USGS

National Water Conditions

U.S. Geological Survey
Environment Canada Climate Information Branch

OCT 1980 || NOV 1980 || DEC 1980 || JAN 1981 || FEB 1981 || MAR 1981 ||
APR 1981 || MAY 1981 JUNE 1981 || JULY 1981 || AUG 1981 || SEP 1981 ||

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