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Beehive1739 ie
Depression1541 ie
Dome 0000-1200
Grand1700 ie
Old Faithful0800 long, 0910 long, 1021 short, 1104 long, 1221 short, 1306 long, 1424 short, 1509 long, 1624 short
Other Geyser 0000-2359
Values for Old Faithful Area1975-10-30
Astronomical Twilight Begin05:20
Nautical Twilight Begin05:54
Civil Twilight Begin06:28
Civil Twilight End17:45
Nautical Twilight End18:19
Astronomical Twilight End18:53
Moon Illumination24.23%

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