| Geyser | 1984-03-13 |
|---|---|
| Inverted | 1800 |
| North Chain Lake | 1029 |
| Values for Old Faithful Area | 1984-03-13 |
|---|---|
| Astronomical Twilight Begin | 05:01 |
| Nautical Twilight Begin | 05:35 |
| Civil Twilight Begin | 06:09 |
| Sunrise | 06:38 |
| Sunset | 18:27 |
| Civil Twilight End | 18:56 |
| Nautical Twilight End | 19:29 |
| Astronomical Twilight End | 20:04 |
| Moon Illumination | 76.71% |