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'''Willamette Pass''' ({{convert|5128|ft|m|abbr=on|disp=or}}) is a ] crossing the crest of the ] in ], United States. It is less commonly known as Willamette Summit.<ref name=gnis/><ref name=oe>{{cite web|title=Willamette Pass|url=http://www.oregonencyclopedia.org/articles/willamette_pass/|first=Gerald W|last=Williams|work=The Oregon Encyclopedia|publisher=Portland State University|accessdate=May 20, 2014}}</ref> The pass is traversed by ] and by ] (ex-]) ], which provides rail access between ], and California. ]'s ] uses this route on its way between ], Portland, and ]. The ] ski area is located above the pass.<ref name=gnis/> '''Willamette Pass''' ({{convert|5128|ft|m|abbr=on|disp=or}}) is a ] crossing the crest of the ] in ], United States. It is less commonly known as Willamette Summit.<ref name=gnis/><ref name=oe>{{cite web|title=Willamette Pass|url=http://www.oregonencyclopedia.org/articles/willamette_pass/|first=Gerald W|last=Williams|work=The Oregon Encyclopedia|publisher=Portland State University|accessdate=May 20, 2014}}</ref> The pass is traversed by ] and by ] (ex-]) ], which provides rail access between ], and California. ]'s ] uses this route on its way between ], Portland, and ]. The ] ski area is located above the pass.<ref name=gnis/>


== Geology == ==Climate==
{{Weather box
There is an unnamed volcano nearby. However, since the volcano is unnamed, Willamette Pass is usually the volcanos name.
|location = Santiam Pass, Oregon
|single line = Y

|Jan high F = 34.2
|Feb high F = 36.7
|Mar high F = 41.7
|Apr high F = 49.0
|May high F = 57.7
|Jun high F = 64.2
|Jul high F = 75.5
|Aug high F = 74.2
|Sep high F = 64.6
|Oct high F = 54.0
|Nov high F = 42.8
|Dec high F = 36.8
|year high F=
|Jan mean F = 28.3
|Feb mean F = 30.5
|Mar mean F = 33.9
|Apr mean F = 39.0
|May mean F = 45.9
|Jun mean F = 51.5
|Jul mean F = 59.5
|Aug mean F = 58.3
|Sep mean F = 51.6
|Oct mean F = 44.2
|Nov mean F = 34.9
|Dec mean F = 31.1
|year mean F=
|Jan low F = 21.1
|Feb low F = 22.5
|Mar low F = 25.4
|Apr low F = 28.9
|May low F = 33.8
|Jun low F = 38.5
|Jul low F = 43.5
|Aug low F = 42.9
|Sep low F = 38.6
|Oct low F = 34.3
|Nov low F = 28.0
|Dec low F = 24.0
|year low F=
|Jan avg record high F =44
|Feb avg record high F =46
|Mar avg record high F =56
|Apr avg record high F =66
|May avg record high F =75
|Jun avg record high F =83
|Jul avg record high F =90
|Aug avg record high F =87
|Sep avg record high F =79
|Oct avg record high F =69
|Nov avg record high F =55
|Dec avg record high F =47
|year avg record high F=92
|Jan avg record low F =4
|Feb avg record low F =6
|Mar avg record low F =12
|Apr avg record low F =17
|May avg record low F =25
|Jun avg record low F =29
|Jul avg record low F =33
|Aug avg record low F =33
|Sep avg record low F =29
|Oct avg record low F =23
|Nov avg record low F =15
|Dec avg record low F =9
|year avg record low F=3
|Jan record high F = 61
|Feb record high F = 60
|Mar record high F = 69
|Apr record high F = 76
|May record high F = 84
|Jun record high F = 91
|Jul record high F = 93
|Aug record high F = 97
|Sep record high F = 93
|Oct record high F = 84
|Nov record high F = 71
|Dec record high F = 59
|year record high F= 107
|Jan record low F = −19
|Feb record low F = −16
|Mar record low F = −7
|Apr record low F = 6
|May record low F = 10
|Jun record low F = 21
|Jul record low F = 27
|Aug record low F = 27
|Sep record low F = 20
|Oct record low F = 4
|Nov record low F = 0
|Dec record low F = −10
|year record low F= −26
|precipitation colour = green
|Jan precipitation inch = 9.72
|Feb precipitation inch = 6.21
|Mar precipitation inch = 6.51
|Apr precipitation inch = 3.51
|May precipitation inch = 2.85
|Jun precipitation inch = 2.10
|Jul precipitation inch = 0.50
|Aug precipitation inch = 0.85
|Sep precipitation inch = 1.92
|Oct precipitation inch = 5.12
|Nov precipitation inch = 7.88
|Dec precipitation inch = 9.89
|year precipitation inch=
|Jan snow inch = 59.4
|Feb snow inch = 61.6
|Mar snow inch = 57.6
|Apr snow inch = 39.0
|May snow inch = 13.0
|Jun snow inch = 0.2
|Jul snow inch = 0.0
|Aug snow inch = 0.0
|Sep snow inch = 0.6
|Oct snow inch = 13.4
|Nov snow inch = 36.0
|Dec snow inch = 73.1
|year snow inch=

|source 1 = <ref>{{cite web
|url= https://wrcc.dri.edu/cgi-bin/cliMAIN.pl?or7559 |title=Willamette PASS, OR |accessdate=November 8, 2023|publisher=Western Regional Climate Center }}</ref>
|date=November 2023
}}



