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Geyser1939-08-31
Colloidal Pool 1200
Values for Old Faithful Area1939-08-31
Astronomical Twilight Begin03:59
Nautical Twilight Begin04:37
Civil Twilight Begin05:14
Sunrise05:44
Sunset19:03
Civil Twilight End19:33
Nautical Twilight End20:09
Astronomical Twilight End20:48
Moon Illumination98.33%

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