| Geyser | 1976-02-27 |
|---|---|
| Beehive | 1852 |
| Castle | 1046 ie |
| Old Faithful | 0940 long, 1053 short, 1148 long, 1309 short, 1355 long, 1508 short, 1625 long, 1853 |
| Values for Old Faithful Area | 1976-02-27 |
|---|---|
| Astronomical Twilight Begin | 05:28 |
| Nautical Twilight Begin | 06:01 |
| Civil Twilight Begin | 06:35 |
| Sunrise | 07:04 |
| Sunset | 18:07 |
| Civil Twilight End | 18:36 |
| Nautical Twilight End | 19:10 |
| Astronomical Twilight End | 19:44 |
| Moon Illumination | 6.86% |