YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | 37.98 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 48.83 | x | 49.25 | k | 42.95 | 36.74 | h | 42.95 | k | |
1927 | 34.53 | a | 35.93 | 37.88 | a | 42.64 | a | 46.25 | a | 57.55 | 61.42 | a | 62.82 | 54.65 | 50.10 | a | 40.26 | e | 31.88 | e | 46.33 | |||||
1928 | 34.38 | b | 36.59 | b | ----- | z | ----- | z | ----- | z | ----- | z | 61.23 | i | 59.02 | g | 54.82 | e | 46.44 | e | 40.64 | h | 33.50 | m | 43.06 | h |
1929 | 28.09 | i | 31.79 | i | 38.92 | m | 38.02 | e | 48.44 | m | 53.91 | h | ----- | z | ----- | z | 56.65 | t | ----- | z | 39.54 | g | 37.50 | k | 38.02 | k |
1930 | 29.92 | r | 39.05 | r | 43.57 | q | 47.53 | m | 48.29 | g | 54.52 | g | 59.14 | f | 60.88 | b | 56.07 | h | ----- | z | 37.59 | n | 39.25 | y | 60.88 | k |
1931 | 40.23 | k | 36.29 | p | 42.92 | r | 44.78 | n | 53.91 | i | 56.71 | i | 60.53 | b | 59.98 | a | 52.00 | e | 44.92 | f | 42.85 | q | 36.09 | c | 52.15 | h |
1932 | 34.55 | j | 33.50 | d | 39.27 | e | 46.50 | t | 48.57 | h | 57.27 | j | 56.25 | c | 58.32 | i | 53.54 | b | 47.02 | b | 41.42 | r | 32.00 | d | 43.60 | f |
1933 | 33.52 | i | 32.45 | i | 36.17 | s | 41.37 | c | 45.70 | c | 53.00 | e | 57.82 | a | 60.40 | 51.41 | b | 46.98 | a | 37.05 | t | 41.26 | d | 49.74 | d | |
1934 | 39.15 | d | 40.82 | i | 45.17 | b | 51.16 | n | 52.55 | 55.72 | 58.59 | d | 60.50 | b | 52.19 | a | 48.17 | a | 41.60 | t | 38.65 | k | 51.50 | d | ||
1935 | 35.32 | l | 38.28 | j | 35.18 | i | 41.96 | p | 49.68 | a | 55.35 | 57.38 | c | 58.38 | b | 56.36 | b | 44.39 | 32.79 | k | 37.55 | j | 53.59 | f | ||
1936 | 36.11 | m | 29.97 | m | 37.82 | n | ----- | z | 52.66 | b | 55.76 | a | 58.63 | a | 59.73 | 53.09 | c | 51.10 | j | 38.23 | f | 36.02 | j | 55.97 | g | |
1937 | 20.93 | k | 26.00 | j | ----- | z | 41.96 | r | 50.33 | d | 57.33 | 60.26 | 57.50 | b | 54.00 | 50.39 | 43.56 | c | 39.17 | b | 51.57 | d | ||||
1938 | 36.62 | j | ----- | z | 35.86 | q | 44.62 | f | 51.54 | e | 57.00 | c | 63.09 | c | 58.29 | c | 58.59 | c | 48.14 | c | 37.23 | d | 36.90 | b | 51.35 | d |
1939 | 38.10 | b | 33.75 | 38.40 | 47.23 | 51.44 | ----- | z | ----- | z | ----- | z | 54.31 | a | 46.39 | 44.52 | c | 41.47 | p | 44.27 | d | |||||
1940 | 38.74 | b | ----- | z | ----- | z | 46.31 | n | 54.89 | c | 59.12 | b | 61.07 | a | 60.76 | 56.88 | 50.19 | b | ----- | z | 37.02 | i | 54.52 | e | ||
1941 | 38.14 | b | 40.13 | a | 45.34 | b | 48.57 | b | 51.06 | 55.32 | b | 65.38 | a | 59.59 | b | 52.14 | a | 46.76 | 42.04 | b | 37.95 | u | 49.50 | a | ||
