On June 26, 1921, Stambaugh in Iron County recorded a sizzling record high of 97 degrees. Bergland in Ontonagon County also set a record with a 93-degree reading. This hot day occurred at the tail-end of the warmest June on record at the time. It was a mere warm up for what would be the warmest month on record set in July 1921.
July 1921 was a hot one over the Upper Midwest (Image 1 above). The average temperature for the entire state of Wisconsin was 76 degrees??a record. In Marquette, the mean temperature hit 72.4??over 7 degrees above average. From 1875 through 1978, this is by far, the warmest month on record. After 1978, the National Weather Service (NWS) moved ??up the hill?? to Negaunee Township. By way of comparison, the warmest July at that site is 70.1 set in 1983. The last really warm July was two years ago; July 2012 ended with a mean temperature of 69.2 degrees.
What??s ahead for this July? Obviously, we will have our warm spells; the seventh month is the warmest one on average. However, if we buy the Climate Forecast System model produced by NOAA, we??ll prepare for a near average month temperature-wise (Image 2). That is right in line with what we??ve experienced the past couple of months here in Upper Michigan.