From The Pagosa Sun (Clayton Chaney):
On the morning of Sept. 30, the flow rate of the San Juan River was listed at 30.3 cfs.
Based on 84 years of water records, the average flow rate for this date is 170 cfs. The highest recorded flow rate for this date was in 2014 at 902 cfs. The lowest rate was 12 cfs in 1953.