condition	mean	min	max
4 h after light	27.83845	24.7302	30.9467
8 h after light	16.5766	16.4167	16.7365
12 h after light	19.52855	17.6783	21.3788
4 h after dark	32.54625	28.6769	36.4156
8 h after dark	35.1728	35.0855	35.2601
12 h after dark	35.22025	34.6679	35.7726