| Geyser | 1979-09-29 |
|---|---|
| Bear Den | 1021 |
| Echinus | 1002, 1055, 1532 maj, 1605 |
| Little Whirligig | 1645:45 |
| Splutter Pot | 1647:10 |
| Whirligig | 1642, 1800 |
| Values for Old Faithful Area | 1979-09-29 |
|---|---|
| Astronomical Twilight Begin | 05:41 |
| Nautical Twilight Begin | 06:15 |
| Civil Twilight Begin | 06:49 |
| Sunrise | 07:18 |
| Sunset | 19:09 |
| Civil Twilight End | 19:37 |
| Nautical Twilight End | 20:11 |
| Astronomical Twilight End | 20:46 |
| Moon Illumination | 50.75% |