OPeNDAP Data Access Form for MERRA2.statM_2d_edi_Nx.v2_1.198305.nc4
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dataset: MERRA2.statM_2d_edi_Nx.v2_1.198305.nc4

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Data URL
Global Attributes
  • HDF5_GLOBAL
    • ShortName: M2SMNXEDI
    • LongName: MERRA-2 statM_2d_edi_Nx: 2d, Single-Level, Monthly Extreme Detection Indices based on 1991-2020
    • Title: MERRA-2 statM_2d_edi_Nx: 2d, Single-Level, Monthly Extreme Detection Indices
    • Institution: NASA Global Modeling and Assimilation Office
    • Contact: https://gmao.gsfc.nasa.gov
    • Filename: MERRA2.statM_2d_edi_Nx.v2_1.198305.nc4
    • GranuleID: MERRA2.statM_2d_edi_Nx.v2_1.198305.nc4
    • identifier_product_doi_authority: http://dx.doi.org/
    • identifier_product_doi: 10.5067/O8AX56DO60MI
    • Source: CVS tag: GEOSadas-5_12_4
    • ProcessingLevel: Level 4
    • DataSetQuality: A validation of the source dataset is provided in Gelaro et al. 2017 (https://doi.org/10.1175/JCLI-D-16-0758.1)
    • VersionID: 2.1
    • Format: NetCDF-4
    • Conventions: CF-1.7
    • SpatialCoverage: Global
    • MapProjection: Latitude-Longitude
    • SouthernmostLatitude: -90.0
    • NorthernmostLatitude: 90.0
    • WesternmostLongitude: -180.0
    • EasternmostLongitude: 179.375
    • LatitudeResolution: 0.5
    • LongitudeResolution: 0.625
    • DataResolution: 0.5 x 0.625
    • RangeBeginningDate: 1983-05-01
    • RangeBeginningTime: 00:00:00.000000
    • RangeEndingDate: 1983-05-31
    • RangeEndingTime: 23:59:59.000000
    • ProductionDateTime: File generated: Mar 28 2023 15:18:39 GMT
    • comment: Based on a climatology period of 1991-2020
Variables
FD[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: Frost Days (count of days when daily minimum 2 m temperature is less than 0 degrees C)
    • origname: FD
    • fullnamepath: /FD
R95P[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: mm day-1
    • long_name: total precipitation from days > 95th percentile
    • origname: R95P
    • fullnamepath: /R95P
SDII[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: mm day-1
    • long_name: Simple Daily precipitation Intensity Index (ratio of the total precipitation on wet days to the number of wet days)
    • origname: SDII
    • fullnamepath: /SDII
TN90p[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: %
    • long_name: percentage of time when daily min 2-m temperature > 90th percentile
    • origname: TN90p
    • fullnamepath: /TN90p
TX10p[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: %
    • long_name: percentage of time when daily max 2-m temperature < 10th percentile
    • origname: TX10p
    • fullnamepath: /TX10p
R20mm[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: count of days with precipitation >= 20mm
    • origname: R20mm
    • fullnamepath: /R20mm
R90P[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: mm day-1
    • long_name: total precipitation from days > 90th percentile
    • origname: R90P
    • fullnamepath: /R90P
CSDI[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: cold spell duration index (count when at least 6 consecutive days of min 2-m temperature < 10th percentile)
    • origname: CSDI
    • fullnamepath: /CSDI
LCS[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: days
    • long_name: length of longest cold spell of at least 6 consecutive days below the 10th percentile
    • origname: LCS
    • fullnamepath: /LCS
DTR[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: K
    • long_name: Diurnal Temperature Range
    • origname: DTR
    • fullnamepath: /DTR
RX1Day[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: mm day-1
    • long_name: maximum one-day precipitation amount
    • origname: RX1Day
    • fullnamepath: /RX1Day
RX5Day[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: mm per 5 days
    • long_name: Highest precipitation amount for a five day interval
    • origname: RX5Day
    • fullnamepath: /RX5Day
HWF[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: Heatwave Frequency (count of days satisfying the heatwave criteria of at least three consecutive days above the 90th percentile)
    • origname: HWF
    • fullnamepath: /HWF
R10mm[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: count of days with precipitation >= 10mm
    • origname: R10mm
    • fullnamepath: /R10mm
TX90p[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: %
    • long_name: percentage of time when daily max 2-m temperature > 90th percentile
    • origname: TX90p
