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Geyser1999-12-27
Grand0641 E, 1653 E
Great Fountain0541 E, 1640 E
Values for Old Faithful Area1999-12-27
Astronomical Twilight Begin06:13
Nautical Twilight Begin06:48
Civil Twilight Begin07:25
Sunrise07:58
Sunset16:49
Civil Twilight End17:23
Nautical Twilight End18:00
Astronomical Twilight End18:35
Moon Illumination73.46%

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