| Geyser | 1971-03-11 |
|---|---|
| Depression | 1100 |
| Lion | 1045, 1450 |
| Old Faithful | 1109 long, 1439 long |
| Riverside | 1420 |
| Values for Old Faithful Area | 1971-03-11 |
|---|---|
| Astronomical Twilight Begin | 05:06 |
| Nautical Twilight Begin | 05:40 |
| Civil Twilight Begin | 06:14 |
| Sunrise | 06:43 |
| Sunset | 18:23 |
| Civil Twilight End | 18:52 |
| Nautical Twilight End | 19:26 |
| Astronomical Twilight End | 20:00 |
| Moon Illumination | 99.42% |