| Geyser | 1972-01-09 |
|---|---|
| Old Faithful | 1010, 1121 long, 1234 short, 1334 short, 1441 short, 1546 short, 1655 |
| Values for Old Faithful Area | 1972-01-09 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:58 |
| Sunset | 17:01 |
| Civil Twilight End | 17:34 |
| Nautical Twilight End | 18:10 |
| Astronomical Twilight End | 18:45 |
| Moon Illumination | 43.17% |