condition	mean	min	max
4 h after light	3.8028593333333336	3.7100940000000002	3.9632080000000003
8 h after light	2.6712836666666666	1.651731	3.208755
12 h after light	1.8313183333333334	1.5926040000000001	1.9992729999999999
16 h after light	3.6236376666666663	3.017014	4.2729029999999995
4 h after dark	3.1148416666666665	2.7960529999999997	3.564545
8 h after dark	1.919328	1.6618259999999998	2.070954