condition	mean	min	max
4 h after light	1.695615	1.66294	1.72829
8 h after light	1.96969	1.64804	2.29134
12 h after light	2.51096	2.40977	2.61215
4 h after dark	3.7862400000000003	3.74498	3.8275
8 h after dark	2.627865	2.4524	2.80333
12 h after dark	2.515575	2.48358	2.54757