condition mean min max 0 h after light 9.966629999999999 9.71206 10.2212 2 h after light 3.872615 3.82446 3.92077 4 h after light 3.83294 3.82944 3.83644 8 h after light 4.03298 3.36827 4.69769 12 h after light 6.201169999999999 6.11466 6.28768 2 h after dark 9.81339 9.32958 10.2972 4 h after dark 8.63373 7.94133 9.32613 8 h after dark 12.7571 12.2282 13.286 12 h after dark 11.35015 10.8632 11.8371