Skip to feedback Skip to main content

NOAA's National Centers for Environmental Information

Monthly Climate Reports

Home
Climate Monitoring
Monthly Climate Reports
National Climate
May 2021

February U.S. Release: Mon, 10 Mar 2025, 11:00 AM EDT

Monthly Report
Summary Info
Climate Briefings
RSS Feed

Use the form below to select from a collection of monthly summaries recapping climate-related occurrences on both a global and national scale.

Report:

Year:

Month:

National Climate ReportMay 2021

All
National
Global

National

Assessing the U.S. Climate

Monthly assessment of the National Climate

National Climate Report

An analysis of national temperatures and precipitation each month, placing the data into a historical perspective

A monthly discussion of U.S. drought status, with narrative and graphics

Wildfires Report

A summary of wildfires in the U.S. and related weather and climate conditions

National Snow and Ice Report

A national view of snow and ice conditions by month, placing the data and significant events into a historical perspective

Tornadoes Report

A summary of tornadic activity in the Contiguous U.S.

Synoptic Discussion

A summary of synoptic activity in the U.S.

Global

Assessing the Global Climate

Monthly assessment of the Global Climate

Global Climate Report

An analysis of global temperatures and precipitation, placing the data into a historical perspective

Global Drought Narrative

A monthly narrative on the state of global drought

Regional Analysis

A summary of global regional temperature anomalies, placing the data into a historical perspective

Upper Air Report

Tropospheric and stratospheric temperatures, with data placed into historical perspective

Tropical Cyclones Report

A breakdown of hurricanes, typhoons, cyclones, and tropical storms across the globe

