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Geyser1987-04-17
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Values for Old Faithful Area1987-04-17
Astronomical Twilight Begin04:49
Nautical Twilight Begin05:28
Civil Twilight Begin06:05
Sunrise06:36
Sunset20:09
Civil Twilight End20:40
Nautical Twilight End21:17
Astronomical Twilight End21:56
Moon Illumination87.64%

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