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
(124 Years)
Pacific Northwest Basin30.7°F10128.2°F2.5°F
California River Basin44.2°F7243.6°F0.6°F
Great Basin31.4°F7430.2°F1.2°F
Lower Colorado River Basin41.5°F7041.0°F0.5°F
Upper Colorado River Basin24.8°F8123.2°F1.6°F
Rio Grande River Basin43.2°F8742.1°F1.1°F
Texas Gulf Coast River Basin48.6°F7648.0°F0.6°F
Arkansas-White-Red Basin37.0°F5936.8°F0.2°F
Lower Mississippi River Basin45.3°F4446.1°F-0.8°F
Missouri River Basin22.0°F5222.2°F-0.2°F
Souris-Red-Rainy Basin3.9°F168.3°F-4.4°F
Upper Mississippi River Basin17.5°F1920.6°F-3.1°F
Great Lakes Basin17.3°F1521.1°F-3.8°F
Tennessee River Basin37.7°F3739.1°F-1.4°F
Ohio River Basin29.1°F2831.2°F-2.1°F
South Atlantic-Gulf Basin47.6°F4548.4°F-0.8°F
Mid-Atlantic Basin25.9°F1229.1°F-3.2°F
New England Basin15.6°F1418.7°F-3.1°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published February 2020, retrieved on February 19, 2020 from