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 Globe 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) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	77.9
CLM4.5SP	[-]	70.4	70.6		77.8	80.3		-6.64	12.4	1.87		0.363	0.257	0.731	0.996	0.551	0.526
CLM4SP	[-]	70.5	70.6		77.8	80.3		-6.60	12.7	1.90		0.360	0.247	0.725	0.996	0.519	0.516
CLM5SP	[-]	68.8	69.0		77.8	80.3		-8.18	14.1	1.93		0.336	0.233	0.720	0.997	0.485	0.501

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	53.6
CLM4.5SP	[-]	52.7	52.2		53.2	77.5		-0.829	11.5	0.538		0.745	0.597	0.929	0.971	0.823	0.777
CLM4SP	[-]	53.1	52.5		53.2	77.5		-0.479	11.6	0.568		0.746	0.593	0.928	0.971	0.831	0.777
CLM5SP	[-]	51.4	50.8		53.2	77.5		-2.18	11.8	0.546		0.740	0.590	0.930	0.973	0.837	0.777

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	64.2
CLM4.5SP	[-]	62.5	62.4		63.5	77.8		0.182	11.0	1.11		0.602	0.448	0.848	0.970	0.791	0.685
CLM4SP	[-]	63.3	63.3		63.5	77.8		0.932	11.5	1.17		0.588	0.435	0.838	0.970	0.782	0.675
CLM5SP	[-]	61.4	61.4		63.5	77.8		-0.864	11.3	1.13		0.605	0.437	0.843	0.970	0.757	0.675

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	77.6
CLM4.5SP	[-]	89.6	89.5		77.1	83.4		12.7	18.4	2.58		0.0907	0.0781	0.598	0.670	0.670	0.364
CLM4SP	[-]	89.8	89.7		77.1	83.4		12.8	18.2	2.66		0.0888	0.0854	0.570	0.670	0.682	0.363
CLM5SP	[-]	88.5	88.4		77.1	83.4		11.6	17.8	4.53		0.114	0.0762	0.215	0.746	0.565	0.299

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	84.2
CLM4.5SP	[-]	86.6	86.7		85.0	81.2		0.976	4.90	1.54		0.573	0.273	0.776	0.995	0.615	0.584
CLM4SP	[-]	86.9	86.9		85.0	81.2		1.02	5.02	1.57		0.575	0.260	0.771	1.00	0.580	0.574
CLM5SP	[-]	85.4	85.5		85.0	81.2		-0.483	5.21	1.54		0.594	0.236	0.778	0.999	0.518	0.560

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	72.3
CLM4.5SP	[-]	84.3	84.4		72.2	78.9		12.2	18.3	1.41		0.263	0.222	0.811	0.967	0.744	0.538
CLM4SP	[-]	84.0	84.1		72.2	78.9		11.8	18.0	1.32		0.272	0.222	0.821	0.960	0.723	0.537
CLM5SP	[-]	82.2	82.3		72.2	78.9		10.1	17.7	1.89		0.331	0.201	0.729	0.980	0.571	0.502

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	61.3
CLM4.5SP	[-]	65.7	65.9		61.0	71.3		5.57	16.0	1.96		0.524	0.330	0.703	0.993	0.817	0.616
CLM4SP	[-]	66.7	66.9		61.0	71.3		6.48	16.5	1.90		0.508	0.331	0.713	0.995	0.820	0.616
CLM5SP	[-]	64.6	64.8		61.0	71.3		4.46	16.1	1.95		0.549	0.321	0.706	0.995	0.757	0.608

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	69.0
CLM4.5SP	[-]	63.8	63.5		68.3	79.0		-2.45	10.8	1.01		0.628	0.406	0.862	0.947	0.701	0.658
CLM4SP	[-]	63.7	63.5		68.3	79.0		-2.52	11.1	0.999		0.628	0.396	0.865	0.944	0.679	0.651
CLM5SP	[-]	62.3	62.0		68.3	79.0		-3.91	11.5	0.951		0.615	0.390	0.870	0.944	0.658	0.644