1942 | 33.50 | 35.41 | a | 38.93 | a | 45.93 | c | 49.19 | 53.46 | e | 61.25 | a | 63.50 | 56.57 | a | 46.71 | 38.25 | d | 36.24 | b | 46.58 | |||||
1943 | 30.20 | d | 37.25 | 38.26 | 45.96 | b | 47.39 | c | 53.30 | 60.90 | 58.13 | 57.16 | h | 47.25 | c | 40.10 | 34.63 | h | 45.88 | b | ||||||
1944 | 36.96 | q | 35.69 | u | 37.65 | 43.66 | b | 51.35 | d | 54.24 | c | 62.80 | a | 54.03 | a | ----- | z | ----- | z | 38.14 | a | 34.35 | d | 47.03 | d | |
1945 | 35.43 | d | 36.38 | 37.58 | 40.67 | d | 52.29 | 54.76 | c | 62.37 | a | 61.25 | c | 51.87 | d | 46.80 | c | 37.43 | 35.40 | b | 46.02 | |||||
1946 | 35.05 | b | 34.64 | 38.88 | b | 44.59 | g | 55.06 | n | 52.70 | h | 61.31 | j | 59.38 | g | 51.40 | f | 41.98 | b | 36.02 | b | 35.50 | c | 37.01 | f | |
1947 | 31.77 | e | 37.35 | b | 43.15 | e | 45.58 | k | 54.35 | g | 53.75 | h | 56.75 | g | 56.69 | 53.85 | 47.37 | d | 38.41 | a | 38.45 | b | 43.38 | d | ||
1948 | 33.24 | 33.62 | 36.54 | r | 41.31 | c | 48.37 | 58.06 | e | 56.19 | b | 55.54 | f | 55.79 | r | 44.56 | 36.73 | 32.32 | 42.71 | c | ||||||
1949 | 25.15 | 31.93 | 37.60 | a | 44.33 | c | 51.98 | b | 53.56 | f | 56.85 | d | 56.65 | 54.88 | 42.47 | 42.68 | 35.77 | p | 44.45 | b | ||||||
1950 | 25.96 | g | 37.62 | o | 36.74 | 41.55 | j | 49.00 | e | 56.61 | k | 58.38 | b | 59.14 | b | 53.58 | 44.61 | 39.31 | a | 41.45 | 47.78 | d | ||||
1951 | 32.39 | 35.95 | 33.44 | 45.63 | c | 50.56 | 55.62 | 59.56 | 58.16 | 55.43 | 45.44 | 38.57 | 31.82 | a | 45.21 | |||||||||||
1952 | 31.61 | d | 35.46 | c | 36.21 | e | 43.05 | i | 49.90 | b | 51.18 | h | 59.10 | 59.62 | b | 55.72 | 50.42 | 36.10 | 36.60 | a | 45.07 | b | ||||
1953 | 41.40 | 36.75 | 37.63 | 41.37 | d | ----- | z | 50.14 | i | 58.12 | a | 57.62 | a | 54.12 | 46.34 | b | 42.52 | e | ----- | z | 46.21 | c | ||||
1954 | ----- | z | ----- | z | ----- | z | 41.74 | k | 50.37 | 51.62 | 56.27 | 55.78 | a | 53.43 | 45.50 | a | 44.93 | 35.57 | b | 49.19 | d | |||||
1955 | 33.48 | c | ----- | z | 34.69 | g | 38.65 | f | 45.56 | 53.82 | 55.55 | 57.17 | a | 52.98 | 46.39 | 34.43 | c | ----- | z | 47.42 | d | |||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.04 | p | 63.04 | c | 61.09 | n | 54.42 | j | 47.84 | c | 36.25 | j | ----- | z | 55.44 | j |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 57.12 | w | 57.03 | a | 57.69 | 56.92 | 57.52 | 45.83 | e | 37.45 | j | ----- | z | 55.00 | g | |||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.72 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.72 | k |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.70 | t | ----- | z | 57.60 | 53.90 | a | 45.62 | b | 41.07 | 37.89 | i | 49.55 | h | ||
