condition	mean	min	max
4 h after light	4.59226	4.09849	5.08603
8 h after light	4.96543	4.91698	5.01388
12 h after light	11.58889	9.50018	13.6776
4 h after dark	15.398966666666666	14.1358	16.8699
8 h after dark	18.838066666666666	16.79	21.9859
12 h after dark	9.224889999999998	7.89258	11.5537