condition	mean	min	max
4 h after light	998.5	998.5	998.5
8 h after light	1009.7	991.1	1028.3
12 h after light	897.75	842.6	952.9
4 h after dark	919.8499999999999	835.9	1003.8
8 h after dark	804.75	802.1	807.4
12 h after dark	833.25	830.7	835.8