Geyser | 1931-10-25 |
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Emerald Spring |  1200 |
Values for Old Faithful Area | 1931-10-25 |
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Astronomical Twilight Begin | 05:13 |
Nautical Twilight Begin | 05:46 |
Civil Twilight Begin | 06:20 |
Sunrise | 06:50 |
Sunset | 17:24 |
Civil Twilight End | 17:54 |
Nautical Twilight End | 18:28 |
Astronomical Twilight End | 19:01 |
Moon Illumination | 98.54% |