The burning question during the hottest weather in summertime in the past in N.D. was simply this: “How can we keep cool?” For farmers, there was no getting around the sweaty work of haymaking or wheat harvesting with temperatures in the high 80s or low 90s. Whenever there was no breeze, common flies and horseflies buzzed around the haymakers and sweat ran freely down the workers’ faces, causing them to pause frequently to wipe their brows with sleeves or handkerchiefs.