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Geyser1976-10-09
Castle0620, 1555
Grand0704, 1445, 2207
Great Fountain0950, 1751
Old Faithful0836, 0951 short, 1038 long, 1153 short, 1243 long, 1409 short, 1503 long, 1613 long, 1728 long
Riverside0750, 1407
Values for Old Faithful Area1976-10-09
Astronomical Twilight Begin05:54
Nautical Twilight Begin06:28
Civil Twilight Begin07:02
Sunrise07:31
Sunset18:49
Civil Twilight End19:18
Nautical Twilight End19:52
Astronomical Twilight End20:25
Moon Illumination99.02%

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