| Geyser | 1972-05-23 |
|---|---|
| Beehive | 1805 |
| Ebony | 1000 |
| Old Faithful | 0824 long, 0926 long, 1044 short, 1132 long, 1248 short, 1343 long, 1456 long, 1600 long, 1717 short |
| Values for Old Faithful Area | 1972-05-23 |
|---|---|
| Astronomical Twilight Begin | 03:34 |
| Nautical Twilight Begin | 04:27 |
| Civil Twilight Begin | 05:12 |
| Sunrise | 05:47 |
| Sunset | 20:52 |
| Civil Twilight End | 21:27 |
| Nautical Twilight End | 22:12 |
| Astronomical Twilight End | 23:06 |
| Moon Illumination | 79.34% |