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Geyser1991-03-31
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Values for Old Faithful Area1991-03-31
Astronomical Twilight Begin04:25
Nautical Twilight Begin05:02
Civil Twilight Begin05:37
Sunrise06:06
Sunset18:48
Civil Twilight End19:18
Nautical Twilight End19:52
Astronomical Twilight End20:29
Moon Illumination98.9%

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