Cast on 40 stitches. Use colors and instructions for getting daily high temperatures as described at this link.

Green Bay, WI - 1962 - done
Green Bay, WI - 2012
West Palm Beach, FL - 1987 - in progress
West Palm Beach, FL - 2012

I mostly carried yarn up the sides until I didn’t need the color any more.

November 2019: Finished first tempestry and instead of the dreaded weaving in of the remaining ends, I felted the whole thing and then cut off the ends after felting. I like it.

Tip: Instead of printing the worksheet, copy/paste date and color columns from Google sheet into a checklist in the iPhone notes app.