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In eruption since 2011
Values for Old Faithful Area2018-04-212018-04-22
Civil Twilight Begin05:5605:54
Sunrise06:2706:25
Sunset20:1620:17
Civil Twilight End20:4720:48
Moon Illumination31.39%42.49%
Last Known Eruption
Castle

3h 23m ago

Grand

1h 46m ago

Daisy

2h 31m ago

Riverside

4h 19m ago

Great Fountain

67d 22h 52m ago

Beehive

25m ago



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