condition	mean	min	max
4 h after light	7.23573	5.85377	8.61769
8 h after light	8.15047	7.34094	8.96
12 h after light	9.431185	9.27359	9.58878
4 h after dark	12.7769	11.7436	14.3284
8 h after dark	11.02848	9.55074	12.6719
12 h after dark	11.467833333333333	10.5511	12.6777