Rock Creek
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 Rock Creek Near Monte Vista, CO: 2 gaps of 60+ days inside the record (4,170 days in all). Longest: Oct 1, 1955 to Sep 30, 1966 (4,018 days); Nov 1, 1935 to Mar 31, 1936 (152 days).
Context (2)
Show 2 notes
- ended Discontinued gauges: 1 gauge has stopped reporting: Rock Creek Near Monte Vista, CO (last 1970). Their segments rest on fewer gauges after those years.
- flatline Rock Creek Near Monte Vista, CO: 43 runs of 30+ days at exactly the same flow: 4.5 cfs for 84 days from Jan 1, 1945; 3.5 cfs for 62 days from Dec 1, 1937; 3.5 cfs for 62 days from Dec 1, 1940. Usually an estimated period (ice, a broken gauge) rather than measured daily flow.
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 |
|---|---|---|---|---|---|
| Rock Creek Near Monte Vista, CO | Alamosa-Trinchera | codwr | 1935-04-29 | 1970-09-21 | 1253 |