ThreadEx Revision History

• Datzilla and GHCN-Daily updates since 11.0 release.

• Initial 2016 release.
• Added data for 2015.
• Threads updated for ANC, CON, ILG, ILM, MLB, TLH and TOL.
• Several Datzilla updates since 10.1 release.

• Datzilla and GHCN-Daily updates since 10.0 release.

• Initial 2015 release.
• Added data for 2014.
• Threads updated for ANC, CSG, GTF, MLB, SEA.
• Several Datzilla updates since 9.3 release.

• Extensive Datzilla updates since 9.2 release.

• Records and coverage files built with ACIS Web Services (vs. old ACIS access methods).
• Coverage reports now count subsequent and accumulated values as missing.
• Fixes problem in 9.0 and 9.1 with ties not always assigned to most recent year.
• Fixes problem that allowed accumulations to be counted as a record.
• Datzilla updates since 9.1 release.

• Datzilla updates since 9.0 release.
• Text files updated.

• Initial 2014 release.
• Added data for 2013. Switched highest priority dataset to GHCN-Daily.
• PDT thread updated per Datzilla #2884.

• BRI - added data back to 10/1937.
• CHA - corrected station indexing in NCDC database; switched source for 1/1879-12/1927 to NCDC archived datasets.
• MKE - changed source from CRB to NCDC archived datasets for 1/1871-12/1899 and 5/1927-2/1941. Upon finding some errors in NCDC dataset, however, reverted to Version 8.0, which used CRB for these periods.
• OFK - changed source of 10/1945-12/1947 to NCDC archived datasets.
• More Datzilla updates.

• FCA - removed 6/1896-4/1899 from thread.
• BOI - changed id from coop to wban to assure airport data for period 1/1940 to present.
• CHA - added CRB data for 1/1879-12/1927 (re: Derek Eisentrout, Dec 2012).
• COS - reloaded NWS-supplied data for 1894-1947 following a number of error corrections (re: Michael Nosko, Nov 2012).
• DAY - changed identification of data from 06/1893 to 07/09/1911 as "DAYTON COOP" in web history (re: Michael Kurz, May 2012).
• ELY - changed start date to 4/1888 to get a couple more months of precipitation data (re: Datzilla #2024).
• GSO - set beginning of thread to 1/1903 (re: Clyde Locklear, Oct 2012).
• JAX - changed changeover date from WBO to AP to 1/1956 (re: Jason Hess, Mar 2012).
• LIT - extended record back to 1/1875 (re: Datzilla #1585).
• MKE - continue to use CRB as source for 1/1871-2/1941 due to COOP id 475484 not defined in NCDC metadata (data not available via Datzilla #1385).
• MQT - added data supplied by NWS for 5/1871-12/1947 (re: Kevin Crupi, Nov 2012).
• MSN - source from CRB to NCDC TD3200/3210 (data added via Datzilla #1422).
• MSP - insert data from NWS for period 11/2000-6/2004 (re: Datzilla #2694).
• PWM - changed changeover date from City to AP to 11/25/1940.
• SHV - changed changeover date from City to AP to 10/1941 using CRB for 7/1939-9/1941. Updated web history to include Downtown AP (re: Jason Hansford).
• SLC - changed changeover date from City to AP to 5/1928 using NWS supplied data for 5/1928-12/1947 (re: Christine Kruse, Oct 2012).
• STL - added some precipitation data for 1930-36 provided by NWS (re: Datzilla #3465).
• TUS - fixed changeover date from WBO to AP from 10/14/1948 to 10/15/1948 (re: Bill Noon, Feb 2013).
• Added data for 2012.
• Several Datzilla updates.

• EKO - Period of override to exclude GHCN-Daily bad temperature data extended through 1909.
• LSE - Inserted La Crosse WSO data for October 1985-January 1986.
• Several other Datzilla updates.

• AHN - Period 3/1857-1/1893 override to exclude GHCN-Daily Forts temperature data.
• BGR - Period 7/1928-8/1928 override to exclude GHCN-Daily bad temperature data.
• EKO - Period 2/1888-12/1899 override to exclude GHCN-Daily bad temperature data.
• FWA - Extended record back to 2/1897 and replaced CRB data with NCDC data.
• GLS - Changed start date of Scholes Field from 9/2000 to 1/1997.
• ILG - Period 1/1897-12/1916 override to exclude GHCN-Ddaily bad temperature data.
• JAX - Changed start date of airport data from 1/1948 to 4/1938.
• LIT - Use NCDC data for 5/1878-12/1896.
• MEI - Period 2/1905-5/1944 override to use NWS supplied data.
• MGM - Use NCDC data for 9/1872-12/1929.
• MLB - Use ASOS data for 2/2001-4/2010.
• TOP - Use NCDC data for 6/1887-3/1948.L/li>
• Added data for 2011.
• Several other Datzilla updates.
• Other changes are possible due to limited inclusion of NCDC GHCN-Daily dataset in ACIS (although TD-32xx datasets take precedence).

