| Geyser | 1975-02-21 |
|---|---|
| Beehive | 1451 ie |
| Lion | 1344 ie |
| Old Faithful | 0903 short, 1001 long, 1121 short, 1208 long, 1323 short, 1413 long, 1538 short |
| Values for Old Faithful Area | 1975-02-21 |
|---|---|
| Astronomical Twilight Begin | 05:37 |
| Nautical Twilight Begin | 06:11 |
| Civil Twilight Begin | 06:44 |
| Sunrise | 07:14 |
| Sunset | 17:59 |
| Civil Twilight End | 18:29 |
| Nautical Twilight End | 19:03 |
| Astronomical Twilight End | 19:36 |
| Moon Illumination | 70.76% |