condition	mean	min	max
4 h after light	39.026250000000005	36.2277	41.8248
8 h after light	32.697050000000004	32.5309	32.8632
12 h after light	38.590450000000004	37.5234	39.6575
4 h after dark	51.042950000000005	48.8979	53.188
8 h after dark	58.2453	57.1122	59.3784
12 h after dark	54.444900000000004	52.537	56.3528