condition	mean	min	max
0 h after light	3.935605	3.71806	4.15315
4 h after light	2.0757250000000003	2.06678	2.08467
8 h after light	1.646395	1.6069	1.68589
4 h after dark	4.64085	4.5033	4.7784
8 h after dark	4.73939	3.99923	5.47955
12 h after dark	5.048995	3.61035	6.48764