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Geyser1984-07-08
Blue Mud Steam Vent 1200
Branch Spring 1200
Values for Old Faithful Area1984-07-08
Astronomical Twilight Begin03:25
Nautical Twilight Begin04:24
Civil Twilight Begin05:11
Sunrise05:47
Sunset21:09
Civil Twilight End21:45
Nautical Twilight End22:32
Astronomical Twilight End23:31
Moon Illumination75.42%

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