condition	mean	min	max
4 h after light	7.2385649999999995	6.87877	7.59836
8 h after light	6.840685	6.68113	7.00024
12 h after light	8.12583	7.25526	8.9964
4 h after dark	8.81506	8.64225	8.99182
8 h after dark	8.912066666666668	8.57145	9.17265
12 h after dark	8.319783333333334	7.38583	8.98217