condition	mean	min	max
4 h after light	4.280285	3.73313	4.82744
8 h after light	3.78972	3.61169	3.96775
12 h after light	2.908975	2.65934	3.15861
4 h after dark	4.28946	4.13651	4.53313
8 h after dark	4.450236666666667	4.18284	4.8379
12 h after dark	3.3127966666666664	2.20931	3.95571