| Geyser | 1964-05-26 |
|---|---|
| Blue | 1210 ie |
| Steamboat | 1000 |
| Values for Old Faithful Area | 1964-05-26 |
|---|---|
| Astronomical Twilight Begin | 02:29 |
| Nautical Twilight Begin | 03:24 |
| Civil Twilight Begin | 04:10 |
| Sunrise | 04:45 |
| Sunset | 19:55 |
| Civil Twilight End | 20:30 |
| Nautical Twilight End | 21:16 |
| Astronomical Twilight End | 22:11 |
| Moon Illumination | 99.99% |