• BIH - Added data for 9/1943-12/1947.
• CAK - Inserted date-shifted data for 5/1914.
• HSE - Added CRB data for 1/1908-12/1947..
• LGA - Extended record back to 7/1940.
• MCO - Inserted newly keyed data for 1/1892-12/1947.
• RIC - Replaced data from 10/1887 through 12/1920 with newly keyed data from NCDC.
• SHV - Fixed typo in thread description (no change to data).
• Several other Datzilla updates.

• DAY - Added CRB data for WBO for 7/10/1911-6/30/1933 and 1/1/1935-3/31/1943.
• GNV - Added data for 7/1890-12/1902 to the beginning of the record.
• GRR - Changed data source to all NCDC archive data.
• MLB - New station - data back to 1937.
• OME - Inserted data from CRB for 1/1931-3/1949.
• Several other Datzilla updates.

• ACY - Replaced Atlantic City NAS 2/1/1945-6/15/1958 with Atlantic City WBO.
• AVL - Added Asheville Aston data for 3/1869-7/1876 and Ashville City for 8/1876-3/1902.
• CAK - Inserted date-shifted data for 6/30/1909-12/31/1913.
• DEN - Changed date of shift from City to Stapleton from 1/1948 to 1/1950 and inserted City CRB data for 1/1948-12/1949.
• MEI - Added CRB data for city office from 8/28/1889-1/31/1905.
• SGF - Used data from CRB for City 1/1897-12/1939 and Airport 1/1940-7/1940.
• Added data for 2010.
• Several other Datzilla updates.

• ALP - Updated station history.
• FLG - Changed date of move from city to airport to 1/12/1950.
• GNV - Inserted data for Gainesville 3WSW for period 6/1957-5/16/1960. (done May 2010)
• GRB - Inserted Green Bay city data from CRB for 9/1886-12/1947, followed by TD3210 city data for 1/1948-8/15/1949.
• GSO - Extended start of record back to 4/1892.
• GSP - Extended start of record back to 4/1884.
• HLN - Updated record to reflect WBO data through 4/1940.
• JNU - Added CRB data for airport and downtown stations for 1/1917-6/1948.
• LAX - Trimmed beginning of record from 1/1936 to 8/1944 at NWS request.
• LCH - Added NWS supplied data for 1/1895-12/1929 and updated station history, including dates of moves.
• LGB - Trimmed beginning fo record from 1/1949 to 4/1958 at NWS request.
• MCN - Added CRB data for Macon WBO for 4/8/1899-12/1929.
• SHR - Added CRB data for WBO and airport 5/1907-12/1947.
• SJT - Extended start of record back to 8/1907.
• SJU - Added CRB data from old San Juan city office for 11/1898-2/1950.
• SPS - Added NWS supplied data for 1/1907-10/1908 and CRB data for 1/1943-8/1946.
• Several other Datzilla updates.

• ACY - Added Atlantic City WB data for 1/1874-1/1945 to beginning of record.
• BGM - Changed beginning of record from 5/1/1951 to 7/25/1951.
• COS - Added data for April-June 1948.
• DBQ - Added Dubuque WB City data from CRB for 7/3/1873-3/31/1896.
• HSV - Day shifted max temps for 12/1911-4/1914.
• LAS - Changed date of shift from WB to AP from 9/5/1948 to 12/19/1948.
• LEX - Added CRB data for 10/24-10/31/1887.
• SEA - Removed City Office from thread. New start date is 1/1/1948.
• Several other Datzilla updates.
• Fixed bug in web interface displaying precipitation differences since last release.

