| Geyser | 1964-07-26 |
|---|---|
| Echinus | 0736, 0843, 0950, 1053, 1159, 1303, 1408, 1514, 1616, 1721 |
| Ledge | 1800 |
| Pinwheel | 1244, 1345, 1720 |
| Steamboat | 0720 |
| Values for Old Faithful Area | 1964-07-26 |
|---|---|
| Astronomical Twilight Begin | 02:56 |
| Nautical Twilight Begin | 03:46 |
| Civil Twilight Begin | 04:30 |
| Sunrise | 05:03 |
| Sunset | 19:55 |
| Civil Twilight End | 20:29 |
| Nautical Twilight End | 21:12 |
| Astronomical Twilight End | 22:03 |
| Moon Illumination | 97.39% |