Built 2026-10-16 (16 October 2026)

Jatahmund Lake Alaska Weather Records (USR0000AJAT)

Record envelope, standing records and threshold days for Jatahmund Lake Alaska (USR0000AJAT), Alaska, United States, with 34 years of record.

Key Facts for Jatahmund Lake Alaska

  • Jatahmund Lake Alaska (USR0000AJAT) is a weather station in Alaska, United States at 62.60 latitude and -142.08 longitude, 701 m (2,300 ft) above sea level.
  • The station reports from 1990 to 2023, 34 years of record.
  • 1,464 records set at Jatahmund Lake Alaska still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Jatahmund Lake Alaska set a daily record high maximum temperature of 21.1 C (70.0 F) on 11 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, 62.60 latitude, -142.08 longitude.
  • Elevation: 701 m (2,300 ft).
  • Period of record: 1990 to 2023, 34 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

8 days at or beyond a record
Daily record high and record low at Jatahmund Lake Alaska, with 2026 drawn through them The band shows the record high and record low for each calendar day at Jatahmund Lake Alaska. The lines show the 2026 daily maximum and minimum. 8 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Jatahmund Lake Alaska. The lines show the 2026 daily maximum and minimum. 8 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Jatahmund Lake Alaska, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan3.9 C (39.0 F)-50.9 C (-59.6 F)n/an/a
Feb10.0 C (50.0 F)-39.4 C (-38.9 F)n/an/a
Mar12.8 C (55.0 F)-33.3 C (-27.9 F)n/an/a
Apr24.4 C (75.9 F)-27.2 C (-17.0 F)16.1 C (61.0 F)-6.1 C (21.0 F)
May30.2 C (86.4 F)-10.2 C (13.6 F)17.8 C (64.0 F)0.0 C (32.0 F)
Jun35.0 C (95.0 F)-2.2 C (28.0 F)22.8 C (73.0 F)4.4 C (39.9 F)
Jul33.3 C (91.9 F)3.1 C (37.6 F)26.1 C (79.0 F)3.9 C (39.0 F)
Aug32.8 C (91.0 F)-1.7 C (28.9 F)26.7 C (80.1 F)2.8 C (37.0 F)
Sep26.1 C (79.0 F)-14.4 C (6.1 F)21.1 C (70.0 F)-3.9 C (25.0 F)
Oct17.2 C (63.0 F)-28.3 C (-18.9 F)7.8 C (46.0 F)-8.9 C (16.0 F)
Nov5.1 C (41.2 F)-38.9 C (-38.0 F)n/an/a
Dec13.3 C (55.9 F)-41.4 C (-42.5 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Jatahmund Lake Alaska by the year they were set 1,464 records at Jatahmund Lake Alaska still stand. 1992 holds the most, with 81. 02550751001990: 161991: 251992: 811993: 431994: 731995: 671996: 601997: 281998: 261999: 552000: 452001: 252002: 532003: 492004: 482005: 612006: 642007: 212008: 232009: 462010: 272011: 552012: 532013: 692014: 352015: 192016: 232017: 252019: 512020: 532021: 332022: 442023: 252024: 152025: 192026: 9199019941998200220062010201420192023
1,464 records at Jatahmund Lake Alaska still stand. 1992 holds the most, with 81.
Standing records at Jatahmund Lake Alaska by the year they were set
Year setStanding records
199016
199125
199281
199343
199473
199567
199660
199728
199826
199955
200045
200125
200253
200349
200448
200561
200664
200721
200823
200946
201027
201155
201253
201369
201435
201519
201623
201725
201951
202053
202133
202244
202325
202415
202519
20269

