condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.08710216666666666 0.0 0.179955 12 h after light 0.03811475 0.0 0.152459 3 h after dark 0.03918066666666666 0.0 0.117542 6 h after dark 0.04456833333333333 0.0 0.133705 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0