| Geyser | 1990-04-18 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1990-04-18 |
|---|---|
| Astronomical Twilight Begin | 04:46 |
| Nautical Twilight Begin | 05:26 |
| Civil Twilight Begin | 06:03 |
| Sunrise | 06:33 |
| Sunset | 20:11 |
| Civil Twilight End | 20:41 |
| Nautical Twilight End | 21:19 |
| Astronomical Twilight End | 21:59 |
| Moon Illumination | 50.45% |