condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.01721783333333333 0.0 0.103307 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.015457 0.0 0.092742 2 h after dark 0.0 0.0 0.0