condition	mean	min	max
4 h after light	3485.3183285	1723.099837	5247.53682
8 h after light	6246.3702485	3791.662286	8701.078211
12 h after light	6577.5354845	6022.254798	7132.816171
4 h after dark	8925.8598175	5773.863585	12077.85605
8 h after dark	8100.0501365	5753.125303	10446.97497
12 h after dark	6214.019235	6214.019235	6214.019235