condition	mean	min	max
4 h after light	5.637286666666666	5.50823	5.7378599999999995
8 h after light	5.803996666666667	5.77953	5.816730000000001
12 h after light	5.89606	5.80203	5.95115
4 h after dark	6.063723333333333	6.017919999999999	6.1171
8 h after dark	5.996583333333334	5.95869	6.029730000000001
12 h after dark	6.04635	5.89542	6.27024