While the press is hyperventilating over NASA GISS recent announcement of the “Hottest Decade Ever“, it pays to keep in mind what happened the last two years of the past decade.

According to NCDC, 2009 temperatures in the US (53.13F) were the 33rd warmest and very close to the long term mean of 52.86F.

Generated from http://www.ncdc.noaa.gov/oa/climate/research/cag3/na.html

Since 1998, according to NCDC’s own figures, temperatures in the US have been dropping at a rate of more than 10 degrees F per century.

Generated from http://www.ncdc.noaa.gov/oa/climate/research/cag3/na.html

For 2009, all regions of the US were normal or below normal except for the southwest and Florida.

NCDC Statewide Rankings

Temperatures in Alaska were also slightly below the long term mean. Three of the last four years have seen below normal temperatures in Alaska.

A few fond memories from 2009 :

Americans suffer record cold as temperatures plunge to -40 16th January 2009

Jul 28, 2009 Chicago Sees Coldest July In 67 Years

Aug 31, 2009 August Ends With Near-Record Cold

Oct 14, 2009 October Cold Snap Sets 82-Year Record

And my personal favorite:

From: Kevin Trenberth <trenbert@xxxxxxxxx.xxx>

To: Michael Mann <mann@xxxxxxxxx.xxx>

Subject: Re: BBC U-turn on climate

Date: Mon, 12 Oct 2009 08:57:37 -0600

Cc: Stephen H Schneider <shs@xxxxxxxxx.xxx>, Myles Allen <allen@xxxxxxxxx.xxx>, peter stott <peter.stott@xxxxxxxxx.xxx>, “Philip D. Jones” <p.jones@xxxxxxxxx.xxx>, Benjamin Santer <santer1@xxxxxxxxx.xxx>, Tom Wigley <wigley@xxxxxxxxx.xxx>, Thomas R Karl <Thomas.R.Karl@xxxxxxxxx.xxx>, Gavin Schmidt <gschmidt@xxxxxxxxx.xxx>, James Hansen <jhansen@xxxxxxxxx.xxx>, Michael Oppenheimer <omichael@xxxxxxxxx.xxx>

Hi all

Well I have my own article on where the heck is global warming? We are asking that here in

Boulder where we have broken records the past two days for the coldest days on record. We

had 4 inches of snow. The high the last 2 days was below 30F and the normal is 69F, and it

smashed the previous records for these days by 10F. The low was about 18F and also a

record low, well below the previous record low. This is January weather (see the Rockies

baseball playoff game was canceled on saturday and then played last night in below freezing

weather).

Trenberth, K. E., 2009: An imperative for climate change planning: tracking Earth’s global

energy. Current Opinion in Environmental Sustainability, 1, 19-27,

doi:10.1016/j.cosust.2009.06.001. [1][PDF] (A PDF of the published version can be obtained

from the author.)

The fact is that we can’t account for the lack of warming at the moment and it is a

travesty that we can’t. The CERES data published in the August BAMS 09 supplement on 2008

shows there should be even

h/t to Steve Goddard

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