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Geyser1964-08-17
Echinus0718, 0840, 0950, 1019, 1059, 1203, 1305, 1414, 1519, 1620
Steamboat0810
Valentine0825, 0925
Values for Old Faithful Area1964-08-17
Astronomical Twilight Begin03:37
Nautical Twilight Begin04:19
Civil Twilight Begin04:57
Sunrise05:28
Sunset19:25
Civil Twilight End19:56
Nautical Twilight End20:35
Astronomical Twilight End21:17
Moon Illumination69.84%

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