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Table 2 Evaluating reanalysis temperature products in the lake basin (1994–2015)

From: Climate variability and trends in the Endorheic Lake Hayk basin: implications for Lake Hayk water level changes in the lake basin, Ethiopia

Time scale

Reanalysis

R2

RMSE

Bias (%)

Annual

ERA5

0.965

0.070

 − 0.233

MERRA-2

0.108

0.482

 − 1.260

NCEP/NCAR

0.274

0.182

0.255

Seasonal

 Kiremt

  ERA5

0.957

0.092

 − 0.479

  MERRA-2

0.223

0.577

 − 4.003

  NCEP/NCAR

0.024

0.258

 − 5.297

 Belg

  ERA5

0.970

0.128

 − 0.376

  MERRA-2

0.049

0.652

3.237

  NCEP/NCAR

0.214

0.583

3.046

 Bega

  ERA5

0.958

0.099

 − 0.083

  MERRA-2

0.133

0.565

 − 1.763

  NCEP/NCAR

0.229

0.321

3.179