.58 | 47.26 | |||||||||||||
1914 | 41.26 | 42.11 | 45.87 | 47.83 | 51.39 | 53.33 | 57.29 | 57.13 | 54.73 | 50.94 | 47.20 | 40.32 | 49.12 | |||||||||||||
1915 | 39.45 | 42.57 | 43.87 | 49.17 | 50.35 | 54.70 | 59.13 | 57.90 | 52.17 | 46.16 | 40.43 | 38.42 | 47.86 | |||||||||||||
1916 | 41.45 | 44.31 | 47.35 | 46.27 | 48.39 | 52.10 | 57.52 | 57.61 | 55.10 | 47.16 | 36.83 | 34.77 | 47.41 | |||||||||||||
1917 | 38.10 | 39.54 | 37.90 | 44.00 | 49.68 | 53.17 | 60.71 | 59.65 | 54.60 | 51.55 | 41.83 | 35.74 | 47.20 | |||||||||||||
1918 | 36.32 | 40.89 | 44.58 | 46.97 | 51.06 | 58.87 | 58.42 | 61.74 | 59.33 | 55.00 | 42.90 | 36.71 | 49.40 | |||||||||||||
1919 | 34.23 | 39.18 | 40.65 | 46.67 | 53.87 | 52.80 | 59.39 | 59.13 | 55.87 | 45.32 | 40.31 | a | 38.10 | 47.12 | ||||||||||||
1920 | 39.45 | 43.69 | 42.71 | 43.83 | 50.84 | 53.97 | 56.97 | 59.87 | a | 54.03 | 45.55 | 40.17 | 36.42 | 47.29 | ||||||||||||
1921 | 36.84 | 37.29 | 44.00 | 41.13 | 49.32 | 53.97 | 59.84 | 58.90 | 53.93 | 52.35 | 41.80 | 44.61 | 47.83 | |||||||||||||
1922 | 35.84 | 40.00 | 40.19 | 43.00 | 49.10 | 54.70 | 57.97 | 60.19 | 57.77 | 48.06 | 36.70 | 42.52 | 47.17 | |||||||||||||
1923 | 37.90 | 38.43 | 37.90 | 47.60 | 51.23 | 52.67 | 55.87 | 57.10 | 55.97 | 46.48 | 42.30 | 38.94 | 46.87 | |||||||||||||
1924 | 33.26 | 37.72 | 41.39 | 46.33 | 51.84 | 53.67 | 56.77 | 56.68 | 53.20 | 44.58 | 38.97 | 36.94 | 45.95 | |||||||||||||
1925 | 33.13 | 41.11 | 41.39 | 45.77 | 52.23 | 55.17 | 60.71 | 57.26 | 52.10 | 50.32 | 41.97 | 40.13 | 47.61 | |||||||||||||
1926 | 35.65 | 42.36 | 47.35 | 54.17 | 53.16 | 57.57 | 57.77 | 59.26 | 52.60 | 47.77 | 42.73 | 38.77 | 49.10 | |||||||||||||
1927 | 37.71 | 44.21 | 42.16 | 45.80 | 49.45 | 54.57 | 58.06 | 58.23 | 55.57 | 48.26 | 44.73 | 38.10 | 48.07 | |||||||||||||
1928 | 35.68 | 37.14 | 43.74 | 40.07 | 53.65 | 55.13 | 57.71 | 56.29 | 52.77 | 47.65 | 40.57 | 35.90 | 46.36 | |||||||||||||
1929 | 35.68 | 35.68 | 40.45 | 45.20 | 49.84 | 52.50 | 60.08 | g | 61.71 | 56.70 | 52.42 | 35.53 | 37.10 | 45.71 | a | |||||||||||
1930 | 40.55 | 41.07 | 45.32 | 48.70 | 48.48 | 53.23 | 57.68 | 59.71 | 54.90 | 48.52 | 42.67 | 31.94 | 47.73 | |||||||||||||
1931 | 36.29 | 42.68 | 39.84 | 49.47 | 54.35 | 56.60 | 61.84 | 63.13 | 57.47 | 49.26 | 41.23 | 37.13 | 49.11 | |||||||||||||
