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{{Infobox river {{Infobox river
| name = Skwentna River | name = Skwentna River
| native_name = {{native name|tfn|Shqitnu}}
| image = | image =
| image_size = <!--Optional; defaults to 288 px--> | image_size = 300
| image_caption = Skwentna River in ] | image_caption = Skwentna River in ]
| pushpin_map = USA Alaska
| pushpin_map_size = 300
| pushpin_map_caption= Location of the mouth of the Skwentna River in Alaska
| subdivision_type1 = Country
| subdivision_name1 = ]
| subdivision_type2 = State
| subdivision_name2 = ]
| subdivision_type3 = Borough
| subdivision_name3 = ]
| source1_location = | source1_location =
| source1_coordinates= {{coord|61|25|57|N|152|40|47|W|region:US-AK}} | source1_coordinates= {{coord|61|25|57|N|152|40|47|W|region:US-AK}}
Line 10: Line 20:
| mouth_coordinates = {{coord|61|59|8|N|151|8|23|W|region:US-AK|display=inline,title}} | mouth_coordinates = {{coord|61|59|8|N|151|8|23|W|region:US-AK|display=inline,title}}
| mouth_coord_ref =<ref name="GNIS-SR"/><br/>] | mouth_coord_ref =<ref name="GNIS-SR"/><br/>]
| subdivision_type1 = Country
| subdivision_name1 = ]
| length = {{convert|100|mi|km|abbr=on}}<ref name="GNIS-SR"/> | length = {{convert|100|mi|km|abbr=on}}<ref name="GNIS-SR"/>
| source1_elevation = {{convert|3500|ft|m|abbr=on}}<ref>{{cite web | source1_elevation = {{convert|3500|ft|m|abbr=on}}<ref>{{cite web
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}} }}


The '''Skwentna River'''<ref>] Hydrological Unit Code:</ref> is a ] in the southwestern part of ]. The '''Skwentna River'''<ref>] Hydrological Unit Code:</ref> (]: ''Shqitnu'') is a ] in the southwestern part of ].


==History== ==History==
] name reported in 1898 by Spurr (1900,p.&nbsp;48), USGS, as "Skwent River."<ref name="GNIS-SR" /> ] name reported in 1898 by Spurr (1900, p.&nbsp;48), USGS, as "Skwent River."<ref name="GNIS-SR" />


==Watershed== ==Watershed==
Line 33: Line 41:
===Tributaries=== ===Tributaries===
*] *]

==Climate==
Puntilla Lake, 1858&nbsp;ft (566 m), is a weather station located near the source of the Skwentna River, approximately 50 miles west of ].<ref name = "puntilla">{{cite web|url = https://geographic.org/global_weather/alaska/puntilla_lake_702490_26526.html |publisher = geographic.org |title = Data of Meteorological Station Puntilla Lake, Alaska |access-date = March 29, 2024}}</ref> Puntilla has a ] (] ''Dfc'').
{{Weather box
|single line = yes
|location = Puntilla, Alaska, 1991–2020 normals, 1942–2020 extremes: 1858ft (566m)
|Jan record high F = 49
|Feb record high F = 47
|Mar record high F = 52
|Apr record high F = 62
|May record high F = 80
|Jun record high F = 87
|Jul record high F = 85
|Aug record high F = 83
|Sep record high F = 73
|Oct record high F = 61
|Nov record high F = 52
|Dec record high F = 45
|year record high F =

|Jan avg record high F = 32.2
|Feb avg record high F = 35.6
|Mar avg record high F = 39.0
|Apr avg record high F = 49.6
|May avg record high F = 66.1
|Jun avg record high F = 75.0
|Jul avg record high F = 76.7
|Aug avg record high F = 70.9
|Sep avg record high F = 61.4
|Oct avg record high F = 49.4
|Nov avg record high F = 35.4
|Dec avg record high F = 31.1
|year avg record high F = 78.4

|Jan high F = 12.0
|Feb high F = 21.7
|Mar high F = 26.9
|Apr high F = 39.5
|May high F = 52.5
|Jun high F = 61.6
|Jul high F = 64.4
|Aug high F = 60.4
|Sep high F = 50.2
|Oct high F = 35.2
|Nov high F = 20.8
|Dec high F = 14.4
|year high F =

|Jan mean F = 5.9
|Feb mean F = 13.5
|Mar mean F = 16.7
|Apr mean F = 29.7
|May mean F = 42.5
|Jun mean F = 51.6
|Jul mean F = 55.7
|Aug mean F = 52.2
|Sep mean F = 43.1
|Oct mean F = 28.4
|Nov mean F = 14.2
|Dec mean F = 8.0
|year mean F =

|Jan low F = -0.1
|Feb low F = 5.3
|Mar low F = 6.4
|Apr low F = 19.9
|May low F = 32.4
|Jun low F = 41.7
|Jul low F = 47.0
|Aug low F = 44.0
|Sep low F = 35.9
|Oct low F = 21.5
|Nov low F = 7.5
|Dec low F = 1.6
|year low F =

