The U.S. government is closed. This site will not be updated; however, NOAA websites and social media channels necessary to protect lives and property will be maintained.

To learn more, visit commerce.gov.

For the latest forecasts and critical weather information, visit weather.gov.

Observation Sites

Select single site by:
or Select multiple sites by:
or by:

Reset

Yellow markers indicate discontinued sites

Dahlen, North Dakota, United States [DND]

site location map

Location

  • Country: United States Country Flag
  • Latitude: 47.5000° North
  • Longitude: 99.24° West
  • Elevation: 472.44 masl
  • Time Zone: Local Standard Time + 6.0 hour(s) = UTC

Data

Cooperating Agencies

  • FARGO JET CENTER
GML Projects at Dahlen, North Dakota

Carbon Cycle Airborne Flasks

Parameter Formula First Sample Date Status
Carbon Dioxide CO2 2004-09-21 Terminated - 2016-11-15
Methane CH4 2004-09-21 Terminated - 2016-11-15
Carbon Monoxide CO 2004-09-21 Terminated - 2016-11-15
Molecular Hydrogen H2 2004-09-21 Terminated - 2016-11-15
Nitrous Oxide N2O 2004-09-21 Terminated - 2016-11-15
Sulfur Hexafluoride SF6 2004-09-21 Terminated - 2016-11-15
Sulfur Hexafluoride SF6 2014-10-02 Terminated - 2016-11-15
Carbon-13/Carbon-12 in Carbon Dioxide d13C (CO2) 2007-04-17 Terminated - 2016-11-15
Oxygen-18/Oxygen-16 in Carbon Dioxide d18O (CO2) 2007-04-17 Terminated - 2016-11-15
Carbon-14/Carbon in Carbon Dioxide D14C (CO2) 2014-12-16 Terminated - 2016-08-15
HFC-134a CH2FCF3 2004-09-21 Terminated - 2016-11-15
HCFC-22 CHF2Cl 2004-09-21 Terminated - 2016-11-15
CFC-12 CCl2F2 2004-09-21 Terminated - 2016-11-15
Methyl Chloride CH3Cl 2006-01-23 Terminated - 2006-01-23
Methyl Chloride CH3Cl 2004-09-21 Terminated - 2016-11-15
CFC-114 CFC-114 2004-09-21 Terminated - 2016-11-15
HCFC-142b CH3CF2Cl 2004-09-21 Terminated - 2016-11-15
Halon-1211 CBrClF2 2004-09-21 Terminated - 2016-11-15
Methyl Bromide CH3Br 2004-09-21 Terminated - 2016-11-15
CFC-11 CCl3F (ion 101) 2004-09-21 Terminated - 2015-12-02
CFC-11 CCl3F (ion 103) 2010-06-29 Terminated - 2016-11-15
HCFC-141b CH3CCl2F 2004-09-21 Terminated - 2016-11-15
Methyl Iodide CH3I 2004-09-21 Terminated - 2016-11-15
CFC-113 CCl2FCClF2 2004-09-21 Terminated - 2016-11-15
Dichloromethane CH2Cl2 2004-09-21 Terminated - 2016-11-15
Chloroform CHCl3 2004-09-21 Terminated - 2016-11-15
Methyl Chloroform CH3CCl3 2004-09-21 Terminated - 2016-11-15
Methyl Chloroform CH3CCl3 2010-06-29 Terminated - 2012-10-15
Carbon Tetrachloride CCl4 2004-09-21 Terminated - 2016-11-15
Dibromomethane CH2Br2 2004-09-21 Terminated - 2016-11-15
Perchloroethylene (PCE) C2Cl4 2004-09-21 Terminated - 2016-11-15
Bromoform CHBr3 2004-09-21 Terminated - 2016-11-15
Benzene C6H6 2004-09-21 Terminated - 2016-11-15
Carbonyl Sulfide COS 2004-09-21 Terminated - 2016-11-15
HCFC-21 CHCl2F 2015-10-15 Terminated - 2016-11-15
HFC-152a CH3CHF2 2004-09-21 Terminated - 2016-11-15
