| Geyser | 1976-04-22 |
|---|---|
| Beehive | 1434 |
| Beehive's Indicator | 0740 ie, 1116 ie, 1420 |
| Castle | 0407, 1311, 2215 |
| Dome | 0000-2359 |
| Riverside | 0722 ie, 1256, 1828 |
| Values for Old Faithful Area | 1976-04-22 |
|---|---|
| Astronomical Twilight Begin | 03:36 |
| Nautical Twilight Begin | 04:17 |
| Civil Twilight Begin | 04:55 |
| Sunrise | 05:26 |
| Sunset | 19:16 |
| Civil Twilight End | 19:47 |
| Nautical Twilight End | 20:25 |
| Astronomical Twilight End | 21:06 |
| Moon Illumination | 40.11% |