| Geyser | 1970-05-30 |
|---|---|
| Old Faithful | 0839 long, 0949 short, 1038 long, 1157 short, 1240 long, 1358 short, 1444 short, 1554 long, 1647 long, 1803 short |
| Values for Old Faithful Area | 1970-05-30 |
|---|---|
| Astronomical Twilight Begin | 03:24 |
| Nautical Twilight Begin | 04:21 |
| Civil Twilight Begin | 05:07 |
| Sunrise | 05:42 |
| Sunset | 20:58 |
| Civil Twilight End | 21:34 |
| Nautical Twilight End | 22:20 |
| Astronomical Twilight End | 23:17 |
| Moon Illumination | 25.07% |