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Geyser1982-05-18
Guardian2002, 2010
Harding 1200
Valentine1700, 2015
Values for Old Faithful Area1982-05-18
Astronomical Twilight Begin03:43
Nautical Twilight Begin04:34
Civil Twilight Begin05:18
Sunrise05:52
Sunset20:46
Civil Twilight End21:21
Nautical Twilight End22:04
Astronomical Twilight End22:55
Moon Illumination29.65%

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