condition	mean	min	max
4 h after light	2187.9	2187.9	2187.9
8 h after light	2157.25	2121.5	2193.0
12 h after light	1885.65	1670.5	2100.8
4 h after dark	1356.75	1146.6	1566.9
8 h after dark	1106.9	1076.5	1137.3
12 h after dark	1160.75	1036.8	1284.7