| Geyser | 1977-01-09 |
|---|---|
| Depression | 1316 |
| Old Faithful | 0852 long, 1004 short, 1044 long, 1211, 1318 short, 1419 long, 1540 short, 1640 long |
| Values for Old Faithful Area | 1977-01-09 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:25 |
| Sunrise | 07:58 |
| Sunset | 17:02 |
| Civil Twilight End | 17:35 |
| Nautical Twilight End | 18:11 |
| Astronomical Twilight End | 18:46 |
| Moon Illumination | 85.24% |