FromThe Durango Herald (Dale Rodebaugh):
Statistics from the U.S. Geological Survey show the daily flow in the Animas last month averaged 194 cubic feet per second while the 2002 average flow was 317 cfs. A USGS graph shows the flow in the Animas last month was well below the 97-year average of 463 cfs for September. The 194 cfs of last month compares to a 97-year average that fluctuated from 400 to slightly more than 300 cfs. Since 2002, the September flow in the Animas had rebounded. In 2003, the Animas carried a daily average flow of 589 cfs. Then from 2004 through 2008, the average daily flow in September was 600, 344, 489, 656 and 343 cfs. The all-time low flow in the Animas in September apparently was in 1956, when the river carried a daily average of 161 cfs. Other years when the September flow averaged less than this year were 1974 (174 cfs), 1978 (201 cfs), 1959 (208 cfs) and 1953 (211 cfs).
More Animas River coverage here.