|Jan avg record low F = -28.6
|Feb avg record low F = -23.1
|Mar avg record low F = -19.1
|Apr avg record low F = -5.7
|May avg record low F = 18.2
|Jun avg record low F = 28.1
|Jul avg record low F = 35.6
|Aug avg record low F = 29.7
|Sep avg record low F = 19.9
|Oct avg record low F = 2.6
|Nov avg record low F = -14.0
|Dec avg record low F = -22.8
|year avg record low F = -32.3

|Jan record low F = −50
|Feb record low F = −45
|Mar record low F = −40
|Apr record low F = −28
|May record low F = −8
|Jun record low F = 8
|Jul record low F = 25
|Aug record low F = 14
|Sep record low F = 5
|Oct record low F = −25
|Nov record low F = −36
|Dec record low F = −50
|year record low F =

|precipitation colour= green
|Jan precipitation inch = 1.21
|Feb precipitation inch = 1.07
|Mar precipitation inch = 0.61
|Apr precipitation inch = 0.51
|May precipitation inch = 0.31
|Jun precipitation inch = 1.13
|Jul precipitation inch = 2.14
|Aug precipitation inch = 2.14
|Sep precipitation inch = 2.11
|Oct precipitation inch = 1.47
|Nov precipitation inch = 1.41
|Dec precipitation inch = 1.75
|year precipitation inch =

|Jan snow inch = 15.90
|Feb snow inch = 15.00
|Mar snow inch = 8.50
|Apr snow inch = 5.30
|May snow inch = 0.40
|Jun snow inch = 0.00
|Jul snow inch = 0.00
|Aug snow inch = 0.00
|Sep snow inch = 1.20
|Oct snow inch = 8.60
|Nov snow inch = 18.90
|Dec snow inch = 22.50
|year snow inch =

|Jan snow depth inch = 34.2
|Feb snow depth inch = 41.0
|Mar snow depth inch = 37.7
|Apr snow depth inch = 32.6
|May snow depth inch = 9.8
|Jun snow depth inch = 0.0
|Jul snow depth inch = 0.0
|Aug snow depth inch = 0.0
|Sep snow depth inch = 0.9
|Oct snow depth inch = 5.0
|Nov snow depth inch = 16.0
|Dec snow depth inch = 26.9
|year snow depth inch = 47.8

|unit precipitation days = 0.01 in
|Jan precipitation days = 7.4
|Feb precipitation days = 7.1
|Mar precipitation days = 4.6
|Apr precipitation days = 3.0
|May precipitation days = 3.0
|Jun precipitation days = 6.8
|Jul precipitation days = 10.7
|Aug precipitation days = 10.8
|Sep precipitation days = 10.9
|Oct precipitation days = 7.8
|Nov precipitation days = 8.9
|Dec precipitation days = 10.6
|year precipitation days =

|unit snow days = 0.1 in
|Jan snow days = 8.3
|Feb snow days = 7.4
|Mar snow days = 4.8
|Apr snow days = 2.9
|May snow days = 0.4
|Jun snow days = 0.0
|Jul snow days = 0.0
|Aug snow days = 0.0
|Sep snow days = 0.5
|Oct snow days = 4.0
|Nov snow days = 7.3
|Dec snow days = 10.3
|year snow days =

|source 1 = NOAA<ref name = NOAA1>
{{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=USC00507783&format=pdf
|title = Puntilla, Alaska 1991-2020 Monthly Normals
|access-date = March 29, 2024
}}
</ref>
|source 2 = XMACIS2 (records, 1991-2020 monthly max/mins & snow)<ref name = XMACIS2>
{{cite web
|url = https://xmacis.rcc-acis.org/
|publisher = National Oceanic and Atmospheric Administration
|title = xmACIS
|access-date = March 29, 2024
}}
</ref>
}}


==See also== ==See also==
Line 39: Line 240:
==References== ==References==
{{reflist}} {{reflist}}

{{authority control}}


] ]

Latest revision as of 12:25, 24 October 2024

River in Alaska, United States
Skwentna River
Skwentna River is located in AlaskaSkwentna RiverLocation of the mouth of the Skwentna River in Alaska
Native nameShqitnu (Tanaina)
Location
CountryUnited States
StateAlaska
BoroughMatanuska-Susitna
Physical characteristics
Source 
 • coordinates61°25′57″N 152°40′47″W / 61.43250°N 152.67972°W / 61.43250; -152.67972
South Twin Glacier
 • elevation3,500 ft (1,100 m)
Mouth 
 • coordinates61°59′8″N 151°8′23″W / 61.98556°N 151.13972°W / 61.98556; -151.13972
Yentna River
 • elevation125 ft (38 m)
Length100 mi (160 km)

The Skwentna River (Dena'ina: Shqitnu) is a river in the southwestern part of Matanuska-Susitna Borough, Alaska.

History

Tanaina Indian name reported in 1898 by Spurr (1900, p. 48), USGS, as "Skwent River."

Watershed

Heads at South Twin Glacier at 61°26′00″N 152°41′00″W / 61.43333°N 152.68333°W / 61.43333; -152.68333, flows North and East to Yentna River, 63 miles (101 km) North of Tyonek, Alaska Cook Inlet Low.

