| Geyser | 1976-01-17 |
|---|---|
| Beehive | 1425 |
| Castle | 1129, 2200 |
| Grand | 1100 ie |
| Lion | 1337 ini, 1629 |
| Old Faithful | 0911 long, 1023 short, 1127 long, 1247 long, 1400 long, 1517 long, 1628 long |
| Riverside | 2307 |
| Values for Old Faithful Area | 1976-01-17 |
|---|---|
| Astronomical Twilight Begin | 06:12 |
| Nautical Twilight Begin | 06:47 |
| Civil Twilight Begin | 07:23 |
| Sunrise | 07:55 |
| Sunset | 17:11 |
| Civil Twilight End | 17:43 |
| Nautical Twilight End | 18:19 |
| Astronomical Twilight End | 18:54 |
| Moon Illumination | 99.99% |