Hourly dewpoint temperature in degrees Fahrenheit and associated three-digit data-source flag, January 1, 1948 - September 30, 2018

The text file "Dewpoint temperature.txt" contains hourly dewpoint temperature data in degrees Fahrenheit and associated data-source flags from January 1, 1948, to September 30, 2018. The primary data for water year 2018 (a water year is the 12-month period, October 1 through September 30, designated by the calendar year in which it ends) were downloaded from the Argonne National Laboratory (ANL) (Argonne National Laboratory, 2018) and processed following the guidelines documented in Over and others (2010). The processed data were appended to ARGN17.WDM (Bera and Over, 2018) and renamed as ARGN18.WDM. Missing and apparently erroneous data values were replaced with adjusted values from nearby weather stations used as “backup”. The Midwestern Regional Climate Center (Midwestern Regional Climate Center, 2018) provided the hourly dewpoint temperature data collected by the National Weather Service at the station at O'Hare International Airport and was used as "backup". Each data source flag is of the form "xyz", which allows the user to determine its source and the methods used to process the data (Over and others, 2010). References Cited: Argonne National Laboratory, 2018, Meteorological data, accessed on October 10, 2018, at http://www.atmos.anl.gov/ANLMET/. Bera, M., and Over, T.M., 2018, Meteorological Database, Argonne National Laboratory, Illinois, January 1, 1948 - September 30, 2017: U.S. Geological Survey data release, ​https://doi.org/10.5066/F7H1318R. Midwestern Regional Climate Center, 2018, Meteorological data, accessed on October 12, 2018, at https://mrcc.illinois.edu/CLIMATE/. Over, T.M., Price, T.H., and Ishii, A.L., 2010, Development and analysis of a meteorological database, Argonne National Laboratory, Illinois: U.S. Geological Survey Open-File Report 2010-1220, 67 p., http://pubs.usgs.gov/of/2010/1220/.

                                            [
  "010:12"
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                                            {
  "fn": "Maitreyee Bera",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:mbera@usgs.gov"
}
                                        

                                            [
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    "title": "Original Metadata",
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                                            [
  "Argonne National Laboratory, Illinois",
  "DeKalb, Illinois",
  "DuPage County, Illinois",
  "O'Hare International Airport, Illinois",
  "St. Charles, Illinois",
  "USGS:5bcf4c63e4b0b3fc5cde1490",
  "data-source flag",
  "dewpoint temperature",
  "flood forecasting",
  "hydrology",
  "runoff"
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                                            {
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                                            [
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