Built 2026-10-19 (19 October 2026)

Klawasi Alaska Weather Records (USR0000AKLA)

Record envelope, standing records and threshold days for Klawasi Alaska (USR0000AKLA), Alaska, United States, with 33 years of record.

Key Facts for Klawasi Alaska

  • Klawasi Alaska (USR0000AKLA) is a weather station in Alaska, United States at 62.15 latitude and -144.93 longitude, 945 m (3,100 ft) above sea level.
  • The station reports from 1991 to 2023, 33 years of record.
  • 1,464 records set at Klawasi Alaska still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Klawasi Alaska set a daily record high maximum temperature of 13.3 C (55.9 F) on 27 September 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Alaska, United States, 62.15 latitude, -144.93 longitude.
  • Elevation: 945 m (3,100 ft).
  • Period of record: 1991 to 2023, 33 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

23 days at or beyond a record
Daily record high and record low at Klawasi Alaska, with 2026 drawn through them The band shows the record high and record low for each calendar day at Klawasi Alaska. The lines show the 2026 daily maximum and minimum. 23 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Klawasi Alaska. The lines show the 2026 daily maximum and minimum. 23 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Klawasi Alaska, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan8.9 C (48.0 F)-36.1 C (-33.0 F)5.0 C (41.0 F)-35.6 C (-32.1 F)
Feb7.8 C (46.0 F)-37.8 C (-36.0 F)4.4 C (39.9 F)-33.9 C (-29.0 F)
Mar11.1 C (52.0 F)-33.3 C (-27.9 F)0.0 C (32.0 F)-32.8 C (-27.0 F)
Apr19.4 C (66.9 F)-30.0 C (-22.0 F)10.6 C (51.1 F)-16.1 C (3.0 F)
May23.3 C (73.9 F)-10.6 C (12.9 F)15.6 C (60.1 F)-1.1 C (30.0 F)
Jun30.6 C (87.1 F)-5.0 C (23.0 F)23.9 C (75.0 F)2.8 C (37.0 F)
Jul31.1 C (88.0 F)1.7 C (35.1 F)24.4 C (75.9 F)2.2 C (36.0 F)
Aug29.4 C (84.9 F)-5.6 C (21.9 F)27.2 C (81.0 F)-1.1 C (30.0 F)
Sep23.9 C (75.0 F)-11.7 C (10.9 F)21.1 C (70.0 F)-5.0 C (23.0 F)
Oct20.0 C (68.0 F)-23.9 C (-11.0 F)10.0 C (50.0 F)-7.2 C (19.0 F)
Nov10.0 C (50.0 F)-33.9 C (-29.0 F)n/an/a
Dec8.3 C (46.9 F)-35.6 C (-32.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Klawasi Alaska by the year they were set 1,464 records at Klawasi Alaska still stand. 2002 holds the most, with 104. 0501001501991: 61992: 31993: 311994: 531995: 611996: 671997: 441998: 221999: 622000: 482001: 362002: 1042003: 672004: 652005: 582006: 352007: 402008: 522009: 462010: 332011: 312012: 272014: 452015: 382016: 332017: 152018: 142019: 812020: 382021: 402022: 202023: 392024: 322025: 522026: 26199119951999200320072011201620202024
1,464 records at Klawasi Alaska still stand. 2002 holds the most, with 104.
Standing records at Klawasi Alaska by the year they were set
Year setStanding records
19916
19923
199331
199453
199561
199667
199744
199822
199962
200048
200136
2002104
200367
200465
200558
200635
200740
200852
200946
201033
201131
201227
201445
201538
201633
201715
201814
201981
202038
202140
202220
202339
202432
202552
202626

