condition	mean	min	max
4 h after light	6.660284	6.337848	6.98272
8 h after light	6.8703165	6.518462	7.222171
12 h after light	7.1211455	7.058516	7.183775
4 h after dark	8.352886	7.69612	9.009652
8 h after dark	10.9682865	7.761154	14.175419
12 h after dark	8.015154	8.015154	8.015154