Global Snow and Ice Report

A global view of snow and ice, placing the data into a historical perspective

Discontinued

Weather-related hazards and disasters around the world

El Niño/Southern Oscillation

Atmospheric and oceanic conditions related to ENSO

All 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998

Annual 1998
National Climate

National Climate Report for Annual 1998

January 1999
National Climate

National Climate Report for January 1999

February 1999
National Climate

National Climate Report for February 1999

Winter 1999
National Climate

National Climate Report for December 1998-February 1999

March 1999
National Climate

National Climate Report for March 1999

April 1999
National Climate

National Climate Report for April 1999

May 1999
National Climate

National Climate Report for May 1999

Spring 1999
National Climate

National Climate Report for March -May) 1999

June 1999
National Climate

National Climate Report for June 1999

July 1999
National Climate

National Climate Report for July 1999

August 1999
National Climate

National Climate Report for August 1999

Summer 1999
National Climate

National Climate Report for June-August 1999

September 1999
National Climate

National Climate Report for September 1999

October 1999
National Climate

National Climate Report for October 1999

November 1999
National Climate

National Climate Report for November 1999

Autumn 1999
National Climate

National Climate Report for September-November 1999

Annual 1999
National Climate

National Climate Report for Annual 1999

January 2000
National Climate

National Climate Report for January 2000

February 2000
National Climate

National Climate Report for February 2000

Winter 2000
National Climate

National Climate Report for December 1999-February 2000

March 2000
National Climate

National Climate Report for March 2000

April 2000
National Climate

National Climate Report for April 2000

May 2000
National Climate

National Climate Report for May 2000

Spring 2000
National Climate

National Climate Report for March -May) 2000

June 2000
National Climate

National Climate Report for June 2000

July 2000
National Climate

National Climate Report for July 2000

August 2000
National Climate

National Climate Report for August 2000

Summer 2000
National Climate

National Climate Report for June-August 2000

September 2000
National Climate

National Climate Report for September 2000

October 2000
National Climate

National Climate Report for October 2000

November 2000
National Climate

National Climate Report for November 2000

Autumn 2000
National Climate

National Climate Report for September-November 2000

December 2000
National Climate

National Climate Report for December 2000

Annual 2000
National Climate

National Climate Report for Annual 2000

January 2001
National Climate

National Climate Report for January 2001

February 2001
National Climate

National Climate Report for February 2001

Winter 2001
National Climate

National Climate Report for December 2000-February 2001

March 2001
National Climate

National Climate Report for March 2001

April 2001
National Climate

National Climate Report for April 2001

May 2001
National Climate

National Climate Report for May 2001

June 2001
National Climate

National Climate Report for June 2001

July 2001
National Climate

National Climate Report for July 2001

August 2001
National Climate

National Climate Report for August 2001

September 2001
National Climate

National Climate Report for September 2001

October 2001
National Climate

National Climate Report for October 2001

November 2001
National Climate

National Climate Report for November 2001

December 2001
National Climate

National Climate Report for December 2001

Annual 2001
National Climate

National Climate Report for Annual 2001

January 2002
National Climate

National Climate Report for January 2002

February 2002
National Climate

National Climate Report for February 2002

March 2002
National Climate

National Climate Report for March 2002

April 2002
National Climate

National Climate Report for April 2002

May 2002
National Climate

National Climate Report for May 2002

June 2002
National Climate

National Climate Report for June 2002

July 2002
National Climate

National Climate Report for July 2002

August 2002
National Climate

National Climate Report for August 2002

September 2002
National Climate

National Climate Report for September 2002

October 2002
National Climate

National Climate Report for October 2002

November 2002
National Climate

National Climate Report for November 2002

December 2002
National Climate

National Climate Report for December 2002

January 2003
National Climate

National Climate Report for January 2003

February 2003
National Climate

National Climate Report for February 2003

March 2003
National Climate

National Climate Report for March 2003

April 2003
National Climate

National Climate Report for April 2003

May 2003
National Climate

National Climate Report for May 2003

June 2003
National Climate

National Climate Report for June 2003

July 2003
National Climate

National Climate Report for July 2003

August 2003
National Climate

National Climate Report for August 2003

September 2003
National Climate

National Climate Report for September 2003

October 2003
National Climate

National Climate Report for October 2003

November 2003
National Climate

National Climate Report for November 2003

December 2003
National Climate

National Climate Report for December 2003

January 2004
