| Geyser | 1976-12-22 |
|---|---|
| Beehive | 1825 |
| Castle | 1050 ie, 1940 ie |
| Depression | 1452 |
| Lion | 1315 ie, 1422, 1555 |
| Old Faithful | 0911 long, 1035 short, 1119 long, 1239 short, 1328 long, 1442 long, 1604 long |
| Plume | 1422, 1449 |
| Values for Old Faithful Area | 1976-12-22 |
|---|---|
| Astronomical Twilight Begin | 06:11 |
| Nautical Twilight Begin | 06:46 |
| Civil Twilight Begin | 07:23 |
| Sunrise | 07:57 |
| Sunset | 16:47 |
| Civil Twilight End | 17:20 |
| Nautical Twilight End | 17:57 |
| Astronomical Twilight End | 18:32 |
| Moon Illumination | 2.08% |