Contwoyto Lake
Contwoyto Lake is a lake in the Kitikmeot Region of the Canadian territory of Nunavut, located near the border with the Northwest Territories. With a total area of 957 km (369 sq mi), it is the territories' tenth largest lake.
Lupin Mine is located near Contwoyto Lake. The lake is also the terminus of the Tibbitt to Contwoyto Winter Road from Tibbitt Lake in the Northwest Territories, Nunavut's only currently existing road access to the rest of Canada. In 2005, there was a proposal put forward to extend the winter road to a possible port at Bathurst Inlet.
Climate
| Climate data for Contwoyto Lake | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | −2.4 (27.7) |
−6.4 (20.5) |
−2.8 (27.0) |
5.6 (42.1) |
16.7 (62.1) |
24.4 (75.9) |
27.2 (81.0) |
26.0 (78.8) |
16.7 (62.1) |
8.3 (46.9) |
0.0 (32.0) |
6.1 (43.0) |
27.2 (81.0) |
| Mean daily maximum °C (°F) | −27.9 (−18.2) |
−26.9 (−16.4) |
−22.6 (−8.7) |
−11.9 (10.6) |
−0.9 (30.4) |
9.5 (49.1) |
14.9 (58.8) |
12.8 (55.0) |
4.7 (40.5) |
−4.9 (23.2) |
−16.4 (2.5) |
−24.1 (−11.4) |
−7.8 (18.0) |
| Daily mean °C (°F) | −31.4 (−24.5) |
−30.6 (−23.1) |
−27.2 (−17.0) |
−17.2 (1.0) |
−5.2 (22.6) |
4.8 (40.6) |
9.9 (49.8) |
9.0 (48.2) |
2.0 (35.6) |
−7.5 (18.5) |
−20.1 (−4.2) |
−27.5 (−17.5) |
−11.8 (10.8) |
| Mean daily minimum °C (°F) | −35.1 (−31.2) |
−34.4 (−29.9) |
−32.1 (−25.8) |
−22.7 (−8.9) |
−9.6 (14.7) |
0.0 (32.0) |
4.8 (40.6) |
5.2 (41.4) |
−0.8 (30.6) |
−10.2 (13.6) |
−23.9 (−11.0) |
−31.0 (−23.8) |
−15.8 (3.6) |
| Record low °C (°F) | −48.1 (−54.6) |
−53.9 (−65.0) |
−53.3 (−63.9) |
−41.6 (−42.9) |
−33.9 (−29.0) |
−13.9 (7.0) |
−2.2 (28.0) |
−3.2 (26.2) |
−11.9 (10.6) |
−34.4 (−29.9) |
−42.6 (−44.7) |
−46.7 (−52.1) |
−53.9 (−65.0) |
| Average precipitation mm (inches) | 7.0 (0.28) |
7.8 (0.31) |
10.2 (0.40) |
11.2 (0.44) |
18.3 (0.72) |
25.1 (0.99) |
36.2 (1.43) |
41.1 (1.62) |
32.7 (1.29) |
30.6 (1.20) |
15.7 (0.62) |
10.6 (0.42) |
246.6 (9.71) |
| Average rainfall mm (inches) | 0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.5 (0.02) |
6.2 (0.24) |
22.2 (0.87) |
36.2 (1.43) |
40.1 (1.58) |
21.5 (0.85) |
2.0 (0.08) |
0.0 (0.0) |
0.0 (0.0) |
128.6 (5.06) |
| Average snowfall cm (inches) | 7.0 (2.8) |
7.8 (3.1) |
10.2 (4.0) |
10.7 (4.2) |
12.1 (4.8) |
2.9 (1.1) |
0.0 (0.0) |
1.1 (0.4) |
10.8 (4.3) |
28.6 (11.3) |
15.7 (6.2) |
10.6 (4.2) |
117.5 (46.3) |
| Average precipitation days (≥ 0.2 mm) | 7 | 7 | 9 | 9 | 10 | 8 | 11 | 13 | 12 | 15 | 11 | 9 | 122 |
| Average rainy days (≥ 0.2 mm) | 0 | 0 | 0 | — | 3 | 6 | 11 | 13 | 7 | 1 | 0 | 0 | 41 |
| Average snowy days (≥ 0.2 cm) | 7 | 7 | 9 | 8 | 8 | 2 | — | — | 6 | 15 | 11 | 9 | 84 |
| Source 1: 1961-1990 Environment and Climate Change Canada | |||||||||||||
| Source 2: | |||||||||||||
See also
Further reading
- Tremblay, Leo Paul. Geology of northern Contwoyto Lake area, district of Mackenzie. Ottawa: Information Canada, 1976.
- Steele, Peter. The Man Who Mapped the Arctic:The Intrepid Life of George Back, Franklin's Lieutenant. (2003), pp. 132ff.
References
- ^ "Contwoyto Lake". Geographical Names Data Base. Natural Resources Canada.
- ^ "Principal lakes, elevation and area, by province and territory". Statistics Canada. 2005-02-02. Retrieved 2015-03-11.
- ^ "Natural Resources Canada-Canadian Geographical Names (Contwoyto Lake)". Retrieved 2014-08-29.
- ^ Environment and Climate Change Canada—1961 to 1990 Canadian Climate Normals Station Data. Retrieved 23 May 2018.
- ^ "Canadian Climate Normals 1961-1990" (PDF). Environment and Climate Change Canada. Archived from the original (PDF) on 2020-07-28. Retrieved 23 May 2018.
External links
- Contwoyto Lake at The Atlas of Canada
- Case Study: Bathurst Inlet Port and Road Project - Canadian Environmental Assessment Agency
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