RESERVATION MAIN DRAIN NO. 4 NEAR YUMA, AZ

CALIFORNIA32.7361°N, -114.6221°W Updated 18 hr ago

FLOW RATE

37cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

37cfs 12.5% vs avg

Optimal band: 42–56 cfs

PERIOD HIGH

71cfs

PERIOD LOW

37cfs

RUNNABLE

61%

last 30 day in band

Precipitation History

Your History · RESERVATION MAIN DRAIN NO. 4 NEAR YUMA, AZ

Track your history

Sign in to track your sessions at RESERVATION MAIN DRAIN NO. 4 NEAR YUMA, AZ — best days, monthly trends, and time on the water.

32.7361, -114.6221

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC

Site #09530000·USGS

Create a free account to save favorites, set flow alerts, and track conditions