| Geyser | 1972-10-10 |
|---|---|
| Depression | 1707 |
| Grand | 1741 |
| Old Faithful | 0829, 0949, 1035, 1147, 1234, 1347, 1446, 1606, 1713, 1808 |
| Values for Old Faithful Area | 1972-10-10 |
|---|---|
| Astronomical Twilight Begin | 05:56 |
| Nautical Twilight Begin | 06:29 |
| Civil Twilight Begin | 07:03 |
| Sunrise | 07:32 |
| Sunset | 18:47 |
| Civil Twilight End | 19:16 |
| Nautical Twilight End | 19:50 |
| Astronomical Twilight End | 20:24 |
| Moon Illumination | 7.7% |