| Geyser | 1976-01-16 |
|---|---|
| Beehive | 1616 |
| Castle | 0905 ie |
| Grand | 0915 ie, 1413 ie |
| Old Faithful | 0905 short, 0950 long, 1120 long, 1223 short, 1313 long, 1439 short, 1521 long, 1641 short |
| Values for Old Faithful Area | 1976-01-16 |
|---|---|
| Astronomical Twilight Begin | 06:12 |
| Nautical Twilight Begin | 06:47 |
| Civil Twilight Begin | 07:23 |
| Sunrise | 07:55 |
| Sunset | 17:10 |
| Civil Twilight End | 17:42 |
| Nautical Twilight End | 18:18 |
| Astronomical Twilight End | 18:53 |
| Moon Illumination | 98.96% |