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Maximum-Minimum Temperature Sensor (MMTS) -National Weather Service type. The sensort is housed in a white "beehive" plastic shelter to reflect sunlight and has vents all around so that the air flows freely over the temperature sensor inside.
Maximum-Minimum Temperature Sensor (MMTS) -National Weather Service type. The digital readout allows the observer to read the temperatures from inside. This latest version records hourly temperatures as well as the exact time of the high and low temperature for the day.
Standard Rain Gauge - National Weather Service type. Used for measuring precipitation, simply insert the measuring stick and record the amount. Dump the water out of the can and you are ready for the next storm. Measures precipitation to the nearest 100th of an inch (0.01 inches).
Universal Gauge - National Weather Service type. Another way of measure precipitation on a continuous basis, this one weighs the amount of water collected and converts it to inches. The amount is recorded on paper.
Tipping Bucket Rain Gauge - National Weather Service type. This gauge uses a dual bucket assembly. Each bucket tips when one hundredth of an inch (0.01 inches) collects, tripping a mercury-reed sensor and providing a readout on an indoor counter.
4-Inch Diamter Gauge - CoCoRaHs Type. Very similar to the NWS Standard Rain Gauge, this much smaller gauge is made of tough plastic. The rainfall in the inner tube can be visually measured against calibrated markings. Compares favorably to the NWS Standard Rain Gauge.
Altimeter Setting Barometer- National Weather Service type. Used to measure the air pressure. In general, rising air pressure indicates fair weather while falling pressure indicates foul weather. Like many instruments, this one has been largely replaced by electronic sensors.
Ultrasonic Anemometer - National Weather Service type. Unlike a typical wind vane and anemometer combination, this instrument has no moving parts. Measures very small changes in ultrasound output to determine wind speed and direction.
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NWS 8" Standard Rain Gauge
NWS Universal Gauge
NWS Tipping Bucket Gauge
NWS Snow Boards
NWS/CoCoRaHS 4" Gauge
NWS MMTS (Max-Min Temperature System) Sesnor and Display
NWS 8" Altimeter Barometer
NWS 8" Ultrasonic Anemometer
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National Weather Service Snow Boards - The board on the left (already cleared of snow) measures new snow accumulation (to the nearest tenth of an inch) while the board on the right remains covered with snow in order to measure total snow depth (to the nearest inch). The flags help locate the boards.
From left to right: Standard Rain & Snow Gauge, Universal Precipitation Gauge, Tipping Bucket Rain Gauge, Max-Min Temperature System Sensor.
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