condition	mean	min	max
4 h after light	8.05068	7.54226	8.5591
8 h after light	6.92661	6.53058	7.32264
12 h after light	7.3086199999999995	6.56007	8.05717
4 h after dark	7.726515	7.54614	7.90689
8 h after dark	7.87083	7.672	8.06966
12 h after dark	8.602225	8.22963	8.97482