condition	mean	min	max
0 h after light	2.4400399999999998	2.19549	2.68459
4 h after light	2.11966	2.06971	2.16961
8 h after light	2.3359550000000002	2.06771	2.6042
4 h after dark	2.5222800000000003	2.16975	2.87481
8 h after dark	2.01003	1.75048	2.26958
12 h after dark	2.330425	2.06704	2.59381