Arroyo Chico
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 (1)
- warning: gap Arroyo Chico Nr Guadalupe, NM: 2 gaps of 60+ days inside the record (7,145 days in all). Longest: Sep 30, 1986 to Sep 30, 2005 (6,941 days); Mar 30, 2018 to Oct 19, 2018 (204 days).
Context (3)
Show 3 notes
- flatline Arroyo Chico Nr Guadalupe, NM: 1 run of 30+ days at exactly the same flow: 6.0 cfs for 31 days from Oct 1, 1943. Usually an estimated period (ice, a broken gauge) rather than measured daily flow.
- zero run Arroyo Chico Nr Guadalupe, NM: 29 runs of 60+ days at zero flow; longest 267 days from Sep 19, 1952; 180 days from Oct 9, 1958. Usually real (a dry channel or no release), not missing data.
- ended Discontinued gauges: 1 gauge has stopped reporting: Arroyo Chico Nr Guadalupe, NM (last 2021). Their segments rest on fewer gauges after those years.
Values removed (0)
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.
None.
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 |
|---|---|---|---|---|---|
| Arroyo Chico Nr Guadalupe, NM | Arroyo Chico | usgs | 1943-10-04 | 2021-01-04 | 3011 |