Table 3. Coefficient of exposure for 12 months.
| Month | Districts in Arunachal Pradesh | |||||||||||
| Tirap | Changl-ang | Lohit | LowerDibangValley | EastSiang | WestSiang | UpperSiang | UpperSub-ansiri | PapumPare | KurungKumey | EastKameng | WestKameng | |
| Jan | 1.0 | 1.4 | 0.9 | 1.7 | 3.6 | 1.0 | 1.4 | 1.0 | 2.5 | 0.9 | 1.9 | 1.4 |
| Feb | 1.0 | 1.0 | 1.1 | 1.8 | 4.0 | 1.2 | 1.3 | 2.5 | 1.8 | 0.7 | 1.5 | 1.4 |
| Mar | 1.1 | 1.5 | 1.5 | 2.2 | 4.7 | 1.9 | 1.2 | 1.4 | 2.9 | 0.8 | 2.2 | 1.4 |
| Apr | 1.0 | 1.4 | 1.9 | 2.1 | 5.9 | 1.9 | 1.0 | 1.2 | 5.1 | 1.3 | 4.6 | 1.1 |
| May | 1.7 | 2.4 | 4.2 | 4.6 | 9.3 | 3.8 | 1.2 | 1.3 | 6.1 | 1.3 | 8.5 | 1.2 |
| Jun | 4.0 | 6.1 | 9.0 | 15.5 | 9.7 | 6.0 | 1.6 | 2.6 | 7.3 | 1.4 | 8.9 | 1.3 |
| Jul | 3.3 | 6.8 | 13.1 | 14.9 | 23.4 | 7.4 | 2.2 | 4.8 | 9.3 | 1.5 | 9.7 | 1.3 |
| Aug | 3.0 | 5.0 | 8.0 | 5.9 | 19.5 | 5.5 | 2.1 | 2.6 | 5.9 | 1.5 | 21.0 | 1.5 |
| Sep | 2.5 | 5.8 | 7.0 | 6.9 | 11.6 | 4.6 | 2.0 | 3.4 | 4.8 | 1.7 | 19.4 | 1.0 |
| Oct | 1.9 | 7.2 | 5.7 | 6.3 | 10.1 | 2.3 | 1.3 | 2.8 | 6.3 | 2.0 | 6.6 | 1.4 |
| Nov | 1.7 | 8.8 | 5.0 | 4.3 | 7.8 | 1.6 | 1.0 | 1.7 | 3.9 | 1.3 | 13.9 | 1.0 |
| Dec | 1.0 | 4.5 | 2.1 | 3.4 | 3.9 | 1.3 | 0.9 | 1.1 | 1.6 | 0.9 | 2.6 | 1.4 |
| Avg αE | 1.9 | 4.3 | 5.0 | 5.8 | 9.5 | 3.2 | 1.4 | 2.2 | 4.8 | 1.3 | 8.4 | 1.3 |
| Avg αT | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.2 | 0.1 | 0.2 | 0.3 | 0.1 |
The twelve districts of Arunachal Pradesh with the coefficient of exposure (αE *10–3) for each month. The last row represents the average transmission coefficient αT (NBSP/NBSC).