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 [-] 72.1 72.1 77.8 80.3 -5.40 10.0 1.78 0.324 0.444 0.747 0.900 0.600 0.576
GSWP3v1 [-] 68.7 68.9 77.8 80.3 -8.28 14.1 1.93 0.336 0.234 0.722 0.997 0.484 0.501
WATCH [-] 78.6 78.7 78.1 80.5 0.517 5.36 1.21 0.629 0.551 0.841 0.992 0.809 0.729
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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 [-] 50.6 50.1 53.2 77.5 -2.88 10.7 0.255 0.722 0.638 0.962 0.930 0.550 0.740
GSWP3v1 [-] 51.0 50.5 53.2 77.5 -2.52 11.8 0.548 0.733 0.592 0.929 0.969 0.837 0.775
WATCH [-] 55.2 54.6 53.9 77.7 0.814 7.53 0.299 0.785 0.728 0.957 0.997 0.845 0.840
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 [-] 61.2 61.1 63.5 77.8 -1.03 10.0 0.996 0.623 0.497 0.864 0.951 0.543 0.663
GSWP3v1 [-] 61.1 61.1 63.5 77.8 -1.12 11.5 1.17 0.595 0.435 0.837 0.971 0.749 0.670
WATCH [-] 62.4 62.3 63.6 78.1 -0.174 6.01 0.603 0.709 0.626 0.914 0.985 0.847 0.784
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
CRUNCEPv7 [-] 74.8 74.7 77.1 83.4 -0.231 17.2 2.92 0.278 0.0954 0.509 0.434 0.245 0.276
GSWP3v1 [-] 88.5 88.5 77.1 83.4 11.6 17.7 2.76 0.114 0.0792 0.549 0.727 0.555 0.350
WATCH [-] 87.4 87.3 77.0 83.2 10.6 13.5 3.64 0.146 0.196 0.381 0.825 0.801 0.424
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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 [-] 83.2 83.2 85.0 81.2 -1.66 5.15 1.75 0.441 0.407 0.739 0.940 0.580 0.586
GSWP3v1 [-] 85.2 85.2 85.0 81.2 -0.688 5.23 1.42 0.587 0.237 0.797 0.998 0.516 0.562
WATCH [-] 87.5 87.5 85.3 81.2 0.988 3.53 1.25 0.562 0.468 0.822 0.964 0.757 0.674
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 [-] 75.6 75.6 72.2 78.9 3.46 11.1 1.85 0.482 0.407 0.736 0.603 0.631 0.544
GSWP3v1 [-] 82.6 82.6 72.2 78.9 10.4 17.9 2.16 0.321 0.199 0.684 0.974 0.573 0.492
WATCH [-] 81.2 81.2 72.4 78.9 8.83 10.3 2.19 0.363 0.552 0.681 0.883 0.846 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 [-] 56.0 56.2 61.0 71.3 -3.57 13.4 1.41 0.531 0.521 0.804 0.893 0.817 0.681
GSWP3v1 [-] 65.2 65.4 61.0 71.3 5.02 16.2 1.97 0.540 0.322 0.705 0.994 0.756 0.606
WATCH [-] 68.1 68.3 61.6 71.6 7.12 9.17 1.01 0.562 0.641 0.861 0.976 0.871 0.758
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 [-] 60.3 60.4 68.3 79.0 -5.50 10.3 0.730 0.550 0.530 0.901 0.984 0.646 0.690
GSWP3v1 [-] 62.1 61.8 68.3 79.0 -4.10 11.5 0.920 0.608 0.395 0.875 0.943 0.655 0.645
WATCH [-] 70.3 70.1 68.1 78.9 3.35 6.18 0.683 0.687 0.627 0.902 0.992 0.843 0.780
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 [-] 81.3 81.3 78.5 84.9 3.61 13.4 2.66 0.326 0.159 0.551 0.615 0.365 0.363
GSWP3v1 [-] 88.9 88.9 78.5 84.9 10.5 16.2 3.05 0.149 0.102 0.497 0.827 0.518 0.366
WATCH [-] 88.6 88.5 78.4 84.8 10.3 12.2 3.70 0.150 0.283 0.351 0.891 0.748 0.451
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 [-] 51.1 51.0 51.3 74.6 2.10 8.87 0.507 0.594 0.516 0.910 0.947 0.588 0.679
GSWP3v1 [-] 50.0 50.0 51.3 74.6 1.27 6.95 0.506 0.738 0.518 0.913 0.997 0.801 0.748
WATCH [-] 52.3 52.3 51.8 74.9 2.75 5.46 0.331 0.688 0.677 0.938 0.980 0.887 0.808
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 [-] 77.0 77.0 76.6 78.3 1.10 5.80 1.20 0.646 0.512 0.841 0.845 0.820 0.696
GSWP3v1 [-] 77.5 77.5 76.6 78.3 0.920 9.32 0.889 0.609 0.308 0.878 0.777 0.624 0.584
WATCH [-] 80.8 80.8 76.8 78.8 3.69 5.28 0.833 0.584 0.619 0.880 0.998 0.842 0.757
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 [-] 65.4 65.4 65.3 79.6 1.82 12.0 1.45 0.461 0.411 0.770 0.944 0.601 0.600
GSWP3v1 [-] 69.5 69.5 65.3 79.6 5.43 14.1 1.53 0.410 0.299 0.759 0.945 0.644 0.559
WATCH [-] 71.2 71.2 65.6 79.6 6.52 9.59 1.31 0.473 0.517 0.783 0.964 0.805 0.677
