condition	mean	min	max
4 h after light	19.291449999999998	19.0349	19.548
8 h after light	63.932550000000006	59.3496	68.5155
12 h after light	170.588	159.036	182.14
4 h after dark	91.4067	91.2673	91.5282
8 h after dark	38.989	35.5853	41.31
12 h after dark	22.0139	20.593	22.7574