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Geyser1987-04-18
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Values for Old Faithful Area1987-04-18
Astronomical Twilight Begin04:46
Nautical Twilight Begin05:26
Civil Twilight Begin06:03
Sunrise06:34
Sunset20:10
Civil Twilight End20:41
Nautical Twilight End21:18
Astronomical Twilight End21:58
Moon Illumination79.05%

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