Temperature.Global calculates the current global temperature of the Earth. This graph shows the record of global average temperature anomalies compiled by NASA’s Goddard Institute for Space Studies. Temperature anomalies and percentiles are shown on the gridded maps below. New observations are entered each minute and the site is updated accordingly. (The global mean surface air temperature for that period was estimated to be 14°C (57°F), with an uncertainty of several tenths of a degree.) They depict how much various regions of the world have warmed or cooled when compared with a base period of 1951-1980. The current temperature is the 12M average mean surface temperature over the last 12 months compared against the 30 year mean. Global Temperature Trends From 2500 B.C. In these pathways global average temperature increases above pre-industrial are limited to below 1.6°C over the 21st century and below 1.5°C by 2100 (typically 1.3°C). The anomaly map on the left is a product of a merged land surface temperature (Global Historical Climatology Network, GHCN) and sea surface temperature (ERSST version 5) anomaly analysis.Temperature anomalies for land and ocean are analyzed separately and then merged to form the global … To 2040 A.D. By Climatologist Cliff Harris and Meteorologist Randy Mann Article and Chart Updated: April 8, 2020 Until late 2006, global temperatures were more than a degree Fahrenheit warmer when compared to the 20th Century average. The “zero” on this graph corresponds to the mean temperature anomaly from 1961-1990, as directed by the Intergovernmental Panel on Climate Change (IPCC). Global Average Temperature Anomalies. Temperature anomalies and percentiles are shown on the gridded maps below. Introduction. It uses unadjusted surface temperatures. (2016).Temperature anomalies for land and ocean are analyzed separately and then … Timeseries of global and hemispheric mean temperature anomalies as well as maps of the current year's data are available here.. Also see Tim Osborn's take on Ed Hawkin's famous temperature spiral.. For graphs (and data) of individual land grid cells or individual weather stations, use our CRUTEM Google Earth interface. Introduction. The global mean temperature in 2019 was estimated to be 1.28 °C (2.31 °F) above the average temperature of the late 19th century, from 1850-1900, a period often used as a pre-industrial baseline for global temperature targets. Graphs, maps and other visualisations. The maps above show temperature anomalies, or changes, not absolute temperature. The anomaly map on the left is a product of a merged land surface temperature (Global Historical Climatology Network, GHCN) and sea surface temperature (ERSST.v4) anomaly analysis as described in Huang et al.
GISS data show global average temperatures in 2017 rose 1.62 degrees Fahrenheit (0.9 degrees Celsius) above the 1951-1980 mean.