condition	mean	min	max
0 h after light	3.8635650000000004	2.73873	4.9884
4 h after light	3.49415	3.43667	3.55163
8 h after light	1.509975	0.73897	2.28098
4 h after dark	3.18657	2.44526	3.92788
8 h after dark	5.04954	4.65899	5.44009
12 h after dark	6.88072	6.46468	7.29676