condition mean min max 0 h after light 2.14566 2.10676 2.18456 2 h after light 15.21315 13.6938 16.7325 4 h after light 16.289450000000002 15.7926 16.7863 8 h after light 18.78765 18.4246 19.1507 12 h after light 25.05695 22.9623 27.1516 2 h after dark 3.0123800000000003 2.76444 3.26032 4 h after dark 1.1604700000000001 1.04982 1.27112 8 h after dark 1.60524 1.43332 1.77716 12 h after dark 2.330285 2.13758 2.52299