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In eruption since 2011
Values for Old Faithful Area2017-12-102017-12-11
Civil Twilight Begin07:1607:17
Sunrise07:4907:50
Sunset16:4316:43
Civil Twilight End17:1617:16
Moon Illumination50.51%40.01%
Last Known Eruption
Old Faithful

5h 7m ago

Castle

6h 52m ago

Grand

5h 58m ago

Daisy

4h 52m ago

Riverside

7h 45m ago

Great Fountain

29d 14h 36m ago

Beehive

8h 51m ago



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