| Geyser | 1974-06-25 |
|---|---|
| Bear Den | 1216, 1530 |
| Constant | 0908, 1040, 1246, 1254, 1428, 1525, 1629, 1730, 1744 |
| Crystal Spring | 1612, 1616:15, 1619, 1621:30, 1624, 1626:40, 1629:15, 1632, 1637:10, 1640, 1646:33, 1649:43, 1653:20, 1655:55, 1659 |
| Echinus | 0923, 1043, 1209, 1329, 1447, 1607, 1731 |
| Ledge | 1143 |
| Little Whirligig | 0904 ie, 0939, 1123, 1330, 1509, 1642 |
| Valentine | 0936 |
| Whirligig | 0910 A, 1050, 1250, 1434, 1607, 1754 |
| Values for Old Faithful Area | 1974-06-25 |
|---|---|
| Astronomical Twilight Begin | 03:11 |
| Nautical Twilight Begin | 04:14 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:39 |
| Sunset | 21:12 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 32.82% |