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Geyser1999-02-25
Great Fountain0713 E, 1938 E
Twin1400 A
Values for Old Faithful Area1999-02-25
Astronomical Twilight Begin05:30
Nautical Twilight Begin06:04
Civil Twilight Begin06:38
Sunrise07:07
Sunset18:05
Civil Twilight End18:34
Nautical Twilight End19:08
Astronomical Twilight End19:42
Moon Illumination73.6%

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