condition	mean	min	max
4 h after light	4.156155	0.0	8.31231
8 h after light	4.209145	0.0	8.41829
12 h after light	10.57459	2.05628	19.0929
4 h after dark	8.16573	5.39186	10.9396
8 h after dark	4.0371500000000005	3.57095	4.50335
12 h after dark	4.1532350000000005	2.98623	5.32024