The commercially available E-Z Read Jumbo Rain Gauge is a 24-inch-tall, 1¾-inch-wide, clear-plastic tube having brilliant yellow markings with a contrasting colored float. The rain accumulated in the tube is "read" by matching the float with the markings on the tube. Able to measure rainfall up to 5 inches, the gauge is calibrated so that 1 inch of rain raises the float 4 inches for easy reading. This product comes already assembled with instructions for easy mounting. The entry funnel is constructed to prevent leaves and other debris from getting into the measuring tube.