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Geyser1991-07-23
Echinus0830, 0934, 1035, 1145, 1243, 1450
Emerald Spring 1200
Ledge Spring1140
Steamboat 1200
Values for Old Faithful Area1991-07-23
Astronomical Twilight Begin03:49
Nautical Twilight Begin04:41
Civil Twilight Begin05:25
Sunrise06:00
Sunset20:59
Civil Twilight End21:33
Nautical Twilight End22:17
Astronomical Twilight End23:09
Moon Illumination89.19%

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