condition	mean	min	max
4 h after light	13.28825	11.0804	15.4961
8 h after light	9.088635	8.9929	9.18437
12 h after light	10.17556	9.54962	10.8015
4 h after dark	23.713366666666666	22.1454	25.1409
8 h after dark	21.6152	21.0788	22.1666
12 h after dark	29.4196	25.3577	33.0957