The Oregon Scientific wireless Rain Gauge & Self Emptying Cup. $49.95. So much technology, eh? Sheesh! Here we stick a milk bottle outside the back door and if it’s full in 10 minutes we know it’s raining. Not self emptying of course.
Rain gauge module measures and displays daily rainfall accumulation and 9-day historical record…Wireless rain cup automatically empties (included)…Reset feature monitors total rainfall over any time period since last reset