condition	mean	min	max
4 h after light	3.935035	3.07808	4.79199
8 h after light	3.295845	2.9369	3.65479
12 h after light	3.1523399999999997	2.78627	3.51841
4 h after dark	3.6486099999999997	3.16628	4.13094
8 h after dark	4.04335	3.69342	4.39328
12 h after dark	3.8409500000000003	3.46996	4.21194