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Table 3

Modified Mann–Kendall statistics (Z*) and Sen's slope (b) for the 10 EPIs in different sub-regions of China

EPIIndexSub-region IIIIIIIVVVIVIIMainland China
RX1day Z1.94 − 2.21* 1.9 0.18 − 2.09* 1.83 1.01 0.94 
b (day year−1) 0.06 0.06 0.03 0.01 0.14 0.15 0.07 0.04 
RX5day Z2.03* − 2.04* 1.84 0.91 1.3 1.5 1.19 0.77 
b (day year−1) 0.09 0.08 0.07 0.07 0.21 0.19 0.16 0.04 
SDII Z1.79 0.11 1.93 0.93 0.33 1.96* 1.83 1.78 
b (mm day−1 year−1) 0.01 0.01 0.01 0.02 0.01 
R10 Z2.02* 0.53 1.94 0.39 1.37 −0.87 1.63 0.02 
b (day year−1) 0.02 0.03 −0.01 −0.02 −0.02 0.03 
R20 Z1.96* −1.04 2.03* −1.03 −1.11 1.61 1.65 1.82 
b (day year−1) 0.01 0.01 −0.01 −0.01 0.02 0.03 0.01 
CWD Z2.10* −1.75 −1.48 −1.76 −1.76 2.18* −1.95 2.05* 
b (day year1) 0.01 −0.01 −0.01 −0.01 −0.02 −0.01 −0.01 
CDD Z−1.9 −1.3 −1.66 −1.7 0.42 −0.45 0.62 −1.87 
b (day year1) −0.21 −0.07 −0.14 −0.12 0.01 −0.01 0.02 −0.06 
R95p Z2.01* 2.42* 1.96* −0.79 −1.51 1.84 1.52 1.86 
b (mm year1) 0.27 −0.21 0.33 −0.13 −0.5 1.2 1.02 0.45 
R99p Z1.95 2.39* 1.8 0.33 −1.61 1.83 1.15 1.49 
b (mm year1) 0.11 −0.12 0.15 0.04 −0.24 0.69 0.26 0.19 
PRCPTOT Z2.09* −0.37 2.01* −0.3 −1.49 1.2 1.87 1.6 
b (mm year1) 0.74 −0.08 0.72 −0.11 −1.04 0.79 1.42 0.4 
EPIIndexSub-region IIIIIIIVVVIVIIMainland China
RX1day Z1.94 − 2.21* 1.9 0.18 − 2.09* 1.83 1.01 0.94 
b (day year−1) 0.06 0.06 0.03 0.01 0.14 0.15 0.07 0.04 
RX5day Z2.03* − 2.04* 1.84 0.91 1.3 1.5 1.19 0.77 
b (day year−1) 0.09 0.08 0.07 0.07 0.21 0.19 0.16 0.04 
SDII Z1.79 0.11 1.93 0.93 0.33 1.96* 1.83 1.78 
b (mm day−1 year−1) 0.01 0.01 0.01 0.02 0.01 
R10 Z2.02* 0.53 1.94 0.39 1.37 −0.87 1.63 0.02 
b (day year−1) 0.02 0.03 −0.01 −0.02 −0.02 0.03 
R20 Z1.96* −1.04 2.03* −1.03 −1.11 1.61 1.65 1.82 
b (day year−1) 0.01 0.01 −0.01 −0.01 0.02 0.03 0.01 
CWD Z2.10* −1.75 −1.48 −1.76 −1.76 2.18* −1.95 2.05* 
b (day year1) 0.01 −0.01 −0.01 −0.01 −0.02 −0.01 −0.01 
CDD Z−1.9 −1.3 −1.66 −1.7 0.42 −0.45 0.62 −1.87 
b (day year1) −0.21 −0.07 −0.14 −0.12 0.01 −0.01 0.02 −0.06 
R95p Z2.01* 2.42* 1.96* −0.79 −1.51 1.84 1.52 1.86 
b (mm year1) 0.27 −0.21 0.33 −0.13 −0.5 1.2 1.02 0.45 
R99p Z1.95 2.39* 1.8 0.33 −1.61 1.83 1.15 1.49 
b (mm year1) 0.11 −0.12 0.15 0.04 −0.24 0.69 0.26 0.19 
PRCPTOT Z2.09* −0.37 2.01* −0.3 −1.49 1.2 1.87 1.6 
b (mm year1) 0.74 −0.08 0.72 −0.11 −1.04 0.79 1.42 0.4 

The ‘*’ and significant at the 95% confidence level (|Zm| ≥ 1.96).

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