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Geyser1931-07-21
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Values for Old Faithful Area1931-07-21
Astronomical Twilight Begin02:44
Nautical Twilight Begin03:38
Civil Twilight Begin04:23
Sunrise04:57
Sunset20:01
Civil Twilight End20:36
Nautical Twilight End21:20
Astronomical Twilight End22:14
Moon Illumination39.51%

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