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Geyser1967-09-27
Cistern Spring 1800
Ledge 1800
Mud Spring 1800
Tantalus 1800
Valentine 1800
Veteran1455 A
Values for Old Faithful Area1967-09-27
Astronomical Twilight Begin05:38
Nautical Twilight Begin06:13
Civil Twilight Begin06:47
Sunrise07:15
Sunset19:12
Civil Twilight End19:41
Nautical Twilight End20:15
Astronomical Twilight End20:50
Moon Illumination46.44%

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