| Geyser | 1975-03-10 |
|---|---|
| Beehive | 1535 ie |
| Dome | 0934 ie, 1100 ie |
| Old Faithful | 0854 short, 0939 long, 1056 short, 1142 long, 1253 long, 1403 long, 1507 long, 1618 long |
| Values for Old Faithful Area | 1975-03-10 |
|---|---|
| Astronomical Twilight Begin | 06:08 |
| Nautical Twilight Begin | 06:42 |
| Civil Twilight Begin | 07:16 |
| Sunrise | 07:45 |
| Sunset | 19:22 |
| Civil Twilight End | 19:51 |
| Nautical Twilight End | 20:24 |
| Astronomical Twilight End | 20:58 |
| Moon Illumination | 6.65% |