Custom Home Others, Drizzler 5" Rain Gauge - Mountable, The molded polystyrene stake allows for fence or post mounting (hardware is not included). Or simply insert it into the ground. It measures rainfall amounts up to 5" inches or 127 millimeters. This is a popular item for farm cooperatives or ag service businesses. The ad is reverse printed, so it's readable through the front of the rain gauge. ... #GP240RG $2.88/each.