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Geyser1981-12-11
Graceful 1800
Values for Old Faithful Area1981-12-11
Astronomical Twilight Begin06:04
Nautical Twilight Begin06:39
Civil Twilight Begin07:16
Sunrise07:49
Sunset16:43
Civil Twilight End17:16
Nautical Twilight End17:53
Astronomical Twilight End18:28
Moon Illumination99.99%

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