==References== ==References==
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] ]
] ]
]





Latest revision as of 23:38, 20 November 2023

Mountain pass in Oregon For the ski area, see Willamette Pass Resort.
Willamette Pass
Elevation5,128 ft (1,563 m)
Traversed by OR 58
LocationKlamath / Lane counties, Oregon, U.S.
RangeCascades
Coordinates43°36′01″N 122°02′17″W / 43.60028°N 122.03806°W / 43.60028; -122.03806
Willamette Pass Tunnel in 1940

Willamette Pass (5,128 ft or 1,563 m) is a mountain pass crossing the crest of the Cascade Range in Oregon, United States. It is less commonly known as Willamette Summit. The pass is traversed by Oregon Route 58 and by Union Pacific's (ex-Southern Pacific) Cascade Subdivision, which provides rail access between Portland, Oregon, and California. Amtrak's Coast Starlight uses this route on its way between Seattle, Portland, and Los Angeles. The Willamette Pass Resort ski area is located above the pass.

Climate

Climate data for Santiam Pass, Oregon
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 61
(16)
60
(16)
69
(21)
76
(24)
84
(29)
91
(33)
93
(34)
97
(36)
93
(34)
84
(29)
71
(22)
59
(15)
107
(42)
Mean maximum °F (°C) 44
(7)
46
(8)
56
(13)
66
(19)
75
(24)
83
(28)
90
(32)
87
(31)
79
(26)
69
(21)
55
(13)
47
(8)
92
(33)
Mean daily maximum °F (°C) 34.2
(1.2)
36.7
(2.6)
41.7
(5.4)
49.0
(9.4)
57.7
(14.3)
64.2
(17.9)
75.5
(24.2)
74.2
(23.4)
64.6
(18.1)
54.0
(12.2)
42.8
(6.0)
36.8
(2.7)
52.6
(11.4)
Daily mean °F (°C) 28.3
(−2.1)
30.5
(−0.8)
33.9
(1.1)
39.0
(3.9)
45.9
(7.7)
51.5
(10.8)
59.5
(15.3)
58.3
(14.6)
51.6
(10.9)
44.2
(6.8)
34.9
(1.6)
31.1
(−0.5)
42.4
(5.8)
Mean daily minimum °F (°C) 21.1
(−6.1)
22.5
(−5.3)
25.4
(−3.7)
28.9
(−1.7)
33.8
(1.0)
38.5
(3.6)
43.5
(6.4)
42.9
(6.1)
38.6
(3.7)
34.3
(1.3)
28.0
(−2.2)
24.0
(−4.4)
31.8
(−0.1)
Mean minimum °F (°C) 4
(−16)
6
(−14)
12
(−11)
17
(−8)
25
(−4)
29
(−2)
33
(1)
33
(1)
29
(−2)
23
(−5)
15
(−9)
9
(−13)
3
(−16)
Record low °F (°C) −19
(−28)
−16
(−27)
−7
(−22)
6
(−14)
10
(−12)
21
(−6)
27
(−3)
27
(−3)
20
(−7)
4
(−16)
0
(−18)
−10
(−23)
−26
(−32)
Average precipitation inches (mm) 9.72
(247)
6.21
(158)
6.51
(165)
3.51
(89)
2.85
(72)
2.10
(53)
0.50
(13)
0.85
(22)
1.92
(49)
5.12
(130)
7.88
(200)
9.89
(251)
57.06
(1,449)
Average snowfall inches (cm) 59.4
(151)
61.6
(156)
57.6
(146)
39.0
(99)
13.0
(33)
0.2
(0.51)
0.0
(0.0)
0.0
(0.0)
0.6
(1.5)
13.4
(34)
36.0
(91)
73.1
(186)
353.9
(898.01)
Source:


References

  1. ^ "Willamette Pass". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. November 28, 1980. Retrieved June 4, 2013.
  2. Williams, Gerald W. "Willamette Pass". The Oregon Encyclopedia. Portland State University. Retrieved May 20, 2014.
  3. "Willamette PASS, OR". Western Regional Climate Center. Retrieved November 8, 2023.


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