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Geyser1987-09-20
Blue Mud Steam Vent 1200
Values for Old Faithful Area1987-09-20
Astronomical Twilight Begin05:29
Nautical Twilight Begin06:04
Civil Twilight Begin06:38
Sunrise07:07
Sunset19:25
Civil Twilight End19:54
Nautical Twilight End20:28
Astronomical Twilight End21:04
Moon Illumination7.87%

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