| Geyser | 1973-01-02 |
|---|---|
| Beehive | 0905 |
| Grand | 1426 |
| Lion | 1048, 1219, 1418, 1535 |
| North Goggle | 1649 |
| Old Faithful | 0829 short, 0929 long, 1039 long, 1201 long, 1301 long, 1413 short, 1507 long, 1613 short |
| Values for Old Faithful Area | 1973-01-02 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:50 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 16:55 |
| Civil Twilight End | 17:28 |
| Nautical Twilight End | 18:05 |
| Astronomical Twilight End | 18:40 |
| Moon Illumination | 5.1% |