| Geyser | 1975-01-10 |
|---|---|
| Beehive | 1327 ie |
| Castle | 0830 ie, 1735 ie |
| Old Faithful | 0929 long, 1038 short, 1125 long, 1242 short, 1330 long, 1446 short, 1539 long, 1658 short, 1747 long |
| Vent | 1107 ie |
| Values for Old Faithful Area | 1975-01-10 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:25 |
| Sunrise | 07:58 |
| Sunset | 17:03 |
| Civil Twilight End | 17:35 |
| Nautical Twilight End | 18:12 |
| Astronomical Twilight End | 18:47 |
| Moon Illumination | 4.32% |