System are monthly global precipitation gpcp but i do not know where is possible to download daily data in netcdf format. Algorithm theoretical basis document atbd for global. Global precipitation climatology project gpcp climate. Global precipitation climatology project gpcp clearinghouse. The official website for nasa precipitation measurement missions. The netcdf files contain all necessary information to display the data in georefenced format. This dataset provides scientific researchers a high quality climate data record cdr of global precipitation, from the global precipitation climatology project gpcp. The gpcp daily analysis is a companion to the gpcp monthly analysis, and provides globally complete precipitation estimates at a spatial resolution. Newly released trmm version 7 products, gpcp version 2. The multisatellite data are averaged to the monthly scale and combined with the global precipitation climatology centres gpcc monthly surface precipitation gauge analysis. If netcdf creation is desired and file space is a concern, it may be best to pack the precipitation values. The gpcp daily analysis is a companion to the gpcp monthly analysis, and provides globally complete precipitation estimates at a spatial resolution of one degree latitudelongitude and daily time scale from october 1996 to the present. Global precipitation climatology project monthly precipitation dataset from 1979present combines. Here are the gpcp monthly data in netcdf format available for the two most recent months.
Read a hdfsds file containing monthly precipitation rates derived from the 3a25 precipitation algorithm. The precipitation estimates are derived by different methods in the tropics and the extratropics, and the documentation available at the above www page. Interim gpcp estimates are provisional estimates of gpcp available 10 days after the end of the month. The dataset begins in 1979 and continues through the present, with some delay for processing. Apdrc datadoc gpcp merged daily precipitation version 1. Users are stongly discouraged from using the gpcp interim for months when the full gpcp is available. The general approach was to combine the precipitation information available from each of several sources into a final merged product, taking advantage of the strengths of each data type. This document describes the highlevel procedures, inputs, and outputs, of the gpcp v3. Gobal precipitation climatology project gpcp version 2. Pdf the global precipitation climatology project gpcp. Global precipitation climatology project gpcp nasas mesoscale atmospheric processes laboratory produces the global precipitation climatology project gpcp monthly precipitation dataset from 1979present by combining observations and satellite precipitation data into 2.
The global precipitation climatology project gpcp daily precipitation is produced at the nasa goddard space flight center. Has anybody compared daily rainfall time series from gpcp 1dd. Comparison of gpcp monthly and daily precipitation. The monthly gpcp has become the standard against which climate model output is evaluated. Global precipitation climatology project monthly precipitation dataset from 1979 present combines. The gpcp monthly product provides a consistent analysis of global precipitation from an integration of various satellite data sets over land and ocean and a gauge analysis over land. Here are the gpcp monthly data in netcdf format available for the two most. The gpcp 1dd product provides precipitation estimates on a 1degree grid over the entire globe at 1day daily for the period october 1996 present. Gpcp global precipitation climatology project gpcp.
First guess monthly of monthly precipitation anomalies based on synop. This globally complete, monthly analysis of surface precipitation at 2. Noaa cpc morphing technique cmorph global precipitation analyses version 0. Monthly values 200701 through near present monitoring. To open it change kmz to zip, open with zip, extract the kml file inside the zip, and open the kml file with any text editor. These missions study rainfall and other types precipitation around the globe. In each case the multisatellite data are adjusted to the largearea mean of the gauge analysis, where available mostly over land, and then combined with the gauge. Global precipitation at onedegree daily resolution from. From the documentation the work is being carried out as part of the global precipitation climatology project gpcp, an international project of the wmowcrpgewex designed to provide improved longrecord estimates of precipitation over the globe. Comparison of the gpcp and cmap merged gaugesatellite monthly precipitation products for the period 19792001. Global precipitation climatology project gpcp climate data record cdr, version 2. The simulation used with gdas and gpcp only from 2000 to february 2001, followed by addition of agrmet for march 1, 2001 onwards.
