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Geyser1961-06-28
Bear Den 1200
Blue 1200
Colloidal Pool 1200
Constant 1200
Ebony 1200
Echinus 1200
Ledge 1200
Little Whirligig 1200
Pinwheel 1200
Steamboat 1200
Valentine 1200
Vixen 1200
Whirligig 1200
Values for Old Faithful Area1961-06-28
Astronomical Twilight Begin02:13
Nautical Twilight Begin03:15
Civil Twilight Begin04:04
Sunrise04:40
Sunset20:12
Civil Twilight End20:48
Nautical Twilight End21:37
Astronomical Twilight End22:39
Moon Illumination99.91%

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