| Geyser | 1987-03-30 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1987-03-30 |
|---|---|
| Astronomical Twilight Begin | 04:28 |
| Nautical Twilight Begin | 05:04 |
| Civil Twilight Begin | 05:38 |
| Sunrise | 06:08 |
| Sunset | 18:47 |
| Civil Twilight End | 19:16 |
| Nautical Twilight End | 19:51 |
| Astronomical Twilight End | 20:27 |
| Moon Illumination | 0.7% |