condition	mean	min	max
4 h after light	18.0139	17.6257	18.4021
8 h after light	19.76715	19.4999	20.0344
12 h after light	17.52235	17.1562	17.8885
4 h after dark	32.020250000000004	28.3052	35.7353
8 h after dark	29.5517	29.1861	29.9173
12 h after dark	27.606	26.5988	28.6132