Geyser | 1939-08-30 |
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Colloidal Pool |  1200 |
Values for Old Faithful Area | 1939-08-30 |
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Astronomical Twilight Begin | 03:57 |
Nautical Twilight Begin | 04:36 |
Civil Twilight Begin | 05:12 |
Sunrise | 05:42 |
Sunset | 19:05 |
Civil Twilight End | 19:35 |
Nautical Twilight End | 20:11 |
Astronomical Twilight End | 20:50 |
Moon Illumination | 99.89% |