| Geyser | 1977-01-01 |
|---|---|
| Beehive | 1300 |
| Castle | 1613 ie |
| Depression | 1625 |
| Old Faithful | 0850 long, 1000 short, 1106 long, 1226, 1337 long, 1458 long, 1607 short, 1654 long, 1808 long |
| Plume | 1549, 1616, 1642, 1708 |
| Values for Old Faithful Area | 1977-01-01 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 16:54 |
| Civil Twilight End | 17:27 |
| Nautical Twilight End | 18:04 |
| Astronomical Twilight End | 18:39 |
| Moon Illumination | 84.04% |