condition	mean	min	max
4 h after light	67.32335	66.7825	67.8642
8 h after light	51.64145	49.5634	53.7195
12 h after light	63.39775	63.3391	63.4564
4 h after dark	79.557	77.0488	82.0652
8 h after dark	91.84255	91.1361	92.549
12 h after dark	84.82235	81.5168	88.1279