condition	mean	min	max
4 h after light	8.0720155	7.931392	8.212639
8 h after light	8.3021365	7.568791	9.035482
12 h after light	8.04694	7.312074	8.781806
4 h after dark	9.1925895	8.320531	10.064648
8 h after dark	8.5281935	8.387326	8.669061
12 h after dark	8.847843	8.847843	8.847843