MEDIAN FLOW RATE · 7 DAY
40cfs 11.5% vs avg
Optimal band: 36–48 cfs
PERIOD HIGH
59cfs
PERIOD LOW
40cfs
RUNNABLE
88%
last 7 day in band
Gauge Height
2.45ft
Water Temperature
44.8°F
Weather Map
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Your History · Firehole River at Old Faithful, WY
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Station Location
44.4593, -110.8223Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-11-09 00:00 UTC
Site #06036805·USGS
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