condition	mean	min	max
0 h after light	3.02731	2.58522	3.4694
4 h after light	6.7549600000000005	6.20389	7.30603
8 h after light	5.61523	4.66736	6.5631
4 h after dark	6.431795	6.30048	6.56311
8 h after dark	6.395665	5.5246	7.26673
12 h after dark	4.58358	3.02016	6.147