| Geyser | 1964-07-22 |
|---|---|
| Echinus | 0712 A, 0810, 0927, 1037, 1150, 1305, 1405, 1510, 1614, 1721 |
| Pinwheel | 1132, 1525 |
| Steamboat | 1730 |
| Values for Old Faithful Area | 1964-07-22 |
|---|---|
| Astronomical Twilight Begin | 02:48 |
| Nautical Twilight Begin | 03:41 |
| Civil Twilight Begin | 04:25 |
| Sunrise | 04:59 |
| Sunset | 19:59 |
| Civil Twilight End | 20:34 |
| Nautical Twilight End | 21:18 |
| Astronomical Twilight End | 22:10 |
| Moon Illumination | 94.82% |