condition	mean	min	max
4 h after light	2.486365	2.22981	2.74292
8 h after light	3.47907	3.26321	3.69493
12 h after light	3.32202	3.07968	3.56436
4 h after dark	5.223555	5.04514	5.40197
8 h after dark	2.810065	2.61226	3.00787
12 h after dark	3.576885	3.49708	3.65669