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Geyser1991-12-01
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-12-01
Astronomical Twilight Begin05:55
Nautical Twilight Begin06:30
Civil Twilight Begin07:06
Sunrise07:39
Sunset16:45
Civil Twilight End17:17
Nautical Twilight End17:54
Astronomical Twilight End18:29
Moon Illumination22.72%

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