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Geyser1971-10-12
Beehive1636
Castle1520
Grand1331
Old Faithful1037 long, 1153 short, 1242 long, 1352 short, 1443 long, 1555 short, 1640 long
Values for Old Faithful Area1971-10-12
Astronomical Twilight Begin05:57
Nautical Twilight Begin06:31
Civil Twilight Begin07:05
Sunrise07:34
Sunset18:45
Civil Twilight End19:14
Nautical Twilight End19:48
Astronomical Twilight End20:22
Moon Illumination39.79%

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