condition	mean	min	max
4 h after light	9.632719999999999	9.54227	9.74452
8 h after light	9.559233333333333	9.42274	9.6907
12 h after light	9.77754	9.65359	9.8571
4 h after dark	10.01378	9.85868	10.21523
8 h after dark	10.074186666666668	9.96466	10.23633
12 h after dark	10.206436666666667	10.13924	10.245510000000001