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Geyser1981-08-01
Arsenic1233
Basin 1800
Echinus1608, 1830 A
Giantess2136
Guardian1224
Morning0100, 1043, 2218
Valentine1235
Veteran1508, 1730
Values for Old Faithful Area1981-08-01
Astronomical Twilight Begin04:07
Nautical Twilight Begin04:55
Civil Twilight Begin05:37
Sunrise06:10
Sunset20:48
Civil Twilight End21:21
Nautical Twilight End22:03
Astronomical Twilight End22:51
Moon Illumination1.49%

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