| Geyser | 1984-07-30 |
|---|---|
| Arsenic | 1715 |
| Bear Den | 2221:37 |
| Echinus | 1250 maj, 1405:41, 1430:44, 1456:56, 1526:02, 1603:36, 1647:27, 1735:36, 1808:03, 1902:12, 1943:50 |
| Steamvalve Spring | 1139:00, 1709:03 |
| Vixen | 2028 ie maj |
| Values for Old Faithful Area | 1984-07-30 |
|---|---|
| Astronomical Twilight Begin | 04:04 |
| Nautical Twilight Begin | 04:52 |
| Civil Twilight Begin | 05:35 |
| Sunrise | 06:08 |
| Sunset | 20:50 |
| Civil Twilight End | 21:24 |
| Nautical Twilight End | 22:06 |
| Astronomical Twilight End | 22:55 |
| Moon Illumination | 4.47% |