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Geyser1999-12-19
Grand0914 E, 1917 E
Great Fountain0330 E, 1435 E
Hillside-West Thumb0957
Values for Old Faithful Area1999-12-19
Astronomical Twilight Begin06:09
Nautical Twilight Begin06:45
Civil Twilight Begin07:21
Sunrise07:55
Sunset16:45
Civil Twilight End17:18
Nautical Twilight End17:55
Astronomical Twilight End18:31
Moon Illumination83.25%

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