condition	mean	min	max
4 h after light	4.894685	4.2785	5.51087
8 h after light	2.9399300000000004	2.87652	3.00334
12 h after light	4.905385	4.12914	5.68163
4 h after dark	10.97671	9.09122	12.8622
8 h after dark	8.518825	8.31443	8.72322
12 h after dark	7.21841	6.53341	7.90341