Details and Metadata

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Methods

The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures

Current Methods

  • Integrated Sensor Suite (ISS)
    Started: 2014-07-30

    Collection of data on rain, wind speed/direction, barometric pressure, air temperature, solar radiation and ultraviolet radiation.

    Instrumentation: Integrated Sensor Suite (ISS): Davis Instruments, Vantage Pro2 Plus, Model 6163.

  • Soil Station
    Started: 2014-07-30

    Collection of data on leaf wetness, soil temperature and soil moisture

    Instrumentation: Davis Instruments, Wireless Leaf & Soil Moisture/Temperature Station, Model 6345CS

Dataset Fields

Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data


Field Name Caption Description Additional Information
DATEDate

Date data were reported

Measurement type: DateTime
Date/Time Format: M/D/YYYY
TIMETime

Time data were reported

Measurement type: DateTime
Date/Time Format: h:mm A
TEMP_OUTOutside temperature

Average temperature reported after 30 minute intervals (collected every 15 seconds)

Measurement type: Interval
Unit: degree Celsius
Precision: 0.1
HI_TEMPMaximum temperature

highest temperature recorded in a 30 minute interval

Measurement type: Interval
Unit: degree Celsius
Precision: 0.1
LOW_TEMPMinimum temperature

Lowest temperature recorded in a 30 minute interval

Measurement type: Interval
Unit: degree Celsius
Precision: 0.1
OUT_HUMOutside humidity

Average humidity reported at 30 minute intervals (collected every 15 seconds)

Measurement type: Ratio
Unit: percent
Precision: 1
DEW_PT.Dew point

Calculated using temperature and humidity at the time dew point is reported (every 30 minutes)

Measurement type: Interval
Unit: degree Celsius
Precision: 0.1
WIND_SPEEDWind speed

Average wind speed reported at 30 minute intervals (collected every 15 seconds)

Measurement type: Ratio
Unit: kilometers per hour
Precision: 1
WIND_DIRWind direction

If wind speed is greater than 0 when the WeatherLink samples wind direction, it places a "marker" into one of sixteen "bins" that correspond to the sixteen compass points. At the time of the archive, the WeatherLink determines which bin contains the most markers

Measurement type: Nominal
WIND_RUNWind run

Measures "amount" of wind passing the station during a given period of time. Calculated by multiplying average wind speed with archive interval (30 min)

Measurement type: Interval
Unit: kilometer
Precision: 0.5
HI_SPEEDMaximum wind speed

Highest wind speed during 30 minute interval

Measurement type: Ratio
Unit: kilometers per hour
Precision: 1
HI_DIRDirection of wind when at its highest speed

Direction of wind when at its highest speed

Measurement type: Nominal
WIND_CHILLwind chill

wind chill

Measurement type: Interval
Units:
Precision: 0.1
HEAT_INDEXHeat index

Calculated using temperature and relative humidity at the time heat index is reported (every 30 minutes)

Measurement type: Interval
Unit: degree Celsius
Precision: 0.1
THW_INDEXTemperature, humidity, wind index

uses humidity, temperature and wind to calculate an apparent temperature that incorporates the cooling effects of wind on our perception of temperature

Measurement type: Interval
Unit: degree Celsius
THSW_INDEXTemperature, humidity, sun, wind index

uses humidity, temperature, the cooling effects of wind and the heating effects of direct solar radiation to calculate an apparent temperature

Measurement type: Interval
Unit: degree Celsius
BARBarometric pressure

Measured every 15 seconds but reported every 30 minutes

Measurement type: Interval
Unit: millimeter
Precision: 0.001
RAINRainfall

compares the current total rain value to the previous total rain entry in the archive to determine the amount of rainfall that occurred during the 30 min interval

Measurement type: Ratio
Unit: millimeter
Precision: 0.01
RAIN_RATERain rate

calculated by measuring the time interval between each rainfall increment. When there is rainfall within the archive period, the highest measured value is reported. When no rainfall occurs, the rain rate will slowly decay based on the elapse time since the last measured rainfall

