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Geyser1973-03-31
Bear Den0853, 1005, 1719, 1832
Constant 1800
Guardian 1800
Ledge 1800, 1830
Valentine0946,  1800
Values for Old Faithful Area1973-03-31
Astronomical Twilight Begin04:25
Nautical Twilight Begin05:01
Civil Twilight Begin05:36
Sunrise06:05
Sunset18:49
Civil Twilight End19:18
Nautical Twilight End19:53
Astronomical Twilight End20:29
Moon Illumination12.24%

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