| Geyser | 1975-02-06 |
|---|---|
| Beehive | 1120 |
| Castle | 1154 |
| Cliff | 1035 |
| Grand | 0910 ie |
| Old Faithful | 0859 long, 1011 long, 1120 long, 1232 long, 1350 long, 1504 short, 1549 long |
| Riverside | 0345, 1016 |
| Values for Old Faithful Area | 1975-02-06 |
|---|---|
| Astronomical Twilight Begin | 05:57 |
| Nautical Twilight Begin | 06:31 |
| Civil Twilight Begin | 07:05 |
| Sunrise | 07:36 |
| Sunset | 17:38 |
| Civil Twilight End | 18:09 |
| Nautical Twilight End | 18:43 |
| Astronomical Twilight End | 19:17 |
| Moon Illumination | 20.97% |