condition mean min max 4 h after light 482.05481 450.277074 513.832546 8 h after light 450.4641455 395.619311 505.30898 12 h after light 456.4290465 362.02471 550.833383 4 h after dark 569.5967105 474.539749 664.653672 8 h after dark 664.7677639999999 603.240371 726.295157 12 h after dark 626.49219 626.49219 626.49219