River/watersheds

Correlation (Pearson’s r)

Annual

Spring

Summer

Winter

Upper catchments

Wabi @ Dodola Bridge

−0.012

0.155

−0.056

0.123

Maribo

−0.014

0.254

−0.003

0.106

Robe

0.005

0.257

0.024

0.132

Middle Catchments

Wabi @ Legehida

0.003

0.09

0.057

0.432

Erer @ Hamaro

0.038

0.136

0.1

0.284

Gololcha @ Wabi junction

0.186

0.141

0.172

0.369

Eastern Catchments

Erer @ Babile

−0.042

0.08

0.187

−0.136

Fafen @ Jijiga

0.2

0.166

0.083

0.201

Fafen @ Kebridehar

0.062

0.133

0.235

0.202

Lower Catchments

Wabi @ Gode

−0.018

−0.034

0.016

−0.214

Wabi @ Burkur

−0.016

−0.034

0.008

−0.216