Geyser | 1967-08-19 |
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Mud Spring |  1800 |
Values for Old Faithful Area | 1967-08-19 |
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Astronomical Twilight Begin | 04:39 |
Nautical Twilight Begin | 05:21 |
Civil Twilight Begin | 05:59 |
Sunrise | 06:30 |
Sunset | 20:23 |
Civil Twilight End | 20:54 |
Nautical Twilight End | 21:32 |
Astronomical Twilight End | 22:14 |
Moon Illumination | 99.23% |