| Geyser | 1964-08-26 |
|---|---|
| Bear Den | 1800 ? |
| Ebony | 1800 ? |
| Echinus | 0854, 1005, 1121, 1220, 1336, 1530 |
| Steamboat | 1353 |
| Sunday | 1800 |
| Valentine | 0000 A |
| Veteran | 1120 A |
| Values for Old Faithful Area | 1964-08-26 |
|---|---|
| Astronomical Twilight Begin | 03:52 |
| Nautical Twilight Begin | 04:32 |
| Civil Twilight Begin | 05:09 |
| Sunrise | 05:39 |
| Sunset | 19:10 |
| Civil Twilight End | 19:40 |
| Nautical Twilight End | 20:17 |
| Astronomical Twilight End | 20:57 |
| Moon Illumination | 89.74% |