Built 2026-10-16 (16 October 2026)

Cottonwood Alaska Weather Records (USR0000ACOT)

Record envelope, standing records and threshold days for Cottonwood Alaska (USR0000ACOT), Alaska, United States, with 33 years of record.

Key Facts for Cottonwood Alaska

  • Cottonwood Alaska (USR0000ACOT) is a weather station in Alaska, United States at 65.35 latitude and -155.94 longitude, 399 m (1,310 ft) above sea level.
  • The station reports from 1991 to 2023, 33 years of record.
  • 1,464 records set at Cottonwood Alaska still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Alaska, United States, 65.35 latitude, -155.94 longitude.
  • Elevation: 399 m (1,310 ft).
  • Period of record: 1991 to 2023, 33 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

29 days at or beyond a record
Daily record high and record low at Cottonwood Alaska, with 2026 drawn through them The band shows the record high and record low for each calendar day at Cottonwood Alaska. The lines show the 2026 daily maximum and minimum. 29 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Cottonwood Alaska. The lines show the 2026 daily maximum and minimum. 29 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Cottonwood Alaska, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan6.7 C (44.1 F)-43.3 C (-45.9 F)3.3 C (37.9 F)-33.3 C (-27.9 F)
Feb7.2 C (45.0 F)-42.2 C (-44.0 F)0.6 C (33.1 F)-21.7 C (-7.1 F)
Mar11.7 C (53.1 F)-33.9 C (-29.0 F)4.4 C (39.9 F)-23.9 C (-11.0 F)
Apr17.8 C (64.0 F)-28.9 C (-20.0 F)7.8 C (46.0 F)-22.2 C (-8.0 F)
May36.1 C (97.0 F)-26.7 C (-16.1 F)17.8 C (64.0 F)-3.3 C (26.1 F)
Jun43.3 C (109.9 F)-6.1 C (21.0 F)27.8 C (82.0 F)-1.7 C (28.9 F)
Jul36.1 C (97.0 F)-1.1 C (30.0 F)30.6 C (87.1 F)3.3 C (37.9 F)
Aug28.9 C (84.0 F)-9.4 C (15.1 F)24.4 C (75.9 F)2.8 C (37.0 F)
Sep29.4 C (84.9 F)-23.3 C (-9.9 F)12.8 C (55.0 F)-6.7 C (19.9 F)
Oct15.0 C (59.0 F)-23.3 C (-9.9 F)8.9 C (48.0 F)-13.9 C (7.0 F)
Nov6.1 C (43.0 F)-31.7 C (-25.1 F)-2.2 C (28.0 F)-18.9 C (-2.0 F)
Dec11.1 C (52.0 F)-35.6 C (-32.1 F)-8.3 C (17.1 F)-30.0 C (-22.0 F)

Which Years Hold Standing Records

1,464 standing records
Standing records at Cottonwood Alaska by the year they were set 1,464 records at Cottonwood Alaska still stand. 2021 holds the most, with 149. 0501001501991: 121992: 401993: 371994: 751995: 581996: 141997: 141998: 471999: 682000: 652001: 582002: 792003: 252004: 382005: 152006: 122007: 132008: 152009: 582010: 422011: 152012: 262014: 722015: 512016: 442019: 652020: 342021: 1492022: 1002023: 262024: 462025: 5119911995199920032007201120162022
1,464 records at Cottonwood Alaska still stand. 2021 holds the most, with 149.
Standing records at Cottonwood Alaska by the year they were set
Year setStanding records
199112
199240
199337
199475
199558
199614
199714
199847
199968
200065
200158
200279
200325
200438
200515
200612
200713
200815
200958
201042
201115
201226
201472
201551
201644
201965
202034
2021149
2022100
202326
202446
202551

