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Geyser1971-01-28
Castle1600
Grand0830, 1642
Great Fountain1140
Lion0830, 1410, 1557
Old Faithful1432 short, 1521 long, 1637 short
Values for Old Faithful Area1971-01-28
Astronomical Twilight Begin06:05
Nautical Twilight Begin06:40
Civil Twilight Begin07:15
Sunrise07:46
Sunset17:26
Civil Twilight End17:57
Nautical Twilight End18:32
Astronomical Twilight End19:06
Moon Illumination2.58%

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