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Geyser1981-09-03
Echinus1446:41
Graceful1543, 1630, 1715
Grand1115
Whirligig1617:42
Values for Old Faithful Area1981-09-03
Astronomical Twilight Begin05:05
Nautical Twilight Begin05:43
Civil Twilight Begin06:18
Sunrise06:48
Sunset19:56
Civil Twilight End20:26
Nautical Twilight End21:02
Astronomical Twilight End21:39
Moon Illumination20.57%

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