
| Station | January | February | March | April | May | June | July |
| ** | In Percent | In Percent | In Percent | In Percent | In Percent | In Percent | In Percent |
| Hill Station | |||||||
| Kalimpong | 90 | 82 | 76 | 82 | 86 | 89 | 91 |
| Darjeeling | 94 | 95 | 92 | 84 | 93 | 96 | 97 |
| Sub Himalayan West Bengal | |||||||
| Jalpaiguri | 88 | 81 | 74 | 75 | 75 | 84 | 87 |
| Cooch Behar | 87 | 78 | 73 | 73 | 78 | 85 | 87 |
| Balurghat | 69 | 79 | .. | .. | 85 | 80 | 83 |
| Malda | 83 | 71 | 71 | 71 | 74 | 76 | 86 |
| Gangetic west Bengal | |||||||
| Kolkata | 84 | 75 | 79 | 76 | 75 | 78 | 86 |
| Krishnagar | 87 | 84 | 85 | 84 | 85 | 84 | 88 |
| Berhampur | 84 | 74 | 71 | 75 | 81 | 83 | 90 |
| Burdwan | 82 | 71 | 75 | 74 | 75 | 78 | 88 |
| Suri | 85 | 69 | 69 | 67 | 69 | 74 | 88 |
| Bankura | 88 | 77 | 72 | 71 | 73 | 74 | 89 | Midnapore | 77 | 64 | 71 | 70 | 76 | 74 | 87 | Purulia | .. | .. | .. | .. | .. | .. | .. |
| Station | August | September | October | November | December |
| ** | In Percent | In Percent | In Percent | In Percent | In Percent |
| Hill Station | |||||
| Kalimpong | 96 | 85 | 76 | 75 | .. |
| Darjeeling | 98 | 89 | 94 | 84 | 89 |
| Sub Himalayan West Bengal | |||||
| Jalpaiguri | 90 | 81 | 83 | 79 | 79 |
| Cooch Behar | 90 | 84 | 79 | 74 | 70 |
| Balurghat | 83 | .. | .. | 85 | 85 |
| Malda | 85 | 80 | 85 | 90 | 74 |
| Gangetic west Bengal | |||||
| Kolkata | 86 | 84 | 87 | 78 | 73 |
| Krishnagar | 86 | 83 | 85 | 75 | 79 |
| Berhampur | 89 | 88 | 91 | 83 | 77 |
| Burdwan | 85 | 85 | 88 | 72 | 73 |
| Suri | 85 | 84 | 88 | 77 | 78 |
| Bankura | 87 | 87 | 90 | 85 | 85 | Midnapore | 85 | 87 | 86 | 71 | 70 | Purulia | .. | .. | .. | .. | .. |