| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1918 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.08 | 0.09 | 0.65 | 0.89 | 0.93 | 1.49 | 0.72 | 1.49 | ||||||||
| 1919 | 0.71 | 1.14 | 1.00 | 1.11 | 0.22 | 0.19 | 0.09 | 0.00 | 0.48 | t | 1.02 | 1.70 | 1.83 | 1.83 | ||||||||||||
| 1920 | 0.70 | 0.22 | 1.15 | 1.57 | 0.87 | 0.52 | 9999.00 | z | 0.52 | 1.38 | 0.85 | 1.40 | e | 1.45 | 1.57 | |||||||||||
| 1921 | 1.10 | a | 1.35 | 0.55 | 0.80 | 1.57 | b | 0.55 | 0.00 | 0.00 | 0.80 | 0.48 | 2.23 | o | 1.13 | 2.23 | ||||||||||
| 1922 | 1.30 | 0.51 | 0.96 | 0.93 | 0.90 | 0.82 | 0.00 | 0.88 | 0.65 | 0.92 | 1.30 | t | 1.57 | i | 1.57 | |||||||||||
| 1923 | 1.60 | j | 0.74 | 0.51 | 0.62 | 1.24 | 0.76 | 0.67 | 0.00 | z | 1.50 | 1.25 | o | 1.50 | s | 1.28 | a | 1.60 | ||||||||
| 1924 | 0.38 | 0.57 | 1.09 | 0.62 | 0.42 | 0.56 | 0.02 | 1.58 | 1.58 | 0.98 | 1.15 | 1.03 | 1.58 | |||||||||||||
| 1925 | 1.08 | 0.64 | 0.89 | 0.64 | 1.00 | l | 1.00 | 0.00 | 1.54 | 0.98 | 1.41 | 1.05 | t | 1.35 | 1.54 | |||||||||||
| 1926 | 0.65 | 0.65 | 0.45 | 1.04 | 1.74 | 0.33 | 0.58 | 1.46 | 0.40 | 0.85 | 2.62 | 1.03 | 2.62 | |||||||||||||
| 1927 | 0.78 | 2.00 | 1.25 | 0.90 | 0.84 | m | 0.63 | z | 0.30 | 0.15 | 0.97 | a | 0.60 | 1.55 | 1.38 | 2.00 | ||||||||||
| 1928 | 0.90 | 0.44 | 0.87 | n | 1.05 | a | 0.61 | 9999.00 | z | 0.01 | 0.00 | 0.86 | 0.65 | y | 0.40 | r | 0.72 | 1.05 | ||||||||
| 1929 | 1.00 | p | 0.40 | 2.00 | 1.10 | 0.43 | 0.56 | 0.00 | 0.00 | 0.00 | 0.40 | 0.20 | 2.00 | 2.00 | ||||||||||||
| 1930 | 0.97 | g | 0.51 | 0.30 | 0.88 | 0.82 | 0.36 | 0.00 | 9999.00 | z | 0.35 | z | 0.55 | 1.95 | 1.00 | 1.95 | ||||||||||
| 1931 | 0.60 | 1.31 | 0.72 | 1.05 | 0.22 | 0.75 | 0.00 | 0.05 | 0.51 | s | 1.25 | 0.91 | 9999.00 | z | 1.31 | |||||||||||
| 1932 | 9999.00 | z | 9999.00 | z | 1.36 | 0.82 | 0.97 | 0.51 | 0.06 | 0.00 | 0.00 | 0.96 | 1.37 | n | 0.92 | 1.37 | ||||||||||
| 1933 | 0.59 | d | 1.41 | 0.54 | 0.75 | c | 0.73 | 0.32 | 0.19 | 0.00 | 0.59 | b | 1.88 | i | 0.66 | 0.84 | 1.88 | |||||||||
| 1934 | 1.28 | 0.54 | b | 1.11 | 1.08 | a | 0.97 | 0.86 | 0.04 | 0.21 | 1.01 | n | 1.34 | a | 1.17 | 1.62 | 1.62 | |||||||||
| 1935 | 1.53 | 0.84 | 1.02 | 1.70 | 0.60 | 0.19 | 0.68 | 0.44 | 0.59 | 1.62 | 0.96 | 1.20 | b | 1.70 | ||||||||||||
| 1936 | 1.99 | 1.12 | 1.26 | 0.70 | 0.56 | 1.28 | 0.40 | 0.00 | 0.54 | 0.02 | 0.21 | 0.87 | 1.99 | |||||||||||||
| 1937 | 1.40 | 0.85 | a | 0.78 | 0.98 | 0.86 | a | 1.00 | 0.28 | 0.00 | 1.10 | e | 0.90 | 0.86 | 1.33 | 1.40 | ||||||||||
| 1938 | 1.07 | 1.38 | 1.31 | 0.89 | 0.64 | b | 0.39 | 0.66 | 0.00 | 0.45 | 0.53 | a | 3.35 | 2.04 | a | 3.35 | ||||||||||
| 1939 | 0.68 | c | 1.09 | a | 2.01 | 0.39 | a | 0.57 | 0.67 | 0.91 | 0.64 | 0.54 | 2.11 | f | 0.14 | a | 1.23 | e | 2.11 | |||||||