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
CRUNCEPv7 [-] 42.8 42.8 36.6 70.8 7.67 12.8 0.887 0.429 0.499 0.851 0.959 0.629 0.644
GSWP3v1 [-] 41.2 41.3 36.6 70.8 6.28 12.3 0.578 0.494 0.429 0.897 0.920 0.745 0.652
WATCH [-] 42.6 42.6 37.1 71.3 7.01 9.97 0.585 0.474 0.575 0.884 0.989 0.810 0.718
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 [-] 83.1 83.0 77.6 82.9 6.56 14.2 2.76 0.286 0.186 0.555 0.475 0.432 0.353
GSWP3v1 [-] 88.6 88.6 77.6 82.9 11.4 17.0 2.57 0.149 0.120 0.604 0.999 0.614 0.434
WATCH [-] 87.3 87.3 77.6 82.8 10.1 13.2 3.36 0.181 0.227 0.436 0.986 0.764 0.470
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 [-] 62.3 62.3 68.1 78.3 -2.44 8.69 1.37 0.479 0.443 0.790 0.996 0.678 0.638
GSWP3v1 [-] 66.7 66.8 68.1 78.3 0.789 9.54 1.62 0.485 0.334 0.749 0.988 0.640 0.588
WATCH [-] 67.8 68.0 68.8 78.6 1.21 6.67 1.04 0.558 0.512 0.832 0.984 0.795 0.699
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 [-] 71.8 71.9 69.4 76.3 2.90 5.87 1.85 0.616 0.470 0.719 0.995 0.786 0.676
GSWP3v1 [-] 76.3 76.3 69.4 76.3 6.86 11.7 2.73 0.356 0.249 0.570 0.999 0.685 0.518
WATCH [-] 74.2 74.4 70.0 76.6 4.48 5.67 1.37 0.483 0.619 0.804 0.999 0.894 0.736
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 [-] 78.4 78.5 72.0 81.9 6.78 10.0 1.58 0.446 0.406 0.795 0.986 0.852 0.649
GSWP3v1 [-] 81.9 81.9 72.0 81.9 9.94 15.0 1.50 0.294 0.243 0.809 0.971 0.693 0.542
WATCH [-] 79.4 79.4 71.7 81.8 7.84 9.40 1.48 0.376 0.519 0.826 0.915 0.824 0.663
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 [-] 53.9 54.1 53.2 81.4 1.43 8.63 0.748 0.717 0.546 0.913 0.980 0.758 0.743
GSWP3v1 [-] 64.0 64.0 53.2 81.4 11.1 15.6 1.07 0.413 0.427 0.871 0.987 0.793 0.653
WATCH [-] 58.8 58.9 54.3 81.1 4.97 6.93 0.383 0.652 0.695 0.950 0.996 0.925 0.819
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 [-] 82.0 82.0 85.0 81.5 -2.95 6.72 0.800 0.519 0.453 0.903 0.999 0.610 0.656
GSWP3v1 [-] 80.2 80.2 85.0 81.5 -4.70 10.9 1.30 0.431 0.252 0.831 0.894 0.520 0.530
WATCH [-] 85.1 85.1 85.5 81.9 -0.414 4.87 0.886 0.637 0.502 0.888 0.977 0.788 0.716
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 [-] 69.9 69.6 70.4 79.2 -0.202 6.87 0.787 0.704 0.515 0.901 0.952 0.584 0.695
GSWP3v1 [-] 71.7 71.5 70.4 79.2 1.59 13.1 1.36 0.462 0.318 0.819 0.724 0.716 0.560
WATCH [-] 73.2 73.0 71.3 79.5 1.95 5.03 0.648 0.690 0.639 0.917 0.999 0.866 0.791
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 [-] 52.7 52.8 63.7 81.7 -7.98 14.9 1.02 0.345 0.421 0.860 0.978 0.686 0.618
GSWP3v1 [-] 62.9 63.1 63.7 81.7 0.944 12.3 0.915 0.480 0.372 0.868 0.972 0.633 0.616
WATCH [-] 64.7 64.8 64.7 81.8 1.12 8.61 0.813 0.552 0.535 0.892 0.977 0.785 0.713

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
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BENCHMARK INTERANNUAL VARIABILITY
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MODEL INTERANNUAL VARIABILITY
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INTERANNUAL VARIABILITY SCORE
Data not available
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BENCHMARK MAX MONTH
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MODEL MAX MONTH
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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
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CRUNCEPv7
Data not available
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GSWP3v1
Data not available
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WATCH
Data not available
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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