| Geyser | 1972-10-06 |
|---|---|
| Beehive | 1518 |
| Grand | 1454 |
| Lion | 1301 |
| Old Faithful | 0830, 0946, 1030, 1150, 1232, 1347, 1455, 1609, 1707 |
| Riverside | 1440 |
| Values for Old Faithful Area | 1972-10-06 |
|---|---|
| Astronomical Twilight Begin | 05:51 |
| Nautical Twilight Begin | 06:25 |
| Civil Twilight Begin | 06:58 |
| Sunrise | 07:27 |
| Sunset | 18:54 |
| Civil Twilight End | 19:23 |
| Nautical Twilight End | 19:57 |
| Astronomical Twilight End | 20:31 |
| Moon Illumination | 1.15% |