condition	mean	min	max
4 h after light	5.898883333333333	5.86337	5.95976
8 h after light	5.543223333333334	5.52683	5.56818
12 h after light	5.64884	5.55023	5.7672099999999995
4 h after dark	5.90599	5.880730000000001	5.93804
8 h after dark	6.14127	6.05396	6.21223
12 h after dark	7.110773333333333	6.718660000000001	7.54392