condition	mean	min	max
4 h after light	39.8260405	36.985234	42.666847
8 h after light	44.266345	39.956745	48.575945
12 h after light	39.650069	39.343393	39.956745
4 h after dark	33.0185265	32.85835	33.178703
8 h after dark	35.981192	30.402395	41.559989
12 h after dark	74.414089	74.414089	74.414089