condition	mean	min	max
0 h after light	15.606300000000001	15.299	15.9136
4 h after light	1.83558	1.76935	1.90181
8 h after light	1.176215	1.15502	1.19741
4 h after dark	4.830825	4.01178	5.64987
8 h after dark	5.684290000000001	5.33408	6.0345
12 h after dark	11.63896	6.29972	16.9782