HCFC-124 CHClFCF3 2004-09-21 Terminated - 2016-11-15
Toluene C7H8 2007-02-06 Terminated - 2016-11-15
Carbon Disulfide CS2 2004-09-21 Terminated - 2016-11-15
Ethane C2H6 2006-01-23 Terminated - 2006-01-23
Ethane C2H6 2014-10-02 Terminated - 2016-11-15
Ethene C2H4 2014-10-02 Terminated - 2016-11-15
Ethene C2H4 2006-01-23 Terminated - 2006-01-23
Propane C3H8 2007-02-06 Terminated - 2016-11-15
Propane C3H8 2006-01-23 Terminated - 2006-01-23
Propene C3H6 2006-01-23 Terminated - 2006-01-23
Propene C3H6 2014-10-02 Terminated - 2016-11-15
i-Butane i-C4H10 2014-10-02 Terminated - 2016-11-15
i-Butane i-C4H10 2006-01-23 Terminated - 2006-01-23
n-Butane n-C4H10 2006-01-23 Terminated - 2006-01-23
n-Butane n-C4H10 2007-02-06 Terminated - 2016-11-15
i-Pentane i-C5H12 2006-01-23 Terminated - 2006-01-23
i-Pentane i-C5H12 2007-02-06 Terminated - 2016-11-15
n-Pentane n-C5H12 2007-02-06 Terminated - 2016-11-15
n-Pentane n-C5H12 2006-01-23 Terminated - 2006-01-23
n-Hexane n-C6H14 2006-01-23 Terminated - 2006-01-23
n-Hexane n-C6H14 2014-10-02 Terminated - 2016-11-15
Ambient Pressure press 2004-09-21 Terminated - 2013-05-17
Relative Humidity rh 2007-06-05 Terminated - 2016-11-15
Halon-1301 CF3Br 2007-02-06 Terminated - 2016-11-15
Halon-2402 CBrF2CBrF2 2007-02-06 Terminated - 2016-11-15
HFC-143a CH3CF3 2007-02-06 Terminated - 2016-11-15
HFC-227ea CF3CHFCF3 2007-02-06 Terminated - 2016-11-15
HFC-365mfc CH3CF2CH2CF3 2007-02-06 Terminated - 2016-11-15
CFC-115 CClF2CF3 2007-02-06 Terminated - 2016-11-15
HFC-125 CHF2CF3 2007-02-06 Terminated - 2016-11-15
CFC-13 CClF3 2007-02-06 Terminated - 2016-11-15
Ethyl Chloride CH3CH2Cl 2007-02-06 Terminated - 2014-08-15
HFC-23 CHF3 2007-02-06 Terminated - 2016-11-15
PFC-218 C3F8 2007-06-21 Terminated - 2016-11-15
Acetylene C2H2 2007-06-21 Terminated - 2016-11-15
HFC-32 CH2F2 2009-04-06 Terminated - 2016-11-15
HFC-134 CHF2CHF2 2009-04-06 Terminated - 2016-11-15
Halon-1011 CH2BrCl 2014-10-02 Terminated - 2016-11-15
PFC-14 CF4 2014-10-02 Terminated - 2016-11-15
PFC-116 CF3CF3 2014-10-02 Terminated - 2016-11-15
Nitrogen Trifluoride NF3 2014-10-02 Terminated - 2016-11-15
Sulfuryl Fluoride SO2F2 2014-10-02 Terminated - 2016-11-15
HFC-236fa CF3CH2CF3 2014-10-02 Terminated - 2016-11-15
HCFC-133a CH2ClCF3 2015-10-15 Terminated - 2016-11-15
CFC-112 CCl3CClF2 2014-10-02 Terminated - 2016-11-15
Trichloroethylene (TCE) C2HCl3 2014-10-02 Terminated - 2016-11-15
HFO-1234yf CH2=CFCF3 2015-10-15 Terminated - 2016-11-15
HFO-1234zeE CHF=CHCF3 2015-10-15 Terminated - 2016-11-15
Ethylene Dichloride (1,2 DCE) CH2ClCH2Cl 2015-10-15 Terminated - 2016-11-15
HCFC-123 CHCl2CF3 2015-10-15 Terminated - 2016-11-15
Morpholine C5F11NO 2015-10-15 Terminated - 2016-11-15
Perfluorotriethylamine (PFTEA) (C2F5)3N 2015-10-15 Terminated - 2016-11-15
Perfluorotripropylamine (PFTPA) (C3F7)3N 2015-10-15 Terminated - 2016-11-15
HFC-245fa 2015-10-15 Terminated - 2016-11-15

Trace gases from GGGRN Airborne Flasks