condition	mean	min	max
4 h after light	1146.7	1146.7	1146.7
8 h after light	1012.45	1010.7	1014.2
12 h after light	1005.85	809.7	1202.0
4 h after dark	1549.4	1203.7	1895.1
8 h after dark	1966.8000000000002	1951.7	1981.9
12 h after dark	1533.15	1514.7	1551.6