condition	mean	min	max
4 h after light	5.2333533333333335	5.12093	5.35741
8 h after light	5.17921	4.97996	5.43001
12 h after light	5.124709999999999	4.957319999999999	5.30484
4 h after dark	5.132436666666667	4.8553	5.41455
8 h after dark	5.06892	4.95715	5.15784
12 h after dark	5.1499299999999995	5.03736	5.31542