condition	mean	min	max
4 h after light	5.647563333333333	4.50424	6.51859
8 h after light	3.86038	1.26787	6.46026
12 h after light	4.576203333333334	3.01066	6.15401
4 h after dark	6.01014	3.63361	8.34548
8 h after dark	6.471956666666666	5.02656	7.83319
12 h after dark	6.98811	6.63089	7.24918