| Geyser | 1940-06-13 |
|---|---|
| King | 0800, 1400, 2000 |
| Values for Old Faithful Area | 1940-06-13 |
|---|---|
| Astronomical Twilight Begin | 02:10 |
| Nautical Twilight Begin | 03:12 |
| Civil Twilight Begin | 04:01 |
| Sunrise | 04:37 |
| Sunset | 20:08 |
| Civil Twilight End | 20:45 |
| Nautical Twilight End | 21:33 |
| Astronomical Twilight End | 22:36 |
| Moon Illumination | 52.34% |