condition	mean	min	max
4 h after light	16.8928	16.1778	17.6078
8 h after light	19.13695	18.8442	19.4297
12 h after light	32.2787	32.0046	32.5528
4 h after dark	22.9895	21.5492	24.4298
8 h after dark	24.898249999999997	23.9513	25.8452
12 h after dark	22.159	22.0451	22.2729