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Geyser1999-11-10
Grand0144 E, 1441 E
Great Fountain0450 E, 1546 E
Values for Old Faithful Area1999-11-10
Astronomical Twilight Begin05:32
Nautical Twilight Begin06:06
Civil Twilight Begin06:41
Sunrise07:12
Sunset17:01
Civil Twilight End17:32
Nautical Twilight End18:07
Astronomical Twilight End18:41
Moon Illumination4.09%

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