condition	mean	min	max
4 h after light	11.61577	8.13361	14.6268
8 h after light	9.118846666666666	3.96583	14.0547
12 h after light	11.0189	8.44766	14.7876
4 h after dark	12.242093333333333	9.78548	13.7491
8 h after dark	12.630569999999999	9.91561	16.5264
12 h after dark	19.948233333333334	17.4432	21.503