| Geyser | 1982-02-15 |
|---|---|
| Cistern Spring | 1200 |
| Rubble | 1200 |
| Steamboat | 1200 |
| Vixen | 1200 |
| Values for Old Faithful Area | 1982-02-15 |
|---|---|
| Astronomical Twilight Begin | 05:45 |
| Nautical Twilight Begin | 06:19 |
| Civil Twilight Begin | 06:53 |
| Sunrise | 07:23 |
| Sunset | 17:51 |
| Civil Twilight End | 18:21 |
| Nautical Twilight End | 18:55 |
| Astronomical Twilight End | 19:29 |
| Moon Illumination | 55.45% |