condition	mean	min	max
4 h after light	9.354472999999999	8.936024	9.772922
8 h after light	8.5956765	8.300908	8.890445
12 h after light	8.6749005	8.559897	8.789904
4 h after dark	9.404861	9.404861	9.404861
8 h after dark	8.7864495	8.636875	8.936024
12 h after dark	9.617392	9.617392	9.617392