condition	mean	min	max
4 h after light	3.8488146666666667	3.6790519999999995	4.001635
8 h after light	2.882084	2.288549	3.216312
12 h after light	1.826926	1.654425	1.924638
16 h after light	3.7081646666666663	3.054203	4.437119999999999
4 h after dark	3.289844	2.9734380000000002	3.585836
8 h after dark	3.4811870000000003	2.379969	4.134226