condition	mean	min	max
4 h after light	8.502728666666666	7.561980999999999	10.16155
8 h after light	5.3843266666666665	3.7261349999999998	7.190607000000001
12 h after light	7.286663	5.298883999999999	9.642379
16 h after light	12.757984	9.59432	19.01859
4 h after dark	6.108889333333334	2.8752150000000003	9.918985000000001
8 h after dark	6.0717550000000005	5.253538	7.6726410000000005