1. Average air temperatre in months | | 2006 | 2007 | 2008 | 2009 | 2010 | | Year | 25.1 | 25.0 | 24.4 | 24.8 | 25.3 | | January | 19.0 | 18.1 | 18.7 | 17.0 | 19.9 | | February | 20.5 | 22.1 | 14.9 | 22.8 | 22.0 | | March | 21.1 | 23.3 | 21.2 | 23.1 | 22.0 | | April | 25.9 | 24.5 | 25.6 | 25.4 | 25.3 | | May | 27.1 | 27.1 | 27.3 | 26.7 | 29.7 | | June | 31.1 | 30.3 | 29.5 | 30.3 | 30.9 | | July | 30.0 | 30.3 | 30.3 | 29.6 | 30.2 | | August | 28.3 | 28.6 | 29.5 | 28.1 | 27.8 | | Setember | 27.0 | 27.2 | 27.4 | 27.4 | 28.2 | | October | 26.2 | 24.9 | 26.2 | 25.4 | 24.1 | | November | 25.3 | 21.4 | 22.8 | 21.7 | 22.2 | | December | 20.6 | 21.9 | 19.4 | 20.5 | 20.5 |  Go top 2. Rainfall in months | | 2006 | 2007 | 2008 | 2009 | 2010 | | Year | 1,610.1 | 2,039.1 | 2,239.6 | 2,331.9 | 2,908.1 | | January | 105.7 | 53.3 | 53.4 | 56.4 | 65.5 | | February | 144.0 | 11.2 | 18.1 | 9.1 | 9.4 | | March | 64.4 | 81.7 | 35.9 | 83.3 | 12.8 | | April | 50.4 | 156.5 | 14.2 | 194.7 | 70.2 | | May | 83.7 | 142.6 | 164.8 | 145.1 | 43.5 | | June | 3.5 | 21.4 | 44.9 | 44.2 | 99.1 | | July | 36.6 | 29.2 | 11.7 | 59.6 | 308.8 | | August | 207.3 | 279.1 | 66.4 | 343.1 | 470.8 | | Setember | 371.2 | 161.2 | 698.1 | 1,007.0 | 112.5 | | October | 362.1 | 892.5 | 682.0 | 275.4 | 1,578.5 | | November | 46.7 | 145.6 | 352.9 | 76.4 | 67.2 | | December | 134.5 | 64.8 | 97.2 | 37.6 | 69.8 | Go top 3. Number off Administrative units as of 31/12/2010 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 | | 2007 | 2008 | 2010 | | TOTAL | 806,527 | 806,527 | 806,527 | | I. Annualture land | 71,381 | 71,529 | 79,618 | | Annual plant | 55,495 | 55,167 | 56,213 | | - Sown land of paddy. cereal | 30,855 | 31,072 | 30,934 | | - Weed land for animal raising | 1,535 | 1,535 | 1,456 | | - Others | 23,105 | 22,560 | 23,823 | | Perennial crop land | 15,761 | 16,206 | 23,200 | | Others | 125 | 156 | 205 | | II. Forestry land | 610,388 | 623,378 | 633,522 | | Productive forest | 288,040 | 300,382 | 305,231 | | Protective forest | 199,743 | 200,182 | 204,715 | | Specially used forest | 122,605 | 122,814 | 123,576 | | III. Aquatic water surface | 2,587 | 2,645 | 2,786 | | IV. Homestead land | 4,946 | 5,047 | 5,285 | | Urban | 582 | 594 | 613 | | Rural | 4,364 | 4453 | 4,672 | | V. Specially used land | 23,936 | 24,292 | 27,068 | | Land used by offices and non-profit agencies | 184 | 143 | 153 | | Security and defence land | 4,164 | 4,160 | 4,881 | | Land for non-agricultural production and business | 1,529 | 1,598 | 2,203 | | Public land | 18,059 | 18,391 | 19,831 | | VI. Non-agricultural land | 20,670 | 20,937 | 21,104 | | Religious land | 55 | 65 | 66 | | Cemetery | 2,615 | 2,613 | 2,833 | | Rivers and specialized water surfaces | 17,896 | 18,159 | 18,103 | | Others | 104 | 100 | 102 | | VII. Unused land | 72,619 | 58,699 | 37,144 | | Unused flat land | 13,654 | 13,318 | 11,730 | | Unused mountainous land | 54,398 | 40,862 | 17,754 | | Non tree rocky mountain | 4,567 | 4,519 | 7,660 | Go top |
