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Geyser1977-09-09
Constant1728
Echinus1155
Little Whirligig1730
Splutter Pot1740
Whirligig1740
Values for Old Faithful Area1977-09-09
Astronomical Twilight Begin05:14
Nautical Twilight Begin05:51
Civil Twilight Begin06:26
Sunrise06:55
Sunset19:45
Civil Twilight End20:14
Nautical Twilight End20:50
Astronomical Twilight End21:26
Moon Illumination17.75%

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