condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.21426050000000002 0.183673 0.244848 4 h after dark 0.04321066666666667 0.0 0.129632 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0