condition	mean	min	max
4 h after light	6.847155	6.38385	7.31046
8 h after light	7.403895	7.24287	7.56492
12 h after light	8.53174	7.73541	9.32807
4 h after dark	9.128033333333333	8.73514	9.90577
8 h after dark	7.44701	7.09268	7.85549
12 h after dark	6.9033	6.26607	7.34414