| Geyser | 1970-02-13 |
|---|---|
| Giantess | 1105 |
| Values for Old Faithful Area | 1970-02-13 |
|---|---|
| Astronomical Twilight Begin | 05:48 |
| Nautical Twilight Begin | 06:22 |
| Civil Twilight Begin | 06:56 |
| Sunrise | 07:26 |
| Sunset | 17:49 |
| Civil Twilight End | 18:18 |
| Nautical Twilight End | 18:53 |
| Astronomical Twilight End | 19:26 |
| Moon Illumination | 51.15% |