condition mean min max 0 h after light 3.5199800000000003 2.90185 4.13811 4 h after light 5.15961 3.03082 7.2884 8 h after light 2.899625 2.40706 3.39219 4 h after dark 4.3916249999999994 4.1385 4.64475 8 h after dark 4.913690000000001 4.30841 5.51897 12 h after dark 4.2761700000000005 2.89279 5.65955