| Geyser | 1975-03-16 |
|---|---|
| Old Faithful | 0803 long, 0916 long, 1022 short, 1111 long, 1229 long, 1331 long, 1446 long, 1556 long, 1713 short, 1800 long |
| Values for Old Faithful Area | 1975-03-16 |
|---|---|
| Astronomical Twilight Begin | 05:56 |
| Nautical Twilight Begin | 06:31 |
| Civil Twilight Begin | 07:05 |
| Sunrise | 07:34 |
| Sunset | 19:29 |
| Civil Twilight End | 19:58 |
| Nautical Twilight End | 20:32 |
| Astronomical Twilight End | 21:07 |
| Moon Illumination | 9.57% |