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Geyser1972-09-15
Bear Den0850
Beehive1730
Castle1000, 1830
Echinus0950, 1135
Flood1640
Grand1400
Great Fountain1350
Old Faithful0758 long, 0902 long, 1018 short, 1112 long, 1223 long, 1344 long, 1446 long, 1559 long, 1703 long, 1815 short, 1906 long
Riverside1205, 1740
Values for Old Faithful Area1972-09-15
Astronomical Twilight Begin05:23
Nautical Twilight Begin05:59
Civil Twilight Begin06:33
Sunrise07:02
Sunset19:33
Civil Twilight End20:03
Nautical Twilight End20:37
Astronomical Twilight End21:13
Moon Illumination44.78%

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