Period of Record Coverage

1991 to 2026
Days with data per year at Klawasi Alaska 35 years of record at Klawasi Alaska, 1991 to 2026. 9 years have data for under 90 percent of days and are left out of rankings: 1991, 1992, 1993, 2012, 2017, 2018, 2022, 2025 and others. 1991: 56 of 365 days1992: 13 of 366 days1993: 204 of 365 days1994: 330 of 365 days1995: 361 of 365 days1996: 366 of 366 days1997: 360 of 365 days1998: 364 of 365 days1999: 364 of 365 days2000: 364 of 366 days2001: 354 of 365 days2002: 361 of 365 days2003: 363 of 365 days2004: 361 of 366 days2005: 365 of 365 days2006: 363 of 365 days2007: 363 of 365 days2008: 363 of 366 days2009: 360 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 256 of 366 days2014: 364 of 365 days2015: 364 of 365 days2016: 355 of 366 days2017: 232 of 365 days2018: 105 of 365 days2019: 359 of 365 days2020: 364 of 366 days2021: 359 of 365 days2022: 319 of 365 days2023: 363 of 365 days2024: 363 of 366 days2025: 326 of 365 days2026: 283 of 365 days1995200020052010201520202025
35 years of record at Klawasi Alaska, 1991 to 2026. 9 years have data for under 90 percent of days and are left out of rankings: 1991, 1992, 1993, 2012, 2017, 2018, 2022, 2025 and others.
Days with data per year at Klawasi Alaska
YearDays with dataShare of yearComplete
19915615%No
1992134%No
199320456%No
199433090%Yes
199536199%Yes
1996366100%Yes
199736099%Yes
1998364100%Yes
1999364100%Yes
200036499%Yes
200135497%Yes
200236199%Yes
200336399%Yes
200436199%Yes
2005365100%Yes
200636399%Yes
200736399%Yes
200836399%Yes
200936099%Yes
2010365100%Yes
2011365100%Yes
201225670%No
2014364100%Yes
2015364100%Yes
201635597%Yes
201723264%No
201810529%No
201935998%Yes
202036499%Yes
202135998%Yes
202231987%No
202336399%Yes
202436399%Yes
202532689%No
202628378%No

Latest Records

20
Latest records at Klawasi Alaska
DateStationRecordValueBeat old record byOld record stoodSignificance
27 September 2026Klawasi Alaska, USdaily high max (Provisional)13.3 C (55.9 F)1.6 C (2.9 F)31 years15 of 100 (Routine)
25 September 2026Klawasi Alaska, USdaily high max (Tie, Provisional)12.2 C (54.0 F)tie8 years1 of 100 (Routine)
16 September 2026Klawasi Alaska, USdaily high min (Provisional)6.7 C (44.1 F)1.1 C (2.0 F)20 years11 of 100 (Routine)
11 September 2026Klawasi Alaska, USdaily high max (Provisional)18.3 C (64.9 F)1.1 C (2.0 F)19 years10 of 100 (Routine)
5 September 2026Klawasi Alaska, USdaily high max (Tie, Provisional)18.9 C (66.0 F)tie24 years2 of 100 (Routine)
24 August 2026Klawasi Alaska, USdaily high max (Provisional)20.6 C (69.1 F)0.6 C (1.1 F)0 years4 of 100 (Routine)
18 August 2026Klawasi Alaska, USdaily high min (Tie)11.1 C (52.0 F)tie32 years3 of 100 (Routine)
17 August 2026Klawasi Alaska, USdaily high min (Tie)10.6 C (51.1 F)tie21 years2 of 100 (Routine)
15 August 2026Klawasi Alaska, USdaily high min12.8 C (55.0 F)1.1 C (2.0 F)21 years12 of 100 (Routine)
15 August 2026Klawasi Alaska, USdaily high max (Tie)24.4 C (75.9 F)tie16 years1 of 100 (Routine)
14 August 2026Klawasi Alaska, USdaily high max27.2 C (81.0 F)1.1 C (2.0 F)20 years11 of 100 (Routine)
1 August 2026Klawasi Alaska, USdaily high min (Tie)11.7 C (53.1 F)tie32 years3 of 100 (Routine)
25 July 2026Klawasi Alaska, USdaily low min2.2 C (36.0 F)1.1 C (2.0 F)31 years16 of 100 (Routine)
6 June 2026Klawasi Alaska, USdaily high min10.0 C (50.0 F)0.6 C (1.1 F)25 years12 of 100 (Routine)
4 June 2026Klawasi Alaska, USdaily high max23.3 C (73.9 F)1.6 C (2.9 F)4 years7 of 100 (Routine)
4 June 2026Klawasi Alaska, USdaily high min (Tie)10.6 C (51.1 F)tie16 years2 of 100 (Routine)
3 June 2026Klawasi Alaska, USdaily high max23.9 C (75.0 F)1.1 C (2.0 F)4 years6 of 100 (Routine)
20 May 2026Klawasi Alaska, USdaily low max (Tie)5.0 C (41.0 F)tie25 years2 of 100 (Routine)
23 April 2026Klawasi Alaska, USmonthly high min (Tie)4.4 C (39.9 F)tie21 years4 of 100 (Routine)
8 April 2026Klawasi Alaska, USdaily high min (Tie)-1.7 C (28.9 F)tie32 years3 of 100 (Routine)

