| Geyser | 1964-08-25 |
|---|---|
| Blue | 0800 ie |
| Echinus | 0728, 0841, 0953, 1101, 1207, 1314, 1421, 1523, 1627, 1734 |
| Steamboat | 0725-1900 |
| Sunday | 1800 |
| Values for Old Faithful Area | 1964-08-25 |
|---|---|
| Astronomical Twilight Begin | 03:51 |
| Nautical Twilight Begin | 04:30 |
| Civil Twilight Begin | 05:07 |
| Sunrise | 05:38 |
| Sunset | 19:12 |
| Civil Twilight End | 19:42 |
| Nautical Twilight End | 20:19 |
| Astronomical Twilight End | 20:59 |
| Moon Illumination | 95.33% |