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Geyser1964-09-25
Colloidal Pool 1000,  1200
Echinus0911, 1012, 1110, 1209, 1308, 1408, 1508, 1608
Hurricane Vent 0000,  1200
Ledge 1600
Steamboat 0840-1600
Valentine1530 A
Whirligig 1800
Values for Old Faithful Area1964-09-25
Astronomical Twilight Begin04:36
Nautical Twilight Begin05:11
Civil Twilight Begin05:45
Sunrise06:14
Sunset18:15
Civil Twilight End18:44
Nautical Twilight End19:18
Astronomical Twilight End19:52
Moon Illumination84.75%

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