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Geyser1977-09-11
Constant1105, 1227
Echinus1010, 1441
Grand0605
Little Whirligig1145, 1237
Splutter Pot1100
Whirligig1100
Values for Old Faithful Area1977-09-11
Astronomical Twilight Begin05:17
Nautical Twilight Begin05:53
Civil Twilight Begin06:28
Sunrise06:57
Sunset19:41
Civil Twilight End20:11
Nautical Twilight End20:46
Astronomical Twilight End21:22
Moon Illumination5.27%

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