condition	mean	min	max
0 h after light	5.12124	4.53915	5.70333
4 h after light	2.928105	2.82207	3.03414
8 h after light	4.245725	4.229	4.26245
4 h after dark	4.354235	3.85354	4.85493
8 h after dark	4.376635	4.01587	4.7374
12 h after dark	4.983085	4.43431	5.53186