condition mean min max 0 h after light 1.3848449999999999 1.30373 1.46596 4 h after light 1.4462700000000002 1.43273 1.45981 8 h after light 1.72481 1.6293 1.82032 4 h after dark 1.7076850000000001 1.64544 1.76993 8 h after dark 1.2719 1.17368 1.37012 12 h after dark 1.098614 0.911258 1.28597