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Geyser1987-08-26
Blue Mud Steam Vent 1200
Values for Old Faithful Area1987-08-26
Astronomical Twilight Begin04:51
Nautical Twilight Begin05:31
Civil Twilight Begin06:08
Sunrise06:38
Sunset20:11
Civil Twilight End20:41
Nautical Twilight End21:18
Astronomical Twilight End21:58
Moon Illumination2.87%

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