condition	mean	min	max
4 h after light	3.1275263333333334	3.0192810000000003	3.243221
8 h after light	2.229239333333333	1.5089	2.625557
12 h after light	1.446281	1.311931	1.625118
16 h after light	3.0772456666666663	2.7567	3.481111
4 h after dark	2.5636763333333334	2.3146709999999997	2.925704
8 h after dark	2.438046	1.748779	3.130945