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Geyser1999-12-21
Grand0038 E, 1129 E, 2214 E
Great Fountain0811 E, 1754 E
Values for Old Faithful Area1999-12-21
Astronomical Twilight Begin06:10
Nautical Twilight Begin06:46
Civil Twilight Begin07:23
Sunrise07:56
Sunset16:46
Civil Twilight End17:19
Nautical Twilight End17:56
Astronomical Twilight End18:32
Moon Illumination96.79%

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