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Show What's an Inch of RalnT The rain fell in buckets, the thunder racketed terribly, and the lightning drew zigzag lines ot bright gold upon the violet sky. "So you, too, don't know what an Inch of rain fi exactly," said the weather clerk, aa he looked at his rain measuring Instrument. "Very few people do, It seems. I'll explain It to you. "An acre Is 6,272,640 square Inches. An inch of water on an acre Is therefore there-fore 6,272,640 cubic Inches. That amount at 1ST cubic inches to the gallon, gal-lon, equals 22,000 gallons, or 220,000 pounds, or 100 tons. "An Inch ot rain Is, In other words, rain falling at the rate of 100 tons to the acre." Philadelphia Bulletin. |