National Climate

National Climate Report for January 2004

February 2004
National Climate

National Climate Report for February 2004

March 2004
National Climate

National Climate Report for March 2004

April 2004
National Climate

National Climate Report for April 2004

May 2004
National Climate

National Climate Report for May 2004

June 2004
National Climate

National Climate Report for June 2004

July 2004
National Climate

National Climate Report for July 2004

August 2004
National Climate

National Climate Report for August 2004

September 2004
National Climate

National Climate Report for September 2004

October 2004
National Climate

National Climate Report for October 2004

November 2004
National Climate

National Climate Report for November 2004

December 2004
National Climate

National Climate Report for December 2004

January 2005
National Climate

National Climate Report for January 2005

February 2005
National Climate

National Climate Report for February 2005

Winter 2005
National Climate

National Climate Report for December 2004-February 2005

March 2005
National Climate

National Climate Report for March 2005

April 2005
National Climate

National Climate Report for April 2005

May 2005
National Climate

National Climate Report for May 2005

Spring 2005
National Climate

National Climate Report for March -May) 2005

June 2005
National Climate

National Climate Report for June 2005

July 2005
National Climate

National Climate Report for July 2005

August 2005
National Climate

National Climate Report for August 2005

Summer 2005
National Climate

National Climate Report for June-August 2005

September 2005
National Climate

National Climate Report for September 2005

October 2005
National Climate

National Climate Report for October 2005

November 2005
National Climate

National Climate Report for November 2005

Autumn 2005
National Climate

National Climate Report for September-November 2005

December 2005
National Climate

National Climate Report for December 2005

January 2006
National Climate

National Climate Report for January 2006

February 2006
National Climate

National Climate Report for February 2006

Winter 2006
National Climate

National Climate Report for December 2005-February 2006

March 2006
National Climate

National Climate Report for March 2006

April 2006
National Climate

National Climate Report for April 2006

May 2006
National Climate

National Climate Report for May 2006

June 2006
National Climate

National Climate Report for June 2006

July 2006
National Climate

National Climate Report for July 2006

August 2006
National Climate

National Climate Report for August 2006

September 2006
National Climate

National Climate Report for September 2006

October 2006
National Climate

National Climate Report for October 2006

November 2006
National Climate

National Climate Report for November 2006

December 2006
National Climate

National Climate Report for December 2006

Annual 2006
National Climate

National Climate Report for Annual 2006

January 2007
National Climate

National Climate Report for January 2007

February 2007
National Climate

National Climate Report for February 2007

March 2007
National Climate

National Climate Report for March 2007

April 2007
National Climate

National Climate Report for April 2007

May 2007
National Climate

National Climate Report for May 2007

June 2007
National Climate

National Climate Report for June 2007

July 2007
National Climate

National Climate Report for July 2007

August 2007
National Climate

National Climate Report for August 2007

September 2007
National Climate

National Climate Report for September 2007

October 2007
National Climate

National Climate Report for October 2007

November 2007
National Climate

National Climate Report for November 2007

December 2007
National Climate

National Climate Report for December 2007

Annual 2007
National Climate

National Climate Report for Annual 2007

January 2008
National Climate

National Climate Report for January 2008

February 2008
National Climate

National Climate Report for February 2008

March 2008
National Climate

National Climate Report for March 2008

April 2008
National Climate

National Climate Report for April 2008

May 2008
National Climate

National Climate Report for May 2008

June 2008
National Climate

National Climate Report for June 2008

July 2008
National Climate

National Climate Report for July 2008

August 2008
National Climate

National Climate Report for August 2008

September 2008
National Climate

National Climate Report for September 2008

October 2008
National Climate

National Climate Report for October 2008

November 2008
National Climate

National Climate Report for November 2008

December 2008
National Climate

National Climate Report for December 2008

Annual 2008
National Climate

National Climate Report for Annual 2008

January 2009
National Climate

National Climate Report for January 2009

February 2009
National Climate

National Climate Report for February 2009

March 2009
National Climate

National Climate Report for March 2009

April 2009
National Climate

National Climate Report for April 2009

May 2009
National Climate

National Climate Report for May 2009

June 2009
National Climate

National Climate Report for June 2009

July 2009
National Climate

National Climate Report for July 2009

August 2009
National Climate

National Climate Report for August 2009

September 2009
National Climate

National Climate Report for September 2009

October 2009
National Climate

