condition	mean	min	max
4 h after light	10.559149999999999	9.1664	11.9519
8 h after light	9.154535	8.9646	9.34447
12 h after light	8.1738	7.87793	8.46967
4 h after dark	8.435075000000001	8.21542	8.65473
8 h after dark	7.456185	7.04036	7.87201
12 h after dark	9.528385	8.81257	10.2442