It uses adjusted soundingbased rain rates from tovs and airs infrared satellite retrievals elsewhere. Global precipitation climatology project gpcp monthly, version. Working with a simple netcdf file in arcgis 10 duration. The global precipitation measurement gpm mission provides a new generation of satellite observations of rain and snow worldwide every three hours for scientific research and societal benefits. If i download the synoptic monthly means of total precipitation from ecmwf for year 20002001 with select time set to 00. Global precipitation climatology project gpcp version 2. They can be used for the most recent months for which gpcp is unavailable. How to calculate rainfall anomaly index rai in ms excel by adapting van rooy equation 1965 duration. Global precipitation climatology project gpcp monthly, version 2. Precipitation data are taken from gpccs full data monthly product and temperature data from noaas climate prediction center cpc monthly global surface air temperature data set. The global precipitation climatology project gpcp comprises a total of 27 products. Overview and access to gpcp, trmm, and gpm precipitation.
The monthly data is already available in version 2. The units are mmmonth for the monthly data and mmyear for the annual data. Gpcc global precipitation climatology centre monthly precipitation dataset from 1901present is calculated from global station data. How to download climate data of weather stations worldwide v2. Monthly values 201401 through near present first guess. Also data set can be downloaded from hadley center. The gpcp, an international activity of the global energy and water experiment, has been tasked with developing and producing longterm, global precipitation analyses at monthly and finer time scales. Global precipitation climatology project gpcp daily precipitation. Global precipitation gpcp icdc universitat hamburg. Jisao data global precipitation climatology project gpcp daily precipitation version 1dd v1. There is a netcdf attribute that has the first month of the interim data. It provides global estimates of monthly precipitation using a multisatellite approach.
Monthly mean surface precipitation of trmm version 7 from december 1997 to september 2012 is available in netcdf format in. Long term monthly means, derived from the monthly data spatial coverage. Monthly and daily products of the global precipitation climatology project gpcp are evaluated through a comparison with finnish meteorological institute fmi gauge observations for the period january 1995december 2007 to assess the quality of the gpcp estimates at high latitudes. The global precipitation climatology project gpcp was established by the world climate research programme to quantify the distribution of precipitation around the globe over many years. More information about using netcdf files including the netcdf clibrary is available from the university corporation for atmospheric research ucar. Gpcp monthly data the gpcp monthly dataset is a widelyused global monthly gridded precipitation dataset. Data from rain gauge stations, satellites, and sounding observations have been merged to estimate monthly rainfall on a 2. Enso precipitation index espi maps of gpcp interim icdr and gpcp cdr for past several months. The full record of gpcp monthly data can be obtained from the official download site at ncei. The gpcp combined precipitation data were provided by the nasagoddard space flight centers laboratory for atmospheres, which develops and computes the dataset as a contribution to the gewex global precipitation climatology project. The version2 global precipitation climatology project. Aggregation periods of 1, 3, 6, 9, 12, 24 and 48 months are calculated and available as netcdf files through the gpcc download. Reading the gpcp daily precipitation dataset using ncl.
Gpccs monitoring product is used as landsurface reference for the gpcp. The global precipitation climatology project gpcp version2 monthly precipitation analysis is described. The data set source should be acknowledged when the data are used. Previous versions are not available from the noaancei archive.
Gpcp monthly analysis gpcp interimlatest month interim gpcp estimates are provisional estimates of gpcp available 10 days after the end of the month. The global precipitation climatology project gpcp data set that was established by the world climate research programme. Variable, statistic, level, download file, create plotsubset. Trmm data downloads precipitation measurement missions. Evaluation of satellitebased and reanalysis precipitation. To compile the cprogram you will need to install the netcdf library on your computer. The gpcp data used in this study are from version 2. Global precipitation climatology project gpcp climate data record cdr, version 1. In support of this work an international group of precipitation experts developed and produces the gpcp version 2 monthly satellitegauge sg, pentad, and. April 2020 march 2020 the full record of gpcp monthly data can be obtained from the official download site at ncei.
The daily and monthly rainfall data are in the netcdf format. February 27, 2019 the gpcp daily analysis is a companion to the gpcp monthly analysis, and provides globally complete precipitation estimates at a spatial resolution of one degree latitudelongitude and daily time scale from october. Global analyses of monthly precipitation derived from satellite and surface measurements. This data set consists of monthly means of precipitation derived from satellite and gauge measurements. Here are the gpcp interim data in netcdf format for the last two months full gpcp data unavailable yet. Gpm data downloads precipitation measurement missions. Global precipitation climatology project gpcp monthly.