Period of Record Coverage

1991 to 2025
Days with data per year at Cottonwood Alaska 32 years of record at Cottonwood Alaska, 1991 to 2025. 19 years have data for under 90 percent of days and are left out of rankings: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 and others. 1991: 183 of 365 days1992: 165 of 366 days1993: 212 of 365 days1994: 318 of 365 days1995: 207 of 365 days1996: 105 of 366 days1997: 109 of 365 days1998: 234 of 365 days1999: 343 of 365 days2000: 365 of 366 days2001: 361 of 365 days2002: 350 of 365 days2003: 207 of 365 days2004: 151 of 366 days2005: 107 of 365 days2006: 139 of 365 days2007: 175 of 365 days2008: 222 of 366 days2009: 350 of 365 days2010: 226 of 365 days2011: 222 of 365 days2012: 236 of 366 days2014: 359 of 365 days2015: 313 of 365 days2016: 276 of 366 days2019: 359 of 365 days2020: 349 of 366 days2021: 332 of 365 days2022: 349 of 365 days2023: 346 of 365 days2024: 358 of 366 days2025: 361 of 365 days1995200020052010201520202025
32 years of record at Cottonwood Alaska, 1991 to 2025. 19 years have data for under 90 percent of days and are left out of rankings: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 and others.
Days with data per year at Cottonwood Alaska
YearDays with dataShare of yearComplete
199118350%No
199216545%No
199321258%No
199431887%No
199520757%No
199610529%No
199710930%No
199823464%No
199934394%Yes
2000365100%Yes
200136199%Yes
200235096%Yes
200320757%No
200415141%No
200510729%No
200613938%No
200717548%No
200822261%No
200935096%Yes
201022662%No
201122261%No
201223664%No
201435998%Yes
201531386%No
201627675%No
201935998%Yes
202034995%Yes
202133291%Yes
202234996%Yes
202334695%Yes
202435898%Yes
202536199%Yes

Latest Records

0

No records were set at this station in the latest data.

Climate Trend

11 complete years, 2000 to 2025
Annual mean temperature at Cottonwood Alaska as warming stripes, 2000 to 2025 One stripe for each of 11 complete years at Cottonwood Alaska, 2000 to 2025. Blue stripes are years cooler than the station's own mean of -2.2 C (28.0 F); red stripes are warmer. The coolest year was 2022, at -5.6 C (21.8 F), and the warmest was 2019, at -0.1 C (31.8 F). The strongest colour marks a difference of 3.5 C (6.3 F). 2000: -2.2 C, 0.0 C from the station mean2001: -3.3 C, -1.0 C from the station mean2002: -1.3 C, +1.0 C from the station mean2009: -2.9 C, -0.7 C from the station mean2014: -0.6 C, +1.6 C from the station mean2019: -0.1 C, +2.1 C from the station mean2020: -2.5 C, -0.3 C from the station mean2022: -5.6 C, -3.4 C from the station mean2023: -2.3 C, 0.0 C from the station mean2024: -1.9 C, +0.3 C from the station mean2025: -1.7 C, +0.5 C from the station mean200020052010201520202025
One stripe for each of 11 complete years at Cottonwood Alaska, 2000 to 2025. Blue stripes are years cooler than the station's own mean of -2.2 C (28.0 F); red stripes are warmer. The coolest year was 2022, at -5.6 C (21.8 F), and the warmest was 2019, at -0.1 C (31.8 F). The strongest colour marks a difference of 3.5 C (6.3 F).
Annual mean temperature at Cottonwood Alaska as warming stripes, 2000 to 2025
YearAnnual mean temperatureDifference from the station mean
2000-2.2 C+0.03 C
2001-3.3 C-1.04 C
2002-1.3 C+0.96 C
2009-2.9 C-0.73 C
2014-0.6 C+1.62 C
2019-0.1 C+2.12 C
2020-2.5 C-0.30 C
2022-5.6 C-3.42 C
2023-2.3 C-0.04 C
2024-1.9 C+0.29 C
2025-1.7 C+0.55 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1991 to 2026
Yearly extremes at Cottonwood Alaska: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)43.3 C (109.9 F)200627.8 C (82.0 F)33
Coldest night (TNn)-43.3 C (-45.9 F)1999-32.8 C (-27.0 F)33

