condition	mean	min	max
4 h after light	15.49195	14.2257	16.7582
8 h after light	12.740300000000001	12.2971	13.1835
12 h after light	16.650850000000002	15.8664	17.4353
4 h after dark	22.027766666666665	19.9611	25.1356
8 h after dark	20.471333333333334	19.0719	21.9433
12 h after dark	20.5775	18.9182	22.8583