National Climate Report for October 2009

November 2009
National Climate

National Climate Report for November 2009

December 2009
National Climate

National Climate Report for December 2009

Annual 2009
National Climate

National Climate Report for Annual 2009

January 2010
National Climate

National Climate Report for January 2010

February 2010
National Climate

National Climate Report for February 2010

March 2010
National Climate

National Climate Report for March 2010

April 2010
National Climate

National Climate Report for April 2010

May 2010
National Climate

National Climate Report for May 2010

June 2010
National Climate

National Climate Report for June 2010

July 2010
National Climate

National Climate Report for July 2010

August 2010
National Climate

National Climate Report for August 2010

September 2010
National Climate

National Climate Report for September 2010

October 2010
National Climate

National Climate Report for October 2010

November 2010
National Climate

National Climate Report for November 2010

December 2010
National Climate

National Climate Report for December 2010

Annual 2010
National Climate

National Climate Report for Annual 2010

January 2011
National Climate

National Climate Report for January 2011

February 2011
National Climate

National Climate Report for February 2011

March 2011
National Climate

National Climate Report for March 2011

April 2011
National Climate

National Climate Report for April 2011

May 2011
National Climate

National Climate Report for May 2011

June 2011
National Climate

National Climate Report for June 2011

July 2011
National Climate

National Climate Report for July 2011

August 2011
National Climate

National Climate Report for August 2011

September 2011
National Climate

National Climate Report for September 2011

October 2011
National Climate

National Climate Report for October 2011

November 2011
National Climate

National Climate Report for November 2011

December 2011
National Climate

National Climate Report for December 2011

Annual 2011
National Climate

National Climate Report for Annual 2011

January 2012
National Climate

National Climate Report for January 2012

February 2012
National Climate

National Climate Report for February 2012

March 2012
National Climate

National Climate Report for March 2012

April 2012
National Climate

National Climate Report for April 2012

May 2012
National Climate

National Climate Report for May 2012

June 2012
National Climate

National Climate Report for June 2012

July 2012
National Climate

National Climate Report for July 2012

August 2012
National Climate

National Climate Report for August 2012

September 2012
National Climate

National Climate Report for September 2012

October 2012
National Climate

National Climate Report for October 2012

November 2012
National Climate

National Climate Report for November 2012

December 2012
National Climate

National Climate Report for December 2012

Annual 2012
National Climate

National Climate Report for Annual 2012

January 2013
National Climate

National Climate Report for January 2013

February 2013
National Climate

National Climate Report for February 2013

March 2013
National Climate

National Climate Report for March 2013

April 2013
National Climate

National Climate Report for April 2013

May 2013
National Climate

National Climate Report for May 2013

June 2013
National Climate

National Climate Report for June 2013

July 2013
National Climate

National Climate Report for July 2013

August 2013
National Climate

National Climate Report for August 2013

September 2013
National Climate

National Climate Report for September 2013

October 2013
National Climate

National Climate Report for October 2013

November 2013
National Climate

National Climate Report for November 2013

December 2013
National Climate

National Climate Report for December 2013

Annual 2013
National Climate

National Climate Report for Annual 2013

January 2014
National Climate

National Climate Report for January 2014

February 2014
National Climate

National Climate Report for February 2014

March 2014
National Climate

National Climate Report for March 2014

April 2014
National Climate

National Climate Report for April 2014

May 2014
National Climate

National Climate Report for May 2014

June 2014
National Climate

National Climate Report for June 2014

July 2014
National Climate

National Climate Report for July 2014

August 2014
National Climate

National Climate Report for August 2014

September 2014
National Climate

National Climate Report for September 2014

October 2014
National Climate

National Climate Report for October 2014

November 2014
National Climate

National Climate Report for November 2014

December 2014
National Climate

National Climate Report for December 2014

Annual 2014
National Climate

National Climate Report for Annual 2014

January 2015
National Climate

National Climate Report for January 2015

February 2015
National Climate

National Climate Report for February 2015

March 2015
National Climate

National Climate Report for March 2015

April 2015
National Climate

National Climate Report for April 2015

May 2015
National Climate

National Climate Report for May 2015

June 2015
National Climate

National Climate Report for June 2015

July 2015
National Climate

National Climate Report for July 2015

August 2015
National Climate

National Climate Report for August 2015

September 2015
National Climate

National Climate Report for September 2015

October 2015
National Climate