• ALB - Use CRB for 1/1874 to 5/1938.
• BGR - New station - data back to 12/1925.
• BOI - Changed begin date from 2/1864 to 1/1875.
• CAK - Added CRB for 03/1887 to 04/1896.
• CDS - New station - data back to 1893.
• CLE - Changed data source from CRB to TD3200 for 1871 to 1947.
• CON - Use CRB for 1/1903 to 4/1941.
• CQT - Use CRB for 7/1877 to 12/1920.
• CRW - Use combination of Charleston and Wertz Field through Oct 1948; Airport thereafter.
• DEN - Added CRB data for 1872-1920.
• DRT - Changed start date from 1/1906 to 12/1905.
• EKO - Data source for 1910 through 1927 changed from CRB to NCDC archive.
• ELP - Removed max temperatures for 1879 through 1886.
• ELY - Data source for 10/12/1938 to 12/31/1947 changed from CRB to NCDC archive.
• FAR - Fixed typo in web thread description. No change to thread.
• FWA - Inserted CRB data from 5/20/1911 to 12/31/1947 into thread.
• GNV - Inserted data from Gainesville 3 WSW from 1970 to 1983 to fill gap.
• GNV - Extended end of Univ of Gainesville portion of thread from 4/30/1960 to 5/16/1960.
• GRR - Fixed typo in web thread description. No change to thread.
• LAX - Added CRB data for 1/1936 through 7/1944.
• LIT - Extended city record through 4/1942; added combination of city precipitation and airport temperatures for 5/1/1942 through 8/7/1942.
• MIA - Replaced WBO temperatures with AP temperatures for 3/1937 through 1/1939.
• MOB - Changed date of move from city to airport from 1/1951 to 1/1948.
• MQT - Used city station for 1948 though 1978 and airport thereafter.
• OFK - Added data from HPRCC for 10/1945 through 12/1947.
• OKC - Changed date of move from city to airport from 1/1948 to 1/1954.
• OMA - Updated NWS supplied data through 12/1947.
• PBI - Updated NWS supplied data 1888 through 1929
• RNO - Inserted CRB data for 11/11/1905 through 2/28/1937.
• SHV - Added CRB data for 10/1871 to 12/1929; identified 1/1930 to 6/1939 data as being recorded at city office.
• WMC - Data source for 7/1877 to 12/1927 changed from CRB to NCDC archive.
• Many Datzilla updates.
• Added data for 2009.
• Added option to web interface to see differences since last release.

• ACT - added corrections supplied by NWS, 12/1901-2/1940.
• BIG - added data to extend record back to 6/1917.
• BWI - restored Customs House data through 7/22/1950.
• CHS - replaced city office with airport data; record begins 3/1938.
• CRW - inserted airport data from NWS, 9/1941-4/1942.
• DFW - added corrections supplied by NWS, 9/1898-1/1940.
• DTW - started thread with 1874.
• EKN - added CRB data, 1899-1925 and 10/1959-3/1962.
• ERI - added city CRB data, 1/1948-7/1953.
• FNT - started thread with 1921.
• GRR - added CRB city data, 7/1903-12/1903.
• HSV - added NWS supplied data, 2/1894-3/1907 and 7/15/1954-8/30/1958.
• LAS - removed all city data and added airport data from CRB, 1/1937-8/1948.
• LBB - resolved station numbering issues.
• MDT - added airport data, 1939-1941.
• MFD - added CRB data, 1911-1928.
• MKE - added CRB data, 1871-1899.
• MSY - added NWS supplied data, 1947.
• RNO - added NCDC data, 1937-1948.
• TYS - added CRB data, 1871-1909.
• Datzilla updates.