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	78.8
CLM4.5SP	[-]	89.6	89.6		78.5	84.9		11.2	17.0	1.65		0.129	0.0962	0.784	0.770	0.623	0.416
CLM4SP	[-]	89.7	89.7		78.5	84.9		11.3	16.8	1.88		0.128	0.104	0.730	0.792	0.635	0.415
CLM5SP	[-]	88.9	88.9		78.5	84.9		10.5	16.4	4.18		0.150	0.0987	0.282	0.851	0.527	0.335

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	53.1
CLM4.5SP	[-]	51.0	51.0		51.3	74.6		2.25	7.31	0.522		0.705	0.517	0.911	0.996	0.801	0.741
CLM4SP	[-]	51.8	51.7		51.3	74.6		2.88	7.57	0.528		0.699	0.515	0.911	0.993	0.804	0.740
CLM5SP	[-]	49.9	49.8		51.3	74.6		1.11	6.92	0.503		0.746	0.518	0.915	0.996	0.801	0.749

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	76.7
CLM4.5SP	[-]	79.0	78.9		76.6	78.3		2.37	9.20	0.914		0.593	0.327	0.877	0.785	0.726	0.606
CLM4SP	[-]	78.7	78.7		76.6	78.3		2.12	9.00	0.868		0.605	0.331	0.882	0.796	0.708	0.609
CLM5SP	[-]	77.3	77.3		76.6	78.3		0.678	9.21	0.925		0.604	0.312	0.873	0.768	0.628	0.583

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	74.9
CLM4.5SP	[-]	70.9	70.9		65.3	79.6		6.71	14.2	1.50		0.400	0.312	0.766	0.940	0.718	0.575
CLM4SP	[-]	71.2	71.2		65.3	79.6		6.88	14.3	1.48		0.399	0.310	0.770	0.941	0.706	0.573
CLM5SP	[-]	69.5	69.5		65.3	79.6		5.34	14.0	1.58		0.415	0.299	0.748	0.945	0.646	0.559

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	37.9
CLM4.5SP	[-]	42.1	42.1		36.6	70.8		7.02	12.7	0.611		0.495	0.436	0.887	0.916	0.771	0.657
CLM4SP	[-]	41.6	41.6		36.6	70.8		6.53	12.6	0.599		0.503	0.425	0.888	0.926	0.764	0.655
CLM5SP	[-]	41.3	41.3		36.6	70.8		6.32	12.2	0.582		0.493	0.432	0.897	0.918	0.745	0.653

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	77.9
CLM4.5SP	[-]	89.4	89.4		77.6	82.9		12.2	17.7	2.54		0.128	0.118	0.608	1.00	0.746	0.453
CLM4SP	[-]	89.3	89.3		77.6	82.9		12.2	17.5	2.50		0.131	0.124	0.617	0.999	0.737	0.455
CLM5SP	[-]	88.4	88.4		77.6	82.9		11.3	17.1	2.65		0.153	0.116	0.589	0.997	0.623	0.432

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	69.8
CLM4.5SP	[-]	67.9	68.0		68.1	78.3		2.07	9.24	1.61		0.499	0.344	0.751	0.990	0.675	0.601
CLM4SP	[-]	68.6	68.7		68.1	78.3		2.63	9.38	1.63		0.496	0.340	0.747	0.987	0.659	0.595
CLM5SP	[-]	66.8	66.9		68.1	78.3		0.911	9.47	1.61		0.491	0.333	0.753	0.988	0.642	0.590

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	69.7
CLM4.5SP	[-]	77.9	77.9		69.4	76.3		8.51	12.3	2.41		0.296	0.266	0.629	0.999	0.764	0.536
CLM4SP	[-]	77.9	77.9		69.4	76.3		8.51	12.1	2.30		0.298	0.275	0.645	0.997	0.763	0.542
CLM5SP	[-]	76.1	76.1		69.4	76.3		6.68	11.5	2.51		0.362	0.252	0.612	0.999	0.685	0.527

