| Geyser | 1990-04-15 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1990-04-15 |
|---|---|
| Astronomical Twilight Begin | 04:52 |
| Nautical Twilight Begin | 05:32 |
| Civil Twilight Begin | 06:08 |
| Sunrise | 06:39 |
| Sunset | 20:07 |
| Civil Twilight End | 20:37 |
| Nautical Twilight End | 21:14 |
| Astronomical Twilight End | 21:53 |
| Moon Illumination | 78.04% |