| Geyser | 1972-02-29 |
|---|---|
| Old Faithful | 0942 long, 1055 short, 1157 long, 1306 long, 1412 long, 1533 short |
| Values for Old Faithful Area | 1972-02-29 |
|---|---|
| Astronomical Twilight Begin | 05:24 |
| Nautical Twilight Begin | 05:58 |
| Civil Twilight Begin | 06:32 |
| Sunrise | 07:01 |
| Sunset | 18:10 |
| Civil Twilight End | 18:39 |
| Nautical Twilight End | 19:12 |
| Astronomical Twilight End | 19:46 |
| Moon Illumination | 99.97% |