# Gunnison River below Gunnison Tunnel streamflow Daily mean discharge, Gunnison-Colorado basin, Colorado _Data through Jul 25, 2026 · source last checked Jul 26, 2026 · page revised Jul 26, 2026_ > Now 262 cfs, 60% below the 5-yr median. The Gunnison River below Gunnison Tunnel flows at 262 cfs, down 45.8% from last month and 60% below the 5-year median. Year-over-year, flow is down 60.3%. ## The numbers | Period | Current | Prior | Change | | --- | --- | --- | --- | | Week over week | 262 cfs | 259 cfs | +1.2% | | Month over month | 262 cfs | 483 cfs | -45.8% | | Year over year | 262 cfs | 660 cfs | -60.3% | | vs 5-yr median | 262 cfs | 661 cfs | -60.4% | ## About this data - Source: US Geological Survey (USGS) - Series: Daily mean streamflow (discharge) - Geography: Gunnison River below Gunnison Tunnel - Unit: cfs - Calculation period: Daily mean - Last observation: Jul 25, 2026 - Update frequency: Daily --- Cite: Gunnison River below Gunnison Tunnel: 262 cfs daily mean discharge as of Jul 25, 2026 (USGS). The Waterline. https://the-waterline.com/streamflow/gunnison-river-below-gunnison-tunnel Canonical URL: https://the-waterline.com/streamflow/gunnison-river-below-gunnison-tunnel