condition	mean	min	max
4 h after light	9.707650000000001	8.9478	10.4675
8 h after light	5.11424	5.01352	5.21496
12 h after light	4.11105	3.42951	4.79259
4 h after dark	6.25229	5.29792	7.20666
8 h after dark	5.366215	5.25655	5.47588
12 h after dark	7.26662	7.17756	7.35568