condition	mean	min	max
4 h after light	2.80419	2.76692	2.84146
8 h after light	4.344635	4.32805	4.36122
12 h after light	5.16944	4.80251	5.53637
4 h after dark	4.03662	3.89235	4.18089
8 h after dark	4.09262	3.93937	4.24587
12 h after dark	4.043585	3.99126	4.09591