Coal Creek, Colorado Coop Observing Station Cooling The Last Decade

By Dr. Richard Keen, University of Colorado

I’m the NOAA co-op observer for Coal Creek Canyon, Colorado, elevation 8950 feet, in the foothills NW of Denver. Here is a graph of average temperatures for the past ten years. 2008 is by far the coldest year in the past decade, with an average of 39F.

That’s full 3 degrees F colder than 2003. Each of the past five years is colder than any of the previous five years.


This is only one station of the thousands in the NOAA co-op network, but I thought I’d show you the data before it’s adjusted and homogenized by the usual suspects.

Here’s a photo of the station in January 2007, in the midst of a record round of snow storms in Colorado.

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