condition	mean	min	max
4 h after light	4.946295	4.9017	4.99089
8 h after light	5.2369	4.6972	5.7766
12 h after light	6.3935949999999995	5.68175	7.10544
4 h after dark	7.755184999999999	6.61306	8.89731
8 h after dark	7.528029999999999	7.1761	7.87996
12 h after dark	7.797165	6.98904	8.60529