YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 26.00 | 41.00 | 46.00 | k | 37.00 | w | 16.00 | n | 6.00 | a | 13.00 | y | ----- | z | ||
1947 | -3.00 | g | 8.00 | d | 10.00 | l | 13.00 | l | 20.00 | f | 29.00 | 44.00 | b | 40.00 | a | 31.00 | e | 19.00 | d | -0.00 | f | ----- | z | ----- | z | |
1948 | -14.00 | -5.00 | a | -11.00 | a | 14.00 | c | 18.00 | 30.00 | 39.00 | 35.00 | e | 30.00 | b | 19.00 | d | 1.00 | b | 1.00 | -14.00 | r | |||||
1949 | -17.00 | -5.00 | 12.00 | d | 8.00 | e | 22.00 | a | 28.00 | 43.00 | a | 39.00 | d | 34.00 | c | 10.00 | f | 12.00 | e | -24.00 | d | ----- | z | |||
1950 | -4.00 | 10.00 | a | 5.00 | a | 11.00 | 8.00 | 26.00 | 40.00 | 37.00 | 24.00 | 18.00 | 1.00 | d | 4.00 | d | -4.00 | j | ||||||||
1951 | -6.00 | d | 10.00 | r | -0.00 | 11.00 | 16.00 | 22.00 | 32.00 | 40.00 | 28.00 | 12.00 | a | 8.00 | -18.00 | -18.00 | w | |||||||||
1952 | -2.00 | -1.00 | -2.00 | 18.00 | 24.00 | 34.00 | 40.00 | 38.00 | 25.00 | 21.00 | -10.00 | -13.00 | -13.00 | |||||||||||||
1953 | 2.00 | -7.00 | a | -9.00 | 8.00 | 13.00 | 26.00 | 44.00 | 37.00 | 26.00 | m | 12.00 | -5.00 | -10.00 | -10.00 | n | ||||||||||
1954 | -2.00 | 4.00 | a | 1.00 | 16.00 | a | 20.00 | a | 23.00 | a | 41.00 | a | 34.00 | c | 29.00 | c | 15.00 | c | 8.00 | a | -16.00 | a | -16.00 | p | ||
1955 | -14.00 | -7.00 | a | 1.00 | d | 9.00 | 20.00 | 23.00 | 34.00 | 44.00 | 24.00 | c | 18.00 | 7.00 | -0.00 | -14.00 | h | |||||||||
1956 | -0.00 | -7.00 | 6.00 | c | 4.00 | 20.00 | a | 31.00 | 38.00 | 31.00 | 31.00 | 11.00 | -1.00 | -6.00 | -7.00 | d | ||||||||||
1957 | -0.00 | -0.00 | 13.00 | 8.00 | a | 23.00 | 31.00 | 43.00 | 43.00 | b | 27.00 | 23.00 | d | 4.00 | b | 6.00 | -0.00 | i | ||||||||
1958 | -5.00 | 10.00 | f | 3.00 | s | ----- | z | 25.00 | g | 32.00 | 37.00 | 43.00 | 33.00 | 17.00 | -12.00 | -3.00 | c | ----- | z | |||||||
1959 | -0.00 | a | -10.00 | 3.00 | 15.00 | 21.00 | a | 24.00 | 41.00 | b | 42.00 | c | 25.00 | 19.00 | a | 4.00 | a | 4.00 | d | -10.00 | m | |||||
1960 | -21.00 | -2.00 | 10.00 | f | 7.00 | 15.00 | 33.00 | a | 39.00 | 38.00 | 28.00 | 14.00 | 8.00 | -6.00 | c | -21.00 | j | |||||||||
1961 | 4.00 | d | 5.00 | 6.00 | 10.00 | 17.00 | b | 24.00 | 32.00 | b | 41.00 | 22.00 | 19.00 | d | 8.00 | c | -8.00 | -8.00 | o | |||||||
1962 | -20.00 | -8.00 | a | -5.00 | 12.00 | 16.00 | a | 22.00 | a | 29.00 | a | 31.00 | b | 24.00 | b | 11.00 | 13.00 | -1.00 | a | -20.00 | i | |||||
1963 | -20.00 | -12.00 | b | 10.00 | e | -0.00 | c | 20.00 | a | 22.00 | 37.00 | a | 33.00 | a | 33.00 | f | 26.00 | b | 11.00 | a | -4.00 | -20.00 | v | |||
1964 | -18.00 | b | -6.00 | -0.00 | a | 10.00 | 10.00 | a | 19.00 | a | 35.00 | 31.00 | 25.00 | i | 18.00 | 2.00 | -2.00 | -18.00 | n | |||||||
1965 | -4.00 | a | -18.00 | a | 11.00 | 4.00 | 12.00 | 27.00 | 32.00 | 35.00 | 24.00 | 15.00 | -0.00 | -3.00 | -18.00 | b | ||||||||||
1966 | -21.00 | u | -12.00 | -0.00 | j | 11.00 | e | 25.00 | 28.00 | 40.00 | 40.00 | m | 35.00 | i | 17.00 | p | ----- | z | ----- | z | ----- | z | ||||
1967 | ----- | z | ----- | z | ----- | z | 14.00 | l | 12.00 | 28.00 | 44.00 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -7.83 | -4.06 | 2.56 | 9.78 | 17.47 | 26.73 | 38.14 | 37.47 | 27.44 | 17.06 | 3.42 | -5.50 | -12.67 | |||||||||||||
S.D. | 8.62 | 7.37 | 7.16 | 4.48 | 4.86 | 4.07 | 4.35 | 4.23 | 3.63 | 4.14 | 6.91 | 8.13 | 5.51 | |||||||||||||
SKEW | -0.34 | 0.28 | -0.29 | -0.22 | -0.32 | 0.05 | -0.52 | -0.14 | 0.31 | 0.23 | -0.77 | -0.69 | 0.11 | |||||||||||||
MAX | 4.00 | 10.00 | 13.00 | 18.00 | 25.00 | 34.00 | 44.00 | 44.00 | 34.00 | 26.00 | 13.00 | 6.00 | -7.00 | |||||||||||||
MIN | -21.00 | -18.00 | -11.00 | -0.00 | 8.00 | 19.00 | 29.00 | 31.00 | 22.00 | 11.00 | -12.00 | -24.00 | -18.00 | |||||||||||||
YRS | 18 | 18 | 16 | 18 | 19 | 22 | 21 | 19 | 16 | 18 | 19 | 18 | 3 |