| Geyser | 1989-02-05 |
|---|---|
| Corporal | 0000-2359 |
| Dog's Leg Spring | 0000-2359 |
| Echinus | 1636 |
| Minute | 0000-2359, 1800 |
| Pearl | 0000-2359 |
| Porkchop | 0500-2359 |
| Veteran | 0000-2359 |
| Vixen | 0000-2359 |
| Values for Old Faithful Area | 1989-02-05 |
|---|---|
| Astronomical Twilight Begin | 05:57 |
| Nautical Twilight Begin | 06:31 |
| Civil Twilight Begin | 07:05 |
| Sunrise | 07:36 |
| Sunset | 17:38 |
| Civil Twilight End | 18:08 |
| Nautical Twilight End | 18:43 |
| Astronomical Twilight End | 19:17 |
| Moon Illumination | 1.52% |