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In eruption since 2011
Values for Old Faithful Area2018-09-222018-09-23
Civil Twilight Begin06:4206:43
Sunrise07:1107:12
Sunset19:1919:17
Civil Twilight End19:4819:46
Moon Illumination92.2%96.59%
Last Known Eruption
Old Faithful

1h 31m ago

Grand

51m ago

Castle

9h 42m ago

Riverside

3h 58m ago

Daisy

1h 33m ago

Great Fountain

17h 41m ago

Beehive

10h 33m ago

Steamboat

4d 17h 24m ago



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