condition	mean	min	max
4 h after light	554.9	554.9	554.9
8 h after light	543.9	446.4	641.4
12 h after light	405.6	394.7	416.5
4 h after dark	566.75	408.6	724.9
8 h after dark	531.85	499.7	564.0
12 h after dark	614.85	568.0	661.7