To measure the relative humidity, we used the Sling Thermometer.
You wet the cotton wick of the wet bulb thermometer then sling the thermometer. After the 'slinging' is done, you record the reading of both the wet and dry bulb. Since the wet bulb should always be lower than the dry, subtract the wet bulb reading from the dry - this gives you the relative humidity.
To measure the Surface Temperature we used the IRT.
To measure the Air Pressure, the Barometer was used.
We also measured the highest and lowest temperature.
The types of cloud and percentage of cloud coverage was also recorded (It was an Overcast Stratus, with no contrails)
YOu need to write up your results here - what you've written will be very useful for revision but I need to make sure you can do your data calculations as well
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