condition	mean	min	max
4 h after light	7.9937585	7.600659	8.386858
8 h after light	7.812564999999999	7.294878	8.330252
12 h after light	7.9993535	7.840096	8.158611
4 h after dark	7.739938	7.47796	8.001916
8 h after dark	7.600659	7.600659	7.600659
12 h after dark	6.798156	6.798156	6.798156