condition	mean	min	max
0 h after light	7.61004	6.86728	8.3528
4 h after light	2.34298	2.04465	2.64131
8 h after light	3.2360100000000003	3.1665	3.30552
4 h after dark	5.07461	4.52607	5.62315
8 h after dark	4.814125	4.80584	4.82241
12 h after dark	7.115265	4.22063	10.0099