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Geyser1983-07-17
Echinus1035 min, 1043, 1450
Steamboat 1200
Whirligig1712
Values for Old Faithful Area1983-07-17
Astronomical Twilight Begin03:38
Nautical Twilight Begin04:33
Civil Twilight Begin05:19
Sunrise05:54
Sunset21:04
Civil Twilight End21:39
Nautical Twilight End22:24
Astronomical Twilight End23:20
Moon Illumination51.36%

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