National Climate Report for October 2015

November 2015
National Climate

National Climate Report for November 2015

December 2015
National Climate

National Climate Report for December 2015

Annual 2015
National Climate

National Climate Report for Annual 2015

January 2016
National Climate

National Climate Report for January 2016

February 2016
National Climate

National Climate Report for February 2016

March 2016
National Climate

National Climate Report for March 2016

April 2016
National Climate

National Climate Report for April 2016

May 2016
National Climate

National Climate Report for May 2016

June 2016
National Climate

National Climate Report for June 2016

July 2016
National Climate

National Climate Report for July 2016

August 2016
National Climate

National Climate Report for August 2016

September 2016
National Climate

National Climate Report for September 2016

October 2016
National Climate

National Climate Report for October 2016

November 2016
National Climate

National Climate Report for November 2016

December 2016
National Climate

National Climate Report for December 2016

Annual 2016
National Climate

National Climate Report for Annual 2016

January 2017
National Climate

National Climate Report for January 2017

February 2017
National Climate

National Climate Report for February 2017

March 2017
National Climate

National Climate Report for March 2017

April 2017
National Climate

National Climate Report for April 2017

May 2017
National Climate

National Climate Report for May 2017

June 2017
National Climate

National Climate Report for June 2017

July 2017
National Climate

National Climate Report for July 2017

August 2017
National Climate

National Climate Report for August 2017

September 2017
National Climate

National Climate Report for September 2017

October 2017
National Climate

National Climate Report for October 2017

November 2017
National Climate

National Climate Report for November 2017

December 2017
National Climate

National Climate Report for December 2017

Annual 2017
National Climate

National Climate Report for Annual 2017

January 2018
National Climate

National Climate Report for January 2018

February 2018
National Climate

National Climate Report for February 2018

March 2018
National Climate

National Climate Report for March 2018

April 2018
National Climate

National Climate Report for April 2018

May 2018
National Climate

National Climate Report for May 2018

June 2018
National Climate

National Climate Report for June 2018

July 2018
National Climate

National Climate Report for July 2018

August 2018
National Climate

National Climate Report for August 2018

September 2018
National Climate

National Climate Report for September 2018

October 2018
National Climate

National Climate Report for October 2018

November 2018
National Climate

National Climate Report for November 2018

December 2018
National Climate

National Climate Report for December 2018

Annual 2018
National Climate

National Climate Report for Annual 2018

January 2019
National Climate

National Climate Report for January 2019

February 2019
National Climate

National Climate Report for February 2019

March 2019
National Climate

National Climate Report for March 2019

April 2019
National Climate

National Climate Report for April 2019

May 2019
National Climate

National Climate Report for May 2019

June 2019
National Climate

National Climate Report for June 2019

July 2019
National Climate

National Climate Report for July 2019

August 2019
National Climate

National Climate Report for August 2019

September 2019
National Climate

National Climate Report for September 2019

October 2019
National Climate

National Climate Report for October 2019

November 2019
National Climate

National Climate Report for November 2019

December 2019
National Climate

National Climate Report for December 2019

Annual 2019
National Climate

National Climate Report for Annual 2019

January 2020
National Climate

National Climate Report for January 2020

February 2020
National Climate

National Climate Report for February 2020

March 2020
National Climate

National Climate Report for March 2020

April 2020
National Climate

National Climate Report for April 2020

May 2020
National Climate

National Climate Report for May 2020

June 2020
National Climate

National Climate Report for June 2020

July 2020
National Climate

National Climate Report for July 2020

August 2020
National Climate

National Climate Report for August 2020

September 2020
National Climate

National Climate Report for September 2020

October 2020
National Climate

National Climate Report for October 2020

November 2020
National Climate

National Climate Report for November 2020

December 2020
National Climate

National Climate Report for December 2020

Annual 2020
National Climate

National Climate Report for Annual 2020

January 2021
National Climate

National Climate Report for January 2021

February 2021
National Climate

National Climate Report for February 2021

March 2021
National Climate

National Climate Report for March 2021

April 2021
National Climate

National Climate Report for April 2021

May 2021
National Climate

National Climate Report for May 2021

June 2021
National Climate

National Climate Report for June 2021

July 2021
National Climate

National Climate Report for July 2021

August 2021
National Climate

National Climate Report for August 2021

September 2021
National Climate

National Climate Report for September 2021

October 2021
National Climate

