| Geyser | 1987-03-16 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1987-03-16 |
|---|---|
| Astronomical Twilight Begin | 04:56 |
| Nautical Twilight Begin | 05:31 |
| Civil Twilight Begin | 06:05 |
| Sunrise | 06:34 |
| Sunset | 18:30 |
| Civil Twilight End | 18:58 |
| Nautical Twilight End | 19:32 |
| Astronomical Twilight End | 20:07 |
| Moon Illumination | 99.41% |