condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.3486956 0.0725278 0.639173 12 h after light 0.6406229999999999 0.58527 0.677275 4 h after dark 0.3972866666666667 0.308416 0.4591 8 h after dark 0.10275536666666667 0.0449611 0.16198 12 h after dark 0.0955108 0.0532683 0.142436