1963 | 25.71 | x | 41.50 | e | 36.71 | e | 41.79 | f | 50.38 | b | 53.48 | 56.02 | 58.76 | 58.23 | b | 48.18 | ----- | z | ----- | z | 50.41 | d | ||||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.47 | 58.18 | 56.10 | a | 51.53 | 46.74 | ----- | z | ----- | z | 53.00 | g | ||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.38 | a | 63.34 | 59.59 | d | 52.21 | a | 48.88 | a | 45.36 | p | ----- | z | 56.08 | g | |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 50.89 | 54.23 | 58.76 | 60.10 | 55.63 | c | 46.26 | 40.40 | o | ----- | z | 54.31 | f | |||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | 50.77 | i | 56.85 | q | 61.12 | b | 66.69 | d | 58.88 | b | 47.03 | ----- | z | ----- | z | 58.43 | h | |
1968 | ----- | z | ----- | z | ----- | z | 40.61 | h | 48.26 | f | 54.81 | d | 59.17 | a | 56.79 | b | 53.56 | n | ----- | z | 38.50 | l | ----- | z | 56.92 | i |
1969 | ----- | z | ----- | z | ----- | z | 42.00 | p | 52.71 | c | 58.12 | e | 58.46 | f | 56.78 | a | 53.17 | g | 42.23 | ----- | z | ----- | z | 52.46 | h | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.05 | 62.40 | 60.67 | d | 51.83 | g | 42.21 | j | 39.46 | f | ----- | z | 60.71 | i | ||
1971 | 34.02 | g | ----- | z | 33.84 | f | 41.76 | e | 50.75 | e | 50.43 | 62.48 | d | 64.38 | c | 50.25 | d | 42.76 | f | 37.64 | h | 33.21 | g | 53.34 | f | |
1972 | 30.59 | i | 36.06 | l | 40.64 | q | 38.42 | j | 52.07 | a | 54.56 | f | 59.94 | d | 60.28 | h | 49.82 | 42.40 | 38.98 | ----- | z | 48.64 | g | |||
1973 | 31.71 | s | 35.29 | p | 38.75 | u | 46.00 | r | 50.31 | j | 51.89 | b | 61.38 | b | 57.59 | h | 52.31 | d | 44.65 | ----- | z | ----- | z | 52.56 | h | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.49 | 36.01 | 38.76 | 43.46 | 50.34 | 55.15 | 59.72 | 59.14 | 54.14 | 46.47 | 39.74 | 35.94 | 46.03 | |||||||||||||
S.D. | 3.91 | 2.42 | 3.10 | 2.94 | 2.26 | 2.31 | 2.47 | 2.61 | 2.32 | 2.21 | 2.95 | 3.08 | 0.59 | |||||||||||||
SKEW | -0.37 | 0.63 | 0.96 | 0.04 | -0.57 | -0.06 | 0.18 | 0.77 | 0.32 | -0.21 | 0.16 | 0.28 | -0.68 | |||||||||||||
MAX | 41.40 | 41.50 | 45.34 | 48.57 | 54.89 | 59.12 | 65.38 | 66.69 | 58.88 | 50.42 | 44.93 | 41.45 | 46.58 | |||||||||||||
MIN | 25.15 | 31.93 | 33.44 | 38.02 | 45.56 | 50.43 | 55.55 | 54.03 | 49.82 | 41.98 | 34.43 | 31.82 | 45.21 | |||||||||||||
YRS | 17 | 16 | 17 | 14 | 26 | 27 | 36 | 34 | 33 | 35 | 22 | 16 | 4 |