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Parameter Descriptions |
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Weather Stations |
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Air Temperature
Air temperature, typically measured 2 m above the ground. (units = °C) |
Wind Speed
Velocity of wind measured 10 meters above the ground. (units = m/s & mph) |
Wind Direction
Direction from which the wind is blowing, measured 10 meters above the ground. (units = ° & compass) |
Relative Humidity
Amount of atmospheric moisture present relative to the total amount of moisture that the air can hold. (units = % of saturation) |
Precipitation
Total rainfall, snowfall, sleet... (units = mm of water) |
Photosynthetically Available Radiation (PAR)
Measurement of light available to plants for photosynthesis [wavelengths 400-700 nm]. (units = µmol quanta m-2 s-1) |
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