condition	mean	min	max
4 h after light	3.75863	3.63348	3.88378
8 h after light	2.47798	2.4274	2.52856
12 h after light	3.850755	3.62343	4.07808
4 h after dark	6.327055	5.74417	6.90994
8 h after dark	7.7075499999999995	7.40647	8.00863
12 h after dark	7.0940449999999995	6.53407	7.65402