YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | 33.32 | 36.25 | a | 45.30 | 52.33 | b | 65.78 | 70.68 | a | 68.32 | 58.40 | 49.87 | 42.90 | 21.60 | 49.52 | a | ||||||||
1910 | 34.58 | 29.55 | 44.79 | 48.22 | 55.42 | 65.47 | 70.34 | 68.07 | b | 62.90 | 50.00 | a | 42.87 | 32.66 | 50.41 | |||||||||||
1911 | 35.93 | a | 24.25 | p | 41.56 | 49.23 | h | 56.66 | 66.33 | 67.24 | 66.32 | i | 64.48 | 48.55 | 35.63 | 19.68 | 48.45 | c | ||||||||
1912 | 30.35 | 28.97 | 35.68 | 42.90 | a | 54.11 | 60.33 | 67.97 | 66.32 | 55.73 | 47.45 | 37.50 | 27.13 | 46.20 | ||||||||||||
1913 | 26.61 | 29.29 | 37.58 | 46.02 | 57.16 | 61.33 | 67.79 | 67.16 | 55.55 | 47.00 | 43.20 | 19.77 | 46.54 | |||||||||||||
1914 | 37.53 | 33.25 | 38.98 | 47.67 | 55.34 | 64.97 | 66.47 | 65.44 | 61.28 | a | 48.13 | 39.38 | 27.28 | a | 48.81 | |||||||||||
1915 | 27.50 | 33.46 | 34.05 | 48.40 | a | 52.10 | 62.93 | a | 66.50 | 63.76 | 60.36 | a | 50.13 | 40.82 | 33.72 | d | 47.81 | |||||||||
1916 | 32.24 | 38.33 | 44.40 | 45.65 | ----- | z | ----- | z | 70.19 | 67.34 | 60.32 | 48.98 | 36.75 | 28.37 | a | 47.26 | b | |||||||||
1917 | 28.90 | a | 32.70 | 37.97 | a | 48.68 | b | 49.32 | a | 63.50 | a | 70.95 | 67.22 | a | 61.55 | a | 51.45 | a | 42.45 | ----- | z | 50.43 | a | |||
1918 | ----- | z | 35.06 | b | 42.46 | e | 46.20 | 57.77 | 68.62 | 68.95 | a | ----- | z | ----- | z | ----- | z | ----- | z | 24.76 | 49.12 | e | ||||
1919 | 20.84 | 28.02 | ----- | z | 45.16 | a | 56.76 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.69 | h | |||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | 41.96 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.23 | e | 36.10 | j | |
1922 | 21.84 | b | 27.59 | ----- | z | 44.68 | 53.55 | a | 63.47 | a | 67.53 | 67.69 | 60.63 | 48.56 | e | 38.00 | a | 34.71 | 48.02 | a | ||||||
1923 | 36.11 | 31.88 | 36.21 | 47.52 | 56.30 | a | 65.28 | 70.48 | 67.02 | 59.17 | 48.90 | a | 39.93 | 27.40 | a | 48.85 | ||||||||||
1924 | 26.77 | c | 37.64 | 33.10 | a | 47.47 | 53.69 | 67.62 | 68.38 | b | 67.71 | 59.57 | c | 52.32 | 42.79 | a | 27.36 | b | 48.70 | |||||||
1925 | 29.65 | a | 37.66 | 43.62 | a | 51.20 | b | 58.66 | b | 68.00 | c | 71.18 | a | 65.47 | 60.69 | c | 49.02 | e | 39.30 | b | 29.44 | d | 50.32 | |||
1926 | 25.73 | i | 38.93 | f | 39.50 | f | 46.92 | f | 55.12 | e | 63.61 | c | 67.16 | b | 66.98 | i | 62.88 | e | 53.64 | c | 42.31 | f | 31.95 | j | 60.48 | g |
1927 | 39.77 | a | 38.81 | o | 42.26 | f | 52.66 | h | 62.89 | c | 65.23 | b | 68.31 | d | 65.93 | c | 61.46 | g | 51.65 | g | 46.03 | l | 27.72 | h | 60.43 | g |
1928 | 34.42 | g | 33.12 | d | 40.12 | n | 51.03 | o | 55.07 | c | 63.98 | d | 69.05 | c | 65.61 | i | 59.96 | f | 54.80 | d | 37.59 | n | 27.52 | f | 55.20 | g |
