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Bibai
美唄市 | |
---|---|
![]() Bibai city hall | |
![]() Location of Bibai in Hokkaido (Sorachi Subprefecture) | |
Coordinates: 43°20′N 141°51′E / 43.333°N 141.850°E | |
Country | Japan |
Region | Hokkaido |
Prefecture | Hokkaido (Sorachi Subprefecture) |
Government | |
• Mayor | Hisashi Sakurai (since 2023) |
Area | |
• Total | 277.69 km2 (107.22 sq mi) |
Population (May 31, 2023) | |
• Total | 19,242 |
• Density | 69.3/km2 (179/sq mi) |
Time zone | UTC+09:00 (JST) |
City hall address | 1-1, Minami Itchōme, Nishi San-jō, Bibai-shi, Hokkaidō 072-8660 |
Climate | Dfb |
Website | www |
Symbols | |
Bird | Greater white-fronted goose |
Flower | Azalea |
Tree | Poplar |
Bibai (美唄市, Bibai-shi) is a city located in Sorachi Subprefecture, Hokkaido, Japan.
As of 2023, the city has an estimated population of 19,242, and the density of 69.3 persons per km2. The total area is 277.69 km2.
The name Bibai is derived from Ainu word "pipa o i", meaning "Place (swamp) with many cockscomb pearl mussels".[1][2]
At its peak, Bibai was a coal town that produced over a million tons annually. However, ever since the mine was closed in 1972, the city has suffered a slowly declining population.[3]
Ishikari River flows to west of Bibai. Bibai Dam was built on the Bibai River, a tributary of Ishikari River.
Lake Miyajima was registered as a wetland under the Ramsar Convention in 2002.[4]
Climate data for Bibai (1991−2020 normals, extremes 1977−present) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °C (°F) | 8.5 (47.3) |
9.0 (48.2) |
13.6 (56.5) |
25.2 (77.4) |
32.6 (90.7) |
33.2 (91.8) |
35.6 (96.1) |
35.6 (96.1) |
32.4 (90.3) |
25.6 (78.1) |
20.0 (68.0) |
13.9 (57.0) |
35.6 (96.1) |
Mean daily maximum °C (°F) | −2.6 (27.3) |
−1.4 (29.5) |
2.9 (37.2) |
10.8 (51.4) |
17.9 (64.2) |
22.0 (71.6) |
25.6 (78.1) |
26.3 (79.3) |
22.6 (72.7) |
15.6 (60.1) |
7.2 (45.0) |
−0.3 (31.5) |
12.2 (54.0) |
Daily mean °C (°F) | −6.6 (20.1) |
−5.9 (21.4) |
−1.5 (29.3) |
5.4 (41.7) |
12.1 (53.8) |
16.5 (61.7) |
20.4 (68.7) |
21.2 (70.2) |
16.9 (62.4) |
10.1 (50.2) |
3.1 (37.6) |
−3.8 (25.2) |
7.3 (45.2) |
Mean daily minimum °C (°F) | −12.4 (9.7) |
−12.1 (10.2) |
−6.9 (19.6) |
0.1 (32.2) |
6.8 (44.2) |
12.2 (54.0) |
16.6 (61.9) |
17.1 (62.8) |
11.8 (53.2) |
5.0 (41.0) |
−1.1 (30.0) |
−8.5 (16.7) |
2.4 (36.3) |
Record low °C (°F) | −29.6 (−21.3) |
−26.2 (−15.2) |
−22.4 (−8.3) |
−12.4 (9.7) |
−2.4 (27.7) |
3.4 (38.1) |
8.0 (46.4) |
8.6 (47.5) |
2.1 (35.8) |
−4.3 (24.3) |
−14.5 (5.9) |
−26.5 (−15.7) |
−29.6 (−21.3) |
Average precipitation mm (inches) | 77.6 (3.06) |
63.5 (2.50) |
54.6 (2.15) |
53.8 (2.12) |
80.8 (3.18) |
69.1 (2.72) |
122.0 (4.80) |
164.9 (6.49) |
144.2 (5.68) |
120.6 (4.75) |
117.6 (4.63) |
104.9 (4.13) |
1,173.5 (46.20) |
Average snowfall cm (inches) | 203 (80) |
156 (61) |
107 (42) |
13 (5.1) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
1 (0.4) |
77 (30) |
216 (85) |
766 (302) |
Average precipitation days (≥ 1.0 mm) | 19.5 | 16.3 | 13.7 | 10.7 | 10.3 | 8.6 | 10.0 | 10.5 | 11.9 | 15.1 | 19.2 | 21.9 | 167.7 |
Average snowy days (≥ 3 cm) | 19.9 | 17.3 | 12.9 | 1.8 | 0 | 0 | 0 | 0 | 0 | 0.1 | 6.8 | 19.7 | 78.5 |
Mean monthly sunshine hours | 63.3 | 78.4 | 131.0 | 167.5 | 193.6 | 171.8 | 156.2 | 157.8 | 158.2 | 130.6 | 68.5 | 42.6 | 1,519.5 |
Source: Japan Meteorological Agency[5][6] |
Per Japanese census data,[7] the population of Bibai has declined by more than half over the past half-century.
Year | Pop. | ±% |
---|---|---|
1970 | 47,369 | — |
1980 | 38,552 | −18.6% |
1990 | 35,176 | −8.8% |
2000 | 31,183 | −11.4% |
2010 | 26,034 | −16.5% |
2020 | 20,413 | −21.6% |
Hakodate Main Line Minami-Bibai Branch Line used to run from Bibai to Minami-Bibai.
Straight line section of Route 12 is the longest in Japan.
Bibai's mascots are Mami-chan (マミィーちゃん). He is a greater white-fronted goose. He was unveiled in 1986. Yakitoriman (ヤキトリ男, Yakitoriotoko) is Mami-chan's assistant who is a yakitori.[8][9]