condition	mean	min	max
0 h after light	7.68979	7.51415	7.86543
4 h after light	5.665815	5.46991	5.86172
8 h after light	5.690015	5.34336	6.03667
4 h after dark	7.373735	6.16514	8.58233
8 h after dark	6.78315	6.38373	7.18257
12 h after dark	6.709345000000001	6.39289	7.0258