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Geyser1991-11-17
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-11-17
Astronomical Twilight Begin05:40
Nautical Twilight Begin06:15
Civil Twilight Begin06:50
Sunrise07:21
Sunset16:54
Civil Twilight End17:26
Nautical Twilight End18:01
Astronomical Twilight End18:35
Moon Illumination75.54%

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