Mean State

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
CRUNCEPv7 [-] 72.2 72.1 77.8 80.3 -5.35 9.88 1.69 0.325 0.450 0.758 0.894 0.591 0.578
GSWP3v1 [-] 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
WFDEI [-] 79.7 79.8 77.8 80.3 1.91 6.29 1.01 0.670 0.453 0.862 0.999 0.806 0.707
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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
CRUNCEPv7 [-] 51.1 50.6 53.2 77.5 -2.43 10.3 0.252 0.734 0.648 0.962 0.940 0.550 0.747
GSWP3v1 [-] 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
WFDEI [-] 56.7 56.1 53.2 77.5 2.83 9.37 0.337 0.803 0.641 0.952 0.998 0.875 0.818
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
CRUNCEPv7 [-] 61.3 61.2 63.5 77.8 -0.992 9.54 0.948 0.628 0.514 0.870 0.942 0.537 0.668
GSWP3v1 [-] 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
WFDEI [-] 61.3 61.2 63.5 77.8 -1.44 7.91 0.681 0.729 0.522 0.910 0.998 0.836 0.753
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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
CRUNCEPv7 [-] 74.5 74.4 77.1 83.4 -0.533 17.6 3.20 0.276 0.0915 0.455 0.420 0.242 0.263
GSWP3v1 [-] 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
WFDEI [-] 88.1 88.1 77.1 83.4 10.9 13.2 2.93 0.152 0.237 0.525 0.866 0.782 0.467
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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
CRUNCEPv7 [-] 83.1 83.1 85.0 81.2 -1.77 5.23 1.99 0.451 0.402 0.693 0.900 0.568 0.570
GSWP3v1 [-] 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
WFDEI [-] 88.4 88.5 85.0 81.2 2.71 4.99 1.03 0.463 0.346 0.855 0.984 0.742 0.623
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
CRUNCEPv7 [-] 75.1 75.1 72.2 78.9 3.06 11.1 1.86 0.491 0.399 0.734 0.590 0.625 0.540
GSWP3v1 [-] 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
WFDEI [-] 81.2 81.3 72.2 78.9 8.98 11.1 1.74 0.366 0.480 0.757 0.943 0.849 0.646
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
CRUNCEPv7 [-] 55.5 55.6 61.0 71.3 -4.13 13.6 1.44 0.530 0.517 0.801 0.888 0.816 0.678
GSWP3v1 [-] 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
WFDEI [-] 65.3 65.5 61.0 71.3 5.08 9.41 0.951 0.617 0.497 0.870 0.997 0.860 0.723
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
CRUNCEPv7 [-] 60.5 60.6 68.3 79.0 -5.32 10.2 0.773 0.558 0.535 0.897 0.984 0.645 0.692
GSWP3v1 [-] 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
WFDEI [-] 67.5 67.4 68.3 79.0 0.596 7.74 0.513 0.700 0.485 0.924 0.994 0.847 0.739
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
CRUNCEPv7 [-] 81.2 81.2 78.5 84.9 3.46 13.6 2.76 0.323 0.153 0.529 0.599 0.361 0.353
GSWP3v1 [-] 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
WFDEI [-] 89.5 89.4 78.5 84.9 11.0 12.8 3.62 0.144 0.280 0.373 0.861 0.744 0.447
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
CRUNCEPv7 [-] 51.0 50.9 51.3 74.6 1.93 8.88 0.504 0.595 0.516 0.912 0.942 0.582 0.677
GSWP3v1 [-] 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
WFDEI [-] 50.5 50.5 51.3 74.6 1.26 9.51 0.435 0.681 0.437 0.928 0.981 0.876 0.723
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
CRUNCEPv7 [-] 76.5 76.4 76.6 78.3 0.572 5.78 1.25 0.651 0.512 0.836 0.831 0.817 0.693
GSWP3v1 [-] 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
WFDEI [-] 79.6 79.6 76.6 78.3 2.77 6.64 1.03 0.624 0.453 0.873 0.941 0.854 0.700
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
CRUNCEPv7 [-] 65.2 65.2 65.3 79.6 1.63 12.0 1.48 0.466 0.411 0.764 0.944 0.598 0.599
GSWP3v1 [-] 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
WFDEI [-] 70.0 70.0 65.3 79.6 5.55 10.3 1.28 0.500 0.419 0.792 0.948 0.816 0.649
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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
CRUNCEPv7 [-] 42.8 42.8 36.6 70.8 7.69 12.9 0.891 0.424 0.500 0.852 0.957 0.623 0.643
GSWP3v1 [-] 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
WFDEI [-] 38.4 38.5 36.6 70.8 3.14 8.90 0.605 0.596 0.471 0.889 0.985 0.822 0.705
