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Geyser1964-08-20
Echinus1020, 1145, 1417, 1637, 1742
Morning1615
Steamboat 1015
Values for Old Faithful Area1964-08-20
Astronomical Twilight Begin03:42
Nautical Twilight Begin04:23
Civil Twilight Begin05:01
Sunrise05:32
Sunset19:20
Civil Twilight End19:51
Nautical Twilight End20:29
Astronomical Twilight End21:10
Moon Illumination91.6%

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