CARIBOU — The National Weather Service says last month’s monthly temperature was below normal in northern Maine, breaking an 18-month streak of above-normal temperatures.

The weather service says November’s average temperature in Caribou, where official records are recorded for the region, came in at 31.5 degrees, or 0.2 degrees below normal.

The last time Caribou’s monthly temperature came in below normal was in April 2011.

November’s temperatures for all of northern and eastern Maine ranged from about one-half to 2 degrees below normal across the region.