| Geyser | 1974-09-16 |
|---|---|
| Constant | 1126, 1912 |
| Echinus | 0823, 0938, 1055, 1218, 1458, 1622 |
| Little Whirligig | 1026, 1155, 1426 ie, 1640 ie |
| Values for Old Faithful Area | 1974-09-16 |
|---|---|
| Astronomical Twilight Begin | 05:24 |
| Nautical Twilight Begin | 05:59 |
| Civil Twilight Begin | 06:34 |
| Sunrise | 07:03 |
| Sunset | 19:33 |
| Civil Twilight End | 20:02 |
| Nautical Twilight End | 20:36 |
| Astronomical Twilight End | 21:12 |
| Moon Illumination | 0.03% |