condition	mean	min	max
2 h after light	19.104300000000002	15.8608	21.8244
6 h after light	15.576699999999999	12.3179	19.1806
10 h after light	14.901506666666666	9.91754	23.6365
14 h after light	13.909993333333333	7.67698	17.4858
18 h after light	15.0564	11.3074	19.9267
2 h after dark	25.406266666666667	20.9052	28.9472