| 1940 | 0.53 | a | 0.84 | 1.24 | 0.56 | 0.74 | 0.49 | 0.12 | 0.23 | a | 2.07 | 0.83 | 0.75 | b | 1.56 | 2.07 | ||||||||||
| 1941 | 0.72 | a | 1.05 | 0.51 | a | 0.90 | a | 1.08 | 1.36 | 0.21 | 0.38 | 1.14 | 0.64 | 1.51 | c | 2.24 | c | 2.24 | ||||||||
| 1942 | 1.20 | 0.64 | a | 1.38 | b | 1.39 | 0.86 | 1.06 | 0.02 | f | 0.40 | c | 0.44 | 0.87 | a | 2.12 | b | 5.95 | 5.95 | |||||||
| 1943 | 2.77 | c | 2.23 | b | 1.06 | i | 0.99 | d | 1.32 | 1.06 | 0.03 | 0.53 | a | 0.62 | 1.08 | 0.79 | a | 0.56 | c | 2.77 | ||||||
| 1944 | 0.88 | 1.12 | 0.79 | f | 0.75 | 0.36 | d | 0.94 | 0.19 | 9999.00 | z | 0.97 | b | 0.57 | a | 1.60 | a | 0.61 | 1.60 | |||||||
| 1945 | 1.17 | 2.13 | 1.54 | 0.90 | 1.32 | 0.46 | 0.00 | 0.28 | 1.14 | 1.24 | 1.69 | 0.79 | 2.13 | |||||||||||||
| 1946 | 1.28 | 1.07 | 1.22 | 0.62 | 1.18 | 0.76 | 0.19 | 0.00 | 0.92 | 0.85 | 1.95 | 1.19 | 1.95 | |||||||||||||
| 1947 | 0.87 | 0.84 | 1.90 | 0.70 | 0.92 | 0.40 | x | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 1.90 | ||||||
| 1948 | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 0.21 | 1.00 | 0.82 | 0.92 | 1.39 | 2.07 | 2.07 | |||||||
| 1949 | 9999.00 | z | 1.98 | 0.91 | 0.46 | 1.86 | 1.83 | 0.00 | 0.00 | 0.54 | 1.80 | 1.51 | 0.76 | a | 1.98 | |||||||||||
| 1950 | 2.18 | 0.96 | 1.85 | 1.17 | 0.65 | 9999.00 | z | 0.00 | 0.00 | 0.33 | c | 1.88 | a | 0.83 | 1.29 | a | 2.18 | |||||||||
| 1951 | 2.13 | 0.71 | b | 2.54 | 0.28 | 0.70 | 0.00 | 0.00 | 0.12 | 0.63 | 1.71 | 1.95 | 1.16 | 2.54 | ||||||||||||
| 1952 | 0.92 | 1.79 | 1.99 | 0.62 | f | 0.93 | 0.91 | 0.00 | 0.00 | 1.03 | 0.33 | 0.80 | 1.78 | 1.99 | ||||||||||||
| 1953 | 3.61 | 1.50 | 0.58 | 0.88 | 1.04 | 2.00 | 0.00 | 0.63 | a | 0.29 | 0.91 | 1.45 | 1.87 | 3.61 | ||||||||||||
| 1954 | 1.90 | 0.76 | 0.82 | 0.54 | 1.03 | a | 1.00 | 0.00 | 0.40 | 0.31 | 0.54 | 0.69 | 2.72 | 2.72 | ||||||||||||
| 1955 | 0.61 | 0.93 | 1.50 | 1.44 | 0.91 | 0.70 | b | 0.10 | 0.00 | 0.84 | 1.79 | 1.52 | a | 1.72 | 1.79 | |||||||||||
| 1956 | 2.20 | 1.31 | 1.38 | 0.95 | u | 1.34 | 0.96 | 0.23 | 0.00 | a | 0.86 | 2.08 | 0.65 | u | 9999.00 | z | 2.20 | |||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1.24 | 1.04 | 1.17 | 0.89 | 0.89 | 0.74 | 0.17 | 0.35 | 0.79 | 0.99 | 1.32 | 1.46 | 2.34 | |||||||||||||
| S.D. | 0.73 | 0.51 | 0.53 | 0.32 | 0.39 | 0.45 | 0.24 | 0.46 | 0.44 | 0.49 | 0.70 | 0.93 | 0.65 | |||||||||||||
| SKEW | 1.45 | 0.75 | 0.55 | 0.54 | 0.52 | 0.85 | 1.56 | 1.46 | 0.67 | 0.49 | 0.63 | 3.30 | 0.78 | |||||||||||||
| MAX | 3.61 | 2.23 | 2.54 | 1.70 | 1.86 | 2.00 | 0.91 | 1.58 | 2.07 | 2.08 | 3.35 | 5.95 | 3.61 | |||||||||||||
| MIN | 0.38 | 0.22 | 0.30 | 0.28 | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.14 | 0.56 | 1.58 | |||||||||||||
| NO YRS | 32 | 36 | 34 | 35 | 35 | 34 | 36 | 35 | 34 | 34 | 31 | 35 | 12 | |||||||||||||