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Geyser1999-06-05
Constant1509, 1859, 1914, 1929, 1958, 2015, 2031
Echinus0924, 1235, 1400, 1545
Grand0805 E
Great Fountain0348 E, 1518 E
Values for Old Faithful Area1999-06-05
Astronomical Twilight Begin03:16
Nautical Twilight Begin04:16
Civil Twilight Begin05:03
Sunrise05:39
Sunset21:03
Civil Twilight End21:39
Nautical Twilight End22:27
Astronomical Twilight End23:26
Moon Illumination69.65%

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