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Geyser1967-07-21
Bear Den1340
Blue1000 ie
Cistern Spring 0800
Echinus0826, 0916, 1005, 1053, 1142, 1230, 1407, 1458, 1547, 1639
Steamboat 0800
Values for Old Faithful Area1967-07-21
Astronomical Twilight Begin03:45
Nautical Twilight Begin04:38
Civil Twilight Begin05:23
Sunrise05:58
Sunset21:01
Civil Twilight End21:35
Nautical Twilight End22:20
Astronomical Twilight End23:13
Moon Illumination99.85%

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