1929 | 31.38 | n | 24.11 | f | 39.17 | g | 49.83 | o | 53.29 | g | 64.32 | e | 67.37 | e | 66.23 | g | 58.08 | l | 48.70 | d | 29.50 | o | 35.28 | b | 53.92 | h |
1930 | 23.56 | e | 36.23 | o | 35.78 | d | 50.95 | k | 52.20 | i | 65.38 | i | 68.62 | f | 66.95 | k | 60.74 | i | 50.90 | g | 33.71 | k | 28.38 | g | 29.67 | j |
1931 | 29.00 | q | 32.88 | k | 36.34 | i | 48.65 | j | 54.13 | l | 66.28 | n | 67.92 | k | 65.31 | o | 62.40 | j | 54.42 | k | 34.50 | m | 30.70 | k | ----- | z |
1932 | 26.26 | l | 40.39 | o | 37.21 | j | 51.06 | m | 53.96 | q | 60.63 | o | 69.79 | j | 67.62 | n | 58.21 | f | 48.69 | r | 41.61 | p | 25.40 | k | ----- | z |
1933 | 34.53 | o | 27.76 | e | 42.78 | m | 45.86 | p | 54.00 | l | 66.32 | m | 67.50 | w | 65.97 | m | 63.72 | n | 53.48 | j | 42.41 | n | 42.48 | k | 27.76 | k |
1934 | 29.35 | d | 37.79 | i | 42.19 | g | 51.61 | h | 60.54 | h | 66.69 | l | 71.10 | g | 69.97 | l | 59.20 | j | 55.02 | j | 39.39 | l | 28.38 | j | 29.35 | k |
1935 | 32.55 | k | 30.50 | l | 38.81 | m | 48.39 | g | 49.78 | d | 62.95 | j | 69.03 | o | 66.08 | g | ----- | z | ----- | z | 37.57 | g | 29.92 | l | 49.78 | k |
1936 | 32.65 | n | 32.56 | k | 40.95 | k | 47.80 | j | 55.38 | k | 67.15 | g | 68.42 | l | 68.75 | m | 57.82 | m | 51.55 | t | 34.75 | j | 29.02 | k | ----- | z |
1937 | 23.96 | h | 34.29 | i | 35.31 | j | 47.63 | k | 58.60 | g | ----- | z | 68.06 | f | 68.90 | p | 61.31 | l | 50.68 | n | 38.07 | p | 31.34 | l | ----- | z |
1938 | 32.32 | n | 29.81 | l | 40.67 | j | 45.95 | j | 53.61 | l | 62.38 | j | 64.67 | m | 68.73 | p | 58.02 | j | 48.38 | r | 35.50 | m | 29.19 | j | ----- | z |
1939 | 25.39 | m | 28.37 | m | 38.27 | k | 47.55 | i | 55.24 | j | 66.06 | c | 66.78 | h | 63.85 | e | 61.23 | j | 45.61 | q | 35.00 | m | 34.40 | k | 64.95 | j |
1940 | 22.96 | h | 32.53 | m | 40.17 | p | 48.27 | j | 55.56 | m | 64.26 | m | 69.55 | l | 62.44 | f | 61.42 | k | 51.15 | h | 31.83 | i | 27.55 | j | ----- | z |
1941 | 27.56 | m | 35.06 | j | 32.65 | h | 39.27 | j | 53.04 | c | 56.12 | i | 62.02 | h | 65.00 | h | 57.26 | i | 48.77 | k | ----- | z | ----- | z | 53.04 | k |
1942 | ----- | z | 28.82 | k | ----- | z | ----- | z | 50.10 | p | 61.18 | p | ----- | z | ----- | z | ----- | z | ----- | z | 39.22 | n | 32.88 | n | ----- | z |
1943 | ----- | z | 36.08 | h | 36.77 | i | 47.87 | k | 49.50 | t | 63.88 | j | 66.86 | c | 68.62 | b | 57.53 | n | 43.31 | w | 34.85 | q | ----- | z | 67.74 | j |
1944 | 20.28 | d | 27.23 | p | 34.38 | a | 41.50 | f | 52.84 | i | 61.29 | k | 66.27 | 66.33 | e | 58.00 | c | 49.95 | 36.11 | b | 29.47 | 45.10 | d | |||
1945 | 25.07 | b | 31.72 | s | 33.86 | m | 40.10 | 50.00 | u | 57.68 | 64.13 | 65.63 | a | 58.50 | 49.05 | 38.27 | 28.66 | b | 47.45 | c | ||||||
1946 | 23.97 | 24.66 | 31.36 | b | 49.12 | a | 50.15 | 63.57 | 67.40 | b | 64.09 | c | 59.85 | c | 47.52 | b | 32.48 | d | 30.15 | d | 45.36 | |||||
