condition	mean	min	max
4 h after light	7.2989250000000006	7.08082	7.51703
8 h after light	7.960839999999999	7.48942	8.43226
12 h after light	5.45154	5.39984	5.50324
4 h after dark	10.83915	10.7842	10.8941
8 h after dark	9.149915	9.13559	9.16424
12 h after dark	8.428535	8.40881	8.44826