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Geyser1978-12-14
Cistern Spring 1200
Congress Pool 1200
Emerald Spring 1200
Fan-Norris 1200
Harding 1200
Values for Old Faithful Area1978-12-14
Astronomical Twilight Begin06:06
Nautical Twilight Begin06:41
Civil Twilight Begin07:18
Sunrise07:51
Sunset16:44
Civil Twilight End17:17
Nautical Twilight End17:54
Astronomical Twilight End18:29
Moon Illumination99.95%

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