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
CRUNCEPv7 [-] 82.8 82.7 77.6 82.9 6.30 14.3 2.85 0.288 0.179 0.538 0.455 0.431 0.345
GSWP3v1 [-] 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
WFDEI [-] 87.6 87.7 77.6 82.9 10.2 12.9 2.67 0.194 0.259 0.585 0.999 0.718 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 [-] 69.8
CRUNCEPv7 [-] 62.4 62.5 68.1 78.3 -2.34 8.46 1.34 0.491 0.444 0.793 0.996 0.676 0.641
GSWP3v1 [-] 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
WFDEI [-] 67.5 67.5 68.1 78.3 1.01 8.47 0.990 0.531 0.391 0.848 0.995 0.803 0.660
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
CRUNCEPv7 [-] 71.3 71.4 69.4 76.3 2.43 5.67 1.78 0.650 0.470 0.731 0.989 0.786 0.683
GSWP3v1 [-] 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
WFDEI [-] 72.5 72.6 69.4 76.3 3.26 7.97 1.67 0.553 0.340 0.757 0.989 0.914 0.649
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
CRUNCEPv7 [-] 77.7 77.7 72.0 81.9 6.05 9.86 1.64 0.471 0.392 0.787 0.974 0.848 0.644
GSWP3v1 [-] 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
WFDEI [-] 79.0 78.9 72.0 81.9 6.99 10.1 1.23 0.428 0.407 0.861 0.970 0.809 0.647
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
CRUNCEPv7 [-] 53.4 53.6 53.2 81.4 0.918 8.60 0.779 0.723 0.545 0.907 0.978 0.757 0.742
GSWP3v1 [-] 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
WFDEI [-] 59.2 59.3 53.2 81.4 6.39 11.5 0.641 0.593 0.468 0.922 0.985 0.917 0.726
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
CRUNCEPv7 [-] 81.8 81.8 85.0 81.5 -3.16 6.79 0.859 0.510 0.453 0.894 0.999 0.607 0.653
GSWP3v1 [-] 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
WFDEI [-] 86.6 86.6 85.0 81.5 1.58 5.12 0.658 0.703 0.466 0.929 0.998 0.813 0.729
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
CRUNCEPv7 [-] 69.5 69.3 70.4 79.2 -0.566 6.60 0.922 0.728 0.520 0.881 0.974 0.581 0.701
GSWP3v1 [-] 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
WFDEI [-] 71.7 71.7 70.4 79.2 1.55 7.29 0.625 0.744 0.452 0.924 0.996 0.889 0.743
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
CRUNCEPv7 [-] 52.6 52.7 63.7 81.7 -8.08 15.0 1.04 0.345 0.417 0.858 0.971 0.684 0.615
GSWP3v1 [-] 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
WFDEI [-] 65.4 65.4 63.7 81.7 2.54 10.0 0.543 0.502 0.467 0.927 0.975 0.783 0.687

Temporally integrated period mean

BENCHMARK MEAN
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MODEL MEAN
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BIAS
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BIAS SCORE
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RMSE
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RMSE SCORE
Data not available
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BENCHMARK INTERANNUAL VARIABILITY
Data not available
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MODEL INTERANNUAL VARIABILITY
Data not available
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INTERANNUAL VARIABILITY SCORE
Data not available
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BENCHMARK MAX MONTH
Data not available
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MODEL MAX MONTH
Data not available
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DIFFERENCE IN MAX MONTH
Data not available
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SEASONAL CYCLE SCORE
Data not available
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SPATIAL TAYLOR DIAGRAM
Data not available
MODEL COLORS
Data not available

Spatially integrated regional mean

MODEL COLORS
Data not available
REGIONAL MEAN
Data not available
ANNUAL CYCLE
Data not available
MONTHLY ANOMALY
Data not available
ANNUAL CYCLE
Data not available

All Models

Benchmark
Data not available
Data not available
CRUNCEPv7
Data not available
Data not available
GSWP3v1
Data not available
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WFDEI
Data not available
Data not available

Data Information

  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