1. Average air temperatre in months | | 2007 | 2008 | 2009 | 2010 | 2011 | | Year | 25.0 | 24.4 | 24.8 | 25.3 | 23.4 | | January | 18.1 | 18.7 | 17.0 | 19.9 | 15.2 | | February | 22.1 | 14.9 | 22.8 | 22.0 | 18.4 | | March | 23.3 | 21.2 | 23.1 | 22.0 | 17.5 | | April | 24.5 | 25.6 | 25.4 | 25.3 | 23.3 | | May | 27.1 | 27.3 | 26.7 | 29.7 | 27.0 | | June | 30.3 | 29.5 | 30.3 | 30.9 | 30.1 | | July | 30.3 | 30.3 | 29.6 | 30.2 | 29.5 | | August | 28.6 | 29.5 | 28.1 | 27.8 | 28.2 | | Setember | 27.2 | 27.4 | 27.4 | 28.2 | 26.7 | | October | 24.9 | 26.2 | 25.4 | 24.1 | 23.8 | | November | 21.4 | 22.8 | 21.7 | 22.2 | 23.3 | | December | 21.9 | 19.4 | 20.5 | 20.5 | 17.2 |  Go top 2. Rainfall in months | | 2007 | 2008 | 2009 | 2010 | 2011 | | Year | 2,039.1 | 2,239.6 | 2,331.9 | 2,908.1 | 2,662.2 | | January | 53.3 | 53.4 | 56.4 | 65.5 | 48.8 | | February | 11.2 | 18.1 | 9.1 | 9.4 | 27.1 | | March | 81.7 | 35.9 | 83.3 | 12.8 | 77.7 | | April | 156.5 | 14.2 | 194.7 | 70.2 | 28.3 | | May | 142.6 | 164.8 | 145.1 | 43.5 | 89.6 | | June | 21.4 | 44.9 | 44.2 | 99.1 | 33.6 | | July | 29.2 | 11.7 | 59.6 | 308.8 | 89.4 | | August | 279.1 | 66.4 | 343.1 | 470.8 | 125.2 | | Setember | 161.2 | 698.1 | 1,007.0 | 112.5 | 772.5 | | October | 892.5 | 682.0 | 275.4 | 1,578.5 | 930.5 | | November | 145.6 | 352.9 | 76.4 | 67.2 | 331.3 | | December | 64.8 | 97.2 | 37.6 | 69.8 | 107.6 | Go top 3. Number off Administrative units as of 31/12/2011 by district | | Total | Of which | | Commune | Town | Precinct | | TOTAL | 159 | 141 | 8 | 10 | | Dong Hoi city | 16 | 6 | - | 10 | | Minh Hoa district | 16 | 15 | 1 | - | | Tuyen Hoa district | 20 | 19 | 1 | - | | Quang Trach district | 34 | 33 | 1 | - | | Bo Trach district | 30 | 28 | 2 | - | | Quang Ninh district | 15 | 14 | 1 | - | | Le Thuy district | 28 | 26 | 2 | - | Go top 4. Land use | | 2008 | 2010 | 2011 | | TOTAL | 806,527 | 806,527 | 806,527 | | I. Annualture land | 71,529 | 79,618 | 79,744 | | Annual plant | 55,167 | 56,213 | 55,967 | | - Sown land of paddy. cereal | 31,072 | 30,934 | 30,869 | | - Weed land for animal raising | 1,535 | 1,456 | 1,429 | | - Others | 22,560 | 23,823 | 23,669 | | Perennial crop land | 16,206 | 23,200 | 23,572 | | Others | 156 | 205 | 205 | | II. Forestry land | 623,378 | 633,522 | 633,184 | | Productive forest | 300,382 | 305,231 | 304,943 | | Protective forest | 200,182 | 204,715 | 204,665 | | Specially used forest | 122,814 | 123,576 | 123,576 | | III. Aquatic water surface | 2,645 | 2,786 | 2,877 | | IV. Homestead land | 5,047 | 5,285 | 5,395 | | Urban | 594 | 613 | 625 | | Rural | 4453 | 4,672 | 4,770 | | V. Specially used land | 24,292 | 27,068 | 27,467 | | Land used by offices and non-profit agencies | 143 | 153 | 157 | | Security and defence land | 4,160 | 4,881 | 4,890 | | Land for non-agricultural production and business | 1,598 | 2,203 | 2,251 | | Public land | 18,391 | 19,831 | 20,169 | | VI. Non-agricultural land | 20,937 | 21,104 | 21,164 | | Religious land | 65 | 66 | 70 | | Cemetery | 2,613 | 2,833 | 2,870 | | Rivers and specialized water surfaces | 18,159 | 18,103 | 18,122 | | Others | 100 | 102 | 102 | | VII. Unused land | 58,699 | 37,144 | 36,696 | | Unused flat land | 13,318 | 11,730 | 11,433 | | Unused mountainous land | 40,862 | 17,754 | 17,604 | | Non tree rocky mountain | 4,519 | 7,660 | 7,659 | Go top |