Period of Record Coverage

1990 to 2026
Days with data per year at Jatahmund Lake Alaska 36 years of record at Jatahmund Lake Alaska, 1990 to 2026. 20 years have data for under 90 percent of days and are left out of rankings: 1990, 1991, 1993, 1997, 2002, 2003, 2004, 2006 and others. 1990: 94 of 365 days1991: 232 of 365 days1992: 340 of 366 days1993: 229 of 365 days1994: 338 of 365 days1995: 360 of 365 days1996: 361 of 366 days1997: 225 of 365 days1998: 343 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 343 of 365 days2002: 263 of 365 days2003: 323 of 365 days2004: 230 of 366 days2005: 343 of 365 days2006: 325 of 365 days2007: 321 of 365 days2008: 269 of 366 days2009: 125 of 365 days2010: 243 of 365 days2011: 351 of 365 days2012: 360 of 366 days2013: 359 of 365 days2014: 307 of 365 days2015: 197 of 365 days2016: 230 of 366 days2017: 324 of 365 days2019: 322 of 365 days2020: 363 of 366 days2021: 364 of 365 days2022: 365 of 365 days2023: 348 of 365 days2024: 246 of 366 days2025: 198 of 365 days2026: 190 of 365 days19901995200020052010201520202025
36 years of record at Jatahmund Lake Alaska, 1990 to 2026. 20 years have data for under 90 percent of days and are left out of rankings: 1990, 1991, 1993, 1997, 2002, 2003, 2004, 2006 and others.
Days with data per year at Jatahmund Lake Alaska
YearDays with dataShare of yearComplete
19909426%No
199123264%No
199234093%Yes
199322963%No
199433893%Yes
199536099%Yes
199636199%Yes
199722562%No
199834394%Yes
1999365100%Yes
2000366100%Yes
200134394%Yes
200226372%No
200332388%No
200423063%No
200534394%Yes
200632589%No
200732188%No
200826973%No
200912534%No
201024367%No
201135196%Yes
201236098%Yes
201335998%Yes
201430784%No
201519754%No
201623063%No
201732489%No
201932288%No
202036399%Yes
2021364100%Yes
2022365100%Yes
202334895%Yes
202424667%No
202519854%No
202619052%No

Latest Records

20
Latest records at Jatahmund Lake Alaska
DateStationRecordValueBeat old record byOld record stoodSignificance
11 September 2026Jatahmund Lake Alaska, USdaily high max (Provisional)21.1 C (70.0 F)1.7 C (3.1 F)16 years10 of 100 (Routine)
3 September 2026Jatahmund Lake Alaska, USdaily low min (Provisional)-0.6 C (30.9 F)0.6 C (1.1 F)21 years10 of 100 (Routine)
20 August 2026Jatahmund Lake Alaska, USdaily high min (Tie, Provisional)10.6 C (51.1 F)tie21 years2 of 100 (Routine)
15 August 2026Jatahmund Lake Alaska, USdaily high min (Tie)12.2 C (54.0 F)tie36 years3 of 100 (Routine)
12 August 2026Jatahmund Lake Alaska, USdaily high min12.8 C (55.0 F)0.6 C (1.1 F)23 years11 of 100 (Routine)
26 July 2026Jatahmund Lake Alaska, USdaily low min4.4 C (39.9 F)1.2 C (2.2 F)12 years11 of 100 (Routine)
25 July 2026Jatahmund Lake Alaska, USdaily low min (Tie)5.6 C (42.1 F)tie31 years3 of 100 (Routine)
24 July 2026Jatahmund Lake Alaska, USdaily low max10.0 C (50.0 F)2.2 C (4.0 F)28 years15 of 100 (Routine)
9 July 2026Jatahmund Lake Alaska, USdaily low max12.8 C (55.0 F)1.1 C (2.0 F)12 years8 of 100 (Routine)
1 July 2026Jatahmund Lake Alaska, USdaily low min3.9 C (39.0 F)2.8 C (5.0 F)29 years23 of 100 (Routine)
30 June 2026Jatahmund Lake Alaska, USdaily low min4.4 C (39.9 F)1.7 C (3.1 F)16 years14 of 100 (Routine)
30 June 2026Jatahmund Lake Alaska, USdaily low max11.1 C (52.0 F)1.1 C (2.0 F)5 years6 of 100 (Routine)
4 June 2026Jatahmund Lake Alaska, USdaily high min13.3 C (55.9 F)1.6 C (2.9 F)19 years13 of 100 (Routine)
3 June 2026Jatahmund Lake Alaska, USdaily high min (Tie)11.1 C (52.0 F)tie16 years2 of 100 (Routine)
24 May 2026Jatahmund Lake Alaska, USdaily low min (Tie)0.6 C (33.1 F)tie25 years2 of 100 (Routine)
8 April 2026Jatahmund Lake Alaska, USdaily high max12.8 C (55.0 F)1.1 C (2.0 F)19 years9 of 100 (Routine)
11 September 2025Jatahmund Lake Alaska, USdaily high min7.8 C (46.0 F)0.6 C (1.1 F)28 years12 of 100 (Routine)
10 September 2025Jatahmund Lake Alaska, USdaily high max (Tie)19.4 C (66.9 F)tie6 years1 of 100 (Routine)
7 September 2025Jatahmund Lake Alaska, USdaily high min9.4 C (48.9 F)2.7 C (4.9 F)16 years15 of 100 (Routine)
5 September 2025Jatahmund Lake Alaska, USdaily high min8.9 C (48.0 F)0.6 C (1.1 F)8 years6 of 100 (Routine)

