condition	mean	min	max
4 h after light	2117.0	2117.0	2117.0
8 h after light	2037.8	1750.5	2325.1
12 h after light	2009.8	1939.6	2080.0
4 h after dark	1837.05	1806.5	1867.6
8 h after dark	1343.5	1319.2	1367.8
12 h after dark	1272.6	1215.9	1329.3