condition	mean	min	max
4 h after light	6.72921	5.00374	8.45468
8 h after light	5.536635	5.06921	6.00406
12 h after light	5.320515	4.10631	6.53472
4 h after dark	3.7602	2.14297	6.10346
8 h after dark	6.288093333333333	5.7481	7.11999
12 h after dark	8.185633333333334	7.06119	9.76309