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	[-]	3.60
default	[-]	3.40	3.13	3.60		3.06		0.131	2.27	1.94		0.497	0.303	0.693	0.957	0.551
handtune0011	[-]	3.43	3.16	3.61		3.06		0.127	2.27	1.97		0.493	0.304	0.687	0.955	0.549

	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	[-]	2.25
default	[-]	2.80	2.92	2.24		4.82		0.114	2.00	1.57		0.503	0.368	0.738	0.969	0.589
handtune0011	[-]	2.81	2.93	2.25		5.01		0.106	1.99	1.63		0.508	0.370	0.733	0.969	0.590

	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
default	[-]	2.40	2.47	2.31		2.09		0.0331	1.35	1.28		0.554	0.491	0.820	0.974	0.666
handtune0011	[-]	2.40	2.46	2.32		2.09		0.0261	1.34	1.30		0.559	0.497	0.823	0.975	0.670

	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	[-]	0.957
default	[-]	1.05	1.03	0.952		1.13		0.164	0.440	1.28		0.556	0.628	0.829	0.881	0.704
handtune0011	[-]	1.04	1.03	0.949		1.13		0.165	0.436	1.19		0.558	0.632	0.848	0.881	0.710

	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
default	[-]	9.27	8.89	6.95		6.77		0.0813	3.22	1.98		0.418	0.389	0.704	0.783	0.536
handtune0011	[-]	9.17	8.78	6.92		6.74		0.0519	3.23	1.86		0.410	0.390	0.723	0.769	0.536

	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	[-]	1.36
default	[-]	1.51	1.54	1.36		2.00		0.120	0.351	0.692		0.669	0.714	0.936	0.918	0.790
handtune0011	[-]	1.50	1.53	1.36		2.02		0.111	0.347	0.561		0.672	0.716	0.949	0.923	0.795

	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	[-]	1.56
default	[-]	1.46	1.56	1.53		4.39		0.0294	0.725	1.08		0.582	0.600	0.848	0.966	0.719
handtune0011	[-]	1.47	1.56	1.53		4.39		0.0267	0.721	1.00		0.584	0.604	0.859	0.966	0.723

	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	[-]	3.62
default	[-]	4.46	4.20	3.61		4.23		0.262	2.73	1.72		0.467	0.329	0.745	0.898	0.554
handtune0011	[-]	4.44	4.19	3.61		4.21		0.251	2.70	1.68		0.469	0.335	0.752	0.894	0.557

	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
default	[-]	1.44	1.44	0.979		0.552		0.279	0.440	1.24		0.465	0.677	0.837	0.897	0.711
handtune0011	[-]	1.44	1.44	0.985		0.555		0.270	0.432	1.24		0.471	0.681	0.840	0.901	0.715

	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	[-]	1.63
default	[-]	1.97	1.91	1.59		2.60		-0.0547	0.933	1.37		0.545	0.554	0.801	0.916	0.674
handtune0011	[-]	1.96	1.90	1.59		2.61		-0.0625	0.939	1.39		0.544	0.552	0.797	0.915	0.672

	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
default	[-]	2.40	2.43	1.94		2.47		0.169	0.712	1.16		0.526	0.631	0.833	0.811	0.686
handtune0011	[-]	2.41	2.44	1.95		2.49		0.165	0.707	1.16		0.527	0.634	0.831	0.817	0.689

	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	[-]	2.16
default	[-]	2.47	2.45	2.13	0.378	3.39		0.143	1.21	1.52		0.548	0.542	0.774	0.953	0.672
handtune0011	[-]	2.46	2.45	2.14	0.374	3.39		0.135	1.20	1.51		0.550	0.544	0.777	0.953	0.674

	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	[-]	0.385
default	[-]	0.439	0.412	0.371		0.993		0.00214	0.328	1.97		0.688	0.726	0.683	0.903	0.745
handtune0011	[-]	0.445	0.418	0.380		0.993		-0.00411	0.331	1.97		0.683	0.725	0.687	0.904	0.745

	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
default	[-]	1.30	1.38	1.05	0.378	1.05		0.183	0.530	1.03		0.515	0.594	0.873	0.861	0.687
handtune0011	[-]	1.31	1.39	1.04	0.374	1.05		0.194	0.529	0.929		0.509	0.599	0.888	0.860	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	[-]	2.68
default	[-]	4.07	4.10	2.55		4.26		0.388	2.28	2.81		0.513	0.243	0.535	0.945	0.496
handtune0011	[-]	4.08	4.11	2.59		4.32		0.337	2.27	3.04		0.515	0.245	0.502	0.953	0.492

	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	[-]	2.72
default	[-]	2.89	2.89	2.70		3.34		0.363	0.831	1.47		0.467	0.594	0.785	0.968	0.682
handtune0011	[-]	2.88	2.89	2.71		3.34		0.347	0.821	1.42		0.479	0.599	0.788	0.970	0.687

	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	[-]	2.04
default	[-]	2.79	2.64	2.01		3.46		0.278	0.793	1.02		0.489	0.593	0.864	0.909	0.690
handtune0011	[-]	2.79	2.64	2.02		3.47		0.271	0.783	1.05		0.493	0.599	0.860	0.911	0.692

	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
default	[-]	1.62	1.64	1.03		0.776		0.262	0.719	2.23		0.518	0.538	0.644	0.825	0.613
handtune0011	[-]	1.62	1.64	1.05		0.813		0.239	0.716	2.33		0.528	0.536	0.624	0.836	0.612

	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	[-]	5.46
default	[-]	6.87	6.86	5.48		3.83		0.524	3.13	2.02		0.556	0.366	0.698	0.883	0.574
handtune0011	[-]	6.86	6.85	5.48		3.84		0.496	3.11	2.05		0.559	0.367	0.697	0.880	0.574

	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	[-]	3.26
default	[-]	3.23	3.26	3.25		3.72		-0.173	1.40	1.58		0.611	0.530	0.761	0.933	0.673
handtune0011	[-]	3.23	3.26	3.25		3.68		-0.167	1.39	1.58		0.617	0.534	0.760	0.935	0.676

	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
default	[-]	1.01	1.01	1.22		1.95		0.438	1.49	2.25		0.320	0.396	0.650	0.494	0.451
handtune0011	[-]	1.02	1.02	1.23		1.96		0.432	1.50	2.28		0.324	0.397	0.645	0.497	0.452

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