condition	mean	min	max
4 h after light	2.79582	2.26408	3.32756
8 h after light	4.374805	4.31358	4.43603
12 h after light	6.755975	6.7385	6.77345
4 h after dark	4.383575	3.58686	5.18029
8 h after dark	6.67422	4.90119	8.44725
12 h after dark	4.274115	4.16696	4.38127