| Geyser | 1971-10-24 |
|---|---|
| Beehive | 1306 |
| Castle | 0835 ie |
| Grand | 1035 |
| Little Cub | 1052 |
| Old Faithful | 0846 short, 0928 long, 1053 long, 1155 short, 1406 short, 1452 long, 1607 short |
| Values for Old Faithful Area | 1971-10-24 |
|---|---|
| Astronomical Twilight Begin | 06:12 |
| Nautical Twilight Begin | 06:46 |
| Civil Twilight Begin | 07:19 |
| Sunrise | 07:49 |
| Sunset | 18:25 |
| Civil Twilight End | 18:55 |
| Nautical Twilight End | 19:29 |
| Astronomical Twilight End | 20:02 |
| Moon Illumination | 21.04% |