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Geyser1991-05-16
Blue Mud Steam Vent 1200
Branch Spring 1200
Echinus1448
Whistle 1991-05-12 0000-1991-05-24 0000
Values for Old Faithful Area1991-05-16
Astronomical Twilight Begin03:47
Nautical Twilight Begin04:37
Civil Twilight Begin05:20
Sunrise05:54
Sunset20:44
Civil Twilight End21:18
Nautical Twilight End22:01
Astronomical Twilight End22:51
Moon Illumination6.15%

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