Weather Station Data Categories

Research and Education Center

Label

Units

Year

 

Julian Day

Integer day number for the year

Time of Day

24-hour Clock

Minimum Temperature

˚Celsius

Minimum Temperature

˚Fahrenheit

Time of Minimum Temperature

24-hour Clock

Maximum Temperature

˚Celsius

Maximum Temperature

˚Fahrenheit

Time Maximum Temperature

24-hour Clock

Minimum Relative Humidity

Percentage %

Time of Minimum Relative Humidity

24-hour Clock

Maximum Relative Humidity

Percentage %

Time of Maximum Relative Humidity

24-hour Clock

Total Solar Radiation

Calories/centimeter2  

Total Net Solar Radiation

Calories/centimeter2 (80% of Total Solar)

Battery Voltage

Volts

Rainfall

Millimeters

Rainfall

Inches

Wind speed Average

Meters/Second in last Hour  

Wind Direction Average

Degrees

Mean Wind Vector

Magnitude

Maximum Wind Speed

Meters/second

Time of Maximum Wind Speed

24-hour Clock

Minimum Soil Temperature (2 inches Turf)

˚Celsius

Minimum Soil Temperature (2 inches Turf)

˚Fahrenheit

Time of Minimum Soil Temperature

24-hour Clock

Maximum Soil Temperature (2 inches Turf)

˚Celsius

Maximum Soil Temperature  (2 inches Turf)

˚Fahrenheit

Time Maximum Soil Temperature

24-hour Clock

Evaporation Gauge Level

Inches

New Evaporation

Inches

Cumulative Evaporation

Inches

Cumulative Rainfall

Inches

Cumulative Evaporation (Pan)

Inches

Pan Rainfall

Inches

Pan Fill Amount

Inches

Leaf Wetness

Tomato Leaf Index

Wind Speed 6-Hour Average

Meters/Second

Average Wind Direction 6-hour Average

Degrees

Standard Deviation of Wind Direction

 

Data are collected hourly using a Campbell 21X weather station located at the University of Delaware, Research and Education Center, Georgetown Delaware.