condition	mean	min	max
4 h after light	2.2483750000000002	2.21197	2.28478
8 h after light	4.50474	4.36756	4.64192
12 h after light	5.226265	4.78328	5.66925
4 h after dark	8.16309	6.76077	9.56541
8 h after dark	3.746565	3.5519	3.94123
12 h after dark	2.768515	2.47564	3.06139