| Geyser | 1973-01-25 |
|---|---|
| Beehive | 0850 |
| Depression | 1030 |
| Old Faithful | 0848 long, 1001 long, 1118 long, 1230 short, 1311 long, 1436 short, 1519 long, 1630 long |
| Riverside | 1230 |
| Values for Old Faithful Area | 1973-01-25 |
|---|---|
| Astronomical Twilight Begin | 06:07 |
| Nautical Twilight Begin | 06:42 |
| Civil Twilight Begin | 07:17 |
| Sunrise | 07:48 |
| Sunset | 17:22 |
| Civil Twilight End | 17:54 |
| Nautical Twilight End | 18:29 |
| Astronomical Twilight End | 19:03 |
| Moon Illumination | 59.39% |