condition	mean	min	max
4 h after light	4.21633	2.72878	5.70388
8 h after light	3.01872	2.9841	3.05334
12 h after light	4.432945	3.87696	4.98893
4 h after dark	4.611995	4.37892	4.84507
8 h after dark	6.330125	6.03843	6.62182
12 h after dark	6.065659999999999	5.91071	6.22061