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Ryūgasaki, Ibaraki

Coordinates: 35°54′41.6″N 140°10′56.3″E / 35.911556°N 140.182306°E / 35.911556; 140.182306
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For the fictional character Takashi Ryuugasaki, see Cyber Team in Akihabara § Other_significant_characters.
Ryūgasaki
龍ケ崎りゅうがさき市し
City
Ryūgasaki city hall
Ryūgasaki city hall
Flag of Ryūgasaki
Flag
Official seal of Ryūgasaki
Seal
Location of Ryūgasaki in Ibaraki Prefecture
Location of Ryūgasaki in Ibaraki Prefecture
Ryūgasaki is located in Japan
Ryūgasaki
Ryūgasaki
 
Coordinates: 35°54′41.6″N 140°10′56.3″E / 35.911556°N 140.182306°E / 35.911556; 140.182306
CountryJapan
RegionKantō
PrefectureIbaraki
Area
 • Total78.55 km2 (30.33 sq mi)
Population
 (January 2024)
 • Total75,212
 • Density960/km2 (2,500/sq mi)
Time zoneUTC+9 (Japan Standard Time)
Phone number0297-64-1111
Address3710 Banchi, Ryūgasaki-shi, Ibaraki-ken 301-8611
ClimateCfa
WebsiteOfficial website
Symbols
BirdSwan
FlowerPlatycodon grandiflorus
TreePinus

Ryūgasaki (龍ケ崎りゅうがさき市し, Ryūgasaki-shi) is a city located in Ibaraki Prefecture, Japan. As of 1 January 2024, the city had an estimated population of 75,212 in 33,421 households and a population density of 958 persons per km². The percentage of the population aged over 65 was 31.1% in July 2020.[1] The total area of the city is 78.59 square kilometres (30.34 sq mi).

Geography

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Ryūgasaki is located in southern Ibaraki Prefecture, in the low-lying flatlands south of Lake Kasumigaura. The Kokai River runs through the western part of the city, and the basin is dotted with tributaries and lakes. Lake Ushiku, despite its name, is entirely within the city of Ryūgasaki.

Surrounding municipalities

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Ibaraki Prefecture

Climate

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Ryūgasaki has a Humid continental climate (Köppen Cfa) characterized by warm summers and cool winters with light snowfall. The average annual temperature in Ryūgasaki is 14.5 °C (58.1 °F). The average annual rainfall is 1,352.8 mm (53.26 in) with October as the wettest month. The temperatures are highest on average in August, at around 25.8 °C (78.4 °F), and lowest in January, at around 3.3 °C (37.9 °F).[2]

Climate data for Ryūgasaki (1991−2020 normals, extremes 1978−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 19.2
(66.6) 		24.4
(75.9) 		25.9
(78.6) 		28.9
(84.0) 		34.0
(93.2) 		35.3
(95.5) 		36.5
(97.7) 		38.5
(101.3) 		35.9
(96.6) 		32.5
(90.5) 		24.7
(76.5) 		24.1
(75.4) 		38.5
(101.3)
Mean daily maximum °C (°F) 9.4
(48.9) 		10.2
(50.4) 		13.5
(56.3) 		18.6
(65.5) 		22.9
(73.2) 		25.4
(77.7) 		29.4
(84.9) 		30.9
(87.6) 		27.2
(81.0) 		21.8
(71.2) 		16.7
(62.1) 		11.7
(53.1) 		19.8
(67.7)
Daily mean °C (°F) 3.3
(37.9) 		4.3
(39.7) 		7.8
(46.0) 		13.0
(55.4) 		17.8
(64.0) 		21.0
(69.8) 		24.6
(76.3) 		25.8
(78.4) 		22.5
(72.5) 		16.9
(62.4) 		10.9
(51.6) 		5.5
(41.9) 		14.5
(58.0)
Mean daily minimum °C (°F) −2.3
(27.9) 		−1.2
(29.8) 		2.3
(36.1) 		7.5
(45.5) 		13.5
(56.3) 		17.5
(63.5) 		21.2
(70.2) 		22.2
(72.0) 		18.8
(65.8) 		12.6
(54.7) 		5.6
(42.1) 		0.0
(32.0) 		9.8
(49.7)
Record low °C (°F) −15.5
(4.1) 		−8.5
(16.7) 		−5.9
(21.4) 		−2.5
(27.5) 		2.9
(37.2) 		10.1
(50.2) 		12.7
(54.9) 		15.2
(59.4) 		6.6
(43.9) 		0.3
(32.5) 		−3.9
(25.0) 		−7.6
(18.3) 		−15.5
(4.1)
Average precipitation mm (inches) 55.4
(2.18) 		52.9
(2.08) 		103.3
(4.07) 		109.0
(4.29) 		122.6
(4.83) 		135.1
(5.32) 		128.1
(5.04) 		99.4
(3.91) 		182.8
(7.20) 		212.8
(8.38) 		87.5
(3.44) 		53.4
(2.10) 		1,352.8
(53.26)
Average precipitation days (≥ 1.0 mm) 5.3 6.2 10.0 10.4 10.4 11.6 10.3 7.2 11.2 10.5 7.9 5.7 106.7
Mean monthly sunshine hours 190.8 172.3 174.3 178.4 179.9 125.7 155.7 183.5 133.9 134.0 148.4 169.1 1,927.9
Source: Japan Meteorological Agency[3][2]

Demographics

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Per Japanese census data,[4] the population of Ryūgasaki has recently plateaued after several decades of growth.