Measurement type: Ratio
Units:
Precision: 0.01
Solar_Rad_Solar Radiation

Average solar radiation reported at 30 minute intervals (collected every 15 seconds)

Measurement type: Interval
Unit: watts per square meter
Precision: 1
SOLAR_ENERGYSolar energy

Reported as amount of accumulated solar radiation energy over a period of time measured in Langleys

Measurement type: Interval
Unit: watts per square meter
Precision: 0.01
HI SOLAR_RADMaximum solar radiation

Maximum solar radiation measured during the 30 min interval

Measurement type: Interval
Unit: watts per square meter
Precision: 1
UV_INDEXUV index

Average UV measured reported at 30 minute intervals (collected every 15 seconds)

Measurement type: Interval
Units:
Precision: 0.1
UV_DoseUV Dose

Minimum Erythemal Dose of UV

Measurement type: Interval
Units:
Precision: 1
HI_UVMaximum UV

Highest UV reading during a 30 min interval

Measurement type: Interval
Units:
Precision: 0.1
HEAT_D-DHeating degree days

Uses an integration method, where the software calculates degree-days using the average temperature (above a base threshold) for an interval and the interval time

Measurement type: Interval
Units:
Precision: 0.001
COOL_D-DCooling degree days

Uses an integration method, where the software calculates degree-days using the average temperature (below a base threshold) for an interval and the interval time

Measurement type: Interval
Units:
Precision: 0.001
IN_TEMPIndoor temperature

Indoor temperature

Measurement type: Interval
Unit: degree Celsius
Precision: 0.1
IN_HUMIndoor humidity

Indoor humidity

Measurement type: Ratio
Unit: percent
Precision: 1
IN_DEWIndoor dew point

Indoor dew point

Measurement type: Interval
Unit: degree Celsius
Precision: 0.1
In_HeatIn Heat

Measurement type: Interval
Unit: degree Celsius
Precision: 0.1
In_EMCIndoor Equilibrium Moisture Content

Indoor Equilibrium Moisture Content

Measurement type: Interval
Unit: percent
Precision: 0.01
In_Air_DensityIndoor air density

Indoor Equilibrium Moisture Content

Measurement type: Ratio
Unit: kilogram per cubic meter
Precision: 0.0001
ETEvapotranspiration

Evapotranspiration

Measurement type: Ratio
Unit: millimeter
Precision: 0.001
SOIL 1_MOIST.Soil moisture 1

Soil moisture reading at a depth of 10cm

Measurement type: Interval
Unit: kilopascal
Precision: 1
SOIL 2_MOISTSoil moisture 2

Soil moisture reading at a depth of 30cm

Measurement type: Interval
Unit: kilopascal
Precision: 1
SOIL_TEMP1Soil temperature 1

Soil temperature reading at a depth of 5cm

Measurement type: Interval
Unit: degree Celsius
Precision: 1
SOIL_TEMP2Soil temperature 2

Soil temperature reading at a depth of 10cm

Measurement type: Interval
Unit: degree Celsius
Precision: 1
Wind_SampNumber wind packets received during the archive interval

The umber wind packets received during the archive interval

Measurement type: Ratio
Unit: millimeter
Precision: 1
Wind_TXRF Channel for Wind Data

RF Channel for Wind Data

Measurement type: Nominal
Unit: millimeter
ISS_ReceptISS reception

ISS reception

Measurement type: Ratio
Unit: percent
Precision: 1
Arc__Int_Archival Interval

How often the datalogger collects data

Measurement type: Ratio
Unit: minute
Precision: 1

Sampling Equipment

Equipment and software used to collect data, including how that equipment was used.

