| Geyser | 1977-02-24 |
|---|---|
| Beehive | 1715 |
| Beehive's Indicator | 1656 |
| Castle | 1503 |
| Old Faithful | 0912 long, 1031 short, 1125 long, 1235 long, 1351 long, 1502 long, 1609 long, 1716 long, 1825 long |
| Riverside | 1623 |
| Values for Old Faithful Area | 1977-02-24 |
|---|---|
| Astronomical Twilight Begin | 05:31 |
| Nautical Twilight Begin | 06:05 |
| Civil Twilight Begin | 06:39 |
| Sunrise | 07:08 |
| Sunset | 18:04 |
| Civil Twilight End | 18:33 |
| Nautical Twilight End | 19:07 |
| Astronomical Twilight End | 19:41 |
| Moon Illumination | 33.19% |