Climate Trend

10 complete years, 1995 to 2022
Annual mean temperature at Jatahmund Lake Alaska as warming stripes, 1995 to 2022 One stripe for each of 10 complete years at Jatahmund Lake Alaska, 1995 to 2022. Blue stripes are years cooler than the station's own mean of -2.4 C (27.6 F); red stripes are warmer. The coolest year was 2012, at -4.1 C (24.6 F), and the warmest was 2005, at -0.4 C (31.2 F). The strongest colour marks a difference of 2.1 C (3.8 F). 1995: -1.5 C, +1.0 C from the station mean1996: -3.8 C, -1.4 C from the station mean1999: -2.9 C, -0.4 C from the station mean2000: -1.5 C, +0.9 C from the station mean2005: -0.4 C, +2.0 C from the station mean2012: -4.1 C, -1.7 C from the station mean2013: -1.9 C, +0.5 C from the station mean2020: -2.9 C, -0.5 C from the station mean2021: -3.0 C, -0.5 C from the station mean2022: -2.4 C, 0.0 C from the station mean199520002005201020152020
One stripe for each of 10 complete years at Jatahmund Lake Alaska, 1995 to 2022. Blue stripes are years cooler than the station's own mean of -2.4 C (27.6 F); red stripes are warmer. The coolest year was 2012, at -4.1 C (24.6 F), and the warmest was 2005, at -0.4 C (31.2 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Jatahmund Lake Alaska as warming stripes, 1995 to 2022
YearAnnual mean temperatureDifference from the station mean
1995-1.5 C+0.97 C
1996-3.8 C-1.39 C
1999-2.9 C-0.41 C
2000-1.5 C+0.93 C
2005-0.4 C+2.03 C
2012-4.1 C-1.66 C
2013-1.9 C+0.53 C
2020-2.9 C-0.50 C
2021-3.0 C-0.54 C
2022-2.4 C+0.05 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

1990 to 2026
Yearly extremes at Jatahmund Lake Alaska: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)35.0 C (95.0 F)200431.1 C (88.0 F)36
Coldest night (TNn)-50.9 C (-59.6 F)2002-35.5 C (-32.0 F)36

Hottest day (TXx)

