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Geyser1967-06-19
Blue1020, 1117, 1630
Cistern Spring 0915,  1200
Constant1508, 1527
Dark Cavern1500
Echinus0915, 1007, 1101, 1154, 1244, 1338, 1434, 1525, 1618, 1716
Harding 0800
Steamboat 0800
Values for Old Faithful Area1967-06-19
Astronomical Twilight Begin03:09
Nautical Twilight Begin04:12
Civil Twilight Begin05:01
Sunrise05:38
Sunset21:10
Civil Twilight End21:47
Nautical Twilight End22:36
Astronomical Twilight End23:39
Moon Illumination88.55%

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