condition	mean	min	max
4 h after light	15.3978	11.9726	18.823
8 h after light	9.316485	8.36817	10.2648
12 h after light	16.4662	16.2172	16.7152
4 h after dark	39.643950000000004	39.3819	39.906
8 h after dark	41.831	38.9803	44.6817
12 h after dark	39.6082	36.4928	42.7236