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Geyser1991-06-16
Crater Spring 1200
Echinus0915, 1055, 1158,  1200, 1210 ?, 1300, 1321, 1415, 1500, 1548
Scummy Pool 1200
Yellow Funnel Spring 1200
Values for Old Faithful Area1991-06-16
Astronomical Twilight Begin03:09
Nautical Twilight Begin04:12
Civil Twilight Begin05:01
Sunrise05:37
Sunset21:09
Civil Twilight End21:46
Nautical Twilight End22:35
Astronomical Twilight End23:38
Moon Illumination19.56%

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