condition	mean	min	max
4 h after light	4.39257	3.67084	5.1143
8 h after light	3.600955	3.039	4.16291
12 h after light	3.400595	3.3391	3.46209
4 h after dark	4.895596666666666	4.57048	5.09793
8 h after dark	6.75332	5.59189	7.56097
12 h after dark	5.650806666666667	5.40384	5.82622