| Geyser | 1939-10-13 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1939-10-13 |
|---|---|
| Astronomical Twilight Begin | 04:58 |
| Nautical Twilight Begin | 05:32 |
| Civil Twilight Begin | 06:06 |
| Sunrise | 06:35 |
| Sunset | 17:44 |
| Civil Twilight End | 18:13 |
| Nautical Twilight End | 18:47 |
| Astronomical Twilight End | 19:20 |
| Moon Illumination | 0.27% |