Africa - Central Africa - Sahel Africa - South Asia - East Siberia Asia - Indonesia Asia - North Central Asia - South Central Asia and China Asia - Southeast Asia and India Asia - West Siberia Australia Europe Global - Land Middle East and Sahara North America - Alaska and Northern Canada North America - Central America North America - Eastern United States North America - Southern Canada North America - Western United States South America - Amazon South America - Southeast South America - Southwest

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	3.59
I123	[-]	3.64	3.66	3.59		3.67		0.0940	0.987	1.03		0.621	0.641	0.853	0.982	0.748
post5.4	[-]	3.61	3.63	3.54		3.67		0.105	1.01	1.19		0.613	0.638	0.823	0.986	0.739

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	2.26
I123	[-]	2.48	2.45	2.25		5.39		0.225	0.762	0.227		0.551	0.633	0.975	0.965	0.751
post5.4	[-]	2.43	2.41	2.27		4.89		0.159	0.749	0.217		0.549	0.631	0.976	0.974	0.752

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	2.31
I123	[-]	2.38	2.38	2.31		2.31		0.0831	0.703	0.894		0.709	0.692	0.886	0.992	0.794
post5.4	[-]	2.35	2.35	2.26		2.27		0.108	0.675	0.683		0.708	0.718	0.912	0.989	0.809

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	0.964
I123	[-]	0.941	0.940	0.965		0.857		0.0136	0.269	0.590		0.783	0.678	0.943	0.992	0.815
post5.4	[-]	0.979	0.978	0.977		0.864		0.0266	0.271	0.471		0.746	0.681	0.953	0.992	0.811

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	6.90
I123	[-]	7.67	7.69	6.91		6.77		0.481	1.89	1.61		0.579	0.644	0.773	0.897	0.707
post5.4	[-]	7.77	7.79	6.91		6.71		0.561	1.84	1.53		0.584	0.664	0.778	0.913	0.721

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	1.37
I123	[-]	1.38	1.38	1.37		1.89		0.0318	0.260	0.541		0.787	0.766	0.958	0.994	0.854
post5.4	[-]	1.48	1.48	1.37		1.92		0.130	0.239	0.365		0.756	0.806	0.972	0.994	0.867

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	1.57
I123	[-]	1.41	1.41	1.56		4.54		0.0150	0.444	0.768		0.711	0.722	0.898	0.983	0.807
post5.4	[-]	1.43	1.44	1.57		4.59		0.0284	0.408	0.608		0.708	0.757	0.915	0.985	0.825

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	3.60
I123	[-]	3.57	3.57	3.59		4.73		0.449	1.77	0.985		0.546	0.515	0.875	0.893	0.669
post5.4	[-]	3.56	3.57	3.64		4.84		0.413	1.76	0.823		0.558	0.529	0.895	0.915	0.685

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	0.979
I123	[-]	1.04	1.05	0.980		0.778		0.0477	0.253	0.625		0.719	0.729	0.947	0.935	0.812
post5.4	[-]	1.12	1.13	0.983		0.787		0.124	0.224	0.423		0.723	0.780	0.959	0.995	0.847

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	1.61
I123	[-]	1.38	1.37	1.59		2.69		0.0377	0.530	0.931		0.665	0.704	0.881	0.917	0.774
post5.4	[-]	1.43	1.43	1.59		2.69		0.0765	0.467	0.665		0.698	0.751	0.911	0.920	0.806

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	1.95
I123	[-]	2.06	2.07	1.95		1.83		0.191	0.505	0.904		0.624	0.729	0.885	0.914	0.776
post5.4	[-]	2.13	2.14	1.94		1.82		0.285	0.465	0.712		0.628	0.803	0.904	0.850	0.797

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	2.05
I123	[-]	2.01	2.01	2.03	0.873	3.36		0.131	0.674	1.08		0.664	0.699	0.850	0.948	0.772
post5.4	[-]	2.05	2.05	2.03	0.900	3.33		0.171	0.655	1.01		0.655	0.727	0.856	0.946	0.782

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	0.386
I123	[-]	0.401	0.404	0.385		0.639		0.0564	0.236	1.21		0.766	0.801	0.818	0.953	0.828
post5.4	[-]	0.388	0.392	0.374		0.660		0.0519	0.221	1.26		0.770	0.816	0.808	0.955	0.833

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	1.04
I123	[-]	1.07	1.06	1.04	0.309	0.834		0.0183	0.341	0.655		0.716	0.682	0.935	0.974	0.798
post5.4	[-]	1.09	1.08	1.06	0.333	0.842		0.0261	0.354	0.637		0.687	0.682	0.933	0.968	0.791

