condition	mean	min	max
4 h after light	12.41655	11.3517	13.4814
8 h after light	9.828510000000001	9.39952	10.2575
12 h after light	10.77905	10.6098	10.9483
4 h after dark	15.02835	14.7736	15.2831
8 h after dark	16.3341	16.1518	16.5164
12 h after dark	15.3355	14.7134	15.9576