condition mean min max 4 h after light 5.301914999999999 5.11656 5.48727 8 h after light 17.06075 16.464 17.6575 12 h after light 25.43745 24.4884 26.3865 4 h after dark 23.918166666666664 23.517 24.1484 8 h after dark 12.550566666666667 12.0672 13.3601 12 h after dark 8.75817 8.25072 9.20985