| Geyser | 1976-02-29 |
|---|---|
| Dome | 0000-2359 |
| Old Faithful | 0921 long, 1038 short, 1135 long, 1250 long, 1408 long, 1518 long |
| Riverside | 1255 |
| Values for Old Faithful Area | 1976-02-29 |
|---|---|
| Astronomical Twilight Begin | 05:24 |
| Nautical Twilight Begin | 05:58 |
| Civil Twilight Begin | 06:32 |
| Sunrise | 07:01 |
| Sunset | 18:10 |
| Civil Twilight End | 18:39 |
| Nautical Twilight End | 19:12 |
| Astronomical Twilight End | 19:46 |
| Moon Illumination | 0.45% |