    • fullnamepath: /TX90p
HWN[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: Heatwave Number (count of events satisfying the heatwave criteria of at least three consecutive days above the 90th percentile)
    • origname: HWN
    • fullnamepath: /HWN
R99P[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: mm day-1
    • long_name: total precipitation from days > 99th percentile
    • origname: R99P
    • fullnamepath: /R99P
ID[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: Icing Days (count of days when daily maximum 2 m temperature is less than 0 degrees C)
    • origname: ID
    • fullnamepath: /ID
SU[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: Summer Days (count of days when daily maximum 2 m temperature is greater than 25 degrees C)
    • origname: SU
    • fullnamepath: /SU
TN10p[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: %
    • long_name: percentage of time when daily min 2-m temperature < 10th percentile
    • origname: TN10p
    • fullnamepath: /TN10p
R90D[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: count of days with precipitation > 90th percentile
    • origname: R90D
    • fullnamepath: /R90D
WSDI[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: warm spell duration index (count when at least 6 consecutive days of max 2-m temperature > 90th percentile)
    • origname: WSDI
    • fullnamepath: /WSDI
R95D[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: count of days with precipitation > 95th percentile
    • origname: R95D
    • fullnamepath: /R95D
HWD[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: days
    • long_name: Heatwave Duration (length of the longest number of consecutive days satisfying the heatwave criteria of at least three consecutive days above the 90th percentile)
    • origname: HWD
    • fullnamepath: /HWD
wetdays[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: count of days with precipitation >= 1mm
    • origname: wetdays
    • fullnamepath: /wetdays
LWS[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: days
    • long_name: length of longest warm spell of at least 6 consecutive days above the 90th percentile
    • origname: LWS
    • fullnamepath: /LWS
CWD[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: Consecutive Wet Days (maximum number of consecutive days when precipitation >= 1 mm)
    • origname: CWD
    • fullnamepath: /CWD
TR[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: Tropical Nights (count of days when daily minimum 2 m temperature is greater than 20 degrees C)
    • origname: TR
    • fullnamepath: /TR
HWM[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: K
    • long_name: Heatwave Magnitude (average 2-m temperature K anomaly on days satisfying the heatwave criteria of at least three consecutive days above the 90th percentile)
    • origname: HWM
    • fullnamepath: /HWM
R99D[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: count of days with precipitation > 99th percentile
    • origname: R99D
    • fullnamepath: /R99D
HWA[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Float32)
  • attributes
    • _FillValue: -9999.000000
    • units: K
    • long_name: Heatwave Amplitude (daily mean 2-m temperature on hottest day satisfying the heatwave criteria of at least three consecutive days above the 90th percentile)
    • origname: HWA
    • fullnamepath: /HWA
RX5Daycount[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: count of five-day heavy precipitation periods >= 50 mm
    • origname: RX5Daycount
    • fullnamepath: /RX5Daycount
drydays[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: count of days with precipitation < 1 mm
    • origname: drydays
    • fullnamepath: /drydays
CDD[ time= 0 ..0] [ lat= 0 ..360] [ lon= 0 ..575] (Type is Int32)
  • attributes
    • _FillValue: -9999
    • units: count
    • long_name: Consecutive Dry Days (maximum number of consecutive days when precipitation < 1 mm)
    • origname: CDD
    • fullnamepath: /CDD
lat[ lat= 0 ..360] (Type is Float32)
  • attributes
    • units: degrees_north
    • long_name: latitude
    • standard_name: latitude
    • origname: lat
    • fullnamepath: /lat
lon[ lon= 0 ..575] (Type is Float32)
  • attributes
    • units: degrees_east
    • long_name: longitude
    • standard_name: longitude
    • origname: lon
    • fullnamepath: /lon
time[ time= 0 ..0] (Type is Float64)
  • attributes
    • units: hours since 1983-05-01
    • long_name: time
    • origname: time
    • fullnamepath: /time
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