Historical population
YearPop.±%
1950 34,528—    
1960 33,581−2.7%
1970 37,267+11.0%
1980 43,132+15.7%
1990 57,238+32.7%
2000 76,923+34.4%
2010 80,334+4.4%
2020 76,420−4.9%

History

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The name "Ryūgasaki" can be traced back to 1182 when the samurai clan ruling the territory adopted "Ryūgasaki" as their family name. The northern half of the city was an exclave of Sendai Domain during the Edo period, the region joined Miyazaku Prefecture [ja] in 1869 before merging with Ibaraki Prefecture in 1875. The southern portion of the city was part of Kitasōma District in Shimōsa Province, as the boundary between Shimōsa and Hitachi Province had been established in the Nara period as the Tone River. However, by the Meiji period, the course of the river had shifted, leaving the area of present-day southern Ryūgasaki on the northern bank of the river. This area was transferred to Ibaraki Prefecture in 1875

The town of Ryūgasaki was created with the establishment of the modern municipalities system on April 1, 1889.

The city was formed on March 20, 1954, when the aforementioned town merged with: Nareshiba [ja], Ōmiya [ja], Yabara [ja], Nagato [ja], Kawarashiro [ja] and Kitamonma [ja]. In February 1955, the city grew to its present size when a proportion of Takasu [ja] merged with the city.[5]

In 1974, the city adopted the Swan, the Pinus, and Platycodon grandiflorus as its city symbols for bird, tree and flower respectively.[6]


Government

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Ryūgasaki has a mayor-council form of government with a directly elected mayor and a unicameral city council of 22 members. Ryūgasaki, together with neighboring Tone, contributes two members to the Ibaraki Prefectural Assembly. In terms of national politics, the city is part of Ibaraki 3rd district of the lower house of the Diet of Japan.

The 20th and current mayor is (萩原はぎはら　勇いさむ) Isamu Hagiwara, who assumed the position on January 18, 2022.[7] Issei Nakayama (中山なかやま 一生かずお) was the seventeenth to nineteenth mayor, beginning in January 2010.[8]

Economy

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New Central Airlines, a commuter airline, is headquartered in the city, on the grounds of Ryūgasaki Airfield, although no commercial flights are scheduled from the city.[9][10]

Education

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  • Ryutsu Keizai University
  • Ryūgasaki has 11 public elementary schools and six public middle schools operated by the city government. There are one public middle school and three public high schools operated by the Ibaraki Prefectural Board of Education as well as one private high school.

Transportation

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Railway

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JR East – Jōban Line

Kantō Railway - Ryūgasaki Line

Highway

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Airport

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Local attractions

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Noted people from Ryūgasaki

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References

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  1. ^ 市町村しちょうそんのデータ（龍ケ崎りゅうがさき市し）／茨城いばらき県けん [Ryūgasaki - Ibaraki prefectural official statistics] (in Japanese). July 1, 2020. Retrieved September 14, 2023.
  2. ^ a b 気象庁きしょうちょう / 平年へいねん値ち（年とし・月がつごとの値ね）. JMA. Retrieved April 1, 2022.
  3. ^ 観測かんそく史上しじょう1～10位いの値ね（年間ねんかんを通つうじての値ね）. JMA. Retrieved April 1, 2022.
  4. ^ Ryūgasaki population statistics
  5. ^ 平成へいせい25年ねん 統計とうけいりゅうがさき [2013 Statistics, Ryūgasaki] (PDF) (in Japanese). Japan: Ryūgasaki City. p. 2. Retrieved 16 September 2014.
  6. ^ 市民しみん憲章けんしょう、市し章あきら、市しの花はな・木き・鳥とり [Townspeople's charter, city symbol, the city's flower, tree and bird] (PDF) (in Japanese). Japan: Ryūgasaki City. Retrieved 16 September 2014.
  7. ^ 市長しちょうプロフィール [Mayor Profile]. Ryūgasaki City (in Japanese). January 18, 2022. Retrieved September 14, 2023.
  8. ^ 平成へいせい25年ねん 統計とうけいりゅうがさき [2013 Statistics, Ryugasaki] (PDF) (in Japanese). Japan: Ryūgasaki City. p. 59. Retrieved 16 September 2014.
  9. ^ "The Kawada Group." Kawada Industries. Retrieved on February 21, 2010.
  10. ^ "路線ろせん外がい運行うんこう." New Central Airlines. Retrieved on February 21, 2010. "お問とい合あわせは 〒３０１－０８０６　茨城いばらき県けん竜ヶ崎りゅうがさき市し半田はんだ町まち３１７７ 竜ヶ崎りゅうがさき飛行場ひこうじょう内ない"
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