condition	mean	min	max
4 h after light	879.0	879.0	879.0
8 h after light	930.9	831.8	1030.0
12 h after light	948.65	948.5	948.8
4 h after dark	932.75	905.2	960.3
8 h after dark	853.1	849.1	857.1
12 h after dark	725.9000000000001	714.7	737.1