Santiam Junction is a highway junction and unincorporated community[1][2] in Linn County, Oregon, United States, at the intersection of U.S. Route 20/Oregon Route 126 and Oregon Route 22.
Santiam Junction | |
|---|---|
 Highways at Santiam Junction | |
  Santiam Junction Location within the state of Oregon  Santiam Junction Santiam Junction (the United States) | |
| Coordinates: 44°26′12″N 121°56′22″W / 44.43667°N 121.93944°W | |
| Country | United States |
| State | Oregon |
| County | Linn |
| Elevation | 3,750 ft (1,140 m) |
| Time zone | UTC-8 (Pacific (PST)) |
| • Summer (DST) | UTC-7 (PDT) |
According to the Oregon Department of Transportation, the elevation is 3,750 feet (1,143 m).[3]
An automated weather station is located here, as well as highway maintenance facilities. The Santiam Junction State Airport is an emergency/recreational/aerial firefighting landing strip that is closed from the first snowfall until spring. The airport grounds permit fly-in camping.[3][4]
The Santiam Junction vicinity is listed by the National Register of Historic Places as the site of the Oregon Pacific Railroad Linear Historic District, which consists of roughly 20 miles (32 km) of the old railroad grade between Idanha and the line's Cascade Range summit.[5][6]
Geologically, much of the area is a lava bed created during a period of volcanic activity around 1000 B.C.[7]
Climate
editSantiam Junction experiences a dry-summer humid continental climate (Köppen Dsb) with warm, dry summers and cold, wet winters with heavy snow and rain.
| Climate data for Santiam Junction, Oregon, 1991–2020 normals, 1949-2020 extremes: 3750ft (1143m) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 72 (22) |
68 (20) |
71 (22) |
88 (31) |
96 (36) |
96 (36) |
98 (37) |
99 (37) |
96 (36) |
86 (30) |
76 (24) |
60 (16) |
99 (37) |
| Mean maximum °F (°C) | 53.4 (11.9) |
55.8 (13.2) |
61.6 (16.4) |
69.9 (21.1) |
77.4 (25.2) |
84.1 (28.9) |
90.8 (32.7) |
91.0 (32.8) |
87.2 (30.7) |
76.0 (24.4) |
61.7 (16.5) |
49.0 (9.4) |
92.9 (33.8) |
| Mean daily maximum °F (°C) | 37.6 (3.1) |
40.7 (4.8) |
43.6 (6.4) |
48.5 (9.2) |
57.7 (14.3) |
64.6 (18.1) |
76.0 (24.4) |
76.5 (24.7) |
68.8 (20.4) |
56.1 (13.4) |
42.4 (5.8) |
36.3 (2.4) |
54.1 (12.3) |
| Daily mean °F (°C) | 30.6 (−0.8) |
32.1 (0.1) |
34.7 (1.5) |
38.8 (3.8) |
46.2 (7.9) |
51.5 (10.8) |
59.2 (15.1) |
59.1 (15.1) |
53.8 (12.1) |
44.3 (6.8) |
35.0 (1.7) |
29.8 (−1.2) |
42.9 (6.1) |
| Mean daily minimum °F (°C) | 23.6 (−4.7) |
23.6 (−4.7) |
25.8 (−3.4) |
29.1 (−1.6) |
34.7 (1.5) |
38.3 (3.5) |
42.4 (5.8) |
41.7 (5.4) |
38.7 (3.7) |
32.5 (0.3) |
27.6 (−2.4) |
23.3 (−4.8) |
31.8 (−0.1) |
| Mean minimum °F (°C) | 7.2 (−13.8) |
7.8 (−13.4) |
13.0 (−10.6) |
18.1 (−7.7) |
25.0 (−3.9) |
29.1 (−1.6) |
32.9 (0.5) |
31.4 (−0.3) |
27.9 (−2.3) |
22.0 (−5.6) |
13.6 (−10.2) |
6.6 (−14.1) |
−1.6 (−18.7) |
| Record low °F (°C) | −11 (−24) |
−18 (−28) |
−3 (−19) |
4 (−16) |
18 (−8) |
22 (−6) |
27 (−3) |
28 (−2) |
21 (−6) |
14 (−10) |
−4 (−20) |
−19 (−28) |
−19 (−28) |
