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Geyser1981-04-20
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Values for Old Faithful Area1981-04-20
Astronomical Twilight Begin03:41
Nautical Twilight Begin04:22
Civil Twilight Begin04:59
Sunrise05:30
Sunset19:14
Civil Twilight End19:44
Nautical Twilight End20:22
Astronomical Twilight End21:02
Moon Illumination99.16%

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