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Geyser1987-08-13
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Values for Old Faithful Area1987-08-13
Astronomical Twilight Begin04:29
Nautical Twilight Begin05:12
Civil Twilight Begin05:51
Sunrise06:23
Sunset20:32
Civil Twilight End21:04
Nautical Twilight End21:43
Astronomical Twilight End22:27
Moon Illumination80.62%

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