Hottest day (TXx) at Jatahmund Lake Alaska by year The hottest day of the year at Jatahmund Lake Alaska, 1990 to 2026. The record is 35.0 C (95.0 F) in 2004, marked on the chart; the median year is 31.1 C (88.0 F). 2527.53032.5351990200020102020Record: 35.0 C (95.0 F) in 2004
The hottest day of the year at Jatahmund Lake Alaska, 1990 to 2026. The record is 35.0 C (95.0 F) in 2004, marked on the chart; the median year is 31.1 C (88.0 F).
Hottest day (TXx) at Jatahmund Lake Alaska by year
YearHottest day (TXx)
199032.2 C (90.0 F)
199133.3 C (91.9 F)
199231.7 C (89.1 F)
199331.7 C (89.1 F)
199432.8 C (91.0 F)
199530.0 C (86.0 F)
199628.9 C (84.0 F)
199731.1 C (88.0 F)
199832.8 C (91.0 F)
199931.1 C (88.0 F)
200029.4 C (84.9 F)
200131.1 C (88.0 F)
200230.2 C (86.4 F)
200330.6 C (87.1 F)
200435.0 C (95.0 F)
200532.2 C (90.0 F)
200629.4 C (84.9 F)
200728.9 C (84.0 F)
200828.9 C (84.0 F)
200933.3 C (91.9 F)
201031.7 C (89.1 F)
201129.4 C (84.9 F)
201228.3 C (82.9 F)
201333.9 C (93.0 F)
201426.7 C (80.1 F)
201531.1 C (88.0 F)
201631.1 C (88.0 F)
201733.9 C (93.0 F)
201932.8 C (91.0 F)
202028.3 C (82.9 F)
202129.6 C (85.3 F)
202228.1 C (82.6 F)
202331.1 C (88.0 F)
202430.6 C (87.1 F)
202528.3 C (82.9 F)
202626.7 C (80.1 F)

Coldest night (TNn)

Coldest night (TNn) at Jatahmund Lake Alaska by year The coldest night of the year at Jatahmund Lake Alaska, 1990 to 2026. The record is -50.9 C (-59.6 F) in 2002, marked on the chart; the median year is -35.5 C (-32.0 F). -60-40-2001990200020102020Record: -50.9 C (-59.6 F) in 2002
The coldest night of the year at Jatahmund Lake Alaska, 1990 to 2026. The record is -50.9 C (-59.6 F) in 2002, marked on the chart; the median year is -35.5 C (-32.0 F).
Coldest night (TNn) at Jatahmund Lake Alaska by year
YearColdest night (TNn)
1990-7.2 C (19.0 F)
1991-30.6 C (-23.1 F)
1992-32.8 C (-27.0 F)
1993-31.7 C (-25.1 F)
1994-38.9 C (-38.0 F)
1995-38.3 C (-36.9 F)
1996-42.8 C (-45.0 F)
1997-30.0 C (-22.0 F)
1998-41.1 C (-42.0 F)
1999-39.4 C (-38.9 F)
2000-40.6 C (-41.1 F)
2001-36.8 C (-34.2 F)
2002-50.9 C (-59.6 F)
2003-33.3 C (-27.9 F)
2004-30.6 C (-23.1 F)
2005-41.7 C (-43.1 F)
2006-38.3 C (-36.9 F)
2007-31.7 C (-25.1 F)
2008-22.8 C (-9.0 F)
2009-27.8 C (-18.0 F)
2010-36.7 C (-34.1 F)
2011-38.9 C (-38.0 F)
2012-40.0 C (-40.0 F)
2013-36.7 C (-34.1 F)
2014-34.4 C (-29.9 F)
2015-29.4 C (-20.9 F)
2016-35.0 C (-31.0 F)
2017-31.1 C (-24.0 F)
2019-38.9 C (-38.0 F)
2020-39.8 C (-39.6 F)
2021-36.1 C (-33.0 F)
2022-41.4 C (-42.5 F)
2023-28.5 C (-19.3 F)
2024-30.6 C (-23.1 F)
2025-11.7 C (10.9 F)
2026-8.9 C (16.0 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 Jatahmund Lake Alaska standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Jatahmund Lake 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 (2026-10-14).