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Geyser1981-06-21
Echinus1044
Steamvalve Spring1220
Sunday1432, 1501, 1507
Whirligig1400, 1500
Values for Old Faithful Area1981-06-21
Astronomical Twilight Begin03:09
Nautical Twilight Begin04:13
Civil Twilight Begin05:01
Sunrise05:38
Sunset21:11
Civil Twilight End21:48
Nautical Twilight End22:37
Astronomical Twilight End23:40
Moon Illumination87.41%

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