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: 2014-07-30Collection 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: 2014-07-30Collection 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 |
|---|---|---|---|
| DATE | Date | Date data were reported | Measurement type: DateTime Date/Time Format: M/D/YYYY |
| TIME | Time | Time data were reported | Measurement type: DateTime Date/Time Format: h:mm A |
| TEMP_OUT | Outside temperature | Average temperature reported after 30 minute intervals (collected every 15 seconds) | Measurement type: Interval Unit: degree Celsius Precision: 0.1 |
| HI_TEMP | Maximum temperature | highest temperature recorded in a 30 minute interval | Measurement type: Interval Unit: degree Celsius Precision: 0.1 |
| LOW_TEMP | Minimum temperature | Lowest temperature recorded in a 30 minute interval | Measurement type: Interval Unit: degree Celsius Precision: 0.1 |
| OUT_HUM | Outside 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_SPEED | Wind speed | Average wind speed reported at 30 minute intervals (collected every 15 seconds) | Measurement type: Ratio Unit: kilometers per hour Precision: 1 |
| WIND_DIR | Wind 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_RUN | Wind 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_SPEED | Maximum wind speed | Highest wind speed during 30 minute interval | Measurement type: Ratio Unit: kilometers per hour Precision: 1 |
| HI_DIR | Direction of wind when at its highest speed | Direction of wind when at its highest speed | Measurement type: Nominal |
| WIND_CHILL | wind chill | wind chill | Measurement type: Interval Units: Precision: 0.1 |
| HEAT_INDEX | Heat 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_INDEX | Temperature, 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_INDEX | Temperature, 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 |
| BAR | Barometric pressure | Measured every 15 seconds but reported every 30 minutes | Measurement type: Interval Unit: millimeter Precision: 0.001 |
| RAIN | Rainfall | 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_RATE | Rain 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_ENERGY | Solar 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_RAD | Maximum solar radiation | Maximum solar radiation measured during the 30 min interval | Measurement type: Interval Unit: watts per square meter Precision: 1 |
| UV_INDEX | UV index | Average UV measured reported at 30 minute intervals (collected every 15 seconds) | Measurement type: Interval Units: Precision: 0.1 |
| UV_Dose | UV Dose | Minimum Erythemal Dose of UV | Measurement type: Interval Units: Precision: 1 |
| HI_UV | Maximum UV | Highest UV reading during a 30 min interval | Measurement type: Interval Units: Precision: 0.1 |
| HEAT_D-D | Heating 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-D | Cooling 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_TEMP | Indoor temperature | Indoor temperature | Measurement type: Interval Unit: degree Celsius Precision: 0.1 |
| IN_HUM | Indoor humidity | Indoor humidity | Measurement type: Ratio Unit: percent Precision: 1 |
| IN_DEW | Indoor dew point | Indoor dew point | Measurement type: Interval Unit: degree Celsius Precision: 0.1 |
| In_Heat | In Heat | Measurement type: Interval Unit: degree Celsius Precision: 0.1 | |
| In_EMC | Indoor Equilibrium Moisture Content | Indoor Equilibrium Moisture Content | Measurement type: Interval Unit: percent Precision: 0.01 |
| In_Air_Density | Indoor air density | Indoor Equilibrium Moisture Content | Measurement type: Ratio Unit: kilogram per cubic meter Precision: 0.0001 |
| ET | Evapotranspiration | 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_MOIST | Soil moisture 2 | Soil moisture reading at a depth of 30cm | Measurement type: Interval Unit: kilopascal Precision: 1 |
| SOIL_TEMP1 | Soil temperature 1 | Soil temperature reading at a depth of 5cm | Measurement type: Interval Unit: degree Celsius Precision: 1 |
| SOIL_TEMP2 | Soil temperature 2 | Soil temperature reading at a depth of 10cm | Measurement type: Interval Unit: degree Celsius Precision: 1 |
| Wind_Samp | Number wind packets received during the archive interval | The umber wind packets received during the archive interval | Measurement type: Ratio Unit: millimeter Precision: 1 |
| Wind_TX | RF Channel for Wind Data | RF Channel for Wind Data | Measurement type: Nominal Unit: millimeter |
| ISS_Recept | ISS 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Uses 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: 2014-07-30Calculated 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: 2014-07-30Data 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: 2014-07-30Calculated 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: 2014-07-30Uses 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Measures 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Data 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: 2014-07-30Compares 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: 2014-07-30Calculated 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: 2014-07-30Soil 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: 2014-07-30Soil 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: 2014-07-30Reported 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: 2014-07-30Uses 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: 2014-07-30Uses 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: 2014-07-30If 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: 2014-07-30Measures "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: 2014-07-30Data 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