Chiang Rai Province in northern Thailand is projected to experience some of the largest relative increases in precipitation within the LMB with annual precipitation increasing by 9 to 18% (Figure 2). The greatest relative increase in precipitation is projected to occur in December with a close to 50% increase in precipitation from 11 to 16 mm/month. The greatest absolute increase will occur during the wet season month of September with over 30 mm of additional rainfall projected for that month (11% increase).