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Geyser1987-09-05
Blue Mud Steam Vent 1200
Values for Old Faithful Area1987-09-05
Astronomical Twilight Begin05:07
Nautical Twilight Begin05:45
Civil Twilight Begin06:20
Sunrise06:50
Sunset19:53
Civil Twilight End20:23
Nautical Twilight End20:58
Astronomical Twilight End21:36
Moon Illumination90.89%

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