condition	mean	min	max
4 h after light	9.8731215	9.63366	10.112583
8 h after light	9.865448	9.368883	10.362013
12 h after light	9.1479785	8.927074	9.368883
4 h after dark	9.984588	9.491303	10.477873
8 h after dark	8.976254	8.931199	9.021309
12 h after dark	8.948263	8.948263	8.948263