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	72.4
CLM4.5SP	[-]	83.5	83.6		72.0	81.9		11.6	15.7	1.36		0.237	0.260	0.836	0.955	0.834	0.564
CLM4SP	[-]	83.3	83.3		72.0	81.9		11.4	15.5	1.29		0.244	0.266	0.845	0.955	0.804	0.563
CLM5SP	[-]	81.5	81.5		72.0	81.9		9.60	14.8	1.47		0.306	0.242	0.815	0.972	0.690	0.545

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	53.7
CLM4.5SP	[-]	65.1	65.1		53.2	81.4		12.2	16.3	0.931		0.378	0.431	0.890	0.995	0.826	0.659
CLM4SP	[-]	65.4	65.5		53.2	81.4		12.6	16.5	0.893		0.371	0.440	0.897	0.996	0.830	0.662
CLM5SP	[-]	63.6	63.7		53.2	81.4		10.7	15.3	1.02		0.421	0.430	0.881	0.986	0.792	0.656

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	84.9
CLM4.5SP	[-]	82.2	82.2		85.0	81.5		-2.71	9.23	1.26		0.491	0.287	0.838	0.958	0.605	0.578
CLM4SP	[-]	82.2	82.2		85.0	81.5		-2.69	9.69	1.25		0.494	0.270	0.840	0.944	0.567	0.564
CLM5SP	[-]	80.3	80.3		85.0	81.5		-4.59	10.8	1.30		0.438	0.253	0.830	0.903	0.522	0.533

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	70.7
CLM4.5SP	[-]	72.8	72.6		70.4	79.2		2.65	12.6	1.33		0.467	0.336	0.823	0.753	0.757	0.579
CLM4SP	[-]	73.0	72.8		70.4	79.2		2.90	12.9	1.44		0.462	0.325	0.803	0.752	0.742	0.568
CLM5SP	[-]	71.6	71.4		70.4	79.2		1.46	13.0	1.33		0.466	0.319	0.826	0.737	0.718	0.564

	Download Data	Period Mean (original grids) [%]	Model Period Mean (intersection) [%]	Model Period Mean (complement) [%]	Benchmark Period Mean (intersection) [%]	Benchmark Period Mean (complement) [%]		Bias [%]	RMSE [%]	Phase Shift [months]		Bias Score [1]	RMSE Score [1]	Seasonal Cycle Score [1]	Spatial Distribution Score [1]	Interannual Variability Score [1]	Overall Score [1]
Benchmark	[-]	65.5
CLM4.5SP	[-]	63.3	63.6		63.7	81.7		1.36	12.4	0.947		0.468	0.367	0.865	0.980	0.649	0.616
CLM4SP	[-]	64.0	64.2		63.7	81.7		1.81	12.7	0.919		0.462	0.375	0.868	0.977	0.649	0.618
CLM5SP	[-]	62.7	62.9		63.7	81.7		0.765	12.3	0.946		0.482	0.372	0.865	0.967	0.631	0.615

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 Globe 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 Interannual variability Interannual variability 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

  creation_date: Wed Dec 2 12:03:21 PST 2015

  Conventions: Please contact Prof. James Randerson (Email: jranders@uci.edu) or Dr. Mingquan Mu (mmu@uci.edu) for any question

  source_file: This product is generated from monthly ERA interim observations

  title: derived ERA interim

  Approach: I read the monthly 2m dewpoint temperature and 2m surface air temperature from original file, and calculated 2m relative humidity using the way by John Dutton (Ceaseless Wind, John Dutton. McGraw-Hill, 1976. pp 273-274). The final data were saved by each month and each year.

  Temporal resolution: monthly

  General information: This product was derived from ERA interim Dataset (1979-present).

  Spatial resolution: 0.5x0.5, 1x1 and 2.5x2.5 degree

  Derived data code: http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/convert-rhums-ERA-interim.ncl