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	2.68
I123	[-]	2.91	2.91	2.65		3.56		0.586	1.20	1.21		0.535	0.631	0.817	0.913	0.705
post5.4	[-]	3.00	3.00	2.60		3.41		0.703	1.27	1.20		0.509	0.614	0.816	0.903	0.691

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	2.74
I123	[-]	2.72	2.74	2.73		3.22		0.0834	0.514	1.16		0.771	0.683	0.838	0.993	0.794
post5.4	[-]	2.95	2.97	2.69		3.10		0.354	0.477	0.922		0.557	0.823	0.862	0.987	0.810

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	2.03
I123	[-]	2.04	2.04	2.02		3.67		0.207	0.582	0.902		0.673	0.705	0.879	0.894	0.771
post5.4	[-]	2.14	2.14	2.01		3.59		0.326	0.601	0.832		0.598	0.727	0.888	0.890	0.766

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	1.05
I123	[-]	1.24	1.25	1.05		1.51		0.273	0.506	1.00		0.596	0.686	0.865	0.814	0.729
post5.4	[-]	1.26	1.27	1.00		1.41		0.339	0.502	0.846		0.549	0.722	0.881	0.801	0.735

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	5.44
I123	[-]	6.11	6.10	5.44		4.24		0.636	1.44	0.781		0.589	0.695	0.911	0.972	0.772
post5.4	[-]	6.18	6.18	5.47		4.27		0.683	1.40	0.766		0.591	0.708	0.910	0.985	0.781

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	3.25
I123	[-]	3.13	3.11	3.26		2.46		-0.139	0.743	0.827		0.640	0.747	0.908	0.951	0.799
post5.4	[-]	3.22	3.21	3.22		2.42		0.000263	0.616	0.632		0.714	0.798	0.925	0.954	0.838

	Download Data	Period Mean (original grids) [mm d-1]	Model Period Mean (intersection) [mm d-1]	Benchmark Period Mean (intersection) [mm d-1]	Model Period Mean (complement) [mm d-1]	Benchmark Period Mean (complement) [mm d-1]		Bias [mm d-1]	RMSE [mm d-1]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Overall Score [1]
Benchmark	[-]	1.26
I123	[-]	1.59	1.62	1.25		2.11		0.392	1.01	0.865		0.359	0.576	0.894	0.511	0.583
post5.4	[-]	1.57	1.59	1.23		2.05		0.376	0.949	0.849		0.391	0.573	0.890	0.545	0.594

Africa - Central Africa - Sahel Africa - South Asia - East Siberia Asia - Indonesia Asia - North Central Asia - South Central Asia and China Asia - Southeast Asia and India Asia - West Siberia Australia Europe Global - Land Middle East and Sahara North America - Alaska and Northern Canada North America - Central America North America - Eastern United States North America - Southern Canada North America - Western United States South America - Amazon South America - Southeast South America - Southwest Temporally integrated period mean Temporally integrated period mean max month Temporally integrated mean phase shift Temporally integrated mean phase shift score Temporally integrated period mean bias Temporally integrated period mean bias score Temporally integrated period mean rmse Temporally integrated period mean rmse score Spatially integrated regional mean cycle Spatially integrated regional mean detrended cycle Spatially integrated regional mean

  Title:

CPC Merged Analysis of Precipitation (excludes NCEP Reanalysis)

  Version:

1904

  Institutions:

NOAA/OAR/ESRL PSD, Boulder, Colorado, USA

  Source:

Merged Precipitation with gauge observations, a variety of satellite observations and the NCEP–NCAR reanalysis

  History:

2019-04-30: downloaded source from https://www.esrl.noaa.gov/psd/data/gridded/data.cmap.html#detail

2019-07-01: converted to netCDF with https://github.com/mmu2019/Datasets/blob/master/read-pr-cmap.py

  References:

Xie, P., and P.A. Arkin (1997), Global precipitation: A 17-year monthly analysis based on gauge observations, satellite estimates, and numerical model outputs, Bull. Amer. Meteor. Soc., 78, 2539-2558

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  Comments:

time_period: 1979-01 through 2018-12

original_temporal_resolution: monthly

original_spatial_resolution: 2.5 degree

original_units: mm/day

final_temporal_resolution: monthly

final_spatial_resolution: 0.5 degree

final_units: kg/m2/s

  Convention:

CF-1.7