condition	mean	min	max
4 h after light	4.017110000000001	3.57127	4.46295
8 h after light	3.0424049999999996	2.91605	3.16876
12 h after light	4.1511949999999995	3.79882	4.50357
4 h after dark	4.26285	4.12623	4.39947
8 h after dark	4.882125	4.78288	4.98137
12 h after dark	5.330445	4.94792	5.71297