AMS Climate at a Glance Application
Select start year of initial 30-year data Sample A first and then select data Sample B:
Sample A:
Sample B:
t-Score =
Statistically significant at 95% confidence level (IPCC "Extremely likely")?
Copyright© 2016 American Meteorological Society. Developed by Ira Geer, Robert Weinbeck and Bernard Blair (AMS), Tom Whittaker (University of Wisconsin - Madison), with assistance from Derek Arndt, Jesse Enloe, and Frank Niepold (NOAA).
Data provided by NOAA's National Centers for Environmental Information (http://www.ncdc.noaa.gov/cag/)