| Geyser | 1972-02-06 |
|---|---|
| Old Faithful | 0917, 1023 long, 1130 short, 1238, 1331 long, 1454 short, 1536 long |
| Values for Old Faithful Area | 1972-02-06 |
|---|---|
| Astronomical Twilight Begin | 05:57 |
| Nautical Twilight Begin | 06:31 |
| Civil Twilight Begin | 07:05 |
| Sunrise | 07:36 |
| Sunset | 17:38 |
| Civil Twilight End | 18:08 |
| Nautical Twilight End | 18:43 |
| Astronomical Twilight End | 19:17 |
| Moon Illumination | 61.02% |