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Geyser1991-09-02
Echinus0930, 1025, 1123, 1218, 1314, 1410
Whirligig1105, 1227, 1512
Values for Old Faithful Area1991-09-02
Astronomical Twilight Begin05:03
Nautical Twilight Begin05:41
Civil Twilight Begin06:17
Sunrise06:46
Sunset19:59
Civil Twilight End20:28
Nautical Twilight End21:04
Astronomical Twilight End21:42
Moon Illumination44.6%

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