Climate Trend

25 complete years, 1995 to 2024
Annual mean temperature at Klawasi Alaska as warming stripes, 1995 to 2024 One stripe for each of 25 complete years at Klawasi Alaska, 1995 to 2024. Blue stripes are years cooler than the station's own mean of -0.9 C (30.4 F); red stripes are warmer. The coolest year was 1996, at -3.3 C (26.0 F), and the warmest was 2019, at 1.4 C (34.5 F). The strongest colour marks a difference of 2.5 C (4.5 F). 1995: -1.3 C, -0.5 C from the station mean1996: -3.3 C, -2.4 C from the station mean1997: -0.6 C, +0.3 C from the station mean1998: -1.2 C, -0.3 C from the station mean1999: -2.4 C, -1.5 C from the station mean2000: -0.7 C, +0.2 C from the station mean2001: -0.8 C, +0.1 C from the station mean2002: 0.0 C, +0.8 C from the station mean2003: -0.3 C, +0.5 C from the station mean2004: 0.0 C, +0.9 C from the station mean2005: -0.2 C, +0.7 C from the station mean2006: -2.5 C, -1.6 C from the station mean2007: -1.1 C, -0.2 C from the station mean2008: -2.4 C, -1.5 C from the station mean2009: -1.1 C, -0.2 C from the station mean2010: -1.0 C, -0.1 C from the station mean2011: -1.5 C, -0.6 C from the station mean2014: 0.0 C, +0.9 C from the station mean2015: -0.1 C, +0.7 C from the station mean2016: 0.9 C, +1.8 C from the station mean2019: 1.4 C, +2.3 C from the station mean2020: -1.5 C, -0.6 C from the station mean2021: -1.9 C, -1.1 C from the station mean2023: 0.0 C, +0.9 C from the station mean2024: -0.6 C, +0.3 C from the station mean199520002005201020152020
One stripe for each of 25 complete years at Klawasi Alaska, 1995 to 2024. Blue stripes are years cooler than the station's own mean of -0.9 C (30.4 F); red stripes are warmer. The coolest year was 1996, at -3.3 C (26.0 F), and the warmest was 2019, at 1.4 C (34.5 F). The strongest colour marks a difference of 2.5 C (4.5 F).
Annual mean temperature at Klawasi Alaska as warming stripes, 1995 to 2024
YearAnnual mean temperatureDifference from the station mean
1995-1.3 C-0.46 C
1996-3.3 C-2.43 C
1997-0.6 C+0.31 C
1998-1.2 C-0.33 C
1999-2.4 C-1.49 C
2000-0.7 C+0.22 C
2001-0.8 C+0.10 C
20020.0 C+0.84 C
2003-0.3 C+0.54 C
20040.0 C+0.92 C
2005-0.2 C+0.70 C
2006-2.5 C-1.59 C
2007-1.1 C-0.22 C
2008-2.4 C-1.52 C
2009-1.1 C-0.22 C
2010-1.0 C-0.14 C
2011-1.5 C-0.60 C
20140.0 C+0.91 C
2015-0.1 C+0.74 C
20160.9 C+1.83 C
20191.4 C+2.30 C
2020-1.5 C-0.57 C
2021-1.9 C-1.06 C
20230.0 C+0.90 C
2024-0.6 C+0.28 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 Klawasi Alaska: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)31.1 C (88.0 F)201925.6 C (78.1 F)35
Coldest night (TNn)-37.8 C (-36.0 F)1999-32.2 C (-26.0 F)35

Hottest day (TXx)

