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Geyser1977-09-04
Arsenic1020 A
Colloidal Pool 1200
Constant1020 A,  1025
Echinus0854, 1052, 1154
Little Whirligig1016
Pinwheel 1200
Scummy Pool 1200
Splutter Pot1025
Sunday 1200
Valentine1745
Whirligig1025
Values for Old Faithful Area1977-09-04
Astronomical Twilight Begin05:06
Nautical Twilight Begin05:44
Civil Twilight Begin06:19
Sunrise06:49
Sunset19:54
Civil Twilight End20:24
Nautical Twilight End21:00
Astronomical Twilight End21:37
Moon Illumination62.69%

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