• ABE - Added Allentown data from CRB 1/1939-12/1947. Removed Bethleham Lehigh University from thread.
• ABQ - Added Albuquerque WBO data, 12/1891-2/1931. Fixed station location for 3/1/1931-1/22/1933.
• ATT - Added Austin WBO data, 10/1926-7/1942. Fixed station numbering problems.
• AVP - Removed Wilkes Barre (36-9702) and replaced with CRB data for Scranton, 1901-1925. Corrected date of move from Scranton to Airport to 4/18/1955.
• BDL - Removed early Hartford data and began thread 1905. Replaced Hartford Bradley with Hartford Brainard, 1949-1954.
• BHM - Replaced existing data for Birmingham WBO with data from CRB, 4/1895-12/1903.
• BOI - Added Boise City data from CRB, 2/1864-12/1939.
• BOS - Extended NCDC portion of Boston City record back to 1893. Fixed station numbering problems.
• BUF - Fixed station numbering problem to properly identify city and airport portions of record.
• BWI - Replace Baltimore Customs House data with airport data 7/1/1939-7/22/1950.
• CLE - Added Cleveland WB City data from CRB, 1/1871-5/1941 and Airport data from CRB, 6/1941-12/1947. Fixed station numbering problems.
• COS - Added newly keyed data for Colorado Springs 11/1894-7/1947.
• CPR - Added Casper Wardwell Field data from CRB, 12/1939-12/1947.
• CVG - Fixed station numbering problems.
• DAB - Changed source of data for 1/1937-12/1947 to NCDC.
• DAL - Added Dallas WBO data for 10/15/1913-8/31/1940. Started Love Field portion of thread 9/1940. Fixed station numbering problems.
• DCA - Extended NWS contributed portion of data to 7/1941. Added WB City data from CRB, 8/1941-6/1945.
• EKO - Changed station location to Elko Railroad 2/1888-12/1929. Added CRB data for 1910-1927.
• ELY - Added CRB data, 10/12/1938-12/31/1947.
• ERI - Added CRB data, 5/25/1873-12/31/1925.
• FAT - Added NWS contributed Fresno WBO data, 9/1/1881-8/15/1887.
• GRI - Extensive modifications to thread to follow data source. Fixed station numbering problems.
• HSV - Changed starting date of thread to 4/1907. Added NWS contributed Huntsville AP data to replace Madison, 9/1/1958-10/20/1958.
• IAH - Replaced existing Houston WB City data with data provided by NWS, 7/1888-5/1969.
• ILG - Terminated Wilmington City Hall 12/31/1931 and inserted data for Wilmington Porter Reservoir, 1932-1947.
• JAN - Replaced Jackson 4NW with data from CRB, 1/1896-7/7/1963. Changed start date of airport data to 7/8/1963.
• JAX - Added Jacksonville WBO data from CRB, 9/1871-12/1920.
• LBB - Added data for Plainview 1/1911-3/1911. Fixed problems due to station numbering problems (airport now starts 1/1947).
• LIT - Replaced Little Rock Adams Field with Little Rock State Capital, 1/1897-3/1938. Fixed station numbering problems.
• LND - Added CRB data for 8/1/1891-5/28/1946.
• MAF - Removed Midland 4 ENE data from thread. Thread now starts 6/1930.
• MEI - Added NWS contributed data for Meridian WBO, 2/1905-5/1944.
• MLI - Added Davenport WBO data from CRB, 7/1871-12/1900.
• MOB - Extended WB City data through 12/1950 and started airport data 1/1951.
• MSN - Added Madison WB City data from CRB, 1/1869-10/1896.
• MSP - Fixed station numbering problems. Airport portion now begins 4/9/1938.
• MSY - Removed New Orleans WSFO City data from thread at NWS request and added some NWS contributed data. Thread now begins 5/1946.
• OKC - Added Oklahoma City WBO data from CRB, 11/1890-12/1947.
• ORH - Added NWS contributed data for Worcester City station, 1/1892-5/1892.
• PNS - Added Pensacola WBO data from CRB 11/1879-6/1948.
• PUB - Added Pueblo WBO 6/1888-6/1940 and Pueblo Municipal Airport 7/1940-12/1947 from CRB. Changed date of begining of Pueblo Memorial AP data to 6/16/1954.
• PWM - Fixed station numbering problem.
• RDU - Changed source of Raleigh Durham Airport data to NCDC, 4/18/1944-12/31/1947.
• RIC - Replaced Richmond Chimborazo data with NWS contributed data 1/1930-2/1939.
• SAN - Added data for 10/1850-12/1859 and 11/1871-6/1939. Fixed station numbering problems.
• STL - Added NWS contributed data for St Louis WBO, 1874-1892.
• TOL - Added Toledo City data from CRB 1/1871-1/1943 and data for Toledo Muni AP from CRB for 2/1943-12/1945. Changed start date for Toledo Express AP to 1/12/1955.
• TPA - Replaced St Petersburg data with Tampa WBO data, 4/1890-12/1940. Fixed station numbering problems.
• VCT - Added NWS contributed data for Victoria City, 6/1/1902-12/23/1946. Changed Victoria County Airport portion of thread to extend from 12/24/1946-6/30/1961.
• Many Datzilla updates.
• Added available data for 2008.

