Maximum/Minimum Temperature System (MMTS)
These items make up the MMTS (maximum/minimum temperature system). The digital display usually is found inside the cooperative observer's home and is usually read at 7:00 AM each morning. The readings are then reset for the next 24-hour period. It has a 35-day memory of high, low, and hourly temperatures. A 9-volt battery provides a backup for power outages.
The outside unit "bee hive" in coupled by a cable to the inside unit. The cable is buried. The outside unit is placed on an aluminum pole 4 to 6 feet above the grassy, ground level.
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