condition	mean	min	max
4 h after light	3.106555	2.461	3.75211
8 h after light	2.62478	2.51875	2.73081
12 h after light	3.598345	3.52397	3.67272
4 h after dark	4.813015	3.90581	5.72022
8 h after dark	3.3954	3.29379	3.49701
12 h after dark	3.553715	3.3377	3.76973