Low clouds matter most for albedo and sunlight reflection. They bounce a lot of sunlight back to space. Last year, low cloud cover decreased.

The Center for Astrophysics and Space Astronomy (CASA) is dedicated to advancing our understanding of the Universe in which we live through observations, theory, and the development of ground-based ...

The Pacific Decadal Oscillation describes the most important pattern of low-frequency climate variability in the North Pacific. An analysis of sea surface temperatures reveals that, since 2014, the ...

Find historical weather by searching for a city, zip code, or airport code. Include a date for which you would like to see weather history. You can select a range of dates in the results on the next ...