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Geyser1964-07-07
Echinus0644, 0812, 0942, 1112, 1242, 1410, 1543, 1713
Steamboat 0730
Valentine0650 A, 1945 A
Values for Old Faithful Area1964-07-07
Astronomical Twilight Begin02:23
Nautical Twilight Begin03:23
Civil Twilight Begin04:10
Sunrise04:46
Sunset20:09
Civil Twilight End20:45
Nautical Twilight End21:33
Astronomical Twilight End22:32
Moon Illumination7.14%

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