condition	mean	min	max
4 h after light	1196.2	1196.2	1196.2
8 h after light	979.7	866.2	1093.2
12 h after light	1149.45	875.5	1423.4
4 h after dark	1378.95	1220.0	1537.9
8 h after dark	1361.5	1276.4	1446.6
12 h after dark	1231.5	1154.7	1308.3