Thursday, September 8, 2022

Trend for annual precipitation in Grand Rapids, Michigan 1903-2021

 

The mean annual has risen to 34.79 through 2021 from 31.45 through 1963 . . . an extra 3.34 inches annually, in keeping with a long term slightly cooling Oceanic Nino Index from 1951.

Through 2021 mean precipitation for the eight months Jan-Aug is 22.88, but for Jan-Aug 2022 we've got 27.61 inches.

Wet. Wet. Wet.

Meanwhile out West it's the reverse.

Dry. Dry. Dry.