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Geyser1981-08-14
Arsenic 1900,  1900,  1900
Bear Den0840 A
Echinus1415 min, 1615 min
Guardian0923
Little Whirligig0954, 1307:08
Morning1025 ie
Moxie 1800
Sunday 1900
Valentine0923
Veteran1442
Whirligig0838, 0917, 1231, 1335:10, 1416:51, 1453:45, 1533:04, 1614:23
Values for Old Faithful Area1981-08-14
Astronomical Twilight Begin04:31
Nautical Twilight Begin05:14
Civil Twilight Begin05:53
Sunrise06:25
Sunset20:30
Civil Twilight End21:02
Nautical Twilight End21:41
Astronomical Twilight End22:24
Moon Illumination97.65%

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