Date
b. For the period 9 December 1978 to 9 Febrary 1979.
Date
c. For the period 12 January 1981 to 12 March 1981.
Figure 34 (cont'd).
River entering the confluence is in the range of 50,000 cfs (1416 m3/s) to 75,000 cfs
(2124 m3/s). The low flow rates in the Missouri usually coincide with low flows in
the Mississippi River. The jams in the winters of 197778 and 197879 coincide
with periods of typically frigid winter weather. On average, the winter weather
during early 1981 was somewhat milder, though a brief cool period, not reflected
by the monthly average air temperature, may have preceded the jam in that year.
44
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