condition	mean	min	max
4 h after light	19.1759	18.1091	20.2427
8 h after light	13.729199999999999	13.6305	13.8279
12 h after light	18.7804	16.2127	21.3481
4 h after dark	24.06595	22.705	25.4269
8 h after dark	27.479950000000002	27.0588	27.9011
12 h after dark	27.8052	26.6155	28.9949