condition mean min max 2 h after light 5.16476 0.0 10.1676 6 h after light 2.04935 0.0 12.2961 10 h after light 0.9694883333333334 0.0 5.81693 14 h after light 2.7607583333333334 0.0 8.57498 18 h after light 1.9765833333333334 0.0 4.71642 2 h after dark 1.30981 0.0 4.4642