| Geyser | 1977-03-09 |
|---|---|
| Dome | 0000-2359 |
| Old Faithful | 0846 long, 0952 short, 1059 long, 1210 long, 1316 long, 1426 long, 1541 long, 1647 long, 1755 |
| Values for Old Faithful Area | 1977-03-09 |
|---|---|
| Astronomical Twilight Begin | 05:09 |
| Nautical Twilight Begin | 05:43 |
| Civil Twilight Begin | 06:17 |
| Sunrise | 06:45 |
| Sunset | 18:21 |
| Civil Twilight End | 18:50 |
| Nautical Twilight End | 19:24 |
| Astronomical Twilight End | 19:58 |
| Moon Illumination | 83.67% |