condition	mean	min	max
0 h after light	2.04304	1.76168	2.3244
4 h after light	2.20378	1.73692	2.67064
8 h after light	2.67678	2.42307	2.93049
4 h after dark	4.37635	4.34658	4.40612
8 h after dark	3.01741	2.96225	3.07257
12 h after dark	2.7168	2.64445	2.78915