condition	mean	min	max
4 h after light	1.988225	1.59419	2.38226
8 h after light	2.12889	1.9237	2.33408
12 h after light	1.923125	1.81791	2.02834
4 h after dark	1.979425	1.8687	2.09015
8 h after dark	1.901535	1.66602	2.13705
12 h after dark	2.0912699999999997	2.033	2.14954