| Geyser | 1976-03-11 |
|---|---|
| Old Faithful | 0841 short, 0927 long, 1059 short, 1143 long, 1306 long, 1408 short, 1521 long |
| Values for Old Faithful Area | 1976-03-11 |
|---|---|
| Astronomical Twilight Begin | 05:05 |
| Nautical Twilight Begin | 05:39 |
| Civil Twilight Begin | 06:13 |
| Sunrise | 06:41 |
| Sunset | 18:24 |
| Civil Twilight End | 18:53 |
| Nautical Twilight End | 19:27 |
| Astronomical Twilight End | 20:01 |
| Moon Illumination | 71.22% |