Built 2026-10-16 (16 October 2026)

Thorne Bay Alaska Weather Records (USR0000ATHO)

Record envelope, standing records and threshold days for Thorne Bay Alaska (USR0000ATHO), Alaska, United States, with 35 years of record.

Key Facts for Thorne Bay Alaska

  • Thorne Bay Alaska (USR0000ATHO) is a weather station in Alaska, United States at 55.75 latitude and -132.98 longitude, 549 m (1,800 ft) above sea level.
  • The station reports from 1989 to 2023, 35 years of record.
  • 1,464 records set at Thorne Bay 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, 55.75 latitude, -132.98 longitude.
  • Elevation: 549 m (1,800 ft).
  • Period of record: 1989 to 2023, 35 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

28 days at or beyond a record
Daily record high and record low at Thorne Bay Alaska, with 2026 drawn through them The band shows the record high and record low for each calendar day at Thorne Bay Alaska. The lines show the 2026 daily maximum and minimum. 28 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Thorne Bay Alaska. The lines show the 2026 daily maximum and minimum. 28 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Thorne Bay Alaska, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan15.0 C (59.0 F)-13.9 C (7.0 F)8.9 C (48.0 F)-8.3 C (17.1 F)
Feb16.1 C (61.0 F)-12.8 C (9.0 F)7.8 C (46.0 F)-10.6 C (12.9 F)
Mar24.4 C (75.9 F)-12.2 C (10.0 F)17.2 C (63.0 F)-3.3 C (26.1 F)
Apr23.9 C (75.0 F)-4.4 C (24.1 F)15.6 C (60.1 F)0.6 C (33.1 F)
May30.6 C (87.1 F)-2.2 C (28.0 F)18.3 C (64.9 F)2.2 C (36.0 F)
Jun38.3 C (100.9 F)0.6 C (33.1 F)26.7 C (80.1 F)4.4 C (39.9 F)
Jul36.1 C (97.0 F)5.6 C (42.1 F)27.8 C (82.0 F)8.3 C (46.9 F)
Aug35.6 C (96.1 F)3.9 C (39.0 F)27.8 C (82.0 F)10.0 C (50.0 F)
Sep30.0 C (86.0 F)-1.1 C (30.0 F)26.1 C (79.0 F)6.7 C (44.1 F)
Oct24.4 C (75.9 F)-7.8 C (18.0 F)15.0 C (59.0 F)1.1 C (34.0 F)
Nov13.3 C (55.9 F)-11.7 C (10.9 F)11.1 C (52.0 F)-1.1 C (30.0 F)
Dec10.6 C (51.1 F)-13.9 C (7.0 F)9.4 C (48.9 F)-13.3 C (8.1 F)

Which Years Hold Standing Records

1,464 standing records
Standing records at Thorne Bay Alaska by the year they were set 1,464 records at Thorne Bay Alaska still stand. 2009 holds the most, with 102. 0501001501989: 171990: 241991: 601992: 581993: 171994: 351995: 271996: 191997: 131998: 121999: 92000: 92001: 122002: 212003: 182004: 292005: 82006: 232007: 52008: 522009: 1022010: 932011: 682012: 422013: 842014: 412016: 512018: 622019: 782020: 662021: 782022: 692023: 582024: 602025: 44198919931997200120052009201320192023
1,464 records at Thorne Bay Alaska still stand. 2009 holds the most, with 102.
Standing records at Thorne Bay Alaska by the year they were set
Year setStanding records
198917
199024
199160
199258
199317
199435
199527
199619
199713
199812
19999
20009
200112
200221
200318
200429
20058
200623
20075
200852
2009102
201093
201168
201242
201384
201441
201651
201862
201978
202066
202178
202269
202358
202460
202544

