condition	mean	min	max
4 h after light	12.035499999999999	11.3149	12.7561
8 h after light	7.9447399999999995	7.75377	8.13571
12 h after light	8.057504999999999	7.28801	8.827
4 h after dark	9.840153333333333	9.20613	10.8336
8 h after dark	8.937006666666667	8.07237	9.6128
12 h after dark	9.15482	7.29492	10.5555