Table 3.
Z values of Mann-Kendall test in 26 stations of SPEI 03, SPEI 06, SPEI 09, SPEI 12, and SPEI 24 for the time period of 1979–2019. Bold values represent the significant trend.
| Climatic zone | Station | SPEI 03 | SPEI 06 | SPEI 09 | SPEI 12 | SPEI 24 |
|---|---|---|---|---|---|---|
| South Eastern Zone | Barisal | -2.84 | -3.49 | -3.31 | -2.75 | -3.79 |
| Chattogram | -1.22 | -0.80 | -1.13 | -1.47 | 0.21 | |
| Cox's Bazar | -1.02 | -0.12 | 0.60 | 0.48 | 0.30 | |
| Hatiya | -0.29 | 1.15 | 2.06 | 1.79 | 2.95 | |
| Khepupara | -0.62 | 0.38 | 1.01 | 0.83 | 0.99 | |
| M.Court | -0.10 | 1.25 | 2.13 | 2.06 | 1.85 | |
| Patuakhali | -2.02 | -0.99 | -1.06 | -0.80 | -1.20 | |
| Rangamati | -0.10 | 0.03 | -0.26 | -0.73 | 0.26 | |
| Sitakunda | -0.33 | 0.15 | 1.18 | 1.45 | 2.44 | |
| Teknaf | 1.18 | 2.39 | 2.98 | 2.26 | 2.44 | |
| North-eastern zone | Srimongal | -1.70 | 0.51 | 0.39 | 0.46 | 0.55 |
| Sylhet | -1.22 | -0.80 | -1.13 | -1.47 | 0.21 | |
| Northern part of northern region | Rangpur | -1.88 | -2.41 | -2.35 | -3.04 | -3.65 |
| North western region | Bogra | -2.28 | -2.30 | -2.82 | -2.80 | -4.50 |
| Dinajpur | -1.58 | -2.44 | -3.02 | -3.29 | -3.02 | |
| Ishurdi | -1.97 | -1.65 | -2.37 | -2.30 | -3.45 | |
| Western zone | Rajshahi | -2.57 | -2.89 | -3.04 | -2.73 | -4.35 |
| South western zone | Faridpur | -3.76 | -3.43 | -2.66 | -3.45 | -4.30 |
| Jashore | -1.67 | -2.41 | -2.03 | -2.03 | -1.52 | |
| Khulna | -2.12 | -3.04 | -2.01 | -1.52 | -1.65 | |
| Satkhira | -0.69 | 0.12 | -0.93 | -0.71 | -0.30 | |
| South Central Zone | Chandpur | -2.33 | -1.54 | -0.51 | -1.70 | -1.43 |
| Comilla | -1.18 | -0.60 | -0.26 | -0.73 | -0.93 | |
| Dhaka | -2.71 | -2.82 | -2.89 | -2.39 | -2.64 | |
| Madaripur | -2.01 | -0.26 | -0.64 | -1.29 | -2.12 | |
| Mymensingh | -0.95 | -0.01 | 0.01 | -0.55 | -1.92 |