San Francisco River
Streamflow, conditions and background by watershed segment. Data through November 1, 2026.
Data gaps and disparities
Found automatically in the gauge records behind this river, and notes from a reviewer who checked them against other sources. Gauges need at least 26 weeks of daily data to appear on the Flow tab.
Warnings (5)
- warning: peak conflict San Francisco R Nr Alma, NM: 1 approved USGS daily value exceed that water year's USGS annual peak, in water year 1983 (e.g. 7,100 cfs on Sep 30, 1983 against a peak of 4,380). A day's mean cannot exceed the year's peak, so one of the two USGS records is wrong for those years; the daily values are kept.
- warning: gap San Francisco River At Clifton, AZ: 3 gaps of 60+ days inside the record (4,483 days in all). Longest: Jul 13, 1918 to Jul 31, 1927 (3,306 days); Jan 11, 1911 to Aug 31, 1912 (599 days); Sep 30, 1933 to Apr 30, 1935 (578 days).
- warning: peak conflict San Francisco River At Clifton, AZ: 1 approved USGS daily value exceed that water year's USGS annual peak, in water year 1983 (e.g. 10,500 cfs on Sep 30, 1983 against a peak of 6,060). A day's mean cannot exceed the year's peak, so one of the two USGS records is wrong for those years; the daily values are kept.
- warning: peak conflict San Francisco River Near Glenwood, NM: 1 approved USGS daily value exceed that water year's USGS annual peak, in water year 1983 (e.g. 4,670 cfs on Sep 30, 1983 against a peak of 2,900). A day's mean cannot exceed the year's peak, so one of the two USGS records is wrong for those years; the daily values are kept.
- warning: peak conflict San Francisco River Near Reserve, NM: 1 approved USGS daily value exceed that water year's USGS annual peak, in water year 1983 (e.g. 4,300 cfs on Sep 30, 1983 against a peak of 998). A day's mean cannot exceed the year's peak, so one of the two USGS records is wrong for those years; the daily values are kept.
Context (3)
Show 3 notes
- ended Discontinued gauges: 2 gauges have stopped reporting: San Francisco R Nr Alma, NM (last 1986); San Francisco River Near Reserve, NM (last 2018). Their segments rest on fewer gauges after those years.
- zero run San Francisco R Nr Alma, NM: 3 runs of 60+ days at zero flow; longest 157 days from Feb 14, 1971; 113 days from Mar 26, 1967. Usually real (a dry channel or no release), not missing data.
- copy disagree San Francisco River At Reserve, NM: The usace_cwms copy agrees on the median but differs by more than 10% on 23% of 62 shared days (often provisional vs approved data, or a different daily averaging window). The report does not use usace_cwms for this gauge.
Values removed (8)
A reading is removed automatically only when it is impossible (for example, a daily mean above the highest flow USGS recorded that water year). Low and zero flows are never removed: rivers here really do dry up.
Show 8 removed values
| Gauge | Date | Source | cfs | Why |
|---|---|---|---|---|
| San Francisco River At Reserve, NM | 2024-05-21 | usace_cwms | 1201.2 | automatic: daily mean above that water year's USGS peak of 296 cfs |
| San Francisco River At Reserve, NM | 2024-05-23 | usace_cwms | 10228.2 | automatic: daily mean above that water year's USGS peak of 296 cfs |
| San Francisco River At Reserve, NM | 2024-05-24 | usace_cwms | 10112.9 | automatic: daily mean above that water year's USGS peak of 296 cfs |
| San Francisco River At Reserve, NM | 2024-05-25 | usace_cwms | 9405.5 | automatic: daily mean above that water year's USGS peak of 296 cfs |
| San Francisco River At Reserve, NM | 2024-05-26 | usace_cwms | 10630.4 | automatic: daily mean above that water year's USGS peak of 296 cfs |
| San Francisco River At Reserve, NM | 2024-05-27 | usace_cwms | 9511.5 | automatic: daily mean above that water year's USGS peak of 296 cfs |
| San Francisco River At Reserve, NM | 2024-05-28 | usace_cwms | 6217.4 | automatic: daily mean above that water year's USGS peak of 296 cfs |
| San Francisco River At Reserve, NM | 2024-05-29 | usace_cwms | 5419.8 | automatic: daily mean above that water year's USGS peak of 296 cfs |
Gauges
Each row is one physical gauge; "published by" lists every agency copy that was merged into it.
| Gauge | Segment | Published by | First | Last | Weeks |
|---|---|---|---|---|---|
| San Francisco River At Reserve, NM | San Francisco | nwps, usace_cwms, usgs | 2018-06-11 | 2026-10-26 | 437 |
| San Francisco River Near Reserve, NM | San Francisco | usgs | 1959-03-02 | 2018-05-28 | 3087 |
| San Francisco River At Clifton, AZ | San Francisco | nwps, usgs | 1910-10-24 | 2026-10-26 | 5400 |
| San Francisco River Near Glenwood, NM | San Francisco | nwps, usace_cwms, usgs | 1927-10-03 | 2026-10-26 | 5169 |
| San Francisco R Nr Alma, NM | San Francisco | usgs | 1964-02-03 | 1986-09-22 | 1182 |