Itoigawa

Coordinates: 37°2′20.5″N 137°51′45.6″E / 37.039028°N 137.862667°E / 37.039028; 137.862667
Source: Wikipedia, the free encyclopedia.
Itoigawa
糸魚川市
City
Hisui Kaigan ("Jade Beach" Oya-shirazu Lake Takanami & Mt Myojo Charmant Hiuchi Snow Resort
Hisui Kaigan ("Jade Beach"
Oya-shirazuLake Takanami & Mt Myojo
Charmant Hiuchi Snow Resort
UTC+9 (Japan Standard Time)
Symbols 
• TreeSiebold's beech
• FlowerLilium japonicum
• BirdCommon kingfisher
• StoneJade
Phone number025-552-1511
Address1-2-5 Ichinomiya, Itoigawa-shi, Niigata-ken 941-8501
ClimateCfa
WebsiteOfficial website
Tsutsuishi city scape
Tsutsuishi funaya

Itoigawa (糸魚川市, Itoigawa-shi) is a city located in Niigata Prefecture, Japan. As of 31 January 2020, the city had an estimated population of 41,333, and a population density of 55 persons per km2. The total area of the city is 746.24 square kilometres (288.12 sq mi).[1]

Geography

Itoigawa is located in the far southwestern corner of Niigata Prefecture, bordered by the

Shizuoka in Shizuoka Prefecture, forming the western border of the Fossa Magna
.

Surrounding municipalities

Climate

Itoigawa has a Humid climate (Köppen Cfa) characterized by warm, wet summers and cold winters with heavy snowfall. The average annual temperature in Itoigawa is 14.4 °C (57.9 °F). The average annual rainfall is 2,901.5 mm (114.23 in) with December as the wettest month. The temperatures are highest on average in August, at around 26.6 °C (79.9 °F), and lowest in January, at around 3.6 °C (38.5 °F).[2] In addition, Itoigawa has the highest record warm daily minimum in Japan, at 31.3 °C (88.3 °F) on August 15, 2019.[3]

Climate data for Itoigawa (1991−2020 normals, extremes 1978−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 17.5
(63.5) 		23.6
(74.5) 		26.0
(78.8) 		30.7
(87.3) 		31.8
(89.2) 		34.7
(94.5) 		37.2
(99.0) 		39.3
(102.7) 		37.6
(99.7) 		35.1
(95.2) 		27.0
(80.6) 		23.5
(74.3) 		39.3
(102.7)
Mean daily maximum °C (°F) 7.0
(44.6) 		7.4
(45.3) 		10.9
(51.6) 		16.3
(61.3) 		21.2
(70.2) 		23.4
(74.1) 		28.5
(83.3) 		30.3
(86.5) 		26.6
(79.9) 		21.3
(70.3) 		15.7
(60.3) 		10.2
(50.4) 		18.3
(64.9)
Daily mean °C (°F) 3.6
(38.5) 		3.8
(38.8) 		6.7
(44.1) 		11.8
(53.2) 		16.8
(62.2) 		20.7
(69.3) 		25.0
(77.0) 		26.6
(79.9) 		22.8
(73.0) 		17.3
(63.1) 		11.6
(52.9) 		6.5
(43.7) 		14.4
(57.9)
Mean daily minimum °C (°F) 0.9
(33.6) 		0.7
(33.3) 		2.9
(37.2) 		7.6
(45.7) 		12.9
(55.2) 		17.7
(63.9) 		22.3
(72.1) 		23.6
(74.5) 		19.7
(67.5) 		14.0
(57.2) 		8.2
(46.8) 		3.4
(38.1) 		11.2
(52.2)
Record low °C (°F) −5.3
(22.5) 		−5.2
(22.6) 		−3.1
(26.4) 		−1.3
(29.7) 		5.1
(41.2) 		10.7
(51.3) 		15.4
(59.7) 		17.2
(63.0) 		11.4
(52.5) 		4.8
(40.6) 		0.8
(33.4) 		−4.2
(24.4) 		−5.3
(22.5)
Average precipitation mm (inches) 354.8
(13.97) 		225.5
(8.88) 		204.5
(8.05) 		135.1
(5.32) 		120.5
(4.74) 		168.0
(6.61) 		237.8
(9.36) 		223.3
(8.79) 		251.4
(9.90) 		232.4
(9.15) 		341.0
(13.43) 		407.4
(16.04) 		2,901.5
(114.23)
Average precipitation days (≥ 1.0 mm) 24.8 19.8 18.9 13.2 11.4 11.8 14.2 11.7 14.0 15.2 19.1 23.4 197.5
Mean monthly sunshine hours 52.9 85.2 135.4 178.8 205.3 160.4 159.2 195.2 138.9 133.9 99.7 66.6 1,611.5
Source 1: 理科年表
Source 2: Japan Meteorological Agency[2][4]

