condition	mean	min	max
4 h after light	1.76716	1.66868	1.86564
8 h after light	2.02591	1.93819	2.11363
12 h after light	5.30814	5.24415	5.37213
4 h after dark	9.473005	8.86251	10.0835
8 h after dark	8.128035	8.07778	8.17829
12 h after dark	4.891835	4.82962	4.95405