condition	mean	min	max
0 h after light	2.184485	1.94369	2.42528
4 h after light	2.514895	2.31149	2.7183
8 h after light	1.821545	1.56357	2.07952
4 h after dark	3.381785	3.01712	3.74645
8 h after dark	3.318995	3.10518	3.53281
12 h after dark	2.47814	2.21132	2.74496