condition	mean	min	max
4 h after light	11817.2	11817.2	11817.2
8 h after light	11876.25	11603.3	12149.2
12 h after light	10243.2	9006.3	11480.1
4 h after dark	9643.2	8853.3	10433.1
8 h after dark	8914.65	8446.4	9382.9
12 h after dark	9337.05	8670.1	10004.0