| Geyser | 1975-01-03 |
|---|---|
| Beehive | 1020 |
| Castle | 1410 ie |
| Grand | 1548 |
| Lion | 1044, 1321 ie, 1557 |
| Old Faithful | 1038 long, 1157 short, 1246 long, 1357 short, 1446 long, 1606 short |
| Riverside | 1202 |
| Values for Old Faithful Area | 1975-01-03 |
|---|---|
| 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 | 66.92% |