Keep track of your garden's water intake! Easy to read gauge is clearly marked in both inches and millimeters. With its integral mount, your Cook's Garden rain gauge can be permanently fastened to a post or simply stuck in the ground wherever it is needed. 5 inches capacity (marked in both standard and metric). Sturdy plastic, it will hold up to many seasons worth of rain record keeping. The rain gauge in our garden is the first thing we check after a big downpour.