Hottest day (TXx)

Hottest day (TXx) at Cottonwood Alaska by year The hottest day of the year at Cottonwood Alaska, 1991 to 2026. The record is 43.3 C (109.9 F) in 2006, marked on the chart; the median year is 27.8 C (82.0 F). 202530354045200020102020Record: 43.3 C (109.9 F) in 2006
The hottest day of the year at Cottonwood Alaska, 1991 to 2026. The record is 43.3 C (109.9 F) in 2006, marked on the chart; the median year is 27.8 C (82.0 F).
Hottest day (TXx) at Cottonwood Alaska by year
YearHottest day (TXx)
199130.6 C (87.1 F)
199227.2 C (81.0 F)
199328.9 C (84.0 F)
199426.7 C (80.1 F)
199526.1 C (79.0 F)
199625.0 C (77.0 F)
199726.7 C (80.1 F)
199832.2 C (90.0 F)
199927.8 C (82.0 F)
200027.8 C (82.0 F)
200126.1 C (79.0 F)
200227.2 C (81.0 F)
200324.4 C (75.9 F)
200428.9 C (84.0 F)
200526.7 C (80.1 F)
200643.3 C (109.9 F)
200728.3 C (82.9 F)
200827.8 C (82.0 F)
200930.0 C (86.0 F)
201027.2 C (81.0 F)
201126.7 C (80.1 F)
201224.4 C (75.9 F)
201427.8 C (82.0 F)
201536.1 C (97.0 F)
201631.1 C (88.0 F)
201931.1 C (88.0 F)
202024.4 C (75.9 F)
202129.4 C (84.9 F)
202226.1 C (79.0 F)
202330.0 C (86.0 F)
202428.3 C (82.9 F)
202530.6 C (87.1 F)
202626.1 C (79.0 F)

Coldest night (TNn)

Coldest night (TNn) at Cottonwood Alaska by year The coldest night of the year at Cottonwood Alaska, 1991 to 2026. The record is -43.3 C (-45.9 F) in 1999, marked on the chart; the median year is -32.8 C (-27.0 F). -60-40-200200020102020Record: -43.3 C (-45.9 F) in 1999
The coldest night of the year at Cottonwood Alaska, 1991 to 2026. The record is -43.3 C (-45.9 F) in 1999, marked on the chart; the median year is -32.8 C (-27.0 F).
Coldest night (TNn) at Cottonwood Alaska by year
YearColdest night (TNn)
1991-25.0 C (-13.0 F)
1992-22.2 C (-8.0 F)
1993-25.0 C (-13.0 F)
1994-31.7 C (-25.1 F)
1995-36.7 C (-34.1 F)
1996-5.6 C (21.9 F)
1997-0.6 C (30.9 F)
1998-35.0 C (-31.0 F)
1999-43.3 C (-45.9 F)
2000-33.9 C (-29.0 F)
2001-33.3 C (-27.9 F)
2002-35.6 C (-32.1 F)
2003-34.4 C (-29.9 F)
2004-15.0 C (5.0 F)
2005-33.3 C (-27.9 F)
2006-21.7 C (-7.1 F)
2007-13.3 C (8.1 F)
2008-27.8 C (-18.0 F)
2009-33.9 C (-29.0 F)
2010-31.7 C (-25.1 F)
2011-34.4 C (-29.9 F)
2012-37.2 C (-35.0 F)
2014-30.0 C (-22.0 F)
2015-32.2 C (-26.0 F)
2016-25.0 C (-13.0 F)
2019-33.3 C (-27.9 F)
2020-31.7 C (-25.1 F)
2021-32.8 C (-27.0 F)
2022-26.7 C (-16.1 F)
2023-33.9 C (-29.0 F)
2024-36.1 C (-33.0 F)
2025-33.3 C (-27.9 F)
2026-35.6 C (-32.1 F)

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Cottonwood Alaska standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Cottonwood Alaska threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).