condition	mean	min	max
4 h after light	21.5272	20.5597	22.4947
8 h after light	10.882950000000001	10.1373	11.6286
12 h after light	4.33536	4.28648	4.38424
4 h after dark	1.2292109999999998	0.993072	1.46535
8 h after dark	1.18181	1.06317	1.30045
12 h after dark	5.709995	5.36254	6.05745