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Geyser1987-08-17
Congress Pool 1200
Corporal 1200
Dog's Leg Spring 1200
Palpitator Spring 1200
Steamboat 1200
Values for Old Faithful Area1987-08-17
Astronomical Twilight Begin04:36
Nautical Twilight Begin05:18
Civil Twilight Begin05:56
Sunrise06:28
Sunset20:26
Civil Twilight End20:57
Nautical Twilight End21:36
Astronomical Twilight End22:18
Moon Illumination41.09%

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