BLACK DRAW AT SAN BERNARDINO NWR NEAR DOUGLAS, AZ

ARIZONA31.3514°N, -109.2671°W Updated 1 d ago

FLOW RATE

0cfs

GAUGE HT

4.21ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

0cfs 79.2% vs avg

Optimal band: 14–20 cfs

PERIOD HIGH

530cfs

PERIOD LOW

1cfs

RUNNABLE

17%

last 30 day in band

Gauge Height

4.21ft

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31.3514, -109.2671

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DATA · USGS · NOAA · NWSUPDATED 2026-10-16 00:00 UTC

Site #09537700·USGS

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