| Geyser | 1972-02-09 |
|---|---|
| Old Faithful | 1017 short, 1107 long, 1220 long, 1327 short, 1424 long, 1534 short, 1637 |
| Values for Old Faithful Area | 1972-02-09 |
|---|---|
| Astronomical Twilight Begin | 05:53 |
| Nautical Twilight Begin | 06:27 |
| Civil Twilight Begin | 07:02 |
| Sunrise | 07:32 |
| Sunset | 17:42 |
| Civil Twilight End | 18:12 |
| Nautical Twilight End | 18:47 |
| Astronomical Twilight End | 19:21 |
| Moon Illumination | 32.85% |