| Geyser | 1964-03-28 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1964-03-28 |
|---|---|
| Astronomical Twilight Begin | 04:31 |
| Nautical Twilight Begin | 05:07 |
| Civil Twilight Begin | 05:41 |
| Sunrise | 06:10 |
| Sunset | 18:45 |
| Civil Twilight End | 19:14 |
| Nautical Twilight End | 19:49 |
| Astronomical Twilight End | 20:25 |
| Moon Illumination | 99.97% |