Coldest Days of Winter

Map

Coldest Days of Winter

  • Published: Jan 6th, 2015

See when winter brings the coldest day of the year for different parts of the U.S.

Winter Temperature Trends

Map

Winter Temperature Trends

  • Published: Dec 3rd, 2014

Take a look at how winters have been warming across the continental U.S. from 1970 to 2013.

Winter Precipitation Trends

Map

Winter Precipitation Trends

  • Published: Dec 3rd, 2014

A graphical look at how winter precipitation has been trending across the U.S. from 1970 to 2013.

Frost Free Season is Getting Longer

Map

Frost Free Season is Getting Longer

  • Published: Oct 16th, 2014

All regions of the continental U.S. have seen the frost-free season, defined as the stretch between the last below-32°F reading in the spring and the first in the fall, grow longer.

Fall Temperature Trends

Map

Fall Temperature Trends

  • Published: Sep 4th, 2014

The big picture is clear: Overall, fall is warming across the U.S, 0.46F per decade since 1970.

Fall Precipitation Trends

Map

Fall Precipitation Trends

  • Published: Sep 4th, 2014

Fall precipitation has changed since the early 1970s, but unlike fall temperatures, the changes form more of a patchwork story.

Hottest Days of Summer

Map

Hottest Days of Summer

  • Published: Jul 30th, 2014

The hottest time of year in the continental U.S. statistically comes in mid-July, but the timing of peak heat varies across different parts of the country.

Summer Precipitation Trends

Map

Summer Precipitation Trends

  • Published: May 28th, 2014

When it comes to summertime precip., the wet are getting wetter and the dry are getting drier.