condition	mean	min	max
4 h after light	29.6574795	21.580813	37.734146
8 h after light	17.5786905	17.418612	17.738769
12 h after light	22.417196	19.222904	25.611488
4 h after dark	13.9781105	10.738133	17.218088
8 h after dark	14.3420935	11.865883	16.818304
12 h after dark	55.249395	55.249395	55.249395