condition	mean	min	max
4 h after light	6.19879	6.07624	6.33713
8 h after light	6.200773333333333	5.97475	6.3867
12 h after light	6.03806	5.86238	6.15074
4 h after dark	6.086613333333333	6.00199	6.18454
8 h after dark	6.0539266666666665	5.82032	6.187869999999999
12 h after dark	6.10219	5.991680000000001	6.2918199999999995