• Added Climate Record Books data for:
  • MKE - 5/1927-2/1941
  • PWM - 3/1/1871-11/6/1940
  • WMC - 7/1877-12/1927
• COU - corrected WBAN id for 1889 CRB data.
• CPR - added city data for 1/1/1948-3/8/1950.
• DAB - added airport data from NWS for 1/1937-12/1947.
• DAL - truncated beginning of data to 1/1948 (pending review of historical record).
• DFW - corrected date of move to Meacham Field from 1/1/1940 to 1/5/1940.
• FAR - added Moorhead WBO to beginning of record (1/1881-1/1942).
• FCA - added data from Kalispell coop station for 6/1896-4/1899.
• GRR - corrected data of move to new airport from 12/1/1963 to 11/24/1963.
• GSO - changed dates in thread to reflect move to airport in 11/1928.
• ICT - inserted data to fill gap for 1/1951-11/1953.
• MCI - adjusted thread to reflect city station location 01/1893-12/1933.
• MIA - extended record back to 9/1895 with data supplied by NWS.
• MOB - changed date of switch from city to airport data to 1/1951.
• MQT - indicated station move in thread.
• PIA - update station ids in thread.
• RDU - inserted airport data supplied by NWS for 5/18/1944-12/21/1947.
• RIC - updated station ids in thread and data added by NCDC.
• STC - added data for St Cloud Normal School/Reformatory for 3/1893-12/1939.
• SYR - updated station ids in thread.
• VTN - added data supplied by NWS for 07/1889-12/1947 and corrected date of move to airport.
• WMC - fixed date of station move to airport.
• YUM - added data supplied by NWS for 1876-1892 and 2/2/2007-11/6/2007.
• Datzilla updates.
• Added trace records (18-Feb-2008).
• Added data for 2007.

• Fixed bug involving incorrect display of + flag for previous occurrences in some situations.
• Text files were not updated for this release.

• Added Climate Record Books data for:
  • AMA 1892-1947
  • ANJ some missing data
  • AVL 1902-1946
  • BFF 1893-1906
  • BNA 1871-1947
  • CAE 1887-1947
  • CMH 1878-1896
  • COU few months
  • CVG 1871-1915
  • CYS 1871-1914
  • FAT some missing data
  • ILM 12/1870-12/1932, 8/1948-9/1951
  • LEX 10/1872-7/1896
  • MDT 1888-1925
  • MEM 1872-1927
  • MIA 6/1911-1/1947
  • MOB 1871-1929
  • PIT 1871-6/1945
  • ROC 1871-1/1926
  • SAV 1871-1948
• AUS - Added data supplied by NWS to fill gaps.
• CRW - Substituted data supplied by NWS for 01/1900-09/1948 to fill gaps.
• MIA - Added Lemon City data supplied by NWS for 1/1897-11/1900
• SAV - Inserted existing Hunter Field data for 1/1949-9/1950.
• PIT - Inserted Allegheny County Airport data for 7/1945-9/14/1952.
• ABE - Inserted Allentown Gas Company data for 1/1922-12/1947.
• AVP - Used Scranton record from 1926-1948 to fill part of temperature gap for Wilkes-Barre.
• ACY - Replaced Atlantic City city station with Atlantic City NAS for first part of thread.
• GRR - Added available data for 1892-1903.
• EVV - Changed start date to 1/1897.
• FAT - Changed start date to 8/16/1887.
• COU - Updated thread after researching station history.
• LYH - Adjusted thread for id changes.
• MDT - Adjusted thread for id changes.
• FSM - Adjusted thread for id changes.
• CVG - Adjusted date of change from Abbe Obs to Airport.
• DFW - Updated station id for Fort Worth City Office (no change in thread).
• SFO - Truncated thread to only use airport data beginning 7/1945 and changed name to San Francisco Airport Area.
• PDX - Truncated thread to only use airport data beginning 10/1940.
• PWM - Truncated thread to only use airport data beginning 11/7/1940.
• Datzilla updates.

• Added Climate Record Books data for:
  • ABI back to 1885
  • AGS back to 1871
  • ANJ back to 1888
  • BTV back to 1883
  • BUF back to 1871
  • CLT back to 1878
  • DDC back to 1874
  • DFW back to 1898
  • DTW back to 1871
  • EWR back to 1931
  • EYW back to 1871
  • FAT back to 1887
  • GLS back to 1871
  • GSP 1917-1929
  • HNL back to 1877
  • ICT back to 1888
  • MSY back to 1871
  • NYC back to 1871
  • RAP 8/1/1942-10/11/1950
  • RDU back to 1887
  • SFO 1871-1920
  • SLC back to 1874
  • STL 1930-1945
  • SYR back to 1902
• DBQ - updated to add missing data for 10/1981-8/1982.
• GUM - updated to add missing data for 4/1995-12/1997.
• Added 2006 records.
• Datzilla updates.
• Changed name: San Francisco to San Francisco County.
• Changed name: Greer to Greenville-Spartanburg.
• Added links to coverage graphs to variable drop-down list.

