condition mean min max 0 h after light 10.654900000000001 10.0934 11.2164 2 h after light 9.65035 9.60868 9.69202 4 h after light 15.7209 13.8606 17.5812 8 h after light 19.9679 19.3586 20.5772 12 h after light 13.2068 13.0338 13.3798 2 h after dark 13.6611 12.0674 15.2548 4 h after dark 16.1571 15.7284 16.5858 8 h after dark 15.101600000000001 13.6548 16.5484 12 h after dark 11.53245 10.5529 12.512