Wetter!
The long term trend for the Oceanic Nino Index is thought to be predictive of this wetter outcome in the Upper Midwest. The index trend is cooler from about +1 degree F anomaly to -1 degree F anomaly since 1951.
Mean annual precipitation at KGRR has risen from 31.88 inches 1903-1951 to 36.81 inches 1951-2023.
