Weather stations currently used in the GISS Surface Temperature Analysis (v4). The size of the station markers is varied to reduce overplotting and is not indicative of any properties of that station.
The weather stations used in the GISS Surface Temperature Analysis (v4). In this analysis only stations with reasonably long, consistently measured time records are used. 20,924 stations are shown in this visualization. For more information on the station data, please visit https://data.giss.nasa.gov/gistemp/station_data_v4_globe/.