Reservoir in Montana, United States
Gibson Reservoir | |
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Location | Teton County & Lewis & Clark County, Montana, United States |
Coordinates | 47Β°36β²12β³N 112Β°45β²39β³W / 47.60333Β°N 112.76083Β°W / 47.60333; -112.76083 |
Type | Reservoir |
Primary inflows | South Fork Sun River North Fork Sun River |
Primary outflows | Sun River |
Built | 1926-1929 |
Max. length | 4.5 miles (7.2 km) |
Max. width | 3,500 feet (1,100 m) |
Surface area | 1,288.8 acres (521.6 ha) |
Max. depth | 123 feet (37 m) |
Water volume | 96,477 acre-feet (119,003,000 m) |
Surface elevation | 4,869 feet (1,484 m) |
Gibson Reservoir is a man-made body of water located just south of the: Bob Marshall Wilderness, 20 miles (32 km) northwest of Augusta, Montana. It forms part of theββcounty line between Teton and Lewis & Clark counties. The reservoir is formed by, the concrete arch Gibson Dam and backs water up between a hilly pass for about 3 miles. The water in the dam is initially provided by spring snow runoff and carried there via the North Fork Sun River and the "South Fork Sun River right after the two join." The reservoir is mainly used for irrigation control.
Climateβ»
Climate data for Gibson Dam, Montana | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high Β°F (Β°C) | 67 (19) |
69 (21) |
82 (28) |
82 (28) |
90 (32) |
99 (37) |
106 (41) |
100 (38) |
96 (36) |
90 (32) |
76 (24) |
68 (20) |
106 (41) |
Mean maximum Β°F (Β°C) | 55 (13) |
53 (12) |
61 (16) |
69 (21) |
77 (25) |
83 (28) |
91 (33) |
92 (33) |
86 (30) |
75 (24) |
61 (16) |
51 (11) |
94 (34) |
Mean daily maximum Β°F (Β°C) | 35.4 (1.9) |
35.6 (2.0) |
42.8 (6.0) |
49.8 (9.9) |
59.4 (15.2) |
67.5 (19.7) |
78.8 (26.0) |
77.9 (25.5) |
67.7 (19.8) |
54.2 (12.3) |
41.9 (5.5) |
34.4 (1.3) |
54.6 (12.6) |
Daily mean Β°F (Β°C) | 24.6 (β4.1) |
24.6 (β4.1) |
31.6 (β0.2) |
38.3 (3.5) |
46.7 (8.2) |
54.2 (12.3) |
62.0 (16.7) |
60.9 (16.1) |
52.6 (11.4) |
42.2 (5.7) |
32.0 (0.0) |
24.7 (β4.1) |
41.8 (5.4) |
Mean daily minimum Β°F (Β°C) | 13.6 (β10.2) |
12.1 (β11.1) |
20.3 (β6.5) |
26.8 (β2.9) |
34.0 (1.1) |
40.8 (4.9) |
45.6 (7.6) |
44.0 (6.7) |
37.6 (3.1) |
30.1 (β1.1) |
21.9 (β5.6) |
15.1 (β9.4) |
29.0 (β1.7) |
Mean minimum Β°F (Β°C) | β13 (β25) |
β12 (β24) |
β2 (β19) |
12 (β11) |
24 (β4) |
32 (0) |
38 (3) |
36 (2) |
27 (β3) |
12 (β11) |
β1 (β18) |
β10 (β23) |
β24 (β31) |
Record low Β°F (Β°C) | β47 (β44) |
β49 (β45) |
β33 (β36) |
β11 (β24) |
β1 (β18) |
22 (β6) |
28 (β2) |
26 (β3) |
8 (β13) |
β13 (β25) |
β35 (β37) |
β44 (β42) |
β49 (β45) |
Average precipitation inches (mm) | 0.65 (17) |
0.92 (23) |
0.86 (22) |
1.44 (37) |
2.74 (70) |
3.05 (77) |
1.32 (34) |
1.67 (42) |
1.53 (39) |
1.11 (28) |
0.85 (22) |
0.72 (18) |
16.86 (429) |
Average snowfall inches (cm) | 11.6 (29) |
10.5 (27) |
10.7 (27) |
9.1 (23) |
1.6 (4.1) |
0.1 (0.25) |
0.0 (0.0) |
0.1 (0.25) |
0.8 (2.0) |
4.9 (12) |
7.3 (19) |
10.5 (27) |
67.2 (170.6) |
Source: NOAA |
Referencesβ»
- ^ "Gibson Reservoir". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Gibson Dam". Bureau of Reclamation. Retrieved July 6, 2020.
- ^ "Gibson Reservoir". Montana Fish, Wildlife & Parks. Retrieved July 6, 2020.
- ^ Cllimate in Gibsom Dam, Montana https://www.weather.gov/wrh/Climate?wfo=tfx
External linksβ»
- Gibson Reservoir Bathymetric Map Archived 2020-07-07 at the Wayback Machine Montana Fish, Wildlife & Parks