Hobolink CSV files are data files downloaded from the Onset Hobo Data Loggers, and contain original and complete data in csv files. Please note the number of columns and postion of the columns are not consistent across Hobolink CSV files.

Weather data from Weld Hill in Roslindale, MA are available from Feb 2012. The Arnold Arboretum harvests daily data from Hobolink and generates html/xml/csv/tab delmited text files in zipped format available for download. Please note there is a one hour data loss in Arboretum generated files when daylight saving ends in November.

Below is the description about columns in Hobolink csv files.

          dateFormat: M/d/y
          timeFormat: HH:mm:ss
          gmtOffset: -5"""

          Series Info:
          - name: "Pressure"
          type: value
          unitName: "inHg"
          OMClassName: OMPressure_HWS
          OMPartNumber: S-BPB-XXXX
          OMUnitIndex: 4
          OMChannelType: 4
          OMValuePattern: "###0.000;-###0.000"

          - name: "Wetness"
          type: value
          unitName: ""
          OMClassName: OMeasurementH21
          OMPartNumber: S-LWA-M003
          OMUnitIndex: 0
          OMChannelType: 21
          OMValuePattern: "###0.0;-###0.0"

          - name: "Voltage"
          type: value
          unitName: ""
          OMClassName: OMeasurementH21
          OMPartNumber: 91-U30-CVIA-XX
          OMUnitIndex: 0
          OMChannelType: 4
          OMValuePattern: "###0.000;-###0.000"

          - name: "Current"
          type: value
          unitName: ""
          OMClassName: OMeasurementH21
          OMPartNumber: 91-U30-CVIA-XX
          OMUnitIndex: 0
          OMChannelType: 4
          OMValuePattern: "###0.000;-###0.000"

          - name: "Solar Rad"
          type: value
          unitName: ""
          OMClassName: OMSolarRad_HWS
          OMPartNumber: S-LIB-XXXX
          OMUnitIndex: 0
          OMChannelType: 19
          OMValuePattern: "###0.;-###0."

          - name: "Wind Speed"
          type: value
          unitName: "mph"
          OMClassName: OMWindWCA_HWS
          OMPartNumber: S-WCA-XXXX
          OMUnitIndex: 2
          OMChannelType: 16
          OMValuePattern: "###0.0;-###0.0"

          - name: "Gust Speed"
          type: value
          unitName: "mph"
          OMClassName: OMWindWCA_HWS
          OMPartNumber: S-WCA-XXXX
          OMUnitIndex: 2
          OMChannelType: 16
          OMValuePattern: "###0.0;-###0.0"

          - name: "Wind Dir"
          type: value
          unitName: ""
          OMClassName: OMeasurementH21
          OMPartNumber: S-WCA-XXXX
          OMUnitIndex: 0
          OMChannelType: 16
          OMValuePattern: "###0.;-###0."

          - name: "Temp"
          type: value
          unitName: "*F"
          OMClassName: OMTemp12bit_HWS
          OMPartNumber: S-THB-XXXX
          OMUnitIndex: 1
          OMChannelType: 1
          OMValuePattern: "###0.00;-###0.00"

          - name: "RH"
          type: value
          unitName: ""
          OMClassName: OMRH_HWS
          OMPartNumber: S-THB-XXXX
          OMUnitIndex: 0
          OMChannelType: 2
          OMValuePattern: "###0.0;-###0.0"

          - name: "DewPt"
          type: value
          unitName: "*F"
          OMClassName: OMDewPoint_HWS
          OMPartNumber: S-THB-XXXX
          OMUnitIndex: 1
          OMChannelType: 6
          OMValuePattern: "###0.00;-###0.00"

          - name: "Temp - Soil"
          type: value
          unitName: "*F"
          OMClassName: OMTemp12bit_HWS
          OMPartNumber: S-TMB-XXXX
          OMUnitIndex: 1
          OMChannelType: 1
          OMValuePattern: "###0.00;-###0.00"

          - name: "Rain"
          type: value
          unitName: "in"
          OMClassName: OMRain_HWS
          OMPartNumber: S-RGA-M002
          OMUnitIndex: 1
          OMChannelType: 17
          OMValuePattern: "###0.00;-###0.00"

          - name: "Water Cont"
          type: value
          unitName: ""
          OMClassName: OMWaterContent_HWS
          OMPartNumber: S-SMC-M003
          OMUnitIndex: 0
          OMChannelType: 4
          OMValuePattern: "#,##0.0000;-#,##0.0000"

          - name: "Batt"
          type: value
          unitName: ""
          OMClassName: OMVoltage_PipeBattery
          OMPartNumber: U30 BATTERY
          OMUnitIndex: 0
          OMChannelType: 5
          OMValuePattern: "###0.00;-###0.00"
          logger: *1