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Checking Historical Temperature with Google Sheets

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I was back in Minnesota for the summer this year. The temperature really started to rise and I wondered if this was an anomaly, or if it was within the range of normal for July.  Then I wondered if temperatures were increasing. First I needed to get the data. A Google search for "Minnesota annual high temperature" led me to a site with the data I needed. <Example needed> Here I could use the IMPORTHTML function to pull the data to the sheet. There were actually two tables, so I needed to change the formula from 1 to 2. <Example needed> After importing the data, I copied it and pasted the values only. Then I could change the dates to year only (file>format>number), and moved the date column so it was to the left. From here, I was able to create a table. (file>insert>chart) Then, I thought I wanted the annual minimum temperature, so I repeated the process. My findings The high temperature for the years has somewhat remained stable, while the low temperat