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In eruption since 2011
Values for Old Faithful Area2015-07-312015-08-01
Civil Twilight Begin05:3605:38
Sunrise06:0906:11
Sunset20:4920:48
Civil Twilight End21:2221:21
Moon Illumination99.94%99.09%
Last Known Eruption
Old Faithful

1h 36m ago

Castle

11h 11m ago

Grand

6h 12m ago

Daisy

1h 15m ago

Riverside

6h 18m ago

Great Fountain

23h 47m ago

Beehive

3h 54m ago



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