condition	mean	min	max
4 h after light	5.244233333333334	5.15825	5.31338
8 h after light	5.3468599999999995	5.27792	5.41319
12 h after light	5.24664	4.92138	5.58751
4 h after dark	5.22457	5.16579	5.31666
8 h after dark	5.544816666666667	5.50179	5.59769
12 h after dark	5.662333333333334	5.5628	5.77185