| Geyser | 1970-05-16 |
|---|---|
| Castle | 1145 |
| Old Faithful | 0848 short, 0945 long, 1100 short, 1142 long, 1302 short, 1346 long, 1458 long, 1606 long |
| Riverside | 1342 |
| White Dome | 1541 |
| Values for Old Faithful Area | 1970-05-16 |
|---|---|
| Astronomical Twilight Begin | 03:47 |
| Nautical Twilight Begin | 04:37 |
| Civil Twilight Begin | 05:20 |
| Sunrise | 05:54 |
| Sunset | 20:44 |
| Civil Twilight End | 21:18 |
| Nautical Twilight End | 22:01 |
| Astronomical Twilight End | 22:51 |
| Moon Illumination | 75.69% |