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You are here: GES DISC Home Hydrology Data Holdings Parameters NEAR SURFACE SPECIFIC HUMIDITY


Other Names



Near surface specific humidity is the ratio of the mass of water vapor within a given mass of air near the Earth’s surface. It is usually expressed in weight of the water vapor per unit weight of the air at specified temperature.


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GES DISC Datasets

To access products that have specific parameter click on the corresponding 'data access' links in the table below.

Parameter Units Platform /Instrument Data
Begin Date End Date Access Doc
Near Surface Specific Humidity Kg/Kg GLDAS Model 1979 present ftp Y
2-m above ground Specific humidity  Kg/Kg NLDAS Model 1979 present ftp Y

Other sources for data

  1. LDAS
  2. NCDC
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Last updated: Oct 06, 2011 11:53 AM ET