condition	mean	min	max
4 h after light	1.611405	0.0	3.22281
8 h after light	7.41373	6.99411	7.83335
12 h after light	1.5945	0.0	3.189
4 h after dark	13.9367	0.0	27.8734
8 h after dark	0.698405	0.0	1.39681
12 h after dark	6.223735	5.50063	6.94684