condition mean min max 3 h after light 1.7749433333333333 0.0 2.84847 6 h after light 1.35053 0.0 2.41326 9 h after light 2.5757493333333334 0.642308 4.04248 12 h after light 1.34433625 0.505649 2.59713 3 h after dark 0.0 0.0 0.0 6 h after dark 1.0714763333333335 0.0 2.32663 9 h after dark 1.1900623333333333 0.0 2.75461 12 h after dark 0.548005 0.0 1.09601