2024 Sets New Record for Warmest Year In Satellite Era (Since 1979) The Version 6.1 global average lower tropospheric temperature (LT) anomaly for December, 2024 was +0.62 deg. C departure from the 1991-2020 mean, down slightly from the November, 2024 anomaly of +0.64 deg. The Version 6.1 global area-averaged temperature trend (January 1979 through December … Continue reading UAH v6.1 Global Temperature Update for December, 2024: +0.62 deg. C