condition	mean	min	max
0 h after light	11.27905	11.1166	11.4415
4 h after light	4.787215	3.56877	6.00566
8 h after light	4.27289	3.87534	4.67044
4 h after dark	14.95485	13.9091	16.0006
8 h after dark	18.90215	16.5645	21.2398
12 h after dark	12.97412	9.73294	16.2153