Milner Pass: Difference between revisions

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Coordinates: 40°25′11″N 105°48′41″W / 40.41972°N 105.81139°W / 40.41972; -105.81139
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added info on the name of the pass and reference
Made a climate section and a weatherbox of the 1991-2020 normals for Lake Irene, a nearby weather station.
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The pass is named in honor of T.J. Milner, an engineer who surveyed a potential railroad route over the pass. The railroad was never built.<ref name=helmuth>{{cite book| last1=Helmuth|first1=Ed|last2=Helmuth| first2=Gloria| title=The Passes of Colorado: An Encyclopedia of Watershed Divides| location=Boulder, Colorado| publisher=Pruett Publishing Company| year=1994|isbn=0-87108-841-X}}</ref>
The pass is named in honor of T.J. Milner, an engineer who surveyed a potential railroad route over the pass. The railroad was never built.<ref name=helmuth>{{cite book| last1=Helmuth|first1=Ed|last2=Helmuth| first2=Gloria| title=The Passes of Colorado: An Encyclopedia of Watershed Divides| location=Boulder, Colorado| publisher=Pruett Publishing Company| year=1994|isbn=0-87108-841-X}}</ref>

==Climate==
There is a weather station near the summit of Milner Pass at [[Lake Irene (Colorado)]]. Lake Irene has a [[subarctic climate|subalpine climate]] ([[Köppen climate classification|Köppen]] ''Dfc''), bordering on an [[alpine climate]] (''ETH''), with only two months averaging over 10°C.
{{Weather box
|location = Lake Irene, Colorado (10700ft or 3261m), 1991–2020 normals, snow depth 2002-2020
|single line = Yes

|Jan record high F = 51
|Feb record high F = 51
|Mar record high F = 58
|Apr record high F = 63
|May record high F = 78
|Jun record high F = 83
|Jul record high F = 80
|Aug record high F = 76
|Sep record high F = 74
|Oct record high F = 66
|Nov record high F = 59
|Dec record high F = 47

|Jan high F = 25.4
|Feb high F = 28.3
|Mar high F = 36.1
|Apr high F = 41.7
|May high F = 50.6
|Jun high F = 60.1
|Jul high F = 65.9
|Aug high F = 63.6
|Sep high F = 56.7
|Oct high F = 44.9
|Nov high F = 33.0
|Dec high F = 24.9
|year high F =

|Jan mean F = 15.9
|Feb mean F = 17.6
|Mar mean F = 24.4
|Apr mean F = 30.0
|May mean F = 38.7
|Jun mean F = 47.4
|Jul mean F = 53.2
|Aug mean F = 51.5
|Sep mean F = 45.2
|Oct mean F = 34.5
|Nov mean F = 23.3
|Dec mean F = 15.7
|year mean F =

|Jan low F = 6.3
|Feb low F = 6.9
|Mar low F = 12.5
|Apr low F = 18.2
|May low F = 26.8
|Jun low F = 34.7
|Jul low F = 40.5
|Aug low F = 39.4
|Sep low F = 33.5
|Oct low F = 23.9
|Nov low F = 13.6
|Dec low F = 6.5
|year low F =

|Jan record low F = -22
|Feb record low F = -23
|Mar record low F = -17
|Apr record low F = -10
|May record low F = 1
|Jun record low F = 18
|Jul record low F = 26
|Aug record low F = 25
|Sep record low F = 6
|Oct record low F = -11
|Nov record low F = -18
|Dec record low F = -23

|precipitation colour = green
|Jan precipitation inch = 3.66
|Feb precipitation inch = 3.67
|Mar precipitation inch = 3.62
|Apr precipitation inch = 4.51
|May precipitation inch = 3.41
|Jun precipitation inch = 1.56
|Jul precipitation inch = 2.03
|Aug precipitation inch = 2.01
|Sep precipitation inch = 1.90
|Oct precipitation inch = 2.79
|Nov precipitation inch = 3.32
|Dec precipitation inch = 3.30
|year precipitation inch =

|Jan snow depth inch = 58
|Feb snow depth inch = 72
|Mar snow depth inch = 81
|Apr snow depth inch = 80
|May snow depth inch = 66
|Jun snow depth inch = 26
|Jul snow depth inch = 1
|Aug snow depth inch = 0
|Sep snow depth inch = 2
|Oct snow depth inch = 12
|Nov snow depth inch = 26
|Dec snow depth inch = 45
|year snow depth inch = 86

|source 1 = XMACIS2<ref name = XMACIS2>
{{cite web
|url = https://xmacis.rcc-acis.org/
|publisher = National Oceanic and Atmospheric Administration
|title = xmACIS2
|access-date = September 24, 2023
}}
</ref>
|source 2 = NOAA (Precipitation)<ref name = NOAA>
{{cite web
|url = https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USS0005J10S&format=pdf
|title= Lake Irene, Colorado 1991-2020 Monthly Normals
|access-date = September 26, 2023
}}
</ref>
}}


