condition	mean	min	max
0 h after light	6.3484300000000005	5.83649	6.86037
4 h after light	8.569485	8.00856	9.13041
8 h after light	10.69015	10.1396	11.2407
4 h after dark	11.4488	11.3879	11.5097
8 h after dark	9.6597	9.50372	9.81568
12 h after dark	7.061785	6.21723	7.90634