Tributaries

Climate

Puntilla Lake, 1858 ft (566 m), is a weather station located near the source of the Skwentna River, approximately 50 miles west of Skwentna. Puntilla has a subarctic climate (Köppen Dfc).

Climate data for Puntilla, Alaska, 1991–2020 normals, 1942–2020 extremes: 1858ft (566m)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 49
(9) 		47
(8) 		52
(11) 		62
(17) 		80
(27) 		87
(31) 		85
(29) 		83
(28) 		73
(23) 		61
(16) 		52
(11) 		45
(7) 		87
(31)
Mean maximum °F (°C) 32.2
(0.1) 		35.6
(2.0) 		39.0
(3.9) 		49.6
(9.8) 		66.1
(18.9) 		75.0
(23.9) 		76.7
(24.8) 		70.9
(21.6) 		61.4
(16.3) 		49.4
(9.7) 		35.4
(1.9) 		31.1
(−0.5) 		78.4
(25.8)
Mean daily maximum °F (°C) 12.0
(−11.1) 		21.7
(−5.7) 		26.9
(−2.8) 		39.5
(4.2) 		52.5
(11.4) 		61.6
(16.4) 		64.4
(18.0) 		60.4
(15.8) 		50.2
(10.1) 		35.2
(1.8) 		20.8
(−6.2) 		14.4
(−9.8) 		38.3
(3.5)
Daily mean °F (°C) 5.9
(−14.5) 		13.5
(−10.3) 		16.7
(−8.5) 		29.7
(−1.3) 		42.5
(5.8) 		51.6
(10.9) 		55.7
(13.2) 		52.2
(11.2) 		43.1
(6.2) 		28.4
(−2.0) 		14.2
(−9.9) 		8.0
(−13.3) 		30.1
(−1.0)
Mean daily minimum °F (°C) −0.1
(−17.8) 		5.3
(−14.8) 		6.4
(−14.2) 		19.9
(−6.7) 		32.4
(0.2) 		41.7
(5.4) 		47.0
(8.3) 		44.0
(6.7) 		35.9
(2.2) 		21.5
(−5.8) 		7.5
(−13.6) 		1.6
(−16.9) 		21.9
(−5.6)
Mean minimum °F (°C) −28.6
(−33.7) 		−23.1
(−30.6) 		−19.1
(−28.4) 		−5.7
(−20.9) 		18.2
(−7.7) 		28.1
(−2.2) 		35.6
(2.0) 		29.7
(−1.3) 		19.9
(−6.7) 		2.6
(−16.3) 		−14.0
(−25.6) 		−22.8
(−30.4) 		−32.3
(−35.7)
Record low °F (°C) −50
(−46) 		−45
(−43) 		−40
(−40) 		−28
(−33) 		−8
(−22) 		8
(−13) 		25
(−4) 		14
(−10) 		5
(−15) 		−25
(−32) 		−36
(−38) 		−50
(−46) 		−50
(−46)
Average precipitation inches (mm) 1.21
(31) 		1.07
(27) 		0.61
(15) 		0.51
(13) 		0.31
(7.9) 		1.13
(29) 		2.14
(54) 		2.14
(54) 		2.11
(54) 		1.47
(37) 		1.41
(36) 		1.75
(44) 		15.86
(401.9)
Average snowfall inches (cm) 15.90
(40.4) 		15.00
(38.1) 		8.50
(21.6) 		5.30
(13.5) 		0.40
(1.0) 		0.00
(0.00) 		0.00
(0.00) 		0.00
(0.00) 		1.20
(3.0) 		8.60
(21.8) 		18.90
(48.0) 		22.50
(57.2) 		96.3
(244.6)
Average extreme snow depth inches (cm) 34.2
(87) 		41.0
(104) 		37.7
(96) 		32.6
(83) 		9.8
(25) 		0.0
(0.0) 		0.0
(0.0) 		0.0
(0.0) 		0.9
(2.3) 		5.0
(13) 		16.0
(41) 		26.9
(68) 		47.8
(121)
Average precipitation days (≥ 0.01 in) 7.4 7.1 4.6 3.0 3.0 6.8 10.7 10.8 10.9 7.8 8.9 10.6 91.6
Average snowy days (≥ 0.1 in) 8.3 7.4 4.8 2.9 0.4 0.0 0.0 0.0 0.5 4.0 7.3 10.3 45.9
Source 1: NOAA
Source 2: XMACIS2 (records, 1991-2020 monthly max/mins & snow)

See also

References

  1. "Skwentna River source from USGS-GNIS". MSR Maps.
  2. ^ U.S. Geological Survey Geographic Names Information System: Skwentna River
  3. United States Geological Survey Hydrological Unit Code:
  4. "Data of Meteorological Station Puntilla Lake, Alaska". geographic.org. Retrieved March 29, 2024.
  5. "Puntilla, Alaska 1991-2020 Monthly Normals". Retrieved March 29, 2024.
  6. "xmACIS". National Oceanic and Atmospheric Administration. Retrieved March 29, 2024.


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