Climate at a Glance

Regional Mapping

Choose from the options below and click "Plot" to create a map. Select Temperature and Precipitation Maps are available for download.

Download Table Data: xml csv json
Download All Months/Years: xml csv json
Region Value Rank
(126 Years)
Pacific Northwest Basin33.6°F10030.4°F3.2°F
California River Basin48.8°F11545.3°F3.5°F
Great Basin36.7°F10632.6°F4.1°F
Lower Colorado River Basin46.3°F10243.4°F2.9°F
Upper Colorado River Basin28.6°F9325.6°F3.0°F
Rio Grande River Basin45.0°F7644.5°F0.5°F
Texas Gulf Coast River Basin47.7°F3749.9°F-2.2°F
Arkansas-White-Red Basin36.6°F3439.0°F-2.4°F
Lower Mississippi River Basin42.7°F1747.7°F-5.0°F
Missouri River Basin23.8°F6024.1°F-0.3°F
Souris-Red-Rainy Basin9.4°F669.8°F-0.4°F
Upper Mississippi River Basin18.1°F3221.9°F-3.8°F
Great Lakes Basin17.7°F3420.3°F-2.6°F
Tennessee River Basin34.0°F1240.2°F-6.2°F
Ohio River Basin25.3°F1731.9°F-6.6°F
South Atlantic-Gulf Basin44.5°F1449.5°F-5.0°F
Mid-Atlantic Basin25.3°F2328.9°F-3.6°F
New England Basin16.9°F4218.1°F-1.2°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published May 2020, retrieved on June 5, 2020 from