Geyser | 1939-08-31 |
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Colloidal Pool |  1200 |
Values for Old Faithful Area | 1939-08-31 |
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Astronomical Twilight Begin | 03:59 |
Nautical Twilight Begin | 04:37 |
Civil Twilight Begin | 05:14 |
Sunrise | 05:44 |
Sunset | 19:03 |
Civil Twilight End | 19:33 |
Nautical Twilight End | 20:09 |
Astronomical Twilight End | 20:48 |
Moon Illumination | 98.33% |