condition	mean	min	max
4 h after light	5.929743333333334	5.75933	6.0746199999999995
8 h after light	5.950489999999999	5.79855	6.2154
12 h after light	5.73665	5.502000000000001	6.001580000000001
4 h after dark	5.81593	5.64757	6.010619999999999
8 h after dark	5.821073333333333	5.7481599999999995	5.90259
12 h after dark	6.047643333333333	5.92545	6.22426