Hottest day (TXx) at Klawasi Alaska by year The hottest day of the year at Klawasi Alaska, 1991 to 2026. The record is 31.1 C (88.0 F) in 2019, marked on the chart; the median year is 25.6 C (78.1 F). 1520253035200020102020Record: 31.1 C (88.0 F) in 2019
The hottest day of the year at Klawasi Alaska, 1991 to 2026. The record is 31.1 C (88.0 F) in 2019, marked on the chart; the median year is 25.6 C (78.1 F).
Hottest day (TXx) at Klawasi Alaska by year
YearHottest day (TXx)
199125.0 C (77.0 F)
199222.2 C (72.0 F)
199327.2 C (81.0 F)
199428.9 C (84.0 F)
199526.1 C (79.0 F)
199622.2 C (72.0 F)
199725.6 C (78.1 F)
199824.4 C (75.9 F)
199925.6 C (78.1 F)
200021.7 C (71.1 F)
200122.2 C (72.0 F)
200226.1 C (79.0 F)
200325.6 C (78.1 F)
200428.3 C (82.9 F)
200527.8 C (82.0 F)
200622.8 C (73.0 F)
200724.4 C (75.9 F)
200822.8 C (73.0 F)
200927.2 C (81.0 F)
201024.4 C (75.9 F)
201123.3 C (73.9 F)
201225.0 C (77.0 F)
201425.0 C (77.0 F)
201526.1 C (79.0 F)
201628.3 C (82.9 F)
201729.4 C (84.9 F)
201815.6 C (60.1 F)
201931.1 C (88.0 F)
202024.4 C (75.9 F)
202129.4 C (84.9 F)
202226.7 C (80.1 F)
202327.8 C (82.0 F)
202426.7 C (80.1 F)
202527.8 C (82.0 F)
202627.2 C (81.0 F)

Coldest night (TNn)

Coldest night (TNn) at Klawasi Alaska by year The coldest night of the year at Klawasi Alaska, 1991 to 2026. The record is -37.8 C (-36.0 F) in 1999, marked on the chart; the median year is -32.2 C (-26.0 F). -40-20020200020102020Record: -37.8 C (-36.0 F) in 1999
The coldest night of the year at Klawasi Alaska, 1991 to 2026. The record is -37.8 C (-36.0 F) in 1999, marked on the chart; the median year is -32.2 C (-26.0 F).
Coldest night (TNn) at Klawasi Alaska by year
YearColdest night (TNn)
19912.2 C (36.0 F)
19923.3 C (37.9 F)
1993-30.0 C (-22.0 F)
1994-33.9 C (-29.0 F)
1995-35.6 C (-32.1 F)
1996-33.9 C (-29.0 F)
1997-36.1 C (-33.0 F)
1998-30.0 C (-22.0 F)
1999-37.8 C (-36.0 F)
2000-31.1 C (-24.0 F)
2001-32.2 C (-26.0 F)
2002-29.4 C (-20.9 F)
2003-31.7 C (-25.1 F)
2004-33.9 C (-29.0 F)
2005-31.7 C (-25.1 F)
2006-30.6 C (-23.1 F)
2007-33.3 C (-27.9 F)
2008-33.9 C (-29.0 F)
2009-36.1 C (-33.0 F)
2010-31.7 C (-25.1 F)
2011-31.7 C (-25.1 F)
2012-32.2 C (-26.0 F)
2014-29.4 C (-20.9 F)
2015-33.3 C (-27.9 F)
2016-30.0 C (-22.0 F)
2017-29.4 C (-20.9 F)
2018-20.6 C (-5.1 F)
2019-32.8 C (-27.0 F)
2020-33.9 C (-29.0 F)
2021-31.1 C (-24.0 F)
2022-35.0 C (-31.0 F)
2023-28.9 C (-20.0 F)
2024-33.3 C (-27.9 F)
2025-34.4 C (-29.9 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.

Frost Dates and Growing Season

25 years with a frost

Across 25 years with a frost, the median last spring frost at Klawasi Alaska falls on 29 May and the median first autumn frost on 8 September, which leaves a median of 104 days between them.

Fitted over all years, the growing season changes by +10.7 days per decade at this station.

Frost dates and growing season at Klawasi Alaska
MeasureMedian, all yearsEarliest periodRecent period (1995 to 2024)Recent against earliestFitted trend
Last spring frost29 Mayn/a29 Mayn/a-7.6 days per decade
First autumn frost8 Septembern/a8 Septembern/a+3.1 days per decade
Growing days104 daysn/a104 daysn/a+10.7 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Klawasi Alaska standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Klawasi 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-17).