• AGS - updated thread to include Daniel Field for 4/1944-6/1950.
• AVL - updated thread to include station 310301 for 1/1947-8/1964.
• CVG - updated thread as requested by NWS.
• DFW - updated thread with corrected dates of station moves.
• FAT - updated thread with corrected dates of station moves.
• FCA - indicated date of station move from city to airport.
• FSM - added data supplied by NWS.
• GSP - indicated date of move from city office to downtown airport.
• HON - added data supplied by NWS.
• IPT - fixed thread to show 1945-1948 data supplied by NWS.
• EYW - updated thread with corrected date of station move
• MQT - added data for WBO so thread now follows WBO to WSO.
• MSN - changed date of move from city to airport to get temperature data for 1943-46.
• PIA - added data and filled some gaps.
• SDF - updated thread as requested by NWS.
• SFO - added some precipitation data from NWS for 1849-1871.
• SPI - updated thread as requested by NWS.
• Several Datzilla error corrections incorporated into ACIS database.
• Revised version of NCDC DSI-3210 loaded.
• Text files were not updated for this release.

• IPT - added data from NWS for early part of airport record.
• MDT - added data from NWS to extend record back to 1889.
• WAL - filled 1980-2003 gap in data coverage.
• ELP - fixed bad values on missing days.
• GRR - adjusted thread to use NCDC data 1/1892-12/1903.
• EYW - used Key West WB City for beginning of thread.
• PIA - replacing 1/1884-12/1892 data with more complete data from MRCC.
• STL - extended record back to 1893 using Eads Bridge.
• PAH - changed thread to begin 12/1937 per request from NWS.
• RIC - added data from NWS to extend airport record back to 1930 and Chimborazo/WB City back to 1887. (updated 9/28/2006)
• ORF - added data from NWS to extend record back to 1874.
• DTW - added data from NWS to extend record back to 1894 and updated thread.
• ANC - updated thread to use airport through 1997 and forecast office beginning 1998.
• TUL - added data from NWS to extend record back to 1893 (temperature to 1905).
• Several Datzilla error corrections incorporated into ACIS database.
• Text files (links below) updated.

• ORD - updated thread to match that used by NWS.
• FAI - added data supplied by NWS and updated thread.
• CRP - added data supplied by NWS and extended thread back to 1887.
• LSE - thread adjusted to include missing months - 2/1903, 3/1982.
• TOP - adjusted thread slightly to match NWS.
• FAT - adjusted start date to avoid bad data in July 1948.
• Several Datzilla error corrections incorporated into ACIS database.
• Added support for daily precipitation records of "a trace".
• Created text version of files grouped by NWS region:
  • Eastern Region - inventory file
  • Eastern Region - data file (3.6 MB)
  • Central Region - inventory file
  • Central Region - data file (4.3 MB)
  • Southern Region - inventory file
  • Southern Region - data file (3.9 MB)
  • Western Region - inventory file
  • Western Region - data file (2.9 MB)
  • Alaska Region - inventory file
  • Alaska Region - data file (1.2 MB)
  • Pacific Region - inventory file
  • Pacific Region - data file (908 KB)

• Added nine Pacific Island sites.
• BRW - changed start date to 1/1922.
• BIG - changed start date to 1/1941.
• OME - changed start date to 9/1906.
• ROA - changed start date to 1/1912.
• FAI - added station #509641 for 9/1904-6/1948.
• ORD - added NWS supplied data for 1/1871-5/1896.
• GRI - added NWS supplied data for 10/1895-12/1899.
• PIA - added NWS supplied data and extended record back.
• GRR - added NWS supplied data for 4/1892-7/1945.
• GRR - changed date of change from #203332 to #203333.
• MSP - corrected St Paul data from MN SC.
• MLI - removed part of thread for 1896-1900 (no metadata).
• SAT - added NWS supplied data to extend thread back to 1885.
• DRT - added NWS supplied data and changed thread to extend back to 1/1906.
• ATT - added NWS supplied data and adjusted thread.
• RFD - condensed thread to two stations.
• LNK - changed thread to include data supplied by HPRCC (Ken Dewey).
• DLH - added data from MN SC to extend thread back to 1871.
• RAP - corrected metadata inconsistency.
• MLI - corrected metadata inconsistency.
• OMA - corrected metadata inconsistency.

• Initial evaluation release of ThreadEx.