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In eruption since 2011
Values for Old Faithful Area2019-01-172019-01-18
Civil Twilight Begin07:2207:21
Sunrise07:5407:53
Sunset17:1217:14
Civil Twilight End17:4417:46
Moon Illumination79.73%88.02%
Last Known Eruption
Grand

8h 45m ago

Castle

14h 16m ago

Riverside

17h 35m ago

Daisy

48m ago

Great Fountain

16d 4h 46m ago

Beehive

1d 1h 57m ago

Steamboat

1d 9h 2m ago



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