| Geyser | 1978-09-10 |
|---|---|
| Constant | 1349 |
| Dabble | 1015 ie |
| Echinus | 1028, 1226 |
| Fearless | 1200 |
| Minute | 1200 |
| Monarch | 1200 |
| Morning | 0725 ie, 1536 |
| Palpitator Spring | 1200 |
| Whirligig | 1350, 1431 |
| Values for Old Faithful Area | 1978-09-10 |
|---|---|
| Astronomical Twilight Begin | 05:15 |
| Nautical Twilight Begin | 05:52 |
| Civil Twilight Begin | 06:27 |
| Sunrise | 06:56 |
| Sunset | 19:44 |
| Civil Twilight End | 20:13 |
| Nautical Twilight End | 20:48 |
| Astronomical Twilight End | 21:25 |
| Moon Illumination | 51.31% |