1932 | 36.58 | 42.14 | 41.77 | 41.67 | 49.52 | 51.62 | a | 55.65 | 55.68 | 52.83 | 44.48 | 40.10 | 36.39 | 45.70 | ||||||||||||
1933 | 33.45 | 33.86 | 38.00 | 43.77 | 44.13 | 51.20 | 60.39 | 59.73 | a | 52.63 | 49.21 | b | 36.08 | e | 36.74 | 44.93 | ||||||||||
1934 | 34.68 | 42.59 | f | 44.16 | 48.07 | 50.03 | 54.57 | 58.68 | 58.94 | 55.83 | 48.59 | d | 42.47 | 41.62 | e | 48.88 | a | |||||||||
1935 | 39.65 | 40.78 | e | 40.12 | e | 47.97 | a | 50.35 | 54.43 | 56.94 | 62.42 | 57.23 | 48.23 | 37.67 | 37.35 | 47.76 | ||||||||||
1936 | 34.30 | k | 41.96 | e | 44.63 | a | 47.37 | 50.52 | 54.07 | a | 61.13 | a | 60.55 | 55.53 | 50.71 | 41.70 | 39.19 | 49.76 | a | |||||||
1937 | 34.32 | 39.25 | 39.96 | d | 44.21 | a | 51.77 | 53.67 | 59.10 | a | 58.69 | e | 58.03 | 48.97 | 42.80 | 39.59 | d | 47.53 | ||||||||
1938 | 37.97 | a | 40.33 | g | 44.55 | 46.57 | 49.90 | b | 55.68 | b | 58.03 | 59.84 | 56.00 | 48.36 | c | 35.31 | d | 42.27 | a | 48.59 | a | |||||
1939 | 39.00 | 34.76 | g | 42.65 | 48.63 | 50.39 | 52.90 | 58.37 | a | 60.30 | a | 61.16 | e | 46.96 | f | 40.79 | f | 39.77 | 50.35 | c | ||||||
1940 | 41.54 | e | 42.62 | 42.38 | e | 49.43 | b | 52.90 | 56.87 | 56.32 | 58.19 | 54.60 | 49.86 | c | 38.79 | f | 43.06 | 49.80 | a | |||||||
1941 | 41.26 | 43.39 | e | 46.00 | d | 46.79 | b | 52.90 | a | 53.59 | c | 57.03 | 58.90 | b | 51.80 | 50.10 | 41.70 | 38.26 | 48.48 | |||||||
1942 | 37.06 | 34.39 | 36.39 | 45.93 | 48.23 | a | 53.77 | 57.10 | 57.58 | 53.37 | 48.87 | 39.03 | 36.58 | 45.69 | ||||||||||||
1943 | 38.00 | 39.89 | 45.61 | 47.63 | 50.45 | b | 52.00 | 57.13 | 60.06 | 54.46 | b | 50.20 | a | 38.52 | a | 39.03 | a | 47.75 | ||||||||
1944 | 35.83 | a | 37.21 | 38.13 | 41.97 | 50.68 | 51.66 | a | 54.74 | 54.55 | 55.20 | 48.32 | 43.93 | 36.65 | 45.74 | |||||||||||
1945 | 33.93 | a | 38.07 | 37.80 | a | 40.47 | 47.52 | 54.18 | b | 58.17 | b | 61.06 | 58.23 | 53.30 | a | 38.57 | 38.32 | 46.64 | ||||||||
1946 | 34.84 | 32.50 | 39.29 | 47.43 | 51.67 | a | 49.30 | 57.47 | a | 58.45 | 54.33 | 44.74 | 38.75 | b | 37.83 | b | 45.55 | |||||||||
1947 | 31.39 | 38.68 | 42.16 | 46.34 | a | 51.43 | a | 54.47 | 53.07 | b | 57.39 | 57.90 | a | 49.23 | 38.07 | 35.45 | 46.30 | |||||||||