| Average precipitation inches (mm) | 10.84 (275) |
7.79 (198) |
7.76 (197) |
6.03 (153) |
4.01 (102) |
2.81 (71) |
0.66 (17) |
0.77 (20) |
2.28 (58) |
5.88 (149) |
9.98 (253) |
11.58 (294) |
70.39 (1,787) |
| Average snowfall inches (cm) | 46.1 (117) |
35.1 (89) |
32.6 (83) |
14.3 (36) |
2.2 (5.6) |
0.2 (0.51) |
0.0 (0.0) |
trace | 0.1 (0.25) |
4.2 (11) |
25.5 (65) |
49.2 (125) |
209.5 (532.36) |
| Source 1: NOAA[8] | |||||||||||||
| Source 2: XMACIS (snowfall, temp records & monthly max/mins)[9] | |||||||||||||
| Climate data for Santiam Junction | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 61 (16) |
67 (19) |
71 (22) |
88 (31) |
96 (36) |
95 (35) |
99 (37) |
99 (37) |
96 (36) |
86 (30) |
76 (24) |
60 (16) |
99 (37) |
| Mean daily maximum °F (°C) | 37.8 (3.2) |
40.7 (4.8) |
44.3 (6.8) |
49.6 (9.8) |
59.2 (15.1) |
65.2 (18.4) |
76.4 (24.7) |
77.2 (25.1) |
71.4 (21.9) |
58.8 (14.9) |
44.4 (6.9) |
37.4 (3.0) |
55.2 (12.9) |
| Mean daily minimum °F (°C) | 22.5 (−5.3) |
23.1 (−4.9) |
25.4 (−3.7) |
29.2 (−1.6) |
33.9 (1.1) |
38.2 (3.4) |
42.7 (5.9) |
41.3 (5.2) |
37.7 (3.2) |
32.4 (0.2) |
27.8 (−2.3) |
22.1 (−5.5) |
31.4 (−0.3) |
| Record low °F (°C) | −7 (−22) |
−18 (−28) |
0 (−18) |
4 (−16) |
18 (−8) |
22 (−6) |
28 (−2) |
28 (−2) |
21 (−6) |
14 (−10) |
2 (−17) |
−19 (−28) |
−19 (−28) |
| Average precipitation inches (mm) | 9.28 (236) |
6.66 (169) |
7.72 (196) |
5.74 (146) |
3.74 (95) |
2.37 (60) |
0.75 (19) |
0.73 (19) |
1.35 (34) |
4.1 (100) |
10.63 (270) |
9.06 (230) |
62.14 (1,578) |
| Average snowfall inches (cm) | 47.5 (121) |
39.5 (100) |
39.4 (100) |
15 (38) |
2.8 (7.1) |
0.3 (0.76) |
0 (0) |
0 (0) |
0.1 (0.25) |
4.8 (12) |
33.8 (86) |
57.6 (146) |
240.8 (612) |
| Average precipitation days | 17 | 14 | 19 | 16 | 12 | 8 | 3 | 3 | 5 | 10 | 20 | 16 | 143 |
| Source: [10] | |||||||||||||
See also
editReferences
edit- ^ "Feature Query Results". United States Board on Geographic Names, United States Geological Survey. Retrieved March 18, 2008.
- ^ "Feature Class Types". Geographic Names Information System, United States Geological Survey. Archived from the original on February 15, 2008. Retrieved March 17, 2008.
- ^ a b "Santiam Junction". Department of Aviation State Warning Airports. Oregon Department of Transportation. Archived from the original on March 18, 2012. Retrieved March 17, 2008.
- ^ "SANTIAM JUNCTION STATE AIRPORT OVERVIEW" (PDF). oregon.gov. Retrieved February 27, 2024.
- ^ "Oregon Pacific Railroad Linear Historic District". OREGON - Marion County - Historic Districts. nationalregisterofhistoricplaces.com. Retrieved March 17, 2008.
- ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- ^ Ellen Morris Bishop (2003). In Search of Ancient Oregon: A Geological and Natural History. Timber Press. ISBN 0-88192-590-X.
- ^ "Santiam Junction, Oregon 1991-2020 Monthly Normals". Retrieved December 11, 2023.
- ^ "xmACIS". National Oceanic and Atmospheric Administration. Retrieved December 11, 2023.
- ^ "SANTIAM JUNCTION, OR (357554)". Western Regional Climate Center. Retrieved November 26, 2015.