| Geyser | 1974-06-16 |
|---|---|
| Africa | 0954-1005 |
| Blue | 1005 ie |
| Constant | 1515, 1625, 1750 |
| Ebony | 1800 |
| Echinus | 0934, 1107, 1240, 1535, 1704 |
| Ledge | 0000 A, 1710 |
| Valentine | 1157 |
| Values for Old Faithful Area | 1974-06-16 |
|---|---|
| Astronomical Twilight Begin | 03:09 |
| Nautical Twilight Begin | 04:12 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:37 |
| Sunset | 21:09 |
| Civil Twilight End | 21:46 |
| Nautical Twilight End | 22:35 |
| Astronomical Twilight End | 23:38 |
| Moon Illumination | 19.65% |