| Geyser | 1965-08-25 |
|---|---|
| Blue | 1000 |
| Echinus | 0849, 1005, 1122, 1241, 1403, 1522, 1643 |
| Ledge | 0800-1630 |
| Little Whirligig | 1703 |
| Steamboat | 0845-1730 |
| Veteran | 1000 |
| Values for Old Faithful Area | 1965-08-25 |
|---|---|
| Astronomical Twilight Begin | 04:50 |
| Nautical Twilight Begin | 05:30 |
| Civil Twilight Begin | 06:07 |
| Sunrise | 06:37 |
| Sunset | 20:12 |
| Civil Twilight End | 20:43 |
| Nautical Twilight End | 21:20 |
| Astronomical Twilight End | 21:59 |
| Moon Illumination | 3.56% |