Demographics

Per Japanese census data,[5] the population of Itoigawa has declined steadily over the past 70 years and is now less than it was a century ago.

Historical population
YearPop.±%
1920 58,580—    
1930 63,103+7.7%
1940 64,019+1.5%
1950 78,727+23.0%
1960 77,641−1.4%
1970 67,785−12.7%
1980 61,488−9.3%
1990 56,803−7.6%
2000 53,021−6.7%
2010 47,702−10.0%
2020 40,765−14.5%

History

The area of present-day Itoigawa was part of ancient

Meiji restoration, with the establishment of the modern municipalities system on April 1, 1889, Itoigawa became a town within Nishikubiki District, Niigata
.

The modern city was created on June 1, 1954 when the former town of Itoigawa absorbed the villages of Uramoto, Shimohayakawa, Kamihayakawa, Yamatogawa, Saikai, Ōno (Daino), Nechi and Kotati (Otaki) to elevate city status. On April 1, 2005, the towns of Nō and Ōmi (both from Nishikubiki District) were merged into Itoigawa.

Oldest known jadeite-using culture

A great many

Neolithic era have been uncovered in Itoigawa. These beads and axes were traded throughout Japan and the Korean Peninsula and were produced by the world's oldest known jadeite-using culture, centered on the Itoigawa region.[6][7]

Government

Itoigawa has a

Diet of Japan
.

Economy

Commercial fishing and the production of limestone and cement are the mainstays of the local economy.

Education

Itoigawa has 14 public elementary schools and four public middle schools operated by the city government, and three public high schools operated by the Niigata Prefectural Bureau of Education. The city and prefecture also operate one special education school each for the handicapped.

Transportation

Railway

– Hokuriku Shinkansen

JR West - Ōito Line

Nihonkai Hisui Line

Ainokaze Toyama Railway

Highway

Local attractions

National Historic Sites

Notable people from Itoigawa

Main category: People from Itoigawa, Niigata
  • The poet Ryōkan (1758-1831) writes that Itoigawa is his former village.[10]
  • Pro Wrestling Zero-One
    )

References

  1. ^ "Itoigawa official statistics". Itoigawa City. 1 January 2021. Retrieved 3 January 2021.
  2. ^ a b "平年値（年・月ごとの値）". Japan Meteorological Agency. Retrieved 2012-08-10.
  3. ^ 最高気温の低い方から (各地点の観測史上1位の値を使ってランキングを作成)
  4. ^ "観測史上1～10位の値（年間を通じての値）". Japan Meteorological Agency. Retrieved 2012-08-10.
  5. ^ Itoigawa population statistics
  6. ^ Kijima, Tsutomu. 翡翠製大珠の加工と流通 (in Japanese).
  7. ^ Pearson, Richard. "International Jomon Culture Conference Bulletin 1 2004 (English version)". Retrieved 2016-06-30.
  8. ^ Itoigawa Global Geopark
  9. Japan Times
    , 24 August 2012, p. 15
  10. ^ One Robe, One Bowl; the Zen poetry of Ryokan. transl. John Stevens. 9th Ed. John Weatherhill, Inc., Tokyo. 1988.

External links

Wikimedia Commons has media related to Itoigawa, Niigata.
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