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In eruption since 2011
Values for Old Faithful Area2020-08-042020-08-05
Civil Twilight Begin05:4105:43
Sunrise06:1406:15
Sunset20:4420:42
Civil Twilight End21:1621:15
Moon Illumination99.62%97.35%
Last Known Eruption
Grand

37m ago

Castle

13h 24m ago

Riverside

5h 53m ago

Daisy

31m ago

Great Fountain

18h 41m ago

Beehive

16h 54m ago

Steamboat

22h 0m ago



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