condition	mean	min	max
0 h after light	3.98578	3.62935	4.34221
4 h after light	5.296530000000001	4.87242	5.72064
8 h after light	8.426715	7.42554	9.42789
4 h after dark	7.197794999999999	6.13928	8.25631
8 h after dark	6.120184999999999	5.90933	6.33104
12 h after dark	5.17316	4.43243	5.91389