condition	mean	min	max
4 h after light	2.160285	1.55078	2.76979
8 h after light	1.34395	1.00515	1.68275
12 h after light	3.316335	3.25674	3.37593
4 h after dark	5.2734000000000005	4.10885	6.43795
8 h after dark	6.156395	6.12917	6.18362
12 h after dark	4.77203	3.70559	5.83847