Domestic raw steel output declined last week, moving lower for a second straight week after seeing notable swings over the prior several weeks, according to the latest American Iron and Steel Institute (AISI) figures. Over the past six weeks, US production has fluctuated significantly, hitting a multi-year high and a six-month low. While the seesaw pattern has been extreme, output has mostly trended lower since peaking in May. And despite repeated declines in recent weeks, output remains strong compared to recent years. AISI estimated total US raw steel mill output to be 1,769,000 short tons (st) in the week ending Oct. 10 (Figure 1). Production was down 5,000 st (0.3%) from the prior week, driven by a decline in just one of five regions. So far this year, we have seen weekly production rise as high as 1,900,000 st in early September (a six-year high) and fall as low as 1,704,000 st at the start of the year.