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Geyser1999-10-18
Arsenic1220
Constant1237
Grand1153 E, 2253 E
Great Fountain0720 E, 1630 E
Pinto1227
Values for Old Faithful Area1999-10-18
Astronomical Twilight Begin06:05
Nautical Twilight Begin06:39
Civil Twilight Begin07:12
Sunrise07:42
Sunset18:34
Civil Twilight End19:04
Nautical Twilight End19:37
Astronomical Twilight End20:11
Moon Illumination56.16%

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