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Geyser1996-04-15
Great Fountain1920 ie
Grotto1034 ie
Little Squirt1934 ie
Plume1938
Values for Old Faithful Area1996-04-15
Astronomical Twilight Begin04:51
Nautical Twilight Begin05:30
Civil Twilight Begin06:07
Sunrise06:38
Sunset20:08
Civil Twilight End20:38
Nautical Twilight End21:15
Astronomical Twilight End21:54
Moon Illumination8.64%

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