| Geyser | 1961-10-04 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1961-10-04 |
|---|---|
| Astronomical Twilight Begin | 04:48 |
| Nautical Twilight Begin | 05:22 |
| Civil Twilight Begin | 05:55 |
| Sunrise | 06:24 |
| Sunset | 17:59 |
| Civil Twilight End | 18:28 |
| Nautical Twilight End | 19:01 |
| Astronomical Twilight End | 19:35 |
| Moon Illumination | 25.4% |