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Geyser1991-10-31
Fantail 1991-10-20 0000-1992-05-01 2359
Values for Old Faithful Area1991-10-31
Astronomical Twilight Begin05:20
Nautical Twilight Begin05:54
Civil Twilight Begin06:29
Sunrise06:59
Sunset17:14
Civil Twilight End17:44
Nautical Twilight End18:19
Astronomical Twilight End18:52
Moon Illumination38.85%

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