RAINFALL SITUATION UP TO 0900 HOURS ON : 23-10-2021 (in millimeter)
| Location | Normal for October | Rainfall on | Monthly cumulative (up to 23-10-2021) | ||
| 21-10-2021 | 22-10-2021 | 23-10-2021 | |||
| Brahmaputra Basin | |||||
| Bogra | 144.70 | 40.50 | 0.00 | 0.00 | 105.50 |
| Chilmari | 160.10 | 27.00 | 0.00 | 0.00 | 105.00 |
| Dalia | 138.80 | 60.00 | 0.00 | 0.00 | 318.00 |
| Dewanganj | 176.50 | 10.00 | 0.00 | 0.00 | 20.00 |
| Dhaka | 166.60 | 42.00 | 0.00 | 0.00 | 89.50 |
| Gaibandha | 133.20 | 59.00 | 0.00 | 0.00 | 127.00 |
| Jamalpur | 136.10 | 0.00 | 0.00 | 0.00 | 5.00 |
| Kaunia | 152.10 | 23.00 | 0.00 | 0.00 | 162.00 |
| Kurigram | 174.40 | 67.00 | 0.00 | 0.00 | 237.00 |
| Mymensingh | 209.80 | 9.50 | 0.00 | 0.00 | 93.90 |
| Rangpur | 130.00 | 28.00 | 0.00 | 0.00 | 286.00 |
| Serajganj | 142.00 | 26.80 | 0.00 | 0.00 | 117.20 |
| Tangail | 144.90 | 9.00 | 0.00 | 0.00 | 206.00 |
| Ganges Basin | |||||
| Barguna | 223.00 | 12.02 | 0.00 | 0.00 | 320.16 |
| Barisal | 175.00 | 7.00 | 0.00 | 0.00 | 251.00 |
| Bhagyakul | N/A | 12.50 | 0.00 | 18.50 | 85.00 |
| Chapai-Nawabganj | 95.00 | 26.00 | 0.00 | 0.00 | 158.00 |
| Dinajpur | 113.20 | 56.50 | 0.00 | 0.00 | 329.00 |
| Faridpur | 20.30 | 1.50 | 1.50 | 0.00 | 92.00 |
| Jessore | 120.30 | 4.50 | 0.00 | 0.00 | 111.60 |
| Khulna | 143.10 | 10.00 | 0.00 | 0.00 | 255.00 |
| Kushtia | 118.10 | 11.00 | 0.00 | 0.00 | 105.50 |
| Madaripur | 87.00 | 2.70 | 0.00 | 0.00 | 169.00 |
| Mohadevpur | 115.30 | 33.00 | 0.00 | 0.00 | 92.00 |
| Naogaon | 113.20 | 32.00 | 0.00 | 0.00 | 88.00 |
| Pabna | 124.00 | 11.50 | 0.00 | 0.00 | 91.50 |
| Panchagarh | 101.40 | 17.00 | 0.00 | 0.00 | 385.50 |
| Patuakhali | 189.50 | 1.00 | 0.00 | 10.40 | 275.20 |
| Rajshahi | 97.00 | 4.00 | 0.00 | 0.00 | 131.00 |
| Rohanpur | 103.00 | 48.00 | 0.00 | 0.00 | 115.00 |
| Satkhira | 126.00 | 0.00 | 0.00 | 0.00 | 178.50 |
| Meghna Basin | |||||
| B. Baria | N/A | 12.00 | 0.00 | 0.00 | 57.00 |
| Bhairab-Bazar | 153.70 | 26.00 | 0.00 | 0.00 | 181.00 |
| Chandpur | 119.00 | 6.00 | 0.00 | 0.00 | 168.50 |
| Comilla | 152.50 | 12.00 | 0.00 | 0.00 | 80.00 |
| Durgapur | 203.60 | 35.00 | 0.00 | 0.00 | 198.00 |
| Habiganj | 176.80 | 45.00 | 0.00 | 0.00 | 146.50 |
| Jariajanjail | 88.00 | 25.00 | 0.00 | 0.00 | 156.00 |
| Kanaighat | 263.20 | 64.00 | 0.00 | 0.00 | 233.00 |
| Lourergorh | 156.00 | 20.00 | 0.00 | 0.00 | 295.00 |
| Manu-Rly-Br. | 202.90 | 35.00 | 8.00 | 0.00 | 184.00 |
| Moulvi-Bazar | 143.10 | 10.00 | 0.00 | 0.00 | 40.00 |
| Nakuagaon | 160.00 | 14.50 | 0.00 | 0.00 | 132.50 |
| Narsingdi | N/A | 16.30 | 0.00 | 0.00 | 55.10 |
| Sheola | 211.90 | 89.00 | 4.00 | 0.00 | 290.00 |
| Sherpur-Sylhet | 88.00 | NP | NP | NP | NP |
| Sunamganj | 273.10 | 60.00 | 0.00 | 0.00 | 255.00 |
| Sylhet | 241.90 | 36.00 | 0.00 | 0.00 | 236.00 |
| South Eastern Hill Basin | |||||
| Bandarban | 184.50 | 6.50 | 0.00 | 0.00 | 139.30 |
| Chittagong | 220.30 | 32.50 | 0.00 | 0.00 | 262.50 |
| Lama | 176.00 | 26.00 | 1.40 | 0.00 | 202.70 |
| Narayan-Hat | 101.40 | 12.00 | 0.00 | 0.00 | 234.50 |
| Noakhali | 187.40 | 79.00 | 0.00 | 0.00 | 271.80 |
| Panchpukuria | 175.00 | 26.00 | 0.00 | 0.00 | 93.00 |
| Parshuram | 142.40 | 17.50 | 0.00 | 0.00 | 95.00 |
| Ramgarh | 237.00 | 12.20 | 0.00 | 0.00 | 227.80 |
| Rangamati | 151.50 | NP | NP | NP | NP |
| Teknaf | 50.00 | 54.00 | 5.00 | 0.00 | 161.00 |