condition	mean	min	max
4 h after light	3.36358	3.00187	3.72529
8 h after light	3.8993200000000003	3.38339	4.41525
12 h after light	3.4080399999999997	2.30085	4.51523
4 h after dark	3.8492300000000004	2.3896	5.30886
8 h after dark	3.4172399999999996	3.36596	3.46852
12 h after dark	3.737835	3.68238	3.79329