1. Average air temperatre in months | | 2005 | 2006 | 2007 | 2008 | 2009 | | Year | 24,8 | 25,1 | 25,0 | 24,4 | 24,8 | | January | 18,9 | 19,0 | 18,1 | 18,7 | 17,0 | | February | 21,2 | 20,5 | 22,1 | 14,9 | 22,8 | | March | 19,9 | 21,1 | 23,3 | 21,2 | 23,1 | | April | 25,0 | 25,9 | 24,5 | 25,6 | 25,4 | | May | 29,9 | 27,1 | 27,1 | 27,3 | 26,7 | | June | 31,4 | 31,1 | 30,3 | 29,5 | 30,3 | | July | 29,4 | 30,0 | 30,3 | 30,3 | 29,6 | | August | 28,6 | 28,3 | 28,6 | 29,5 | 28,1 | | Setember | 27,3 | 27,0 | 27,2 | 27,4 | 27,4 | | October | 25,4 | 26,2 | 24,9 | 26,2 | 25,4 | | November | 23,4 | 25,3 | 21,4 | 22,8 | 21,7 | | December | 18,3 | 20,6 | 21,9 | 19,4 | 20,5 |  Go top 2. Rainfall in months | | 2005 | 2006 | 2007 | 2008 | 2009 | | Year | 2,208,5 | 1,610,1 | 2,039,1 | 2,239,6 | 2,331,9 | | January | 51,9 | 105,7 | 53,3 | 53,4 | 56,4 | | February | 19,8 | 144,0 | 11,2 | 18,1 | 9,1 | | March | 50,0 | 64,4 | 81,7 | 35,9 | 83,3 | | April | 18,5 | 50,4 | 156,5 | 14,2 | 194,7 | | May | 87,3 | 83,7 | 142,6 | 164,8 | 145,1 | | June | 35,3 | 3,5 | 21,4 | 44,9 | 44,2 | | July | 106,1 | 36,6 | 29,2 | 11,7 | 59,6 | | August | 326,9 | 207,3 | 279,1 | 66,4 | 343,1 | | Setember | 417,7 | 371,2 | 161,2 | 698,1 | 1,007,0 | | October | 569,1 | 362,1 | 892,5 | 682,0 | 275,4 | | November | 352,3 | 46,7 | 145,6 | 352,9 | 76,4 | | December | 173,6 | 134,5 | 64,8 | 97,2 | 37,6 | Go top 3. Number off Administrative units as of 31/12/2009 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 | | 2006 | 2007 | 2008 | | TOTAL | 805,503 | 806,527 | 806,527 | | I. Annualture land | 68,839 | 71,381 | 71,529 | | Annual plant | 54,731 | 55,495 | 55,167 | | - Sown land of paddy, cereal | 30,630 | 30,855 | 31,072 | | - Weed land for animal raising | 1,867 | 1,535 | 1,535 | | - Others | 22,233 | 23,105 | 22,560 | | Perennial crop land | 13,897 | 15,761 | 16,206 | | Others | 211 | 125 | 156 | | II. Forestry land | 588,818 | 610,388 | 623,378 | | Productive forest | 263,471 | 288,040 | 300,382 | | Protective forest | 233,554 | 199,743 | 200,182 | | Specially used forest | 91,793 | 122,605 | 122,814 | | III. Aquatic water surface | 2,544 | 2,587 | 2,645 | | IV. Homestead land | 4,822 | 4,946 | 5,047 | | Urban | 571 | 582 | 594 | | Rural | 4,251 | 4,364 | 4,453 | | V. Specially used land | 20,508 | 23,936 | 24,292 | | Land used by offices and non-profit agencies | 201 | 184 | 143 | | Security and defence land | 4,147 | 4,164 | 4,160 | | Land for non-agricultural production and business | 1,454 | 1,529 | 1,598 | | Public land | 14,706 | 18,059 | 18,391 | | VI. Non-agricultural land | 23,252 | 20,670 | 20,937 | | Religious land | 55 | 55 | 65 | | Cemetery | 2,552 | 2,615 | 2,613 | | Rivers and specialized water surfaces | 20,544 | 17,896 | 18,159 | | Others | 101 | 104 | 100 | | VII. Unused land | 96,720 | 72,619 | 58,699 | | Unused flat land | 15,667 | 13,654 | 13,318 | | Unused mountainous land | 73,957 | 54,398 | 40,862 | | Non tree rocky mountain | 7,096 | 4,567 | 4,519 | Go top |
