condition	mean	min	max
4 h after light	1.572485	1.23521	1.90976
8 h after light	0.9782685	0.869007	1.08753
12 h after light	0.7978810000000001	0.750868	0.844894
4 h after dark	0.8157723333333334	0.613222	1.13298
8 h after dark	1.2552033333333334	1.05972	1.36172
12 h after dark	1.0035186666666667	0.889016	1.10265