condition	mean	min	max
4 h after light	24.454700000000003	23.8883	25.0211
8 h after light	15.746400000000001	14.5528	16.94
12 h after light	11.6095	11.1594	12.0596
4 h after dark	14.56245	14.1546	14.9703
8 h after dark	20.451999999999998	20.1856	20.7184
12 h after dark	23.895699999999998	22.9805	24.8109