| Geyser | 1972-02-25 |
|---|---|
| Old Faithful | 0953 long, 1105 short, 1152 long, 1309 short, 1359 long, 1511 long, 1625 long |
| Values for Old Faithful Area | 1972-02-25 |
|---|---|
| Astronomical Twilight Begin | 05:31 |
| Nautical Twilight Begin | 06:05 |
| Civil Twilight Begin | 06:38 |
| Sunrise | 07:08 |
| Sunset | 18:04 |
| Civil Twilight End | 18:34 |
| Nautical Twilight End | 19:07 |
| Astronomical Twilight End | 19:41 |
| Moon Illumination | 85.21% |