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Geyser1999-10-26
Grand0520 E, 1644 E
Great Fountain0427 E, 1344 E
Values for Old Faithful Area1999-10-26
Astronomical Twilight Begin06:15
Nautical Twilight Begin06:48
Civil Twilight Begin07:22
Sunrise07:52
Sunset18:22
Civil Twilight End18:51
Nautical Twilight End19:25
Astronomical Twilight End19:59
Moon Illumination97.27%

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