| Geyser | 1976-01-18 |
|---|---|
| Beehive | 1130 |
| Castle | 1400 |
| Depression | 0951 ie |
| Grand | 1526 |
| Old Faithful | 0831 long, 0942 short, 1032 long, 1144 long, 1258 long, 1401 long, 1512 short, 1607 long |
| Values for Old Faithful Area | 1976-01-18 |
|---|---|
| Astronomical Twilight Begin | 06:12 |
| Nautical Twilight Begin | 06:46 |
| Civil Twilight Begin | 07:22 |
| Sunrise | 07:54 |
| Sunset | 17:12 |
| Civil Twilight End | 17:44 |
| Nautical Twilight End | 18:20 |
| Astronomical Twilight End | 18:55 |
| Moon Illumination | 98.45% |