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 Basin22.4°F430.4°F-8.0°F
California River Basin42.7°F2045.3°F-2.6°F
Great Basin27.7°F1332.6°F-4.9°F
Lower Colorado River Basin44.4°F7343.4°F1.0°F
Upper Colorado River Basin21.8°F2325.6°F-3.8°F
Rio Grande River Basin43.8°F4744.5°F-0.7°F
Texas Gulf Coast River Basin44.8°F1249.9°F-5.1°F
Arkansas-White-Red Basin31.6°F839.0°F-7.4°F
Lower Mississippi River Basin44.1°F2647.7°F-3.6°F
Missouri River Basin14.0°F524.1°F-10.1°F
Souris-Red-Rainy Basin0.8°F109.8°F-9.0°F
Upper Mississippi River Basin14.1°F1421.9°F-7.8°F
Great Lakes Basin17.8°F3520.3°F-2.5°F
Tennessee River Basin39.0°F5040.2°F-1.2°F
Ohio River Basin29.6°F4031.9°F-2.3°F
South Atlantic-Gulf Basin50.9°F7949.5°F1.4°F
Mid-Atlantic Basin29.9°F7328.9°F1.0°F
New England Basin18.5°F5718.1°F0.4°F

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published May 2020, retrieved on May 25, 2020 from