MEDIAN FLOW RATE · 1 YEAR
0cfs 70.3% vs avg
Optimal band: 7–9 cfs
PERIOD HIGH
530cfs
PERIOD LOW
1cfs
RUNNABLE
5%
last 1 year in band
Gauge Height
4.21ft
Weather Map
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Your History · BLACK DRAW AT SAN BERNARDINO NWR NEAR DOUGLAS, AZ
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Station Location
31.3514, -109.2671Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-10-16 00:00 UTC
Site #09537700·USGS
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