| Geyser | 1973-01-03 |
|---|---|
| Old Faithful | 0829 long, 0941 long, 1048 short, 1136 long, 1255 short, 1348 long, 1454 long, 1604 short, 1717 |
| Values for Old Faithful Area | 1973-01-03 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:50 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 16:56 |
| Civil Twilight End | 17:29 |
| Nautical Twilight End | 18:05 |
| Astronomical Twilight End | 18:41 |
| Moon Illumination | 1.74% |