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Table 4 Mann–Kendall and Sen’s slope results for monthly minimum temperature trends

From: Spatiotemporal climate and vegetation greenness changes and their nexus for Dhidhessa River Basin, Ethiopia

AEZ Parameters January February March April May June July August September October November December
Tepid sub-humid Z-test 2.63* 2.4* 0.85 1.29 1.87 1.50 2.35* 2.14* 2.14* 2.31* 2.77* 0.36
Sen’s slope (°C/year) 0.03 0.03 0.02 0.03 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.01
Cool sub-humid Z-test 2.63* 1.02 1.63 2.08* 0.75 2.04* 1.70 2.11* 1.87 1.60 2.24* 1.87
Sen’s slope (°C/year) 0.03 0.03 0.04 0.03 0.04 0.03 0.04 0.04 0.04 0.04 0.04 0.03
Warm sub-humid Z-test 0.34 1.67 0.55 1.22 1.18 1.26 2.48* 3.44* 2.21* 2.24* 2.87* 0.19
Sen’s slope (°C/year) 0.00 0.02 0.01 0.02 0.01 0.02 0.03 0.02 0.03 0.02 0.03 0.00
Tepid humid Z-test 1.63 1.73 0.41 1.98* 1.72 1.09 2.11* 2.01* 1.77 1.87 1.56 0.97
Sen’s slope (°C/year) 0.04 0.03 0.02 0.04 0.02 0.03 0.04 0.04 0.04 0.03 0.02 0.02
Tepid moist Z-test 2.65* 2.34* 0.23 0.44 − 0.10 0.85 1.97* 2.62* 3.37* 2.62* 1.82 0.88
Sen’s slope (°C/year) 0.04 0.03 0.00 0.01 − 0.01 0.02 0.03 0.02 0.03 0.03 0.02 0.02
Warm humid Z-test 1.90 1.46 0.41 1.87 1.69 1.50 1.85 1.46 1.80 1.39 1.53 0.75
Sen’s slope (°C/year) 0.05 0.04 0.02 0.04 0.02 0.03 0.04 0.03 0.03 0.02 0.02 0.01
Warm moist Z-test 0.50 1.56 − 0.26 1.31 1.12 2.38* 2.55* 2.68* 2.69* 2.16* 1.85 − 0.89
Sen’s slope (°C/year) 0.01 0.02 0.00 0.02 0.01 0.02 0.02 0.02 0.02 0.02 0.02 − 0.01
  1. * Statistically significant at 0.05% level