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Geyser1999-11-21
Grand0117 E, 1114 E, 2302 E
Great Fountain0242 E, 1312 E
Values for Old Faithful Area1999-11-21
Astronomical Twilight Begin05:45
Nautical Twilight Begin06:19
Civil Twilight Begin06:55
Sunrise07:27
Sunset16:51
Civil Twilight End17:22
Nautical Twilight End17:58
Astronomical Twilight End18:33
Moon Illumination94.07%

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