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In eruption since 2011
Values for Old Faithful Area2015-07-022015-07-03
Civil Twilight Begin05:0705:07
Sunrise05:4305:44
Sunset21:1121:11
Civil Twilight End21:4721:47
Moon Illumination99.97%98.27%
Last Known Eruption
Grand

8h 30m ago

Castle

6h 59m ago

Daisy

12m ago

Riverside

2h 48m ago

Great Fountain

7h 26m ago

Beehive

15h 28m ago

Fountain

7h 29m ago



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