Thung Chang District

Thung Chang (Thai: ทุ่งช้าง, pronounced [tʰûŋ t͡ɕʰáːŋ]) is a district (amphoe) in the northern part of Nan Province, northern Thailand.

Thung Chang

ทุ่งช้าง
District
District location in Nan Province
Coordinates: 19°23′14″N 100°52′33″E
CountryThailand
ProvinceNan
Government
 • District officerKiansak Pomthongkham
Area
 • Total760.811 km2 (293.751 sq mi)
Population
 (2013)
 • Total18,375
 • Density24/km2 (63/sq mi)
Time zoneUTC+7 (ICT)
Postal code55130
Geocode5508

History

Thung Chang District dates back to the Khwaeng Khun Nan (ขุนน่าน), which was converted into the district Lae (และ) in 1914. In 1961 it was renamed Thung Chang, as the district office had been moved to tambon Thung Chang.[1][2]

Geography

Neighboring districts are, from the east clockwise, Chaloem Phra Kiat, Pua, Chiang Klang and Song Khwae of Nan Province. To the north is Xaignabouli of Laos.

The eastern part of the district is in the Luang Prabang Range of the Thai highlands.[3]

Climate
Climate data for Thung Chang (1981–2010)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 35.8
(96.4)		 36.4
(97.5)		 38.7
(101.7)		 40.3
(104.5)		 39.9
(103.8)		 37.5
(99.5)		 36.8
(98.2)		 36.5
(97.7)		 35.0
(95.0)		 35.0
(95.0)		 34.4
(93.9)		 33.5
(92.3)		 40.3
(104.5)
Average high °C (°F) 29.7
(85.5)		 32.0
(89.6)		 34.1
(93.4)		 34.9
(94.8)		 32.8
(91.0)		 31.8
(89.2)		 30.7
(87.3)		 30.6
(87.1)		 31.2
(88.2)		 31.3
(88.3)		 30.2
(86.4)		 28.8
(83.8)		 31.5
(88.7)
Daily mean °C (°F) 20.4
(68.7)		 22.1
(71.8)		 24.8
(76.6)		 27.2
(81.0)		 27.0
(80.6)		 27.1
(80.8)		 26.5
(79.7)		 26.3
(79.3)		 26.0
(78.8)		 25.3
(77.5)		 22.5
(72.5)		 20.4
(68.7)		 24.6
(76.3)
Average low °C (°F) 13.5
(56.3)		 14.7
(58.5)		 17.4
(63.3)		 21.2
(70.2)		 22.9
(73.2)		 23.8
(74.8)		 23.6
(74.5)		 23.5
(74.3)		 22.8
(73.0)		 21.1
(70.0)		 17.1
(62.8)		 14.4
(57.9)		 19.7
(67.5)
Record low °C (°F) 7.0
(44.6)		 8.6
(47.5)		 10.5
(50.9)		 14.2
(57.6)		 18.0
(64.4)		 21.0
(69.8)		 20.0
(68.0)		 21.4
(70.5)		 17.5
(63.5)		 13.6
(56.5)		 9.3
(48.7)		 2.6
(36.7)		 2.6
(36.7)
Average rainfall mm (inches) 22.5
(0.89)		 15.3
(0.60)		 46.2
(1.82)		 120.5
(4.74)		 220.1
(8.67)		 216.2
(8.51)		 328.2
(12.92)		 386.7
(15.22)		 270.0
(10.63)		 90.5
(3.56)		 20.5
(0.81)		 13.4
(0.53)		 1,750.1
(68.90)
Average rainy days 2.0 1.5 4.3 10.0 18.0 17.8 21.7 24.5 18.4 10.7 3.2 1.2 133.3
Average relative humidity (%) 79 74 71 75 82 85 87 89 87 84 80 79 81
Mean monthly sunshine hours 322.4 305.1 350.3 279.0 220.1 198.0 161.2 117.8 183.0 269.7 264.0 285.2 2,955.8
Mean daily sunshine hours 10.4 10.8 11.3 9.3 7.1 6.6 5.2 3.8 6.1 8.7 8.8 9.2 8.1
Source 1: Thai Meteorological Department[4]
Source 2: Office of Water Management and Hydrology, Royal Irrigation Department (sun and humidity)[5]

Administration

Central administration

Thung Chang is divided into four sub-districts (tambons), which are further subdivided into 40 administrative villages (mubans).

No. Name Thai Villages Pop.[6]
01.Ponปอน082,761
02.Ngopงอบ115,551
03.Laeและ144,642
04.Thung Changทุ่งช้าง075,421

Local administration

There are two sub-district municipalities (thesaban tambons) in the district:

  • Ngop (Thai: เทศบาลตำบลงอบ) consisting of sub-district Ngop.
  • Thung Chang (Thai: เทศบาลตำบลทุ่งช้าง) consisting of parts of sub-districts Lae and Thung Chang.

There are three sub-district administrative organizations (SAO) in the district:

  • Pon (Thai: องค์การบริหารส่วนตำบลปอน) consisting of sub-district Pon.
  • Lae (Thai: องค์การบริหารส่วนตำบลและ) consisting of parts of sub-district Lae.
  • Thung Chang (Thai: องค์การบริหารส่วนตำบลทุ่งช้าง) consisting of parts of sub-district Thung Chang.

References
  1. nakornnan.com
  2. พระราชกฤษฎีกาเปลี่ยนชื่ออำเภอและตำบลบางแห่ง พ.ศ. ๒๕๐๔ (PDF). Royal Gazette (in Thai). 78 (33 ก): 382-. April 11, 1961.
  3. ดร.กระมล ทองธรรมชาติ และคณะ, สังคมศึกษา ศาสนาและวัฒนธรรม ม.1, สำนักพิมพ์ อักษรเจริญทัศน์ อจท. จำกัด, 2548, หน้า 24-25
  4. "Climatological Data for the Period 1981–2010". Thai Meteorological Department. p. 4. Retrieved 31 July 2016.
  5. "ปริมาณการใช้น้ำของพืชอ้างอิงโดยวิธีของ Penman Monteith (Reference Crop Evapotranspiration by Penman Monteith)" (PDF) (in Thai). Office of Water Management and Hydrology, Royal Irrigation Department. p. 25. Retrieved 31 July 2016.
  6. "Population statistics 2013" (in Thai). Department of Provincial Administration. Retrieved 2014-12-03.
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