condition	mean	min	max
4 h after light	181.0	181.0	181.0
8 h after light	186.05	183.1	189.0
12 h after light	185.5	185.5	185.5
4 h after dark	199.35	175.7	223.0
8 h after dark	163.25	141.4	185.1
12 h after dark	182.35	172.5	192.2