Official recession calls are the responsibility of the NBER business Cycle Dating Committee, which is understandably vague about the specific indicators on which they base their decisions. This committee statement is about as close as they get to identifying their method.

There is, however, a general belief that there are four big indicators that the committee weighs heavily in their cycle identification process. They are:

The Latest Indicator Data

Today's report on Industrial Production for December shows a 0.9% increase month-over-month, which was better than the Investing.com consensus of 0.4%. December's figures represent a new peak, overtaking the November 2014 peak. The year-over-year change is 3.56 percent, up from last month's YoY increase.

Here is the overview from the federal reserve:

Industrial production moved up 0.2 percent in November after posting an upwardly revised increase of 1.2 percent in October. Manufacturing production also rose 0.2 percent in November, its third consecutive monthly gain. The output of utilities dropped 1.9 percent. The index for mining increased 2.0 percent, as oil and gas extraction returned to normal levels after being held down in October by Hurricane Nate. Excluding the post-hurricane rebound in oil and gas extraction, total industrial production would have been unchanged in November. Total industrial production was 106.4 percent of its 2012 average in November and was 3.4 percent above its year-earlier level. Capacity utilization for the industrial sector was 77.1 percent in November, a rate that is 2.8 percentage points below its long-run (1972–2016) average. [view full report]

The chart below shows the year-over-year percent change in Industrial Production since the series inception in 1919, the current level is lower than at the onset of 8 of the 17 recessions over this time frame of nearly a century.