Current Equipment

  • Average solar radiation (SOLAR_RAD.)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Average UV Index (UV_INDEX)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Barometric Pressure (BAR)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Cooling degree days (COOL_D-D)
    Started: 2014-07-30

    Uses an integration method, where the software calculates degree-days using the average temperature (below a base threshold)for an interval and the interval time. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Dew Point (DEW_PT.)
    Started: 2014-07-30

    Calculated using temperature and humidity. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Direction of wind when at highest speed (HI_DIR)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Heat Index (HEAT_INDEX)
    Started: 2014-07-30

    Calculated using temperature and relative humidity. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes

  • Heating degree days (HEAT_D-D)
    Started: 2014-07-30

    Uses an integration method, where the software calculates degree-days using the average temperature (above a base threshold) for an interval and the interval time. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Indoor dew point (IN_DEW)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Indoor humidity (IN_HUM)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Indoor temperature (IN_TEMP)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Leaf Wetness (LEAF_WET1)
    Started: 2014-07-30

    Measures the conductivity across the grid and displays the results as moisture level, scaled from 0 to 15. Data collected via Soil Station. Davis Instruments, Wireless Leaf & Soil Moisture/Temperature Station, Model 6345CS.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Maximum solar radiation (HI SOLAR_RAD.)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Maximum Temperature (HI_TEMP)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Maximum UV (HI_UV)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Maximum Wind Speed (HI_SPEED)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Minimum temperature (LOW_TEMP)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes

  • Outside humidity (OUT_HUM)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Outside Temperature (TEMP_OUT)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Rainfall (RAIN)
    Started: 2014-07-30

    Compares the current total rain value to the previous total rain entry in the archive to determine the amount of rainfall that occurred during the 30 minute interval. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Rainfall Rate (RAIN_RATE)
    Started: 2014-07-30

    Calculated by measuring the time interval between each rainfall increment. When there is rainfall within the archive period, the highest measured value is reported. When no rainfall occurs, the rain rate will slowly decay based on the elapse time since the last measured rainfall. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Soil Moisture (SOIL 1_MOIST)
    Started: 2014-07-30

    Soil moisture reading at a depth of 5 cm. Data collected via Soil Station. Davis Instruments, Wireless Leaf & Soil Moisture/Temperature Station, Model 6345CS.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Soil Moisture (SOIL2_MOIST)
    Started: 2014-07-30

    Soil temperature reading at a depth of 10 cm. Data collected via Soil Station. Davis Instruments, Wireless Leaf & Soil Moisture/Temperature Station, Model 6345CS.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Solar Energy (SOLAR_ENERGY)
    Started: 2014-07-30

    Reported as amount accumulated solar radiation energy over a period of time measured in Langleys. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Temperature, humidity, sun, wind index (THSW_INDEX)
    Started: 2014-07-30

    Uses humidity, temperature, the cooling effects of wind and the heating effects of direct solar radiation to calculate an apparent temperature. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Temperature, humidity, wind index (THW_INDEX)
    Started: 2014-07-30

    Uses humidity, temperature and wind to calculate an apparent temperature that incorporates the cooling effects of wind on our perception of temperature. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes

  • Wind Direction (WIND_DIR)
    Started: 2014-07-30

    If wind speed is greater than 0 when the WeatherLink samples wind direction, it places a "marker" into one of sixteen "bins" that correspond to the sixteen compass points. At the time of the archive, WeatherLink determines which bin contains the most markers and writes the corresponding wind direction to the archive memory as the dominant wind direction. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Wind Run (WIND_RUN)
    Started: 2014-07-30

    Measures "amount" of wind passing the station during a given period of time. Calculated by multiplying average wind speed with archive interval. Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

  • Wind Speed (WIND_SPEED)
    Started: 2014-07-30

    Data collected via Integrated Sensor Suite (ISS). Davis Instruments, Vantage Pro2 Plus, Model 6163.

    Frequency: Collected every 15 seconds, reported every 30 minutes.

Site Characteristics

The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection

  • Site Description

    This weather station at the Louis Calder Center is in a forested area at an elevation of 118 meters. GPS coordinates for the site are: 41.127030, -73.729997