condition	mean	min	max
4 h after light	2.3074950000000003	2.26152	2.35347
8 h after light	4.28505	4.20084	4.36926
12 h after light	8.282595	7.805	8.76019
4 h after dark	9.294885	8.95318	9.63659
8 h after dark	5.92352	5.25949	6.58755
12 h after dark	3.479265	3.15384	3.80469