| Lake Granby | |
|---|---|
 Lake Granby looking east | |
  Lake GranbyShow map of Colorado Lake GranbyShow map of the United States | |
| Location | Grand County, Colorado |
| Coordinates | 40°08′53″N 105°51′57″W / 40.14806°N 105.86583°W / 40.14806; -105.86583 |
| Primary inflows | Colorado River |
| Primary outflows | Colorado River |
| Basin countries | United States |
| Max. depth | 221 ft (67 m) |
| Shore length | 40 mi (64 km) |
| Surface elevation | 8,284 ft (2,525 m) |
| Settlements | Grand Lake |
| References | |
| Shore length is not a well-defined measure. | |
Lake Granby is the third largest body of water in Colorado.
It was created by the erection of Granby Dam, completed in 1950, as part of the Bureau of Reclamation's Colorado-Big Thompson Project. Water from Lake Granby is pumped via the Farr Pump plant though a pipeline that empties into a canal connected to Shadow Mountain Reservoir. The Bureau of Reclamation owns Farr Pump plant while Northern Water operates it. On its own, Lake Granby contains approximately 40 miles (64 km) of shoreline. The lake is popular with anglers and is continually stocked with rainbow trout and kokanee salmon.
The Lake is also home to the Lake Granby Yacht Club. At 8,280 feet (2,520 m), LGYC is one of the highest-elevation yacht clubs in the world, slightly beating out Grand Lake Yacht Club on nearby Grand Lake.
Climate
Grand Lake 6 SSW is a weather station on the north shore of Lake Granby at an elevation of 8288 feet (2526 m). Lake Granby has a subalpine climate (Köppen Dfc) bordering on a humid continental climate (Köppen Dfb).
| Climate data for Grand Lake 6 SSW, Colorado, 1991–2020 normals, 1948-2020 extremes: 8288ft (2526m) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 49 (9) |
53 (12) |
62 (17) |
73 (23) |
86 (30) |
88 (31) |
89 (32) |
88 (31) |
83 (28) |
74 (23) |
65 (18) |
58 (14) |
89 (32) |
| Mean maximum °F (°C) | 40.5 (4.7) |
43.8 (6.6) |
53.3 (11.8) |
63.2 (17.3) |
73.6 (23.1) |
80.6 (27.0) |
83.1 (28.4) |
81.6 (27.6) |
77.8 (25.4) |
69.2 (20.7) |
54.6 (12.6) |
44.2 (6.8) |
83.7 (28.7) |
| Mean daily maximum °F (°C) | 25.8 (−3.4) |
30.5 (−0.8) |
39.8 (4.3) |
48.3 (9.1) |
59.4 (15.2) |
70.1 (21.2) |
74.8 (23.8) |
72.7 (22.6) |
66.9 (19.4) |
54.7 (12.6) |
39.5 (4.2) |
28.0 (−2.2) |
50.9 (10.5) |
| Daily mean °F (°C) | 14.1 (−9.9) |
17.5 (−8.1) |
26.6 (−3.0) |
35.7 (2.1) |
45.4 (7.4) |
54.1 (12.3) |
59.4 (15.2) |
57.8 (14.3) |
51.3 (10.7) |
40.9 (4.9) |
28.7 (−1.8) |
17.9 (−7.8) |
37.4 (3.0) |
| Mean daily minimum °F (°C) | 2.5 (−16.4) |
4.5 (−15.3) |
13.3 (−10.4) |
23.1 (−4.9) |
31.4 (−0.3) |
38.1 (3.4) |
44.1 (6.7) |
42.8 (6.0) |
35.8 (2.1) |
27.1 (−2.7) |
17.8 (−7.9) |
7.8 (−13.4) |
24.0 (−4.4) |
| Mean minimum °F (°C) | −23.1 (−30.6) |
−21.8 (−29.9) |
−12.3 (−24.6) |
4.1 (−15.5) |
18.1 (−7.7) |
28.1 (−2.2) |
35.0 (1.7) |
33.0 (0.6) |
23.8 (−4.6) |
10.7 (−11.8) |
−2.5 (−19.2) |
−14.9 (−26.1) |
−26.5 (−32.5) |
| Record low °F (°C) | −46 (−43) |
−42 (−41) |
−30 (−34) |
−17 (−27) |
−1 (−18) |
21 (−6) |
27 (−3) |
25 (−4) |
14 (−10) |
−8 (−22) |
−22 (−30) |
−35 (−37) |
−46 (−43) |
| Average precipitation inches (mm) | 0.87 (22) |
0.84 (21) |
0.69 (18) |
1.20 (30) |
1.62 (41) |
1.18 (30) |
1.62 (41) |
1.68 (43) |
1.46 (37) |
1.05 (27) |
0.72 (18) |
0.82 (21) |
13.75 (349) |
| Source 1: NOAA | |||||||||||||
| Source 2: XMACIS (records & monthly max/mins) | |||||||||||||
See also
References
- ^ "Granby Lake". Archived from the original on 2009-07-21.
{{cite web}}: CS1 maint: unfit URL (link) - ^ "Lake Granby Fishing in Grand County".
- Jon Ewert, Aquatic Biologist. "Lake Granby Fishery Management Report" (PDF). COLORADO PARKS & WILDLIFE. State of Colorado. Archived from the original (PDF) on 9 June 2021. Retrieved 9 June 2021.
- "Lake Granby Yacht Club".
- "Grand Lake 6 SSW, Colorado 1991-2020 Monthly Normals". Retrieved December 8, 2023.
- "xmACIS". National Oceanic and Atmospheric Administration. Retrieved December 8, 2023.
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