condition	mean	min	max
0 h after light	27.21085	27.1672	27.2545
4 h after light	17.75175	16.4892	19.0143
8 h after light	38.552	36.7874	40.3166
4 h after dark	34.0997	29.2161	38.9833
8 h after dark	26.19795	25.9825	26.4134
12 h after dark	21.59635	19.4952	23.6975