==References==
==References==

Revision as of 14:21, 26 September 2023

Milner Pass
Elevation10,759 ft (3,279 m)[1]
Traversed by US 34
LocationGrand / Larimer counties, Colorado, U.S.
RangeFront Range
Coordinates40°25′11″N 105°48′41″W / 40.41972°N 105.81139°W / 40.41972; -105.81139[1]
Topo mapUSGS Fall River Pass

Milner Pass, elevation 10,759 ft (3,279 m)[1] is a mountain pass in the Rocky Mountains of northern Colorado in the United States. It is located on the continental divide in the Front Range, within Rocky Mountain National Park, along the boundary between Larimer and Grand counties. The pass provides the passage over the continental divide for US 34, also known as Trail Ridge Road between Estes Park and Grand Lake. The pass is not, however, the high point on Trail Ridge Road, which crests at 12,183 ft (3,713 m)[2] east of the pass within Rocky Mountain National Park. Along with the rest of Trail Ridge Road, the pass is generally closed in winter from the first heavy snow fall (usually October) until the opening of the road around Memorial Day. The gentle pass divides the headwaters of the Cache la Poudre River (which issues from Poudre Lake just east of the pass) and several creeks near the headwaters of the Colorado River to the west. The road near the pass provides a panoramic view of the Never Summer Mountains to the west.[2]

The pass is named in honor of T.J. Milner, an engineer who surveyed a potential railroad route over the pass. The railroad was never built.[3]

Climate

There is a weather station near the summit of Milner Pass at Lake Irene (Colorado). Lake Irene has a subalpine climate (Köppen Dfc), bordering on an alpine climate (ETH), with only two months averaging over 10°C.

Climate data for Lake Irene, Colorado (10700ft or 3261m), 1991–2020 normals, snow depth 2002-2020
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 51
(11) 		51
(11) 		58
(14) 		63
(17) 		78
(26) 		83
(28) 		80
(27) 		76
(24) 		74
(23) 		66
(19) 		59
(15) 		47
(8) 		83
(28)
Mean daily maximum °F (°C) 25.4
(−3.7) 		28.3
(−2.1) 		36.1
(2.3) 		41.7
(5.4) 		50.6
(10.3) 		60.1
(15.6) 		65.9
(18.8) 		63.6
(17.6) 		56.7
(13.7) 		44.9
(7.2) 		33.0
(0.6) 		24.9
(−3.9) 		44.3
(6.8)
Daily mean °F (°C) 15.9
(−8.9) 		17.6
(−8.0) 		24.4
(−4.2) 		30.0
(−1.1) 		38.7
(3.7) 		47.4
(8.6) 		53.2
(11.8) 		51.5
(10.8) 		45.2
(7.3) 		34.5
(1.4) 		23.3
(−4.8) 		15.7
(−9.1) 		33.1
(0.6)
Mean daily minimum °F (°C) 6.3
(−14.3) 		6.9
(−13.9) 		12.5
(−10.8) 		18.2
(−7.7) 		26.8
(−2.9) 		34.7
(1.5) 		40.5
(4.7) 		39.4
(4.1) 		33.5
(0.8) 		23.9
(−4.5) 		13.6
(−10.2) 		6.5
(−14.2) 		21.9
(−5.6)
Record low °F (°C) −22
(−30) 		−23
(−31) 		−17
(−27) 		−10
(−23) 		1
(−17) 		18
(−8) 		26
(−3) 		25
(−4) 		6
(−14) 		−11
(−24) 		−18
(−28) 		−23
(−31) 		−23
(−31)
Average precipitation inches (mm) 3.66
(93) 		3.67
(93) 		3.62
(92) 		4.51
(115) 		3.41
(87) 		1.56
(40) 		2.03
(52) 		2.01
(51) 		1.90
(48) 		2.79
(71) 		3.32
(84) 		3.30
(84) 		35.78
(910)
Average extreme snow depth inches (cm) 58
(150) 		72
(180) 		81
(210) 		80
(200) 		66
(170) 		26
(66) 		1
(2.5) 		0
(0) 		2
(5.1) 		12
(30) 		26
(66) 		45
(110) 		86
(220)
Source 1: XMACIS2[4]
Source 2: NOAA (Precipitation)[5]

References

  1. ^ a b c "Milner Pass". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2011-01-29.
  2. ^ a b "Trial Ridge Road". National Park Service. Retrieved 2011-01-31.
  3. ^ Helmuth, Ed; Helmuth, Gloria (1994). The Passes of Colorado: An Encyclopedia of Watershed Divides. Boulder, Colorado: Pruett Publishing Company. ISBN 0-87108-841-X.
  4. ^ "xmACIS2". National Oceanic and Atmospheric Administration. Retrieved September 24, 2023.
  5. ^ "Lake Irene, Colorado 1991-2020 Monthly Normals". Retrieved September 26, 2023.
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