MEDIAN FLOW RATE · 1 YEAR
3cfs
Optimal band: 2–2 cfs
PERIOD HIGH
6cfs
PERIOD LOW
1cfs
RUNNABLE
45%
last 1 year in band
Precipitation History
Your History · Guanella Reservoir Inflow
Track your history
Sign in to track your sessions at Guanella Reservoir Inflow — best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
39.7608, -105.7139Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-11 00:00 UTC
Site #GUAINFCO·CO DWR
Create a free account to save favorites, set flow alerts, and track conditions