Revision as of 16:15, 17 January 2022 editTrappist the monk (talk | contribs)Administrators479,602 editsm lang fix;← Previous edit | Revision as of 02:44, 29 March 2024 edit undoButteryButterss (talk | contribs)Extended confirmed users1,477 edits Made a climate section and made a weatherbox of the 1991-2020 normals for PuntillaNext edit → | ||
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==Watershed== | ==Watershed== | ||
Heads at South Twin Glacier at {{coord|61|26|00|N|152|41|00|W|region:US-AK_type:landmark_source:GNIS}}, flows North and East to ], {{convert|63|mi|km}} North of ] ] Low.<ref name="GNIS-SR" /> | Heads at South Twin Glacier at {{coord|61|26|00|N|152|41|00|W|region:US-AK_type:landmark_source:GNIS}}, flows North and East to ], {{convert|63|mi|km}} North of ] ] Low.<ref name="GNIS-SR" /> | ||
==Climate== | |||
Puntilla Lake, 1858 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> | |||
}} | |||
===Tributaries=== | ===Tributaries=== |
Revision as of 02:44, 29 March 2024
River in Alaska, United StatesSkwentna River | |
---|---|
Location of the mouth of the Skwentna River in Alaska | |
Native name | Shqitnu (Tanaina) |
Location | |
Country | United States |
State | Alaska |
Borough | Matanuska-Susitna |
Physical characteristics | |
Source | |
• coordinates | 61°25′57″N 152°40′47″W / 61.43250°N 152.67972°W / 61.43250; -152.67972 South Twin Glacier |
• elevation | 3,500 ft (1,100 m) |
Mouth | |
• coordinates | 61°59′8″N 151°8′23″W / 61.98556°N 151.13972°W / 61.98556; -151.13972 Yentna River |
• elevation | 125 ft (38 m) |
Length | 100 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.
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) |
Tributaries
See also
References
- "Skwentna River source from USGS-GNIS". MSR Maps.
- ^ U.S. Geological Survey Geographic Names Information System: Skwentna River
- United States Geological Survey Hydrological Unit Code:
- "Data of Meteorological Station Puntilla Lake, Alaska". geographic.org. Retrieved March 29, 2024.
- "Puntilla, Alaska 1991-2020 Monthly Normals". Retrieved March 29, 2024.
- "xmACIS". National Oceanic and Atmospheric Administration. Retrieved March 29, 2024.
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