condition	mean	min	max
4 h after light	6.27874	6.01321	6.752789999999999
8 h after light	6.07906	5.917009999999999	6.27705
12 h after light	5.879693333333333	5.7325099999999996	6.16879
4 h after dark	6.052996666666666	5.9757	6.1679699999999995
8 h after dark	6.118546666666666	5.55438	6.561139999999999
12 h after dark	6.109233333333333	5.8914599999999995	6.47419