Global temperature map by month

Air temperatures on Earth have been rising since the Industrial Revolution. While natural variability plays some part, the preponderance of evidence indicates that human activities—particularly emissions of heat-trapping greenhouse gases—are mostly responsible for making our planet warmer, global temperature map by month. The majority of the warming has occurred sinceat a rate of roughly 0.

Yearly surface temperature compared to the 20th-century average from — Blue bars indicate cooler-than-average years; red bars show warmer-than-average years. NOAA Climate. The roughly 2-degree Fahrenheit 1 degrees Celsius increase in global average surface temperature that has occurred since the pre-industrial era in NOAA's record might seem small, but it means a significant increase in accumulated heat. That extra heat is driving regional and seasonal temperature extremes , reducing snow cover and sea ice , intensifying heavy rainfall, and changing habitat ranges for plants and animals —expanding some and shrinking others.

Global temperature map by month

The maps and graphs in this section are based on pre-release data from ECMWF's ERA-Interim reanalysis and therefore are subject to change should a significant production problem be found to have occurred. The release of the maps and charts usually happens a few days after the last observations of each month have been made but the underlying data products are not made publicly available until they have been checked. In addition, the pre-release ERA-Interim data used in the monthly summaries for March and April were reduced by 0. Pre-release values for February were also affected slightly by this error. Final ERA-Interim data for public release have subsequently been produced by rerunning the period in question using corrected SST data. The final values for February and March are used in the monthly summaries from May onwards. Temperature anomalies larger than this can occur locally, especially at high latitudes in winter associated with anomalous sea-ice extent. The global averages shown in the graphs are taken over all types of surface. From the October summary onward, a new software suite is used to create all charts. This leads to minor differences in the displayed values, but does not affect the resulting analysis and statements. The monthly information is from ERA-Interim , a reanalysis for the period from to the present. ERA-Interim combines information from meteorological observations with background information from a forecast model, using the data assimilation approach developed for numerical weather prediction. The atmospheric observing system underwent several improvements leading up to

Thanks to Andrew Leventis for locating this for me. The atmospheric observing system underwent several improvements leading up to Global Carbon Project.

Unlike the climate charts on this site, which are all original, these maps were adapted from others found on the web. The temperature and rainfall maps are somewhat modified output from climate mapping software available from the UN FAO Sustainable Development Department. See the Index Map for a quick interface to the 's of climate charts on this site. The original scale units are degrees Centigrade, the conversion to Fahrenheit is approximate. Predicted temperature increase from the baseline period of to From the Hadley Centre. Also see About the Global Warming Data on this site for a discussion of how this map is used in our location pages.

Air temperatures on Earth have been rising since the Industrial Revolution. While natural variability plays some part, the preponderance of evidence indicates that human activities—particularly emissions of heat-trapping greenhouse gases—are mostly responsible for making our planet warmer. The majority of the warming has occurred since , at a rate of roughly 0. The maps above show temperature anomalies in five-year increments since Click on the arrow to run the animation. These are not absolute temperatures, but changes from the norm for each area. The data reflect how much warmer or cooler each region was compared to a base period of

Global temperature map by month

In the atmosphere, millibar height pressure anomalies correlate well with temperatures at the Earth's surface. The average position of the upper-level ridges of high pressure and troughs of low pressure—depicted by positive and negative millibar height anomalies on the September map, is generally reflected by areas of positive and negative temperature anomalies at the surface, respectively. Temperature anomalies and percentiles are shown on the gridded maps below. Temperature anomalies for land and ocean are analyzed separately and then merged to form the global analysis. The percentile map on the right provides additional information by placing the temperature anomaly observed for a specific place and time period into historical perspective, showing how the most current month, season or year compares with the past. The global surface temperature for September was 0.

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From the October summary onward, a new software suite is used to create all charts. Romero eds. These recent record values exceed pre record values by much more than the estimated uncertainties in the data values. World of Change: Global Temperatures. Data Type. Scroll up to see the Temperature Map. Choosing instead the first fifty years for which HadCRUT4 provides values, , as the "pre-industrial" reference period gives a median estimate for that is 1. Fossil CO2 emissions at record high in The likely range of total human-caused global surface temperature increase from — to — is 0. A five-degree drop was enough to bury a large part of North America under a towering mass of ice 20, years ago. The increase in average temperature from to ranges from close to 0. Search Location. Uncertainties arise from regions where there are few direct temperature measurements, especially over the Arctic and Antarctic where variability from year to year is high. The monthly information is from ERA-Interim , a reanalysis for the period from to the present.

Find out about measuring, modeling, and predicting climate and ways to find and use climate data.

Climate at a Glance. Return to top of page Global Warming Predicted temperature increase from the baseline period of to Fossil fuel use also increased after the war 5 percent per year , boosting greenhouse gases. The same is found for the JRA reanalysis. Temperatures might rise 5 degrees in one region and drop 2 degrees in another. Comparing global temperature datasets helps to identify where and when they provide reliable information. This means that some parts of Earth are quite cold while other parts are downright hot. Global Warming. Global Carbon Project. High Temps.