condition	mean	min	max
4 h after light	5.91512	5.660159999999999	6.08375
8 h after light	5.753153333333334	5.55815	5.9147300000000005
12 h after light	5.898476666666666	5.81573	6.02295
4 h after dark	6.247093333333333	6.0871	6.39812
8 h after dark	6.447743333333333	6.27738	6.55286
12 h after dark	6.894290000000001	6.75258	7.081810000000001