condition	mean	min	max
4 h after light	39.752750000000006	38.4348	41.0707
8 h after light	16.226950000000002	15.6951	16.7588
12 h after light	26.8554	26.3732	27.3376
4 h after dark	25.5716	24.2752	26.868
8 h after dark	51.0018	49.7052	52.2984
12 h after dark	29.9732	29.4296	30.5168