MEDIAN FLOW RATE · 1 YEAR
3cfs
Optimal band: 2–2 cfs
PERIOD HIGH
163cfs
PERIOD LOW
2cfs
RUNNABLE
50%
last 1 year in band
Precipitation History
Your History · Charles H. Boustead Tunnel
Track your history
Sign in to track your sessions at Charles H. Boustead Tunnel — best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
39.2775, -106.4368Loading map…
DATA · CO DWR · NOAA · NWSUPDATED 2026-07-11 00:00 UTC
Site #BOUTUNCO·CO DWR
Create a free account to save favorites, set flow alerts, and track conditions