| Geyser | 1976-02-11 |
|---|---|
| Beehive | 1035 |
| Castle | 1236 |
| Grand | 1235 ie |
| Lion | 1023, 1039, 1202, 1320, 1447 |
| Old Faithful | 0923 long, 1034 long, 1156 long, 1308 long, 1417 long, 1537 long, 1644 long |
| Values for Old Faithful Area | 1976-02-11 |
|---|---|
| Astronomical Twilight Begin | 05:51 |
| Nautical Twilight Begin | 06:25 |
| Civil Twilight Begin | 06:59 |
| Sunrise | 07:29 |
| Sunset | 17:45 |
| Civil Twilight End | 18:15 |
| Nautical Twilight End | 18:49 |
| Astronomical Twilight End | 19:23 |
| Moon Illumination | 77.22% |