condition mean min max 0 h after light 16.6689 15.048 18.2898 2 h after light 10.254345 9.46039 11.0483 4 h after light 10.246970000000001 9.73274 10.7612 8 h after light 8.572804999999999 7.79308 9.35253 12 h after light 10.81325 9.8393 11.7872 2 h after dark 11.97575 11.9485 12.003 4 h after dark 11.443 10.561 12.325 8 h after dark 16.02385 15.4861 16.5616 12 h after dark 17.17165 16.6753 17.668