Roy Spencer, PhD.

Record Low Lake Mead: “Millennium Drought” or Inevitable Result of Demand Exceeding Supply?

UAH v6.1 Global Temperature Update for July, 2026: +0.48 deg. C

UAH v6.1 Global Temperature Update for June, 2026: +0.46 deg. C

UAH v6.1 Global Temperature Update for May, 2026: +0.53 deg. C

Pressure Causes Temperature? It’s Time to Climb Down from “Mount Stupid”

UAH v6.1 Global Temperature Update for April, 2026: +0.39 deg. C

The Urban Heat Island and Urban Cool Island: A Few Examples for U.S. Major Metropolitan Areas

UAH v6.1 Global Temperature Update for March, 2026: +0.38 deg. C

March 2026 Satellite Temperatures: Record Warmth in U.S., But Uneventful for the Northern Hemisphere

UAH v6.1 Global Temperature Update for February, 2026: +0.39 deg. C

UAH v6.1 Global Temperature Update for January, 2026: +0.35 deg. C

March, 2000: “Snowfalls are now just a thing of the past”

In Unrelated News: I’m Back Into Astrophotography

Tropical Tropospheric Temperature Trends, 1979-2025: The Epic Climate Model Failure Continues

Surface Air Temperature Trends, Climate Models vs Observations, 1979-2025

UAH v6.1 Global Temperature Update for December, 2025: +0.30 deg. C

The Record Hot UK Summer of 2025: Validation of the UKMO Methodology, but the Record Was Only in Tmin

Canada Summer Temperature Trends, 1900-2023: Part Deux

Canada Summer Daily Low Temperature Trends, 1900-2023

Canada Summer Daily High Temperature Trends, 1900-2023

UAH v6.1 Global Temperature Update for November, 2025: +0.43 deg. C

UAH v6.1 Global Temperature Update for October, 2025: +0.53 deg. C

Death Valley World Record of 134 deg. F Debunked in New Paper

UAH v6.1 Global Temperature Update for September, 2025: +0.53 deg. C

The Hottest Summer Days in the U.S. Have Barely Warmed in the Last 40 Years

The Hottest Summer Days in D.C. Have Not Gotten Hotter in Last 40 Years

UAH v6.1 Global Temperature Update for August, 2025: +0.39 deg. C

Notice of Availability: A Critical Review of Impacts of Greenhouse Gas Emissions on the U.S. Climate

UAH v6.1 Global Temperature Update for July, 2025: +0.36 deg. C

Some Thoughts on Our DOE Report Regarding CO2 Impacts on the U.S. Climate

133 Years of Texas Hill Country Heavy Rainfall Data Show No Trends

The DOE Scientific Report Underpinning the EPA’s Decision to Reconsider the 2009 Endangerment Finding on CO2

Big U.S. Climate Policy Changes To Be Announced Today