condition	mean	min	max
4 h after light	5.1286266666666664	4.95855	5.30549
8 h after light	5.56274	5.43797	5.63225
12 h after light	5.4094500000000005	5.320930000000001	5.57985
4 h after dark	5.322326666666666	5.3097199999999996	5.34021
8 h after dark	5.3280899999999995	5.07231	5.462969999999999
12 h after dark	5.275003333333333	5.2156	5.33458