condition	mean	min	max
4 h after light	6.62777	6.1949	7.06064
8 h after light	7.2277000000000005	6.99457	7.46083
12 h after light	6.002929999999999	5.63289	6.37297
4 h after dark	9.47157	8.29984	10.6433
8 h after dark	9.465955000000001	9.06287	9.86904
12 h after dark	8.835294999999999	8.28722	9.38337