1947 | 26.87 | d | ----- | z | 34.88 | j | ----- | z | 52.26 | h | 60.16 | e | 66.11 | d | 63.71 | x | ----- | z | ----- | z | 27.70 | j | 25.03 | n | 51.05 | i |
1948 | 26.91 | c | 27.57 | i | 27.91 | i | 48.28 | 52.65 | 60.33 | a | 67.20 | d | 66.81 | g | ----- | z | ----- | z | ----- | z | ----- | z | 51.07 | g | ||
1949 | 22.41 | b | 28.36 | ----- | z | ----- | z | 53.40 | ----- | z | 65.39 | 64.45 | a | 56.96 | b | 48.52 | ----- | z | ----- | z | 48.50 | e | ||||
1950 | ----- | z | 34.18 | 35.45 | 45.57 | b | 52.50 | 62.33 | 61.92 | 60.31 | 58.52 | 54.73 | 41.65 | 34.16 | 49.21 | a | ||||||||||
1951 | 24.79 | 34.46 | b | 35.27 | 38.18 | k | 52.02 | b | ----- | z | 70.15 | 66.23 | 61.03 | ----- | z | 32.75 | 26.96 | e | 44.85 | c | ||||||
1952 | 31.47 | 30.57 | b | 31.24 | 49.27 | s | 56.48 | 70.50 | 70.34 | 69.71 | 60.85 | 52.08 | a | 35.78 | 29.18 | 48.93 | a | |||||||||
1953 | 39.63 | 31.52 | 44.15 | a | 47.22 | 55.32 | 71.32 | e | 71.87 | 67.82 | 62.07 | 51.13 | 41.38 | a | 29.24 | 51.06 | ||||||||||
1954 | 36.48 | ----- | z | ----- | z | 52.40 | a | 56.81 | 68.47 | 71.53 | 68.53 | a | 65.63 | 53.23 | 42.60 | 31.77 | 54.75 | b | ||||||||
1955 | 29.55 | 27.91 | 42.87 | 47.62 | 54.95 | 61.88 | 67.73 | a | 66.40 | 61.45 | 51.76 | 39.23 | 36.56 | 48.99 | ||||||||||||
1956 | 35.40 | 29.93 | 40.52 | a | 45.95 | 60.50 | a | 69.67 | 69.28 | d | 68.16 | 65.55 | k | 51.98 | f | 35.77 | 32.48 | 48.77 | b | |||||||
1957 | 33.66 | 42.54 | 40.10 | 44.02 | 53.23 | 64.22 | 71.48 | 67.92 | 59.17 | 50.74 | 32.32 | 36.82 | 49.68 | |||||||||||||
1958 | 30.48 | 36.43 | 33.76 | 44.33 | 57.24 | 66.55 | 69.48 | 66.74 | j | 60.93 | g | 50.00 | 40.03 | a | 36.74 | 46.51 | b | |||||||||
1959 | 24.27 | a | 32.41 | 38.73 | 47.88 | a | 57.03 | 64.65 | 66.26 | 67.61 | 58.83 | 49.52 | 39.59 | a | 32.81 | 48.30 | ||||||||||
1960 | 27.25 | a | 29.12 | a | 40.61 | d | 48.78 | 55.84 | 65.78 | 66.71 | 68.61 | 62.86 | b | 50.29 | 43.84 | a | ----- | z | 50.88 | a | ||||||
1961 | 26.70 | f | 34.84 | 40.37 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.60 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.38 | 32.55 | 38.19 | 46.78 | 54.94 | 64.81 | 68.24 | 66.61 | 60.27 | 50.21 | 39.01 | 29.80 | 48.54 | |||||||||||||
S.D. | 5.51 | 4.29 | 4.06 | 2.54 | 2.93 | 3.13 | 2.24 | 1.96 | 2.40 | 2.09 | 3.42 | 4.69 | 1.70 | |||||||||||||
SKEW | 0.25 | 0.54 | 0.04 | -0.27 | 0.33 | 0.01 | -0.43 | -1.21 | 0.07 | 0.69 | -0.48 | -0.48 | -0.42 | |||||||||||||
MAX | 39.77 | 42.54 | 44.79 | 52.40 | 62.89 | 71.32 | 71.87 | 69.71 | 65.63 | 54.80 | 43.84 | 36.82 | 51.06 | |||||||||||||
MIN | 20.28 | 24.66 | 31.24 | 40.10 | 49.32 | 57.68 | 61.92 | 60.31 | 55.55 | 47.00 | 32.32 | 19.68 | 45.36 | |||||||||||||
YRS | 32 | 30 | 27 | 26 | 33 | 32 | 36 | 29 | 27 | 29 | 27 | 28 | 13 |