condition	mean	min	max
4 h after light	19.6117	14.0562	22.7719
8 h after light	13.446449999999999	5.49925	19.0236
12 h after light	17.04492	8.69326	28.5748
4 h after dark	23.06276666666667	12.809	30.0254
8 h after dark	24.3961	15.9936	29.2717
12 h after dark	25.746566666666666	21.6026	32.6746