condition	mean	min	max
4 h after light	10.948035	8.90617	12.9899
8 h after light	8.089835	6.69653	9.48314
12 h after light	6.83844	6.73783	6.93905
4 h after dark	7.746763333333333	7.46125	8.16236
8 h after dark	11.543766666666667	10.154	12.4263
12 h after dark	9.775056666666668	6.70817	12.1757