| Geyser | 1976-03-01 |
|---|---|
| Old Faithful | 0959 short, 1048 long, 1206 short, 1305 long, 1419 long, 1540 short |
| Values for Old Faithful Area | 1976-03-01 |
|---|---|
| Astronomical Twilight Begin | 05:23 |
| Nautical Twilight Begin | 05:56 |
| Civil Twilight Begin | 06:30 |
| Sunrise | 06:59 |
| Sunset | 18:11 |
| Civil Twilight End | 18:40 |
| Nautical Twilight End | 19:14 |
| Astronomical Twilight End | 19:47 |
| Moon Illumination | 0.09% |