condition	mean	min	max
4 h after light	5.210646666666666	5.06369	5.48848
8 h after light	5.20521	5.083069999999999	5.36342
12 h after light	5.175543333333334	4.87579	5.62951
4 h after dark	5.24674	5.09391	5.35574
8 h after dark	5.025580000000001	4.8929800000000006	5.1031
12 h after dark	5.077813333333333	4.9745099999999995	5.21324