National Climate Report for October 2021

November 2021
National Climate

National Climate Report for November 2021

December 2021
National Climate

National Climate Report for December 2021

Annual 2021
National Climate

National Climate Report for Annual 2021

January 2022
National Climate

National Climate Report for January 2022

February 2022
National Climate

National Climate Report for February 2022

March 2022
National Climate

National Climate Report for March 2022

April 2022
National Climate

National Climate Report for April 2022

May 2022
National Climate

National Climate Report for May 2022

June 2022
National Climate

National Climate Report for June 2022

July 2022
National Climate

National Climate Report for July 2022

August 2022
National Climate

National Climate Report for August 2022

September 2022
National Climate

National Climate Report for September 2022

October 2022
National Climate

National Climate Report for October 2022

November 2022
National Climate

National Climate Report for November 2022

December 2022
National Climate

National Climate Report for December 2022

Annual 2022
National Climate

National Climate Report for Annual 2022

January 2023
National Climate

National Climate Report for January 2023

February 2023
National Climate

National Climate Report for February 2023

March 2023
National Climate

National Climate Report for March 2023

April 2023
National Climate

National Climate Report for April 2023

May 2023
National Climate

National Climate Report for May 2023

June 2023
National Climate

National Climate Report for June 2023

July 2023
National Climate

National Climate Report for July 2023

August 2023
National Climate

National Climate Report for August 2023

September 2023
National Climate

National Climate Report for September 2023

October 2023
National Climate

National Climate Report for October 2023

November 2023
National Climate

National Climate Report for November 2023

December 2023
National Climate

National Climate Report for December 2023

Annual 2023
National Climate

National Climate Report for Annual 2023

January 2024
National Climate

National Climate Report for January 2024

February 2024
National Climate

National Climate Report for February 2024

March 2024
National Climate

National Climate Report for March 2024

April 2024
National Climate

National Climate Report for April 2024

May 2024
National Climate

National Climate Report for May 2024

June 2024
National Climate

National Climate Report for June 2024

July 2024
National Climate

National Climate Report for July 2024

August 2024
National Climate

National Climate Report for August 2024

September 2024
National Climate

National Climate Report for September 2024

October 2024
National Climate

National Climate Report for October 2024

November 2024
National Climate

National Climate Report for November 2024

December 2024
National Climate

National Climate Report for December 2024

Annual 2024
National Climate

National Climate Report for Annual 2024

January 2025
National Climate

National Climate Report for January 2025

FOLLOW US

@NOAANCEI
@NOAAData
@NOAANCEI
News Feed

CONTACT US

Email: ncei.info@noaa.gov
Phone: (828) 271-4800

NCEI Customer Experience Feedback Form

This survey is designed to measure your level of satisfaction with NCEI's Climate Monitoring Products. It consists of nine questions and should take approximately two to five minutes to complete.

If you have comments concerning the accessibility of our website, please submit your feedback on our accessibility page.

A red asterisk (*) indicates a required field.

Success

Thank you. Your feedback has been received.

Error

alert message

It was easy to complete what I needed to do. *

👍 Yes

👎 No

It took a reasonable amount of time to do what I needed to do. *

Select one

Strongly Disagree

Disagree

Neutral

Agree

Strongly Agree

I am satisfied with the information/service I received from NCEI. *

Select one

Strongly Disagree

Disagree

Neutral

Agree

Strongly Agree

To help us address your feedback, please share the web address/link (URL) of a page that you are referring to.

Paste link below:

This site is well organized *

Select one

Strongly Disagree

Disagree

Neutral

Agree

Strongly Agree

What is your primary reason for visiting this site? *

Which category best describes you? *

How often do you visit this site? *

If you were unable to accomplish your task, let us know why.

Select all that apply

The website was not user-friendly or easy to navigate

Technical difficulties

I couldn't find the information I was looking for

The site's design was confusing

The site did not support the browser or device I was using

Other

Enter other text

Do you have suggestions for improving this website? The more specific your response, the better we will be able to address your concerns. 1000 characters allowed

To provide feedback outside of the scope of this survey, please contact us at ncei.webmaster@noaa.gov.

This survey is designed to measure your level of satisfaction with the NCEI website. It consists of nine questions and should take approximately two to five minutes to complete. Please do not use this survey to provide comments on or responses to rules, notices, solicitations or other official agency actions. Any information you provide will be used to for the sole purpose of improving NOAA's digital products and services.

An official form of the United States government. Provided by Touchpoints
OMB Approval #0690-0030 · Expiration Date 07/31/2026