condition mean min max 2 h after light 0.2102525 0.0 0.41654 6 h after light 0.3477323333333333 0.0 0.582504 10 h after light 0.30538150000000003 0.0 0.545957 14 h after light 0.21222156666666667 0.0 0.440495 18 h after light 0.23512016666666666 0.0 0.468209 2 h after dark 0.1620895 0.0 0.344185