condition	mean	min	max
4 h after light	1.8067065	0.598343	3.01507
8 h after light	1.44933	1.09926	1.7994
12 h after light	3.025975	2.77017	3.28178
4 h after dark	3.740435	3.43898	4.04189
8 h after dark	3.480085	3.46295	3.49722
12 h after dark	2.65398	2.05843	3.24953