| Geyser | 1971-01-08 |
|---|---|
| Depression | 1103 |
| Grand | 1435 |
| Little Cub | 0000-2359 |
| Old Faithful | 1028 ie, 1133 short, 1223 |
| Plume | 1105, 1133, 1201, 1228 |
| Values for Old Faithful Area | 1971-01-08 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 17:00 |
| Civil Twilight End | 17:33 |
| Nautical Twilight End | 18:10 |
| Astronomical Twilight End | 18:45 |
| Moon Illumination | 89.07% |