Lom Sak District

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Lom Sak
หล่มสัก
Amphoe
Thailand 438 lom sak.jpg
Amphoe location in Phetchabun Province
Amphoe location in Phetchabun Province
Coordinates: 16°46′46″N 101°14′32″E / 16.77944°N 101.24222°E / 16.77944; 101.24222Coordinates: 16°46′46″N 101°14′32″E / 16.77944°N 101.24222°E / 16.77944; 101.24222
Country Thailand
Province Phetchabun
Area
 • Total 1,535.3 km2 (592.8 sq mi)
Population (2000)
 • Total 150,680
 • Density 98.1/km2 (254/sq mi)
Time zone ICT (UTC+7)
Postal code 67110
Geocode 6703

Lom Sak (Thai: หล่มสัก, pronounced [lòm sàk]) is a district (amphoe) in the northern part of Phetchabun Province, northern Thailand.

History[edit]

The history of Lom Sak area dates back to the founding time of the Sukhothai kingdom in the 13th century. The governor of Mueang Rat (Lom Sak), Pho Khun Pha Mueang (พ่อขุนผาเมือง), was one of Thai warlords who defeated the Khmer from Siamese area. When Pho Khun Bang Klang Hao (พ่อขุนบางกลางหาว) and him established Sukhothai kingdom, he supported his friend to be the first king because his wife was Khmer.

In 1767 in the reign of King Taksin the Great, Phraya Chakri (the later King Rama I) return from his expedition to Vientiane through the area of present-day Lom Kao district. Some of people from Vientiane settled their new town there. When the new town grew bigger, they moved their town to the plain near the Pa Sak River and named the new town Lom Sak. Later other Lao from Vientiane, who were forced by King Taksin to settle around Lopburi, returned and joined Lom Sak.

According to the historian Prince Damrong Rajanubhab the Mueang Lom Sak was officially established in the reign of King Nangklao (Rama III). When King Chulalongkorn (Rama V) created the Monthon as part of the thesaphiban administrative reforms, Mueang Lom Sak was controlled by Monthon Phetchabun. Later it was downgraded to be a district of Phetchabun province. In 1916 the district was named Wat Pa (วัดป่า). The name of district was changed back to Lom Sak on November 11, 1938.

In the 1970s the hills of Lom Sak were one of the strongholds of the guerilla of the Communist Party of Thailand.

Geography[edit]

Neighboring districts are (from the north clockwise) Lom Kao and Nam Nao of Phetchabun Province, Khon San of Chaiyaphum Province, and Mueang Phetchabun and Khao Kho of Phetchabun again.

The Nam Nao National Park protects some of the hills of the district. Khao Kho National Park is currently in creation and will also cover parts of the district.

Climate[edit]

Climate data for Lom Sak (1981–2010)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 37.3
(99.1)
38.5
(101.3)
40.7
(105.3)
41.5
(106.7)
40.6
(105.1)
39.7
(103.5)
37.3
(99.1)
37.0
(98.6)
36.2
(97.2)
36.3
(97.3)
37.1
(98.8)
36.3
(97.3)
41.5
(106.7)
Average high °C (°F) 32.0
(89.6)
34.1
(93.4)
35.7
(96.3)
36.6
(97.9)
34.9
(94.8)
33.4
(92.1)
32.5
(90.5)
31.9
(89.4)
32.3
(90.1)
32.3
(90.1)
31.9
(89.4)
30.9
(87.6)
33.2
(91.8)
Daily mean °C (°F) 24.3
(75.7)
25.9
(78.6)
28.0
(82.4)
29.2
(84.6)
28.6
(83.5)
28.2
(82.8)
27.6
(81.7)
27.3
(81.1)
27.1
(80.8)
26.8
(80.2)
25.4
(77.7)
23.8
(74.8)
26.9
(80.4)
Average low °C (°F) 17.4
(63.3)
19.3
(66.7)
21.7
(71.1)
23.8
(74.8)
24.4
(75.9)
24.5
(76.1)
24.2
(75.6)
24.1
(75.4)
23.8
(74.8)
22.8
(73)
20.0
(68)
17.1
(62.8)
21.9
(71.4)
Record low °C (°F) 8.6
(47.5)
10.7
(51.3)
11.6
(52.9)
19.2
(66.6)
20.4
(68.7)
20.9
(69.6)
20.6
(69.1)
20.3
(68.5)
18.8
(65.8)
14.0
(57.2)
8.6
(47.5)
5.5
(41.9)
5.5
(41.9)
Average rainfall mm (inches) 4.8
(0.189)
17.1
(0.673)
43.8
(1.724)
63.2
(2.488)
150.8
(5.937)
136.2
(5.362)
128.6
(5.063)
198.1
(7.799)
193.6
(7.622)
88.5
(3.484)
13.9
(0.547)
4.5
(0.177)
1,043.1
(41.067)
Average rainy days 1.1 2.0 4.7 8.3 15.6 16.4 17.4 19.9 17.6 10.5 2.4 0.8 116.7
Average relative humidity (%) 63 61 63 67 76 79 80 83 83 78 70 65 72
Mean monthly sunshine hours 257.3 243.0 238.7 204.0 158.1 117.0 120.9 58.9 108.0 198.4 252.0 275.9 2,232.2
Mean daily sunshine hours 8.3 8.6 7.7 6.8 5.1 3.9 3.9 1.9 3.6 6.4 8.4 8.9 6.1
Source #1: Thai Meteorological Department[1]
Source #2: Office of Water Management and Hydrology, Royal Irrigation Department (sun and humidity)[2]

Administration[edit]

The district is divided into 23 sub-districts (tambon), which are further subdivided into 251 villages (muban). Lom Sak itself is a town (thesaban mueang) which covers the whole tambon Lom Sak. There are a further 20 Tambon administrative organizations (TAO).

1. Lom Sak หล่มสัก
2. Wat Pa วัดป่า
3. Tan Diao ตาลเดี่ยว
4. Fai Na Saeng ฝายนาแซง
5. Nong Sawang หนองสว่าง
6. Nam Hia น้ำเฮี้ย
7. Sak Long สักหลง
8. Tha Ibun ท่าอิบุญ
9. Ban Sok บ้านโสก
10. Ban Tio บ้านติ้ว
11. Huai Rai ห้วยไร่
12. Nam Ko น้ำก้อ
13. Pak Chong ปากช่อง
14. Nam Chun น้ำชุน
15. Nong Khwai หนองไขว่
16. Lan Ba ลานบ่า
17. Bung Khla บุ่งคล้า
18. Bung Namtao บุ่งน้ำเต้า
19. Ban Klang บ้านกลาง
20. Chang Talut ช้างตะลูด
21. Ban Rai บ้านไร่
22. Pak Duk ปากดุก
23. Ban Wai บ้านหวาย

References[edit]

  1. ^ "Climatological Data for the Period 1981–2010". Thai Meteorological Department. p. 7. Retrieved 1 August 2016. 
  2. ^ "ปริมาณการใช้น้ำของพืชอ้างอิงโดยวิธีของ Penman Monteith (Reference Crop Evapotranspiration by Penman Monteith)" (PDF) (in Thai). Office of Water Management and Hydrology, Royal Irrigation Department. p. 34. Retrieved 1 August 2016.