condition mean min max 0 h after light 13.52145 12.139 14.9039 2 h after light 17.91265 17.2327 18.5926 4 h after light 17.1126 16.8192 17.406 8 h after light 13.69715 11.2931 16.1012 12 h after light 18.26625 18.0936 18.4389 2 h after dark 15.84695 15.2719 16.422 4 h after dark 13.109449999999999 13.009 13.2099 8 h after dark 16.51555 13.8792 19.1519 12 h after dark 15.03115 13.1719 16.8904