condition mean min max 0 h after light 17.07445 16.394 17.7549 2 h after light 10.324275 9.89345 10.7551 4 h after light 11.006340000000002 9.97108 12.0416 8 h after light 11.70645 11.5251 11.8878 12 h after light 10.7741 10.6132 10.935 2 h after dark 14.8904 13.818 15.9628 4 h after dark 16.8213 16.7468 16.8958 8 h after dark 22.6277 22.4384 22.817 12 h after dark 21.7935 19.9729 23.6141