condition	mean	min	max
4 h after light	620.1	620.1	620.1
8 h after light	608.45	555.5	661.4
12 h after light	544.25	489.4	599.1
4 h after dark	667.45	511.3	823.6
8 h after dark	685.1	650.0	720.2
12 h after dark	633.6	612.7	654.5