condition	mean	min	max
4 h after light	5.0105	4.94	5.0464
8 h after light	5.09422	5.08951	5.10192
12 h after light	5.151196666666666	5.02825	5.3486199999999995
4 h after dark	5.065723333333334	4.96583	5.20566
8 h after dark	5.06833	4.97806	5.14596
12 h after dark	4.999006666666666	4.9374400000000005	5.04674