1948 | 33.42 | 34.52 | 35.81 | 42.97 | 46.52 | 51.33 | 53.00 | a | 53.35 | 52.70 | 50.06 | 36.21 | f | 33.03 | 44.25 | a | ||||||||||
1949 | 31.16 | 34.79 | 38.10 | 45.93 | 48.60 | a | 54.43 | 56.65 | 55.23 | 55.97 | 46.22 | d | 42.57 | 33.10 | 45.23 | |||||||||||
1950 | 32.42 | 37.25 | 39.29 | 45.23 | 46.26 | 49.90 | 57.19 | 52.94 | 52.57 | 46.52 | 40.70 | 39.29 | 44.96 | |||||||||||||
1951 | 37.42 | 34.89 | 39.74 | 49.07 | 49.06 | 55.00 | 57.35 | 56.10 | 56.03 | 47.61 | 42.33 | 38.42 | 46.92 | |||||||||||||
1952 | 35.68 | 36.55 | 40.35 | 45.57 | 49.52 | 51.73 | 56.58 | 58.00 | 56.07 | 49.87 | 40.47 | 36.48 | 46.41 | |||||||||||||
1953 | 38.16 | 32.89 | 38.55 | 44.70 | 45.06 | 50.90 | 59.47 | a | 57.07 | b | 55.60 | 49.61 | 45.13 | 36.16 | 46.11 | |||||||||||
1954 | 38.35 | 43.43 | 42.68 | 48.73 | 53.14 | x | 53.59 | a | 60.33 | a | 57.50 | a | 52.93 | 46.45 | 41.67 | 34.16 | 47.26 | a | ||||||||
1955 | 35.45 | 33.82 | 39.23 | 39.57 | 48.87 | 52.33 | 56.29 | 59.39 | 56.83 | 49.26 | 41.27 | 42.23 | 46.21 | |||||||||||||
1956 | 39.30 | k | 34.21 | 36.55 | 46.33 | 51.32 | 53.93 | b | 57.58 | 55.16 | 55.17 | 49.23 | 36.53 | 33.65 | 46.33 | a | ||||||||||
1957 | 41.65 | 45.25 | 42.52 | 46.60 | 51.32 | 57.00 | 57.10 | 59.65 | 55.38 | a | 50.06 | 39.37 | 37.77 | 48.64 | ||||||||||||
1958 | 34.87 | 43.86 | 42.35 | 45.97 | 51.55 | 54.50 | 56.58 | 62.00 | 55.27 | 52.48 | 39.90 | 35.94 | 47.94 | |||||||||||||
1959 | 37.97 | 38.82 | 42.42 | 51.13 | 51.97 | 55.17 | 61.32 | 62.10 | 59.23 | 48.91 | h | ----- | z | ----- | z | 51.13 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.00 | 39.44 | 41.73 | 45.88 | 50.13 | 53.62 | 57.65 | 58.57 | 55.15 | 48.84 | 41.02 | 37.72 | 47.13 | |||||||||||||
S.D. | 2.84 | 3.65 | 2.96 | 2.71 | 2.11 | 1.82 | 1.91 | 2.95 | 2.78 | 2.96 | 2.61 | 2.61 | 1.14 | |||||||||||||
SKEW | -0.02 | 0.03 | 0.14 | 0.00 | -0.62 | 0.22 | -0.03 | 1.91 | 1.41 | 1.74 | -0.14 | 0.30 | 0.01 | |||||||||||||
MAX | 41.68 | 47.71 | 49.10 | 54.17 | 54.35 | 58.87 | 61.84 | 73.27 | 67.59 | 62.55 | 47.20 | 44.61 | 49.40 | |||||||||||||
MIN | 31.16 | 32.50 | 35.81 | 39.57 | 44.13 | 49.30 | 53.00 | 52.94 | 48.33 | 44.00 | 35.31 | 31.94 | 44.93 | |||||||||||||
YRS | 56 | 55 | 58 | 59 | 57 | 58 | 58 | 60 | 60 | 59 | 55 | 59 | 45 |