South Dakota among states where average summer temperature is increasing

RAPID CITY, SD – An analysis by the Associated Press of governmental and other weather records indicates that South Dakota is one of the states that has warmed the most during summer days over the past 30 years.

The analysis says that South Dakota has warmed 2.7 degrees over the last three decades of summers.

Wyoming also warmed by 2.7 degrees and Montana by 2.4 degrees.

The National Oceanic and Atmospheric Administration data also looked at the top states that warmed the most in summer at nighttime over the past 30 years. Nighttime lows are important for human  health because the body needs to recover from daytime high temperatures, experts say.

Top states with most warming in daytime
June, July and August increase in ºF , 1990-2020 trends of maximum and minimum temperatures
California  3.3ºF
Nevada   3.3ºF
New Mexico   3.3ºF
Colorado   3.0ºF
Oregon   3.0ºF
Utah   3.0ºF
Arizona   2.7ºF
South Dakota   2.7ºF
Wyoming   2.7ºF
Delaware   2.4ºF
Idaho   2.4ºF
Montana   2.4ºF
Texas   2.4ºF 

Top states with most warming overnight
Delaware   3.0ºF
New Jersey   3.0ºF
Arizona   2.7ºF
California   2.7ºF
Maryland   2.7ºF
Nevada   2.7ºF
New Mexico   2.7ºF
Connecticut   2.4ºF
Utah   2.4ºF
Florida   2.1ºF
Massachusetts   2.1ºF
Rhode Island   2.1ºF