condition	mean	min	max
0 h after light	6.64132	5.99457	7.28807
4 h after light	6.58726	5.74851	7.42601
8 h after light	7.14747	6.32552	7.96942
4 h after dark	9.059015	8.92589	9.19214
8 h after dark	9.64021	8.61342	10.667
12 h after dark	6.736829999999999	6.12908	7.34458