| Geyser | 1972-03-01 |
|---|---|
| Old Faithful | 0905, 1006 long, 1113 long, 1227 long, 1334, 1441 short, 1532 long, 1658 |
| Values for Old Faithful Area | 1972-03-01 |
|---|---|
| Astronomical Twilight Begin | 05:23 |
| Nautical Twilight Begin | 05:57 |
| Civil Twilight Begin | 06:30 |
| Sunrise | 06:59 |
| Sunset | 18:11 |
| Civil Twilight End | 18:40 |
| Nautical Twilight End | 19:14 |
| Astronomical Twilight End | 19:47 |
| Moon Illumination | 98.66% |