Arizona Temperatures

Arizona is experiencing some very hot temperatures. Today, June 18, 2016, the temperature is 110 deg F. (Update June 19 it got up to 115 deg F at 4pm.) Is the heat unusual?

AlltimeRcrdHighs_Tucson

Below are graphs showing maximum temperature averages by month and average temperatures by month according to NOAA. You can make your own graphs at the NOAA site: http://www.ncdc.noaa.gov/cag/
Keep in mind that 1997/1998 and 2015/2016 were strong El Nino years. Also keep in mind that NOAA has been systematically “adjusting” the temperature record to make the past cooler so that the present looks warmer see herehere and here.

According to the National Weather Service for data through 2015, Tucson’s record high was 117 deg F on June 26, 1990, Phoenix reached 122 deg on the same day. Yuma’s high was 124 on July 28, 1995.

Note that the temperatures below are averages for the state, not individual locations.

First Maximum temperatures by month from 1900 to 2016.

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Here are the monthly average temperatures for Arizona:

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