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Geyser1991-07-17
Echinus1535
Gray Lakes 1200
Values for Old Faithful Area1991-07-17
Astronomical Twilight Begin03:38
Nautical Twilight Begin04:34
Civil Twilight Begin05:19
Sunrise05:54
Sunset21:04
Civil Twilight End21:39
Nautical Twilight End22:24
Astronomical Twilight End23:19
Moon Illumination35.76%

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