Period of Record Coverage

1989 to 2025
Days with data per year at Thorne Bay Alaska 35 years of record at Thorne Bay Alaska, 1989 to 2025. 24 years have data for under 90 percent of days and are left out of rankings: 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 and others. 1989: 30 of 365 days1990: 96 of 365 days1991: 116 of 365 days1992: 123 of 366 days1993: 120 of 365 days1994: 108 of 365 days1995: 160 of 365 days1996: 156 of 366 days1997: 145 of 365 days1998: 146 of 365 days1999: 86 of 365 days2000: 138 of 366 days2001: 126 of 365 days2002: 164 of 365 days2003: 157 of 365 days2004: 143 of 366 days2005: 116 of 365 days2006: 144 of 365 days2007: 128 of 365 days2008: 227 of 366 days2009: 365 of 365 days2010: 364 of 365 days2011: 211 of 365 days2012: 214 of 366 days2013: 365 of 365 days2014: 218 of 365 days2016: 221 of 366 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 365 of 366 days2025: 365 of 365 days1990199520002005201020202025
35 years of record at Thorne Bay Alaska, 1989 to 2025. 24 years have data for under 90 percent of days and are left out of rankings: 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 and others.
Days with data per year at Thorne Bay Alaska
YearDays with dataShare of yearComplete
1989308%No
19909626%No
199111632%No
199212334%No
199312033%No
199410830%No
199516044%No
199615643%No
199714540%No
199814640%No
19998624%No
200013838%No
200112635%No
200216445%No
200315743%No
200414339%No
200511632%No
200614439%No
200712835%No
200822762%No
2009365100%Yes
2010364100%Yes
201121158%No
201221458%No
2013365100%Yes
201421860%No
201622160%No
2018365100%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
2024365100%Yes
2025365100%Yes

Latest Records

0

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

Climate Trend

11 complete years, 2009 to 2025
Annual mean temperature at Thorne Bay Alaska as warming stripes, 2009 to 2025 One stripe for each of 11 complete years at Thorne Bay Alaska, 2009 to 2025. Blue stripes are years cooler than the station's own mean of 7.8 C (46.0 F); red stripes are warmer. The coolest year was 2021, at 6.7 C (44.1 F), and the warmest was 2013, at 8.4 C (47.1 F). The strongest colour marks a difference of 1.1 C (2.0 F). 2009: 7.4 C, -0.4 C from the station mean2010: 8.2 C, +0.5 C from the station mean2013: 8.4 C, +0.6 C from the station mean2018: 7.9 C, +0.1 C from the station mean2019: 8.2 C, +0.5 C from the station mean2020: 7.3 C, -0.5 C from the station mean2021: 6.7 C, -1.0 C from the station mean2022: 7.8 C, 0.0 C from the station mean2023: 8.2 C, +0.4 C from the station mean2024: 7.8 C, 0.0 C from the station mean2025: 7.6 C, -0.2 C from the station mean20092012201420162018202020222024
One stripe for each of 11 complete years at Thorne Bay Alaska, 2009 to 2025. Blue stripes are years cooler than the station's own mean of 7.8 C (46.0 F); red stripes are warmer. The coolest year was 2021, at 6.7 C (44.1 F), and the warmest was 2013, at 8.4 C (47.1 F). The strongest colour marks a difference of 1.1 C (2.0 F).
Annual mean temperature at Thorne Bay Alaska as warming stripes, 2009 to 2025
YearAnnual mean temperatureDifference from the station mean
20097.4 C-0.36 C
20108.2 C+0.46 C
20138.4 C+0.64 C
20187.9 C+0.12 C
20198.2 C+0.47 C
20207.3 C-0.49 C
20216.7 C-1.03 C
20227.8 C-0.01 C
20238.2 C+0.43 C
20247.8 C-0.02 C
20257.6 C-0.21 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

1989 to 2026
Yearly extremes at Thorne Bay Alaska: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.3 C (100.9 F)200431.1 C (88.0 F)36
Coldest night (TNn)-13.9 C (7.0 F)2009-4.2 C (24.4 F)36

Hottest day (TXx)

Hottest day (TXx) at Thorne Bay Alaska by year The hottest day of the year at Thorne Bay Alaska, 1989 to 2026. The record is 38.3 C (100.9 F) in 2004, marked on the chart; the median year is 31.1 C (88.0 F). 102030401990200020102020Record: 38.3 C (100.9 F) in 2004
The hottest day of the year at Thorne Bay Alaska, 1989 to 2026. The record is 38.3 C (100.9 F) in 2004, marked on the chart; the median year is 31.1 C (88.0 F).
Hottest day (TXx) at Thorne Bay Alaska by year
YearHottest day (TXx)
198913.3 C (55.9 F)
199031.1 C (88.0 F)
199129.4 C (84.9 F)
199228.9 C (84.0 F)
199325.0 C (77.0 F)
199427.8 C (82.0 F)
199526.7 C (80.1 F)
199629.4 C (84.9 F)
199729.4 C (84.9 F)
199829.4 C (84.9 F)
199931.7 C (89.1 F)
200025.6 C (78.1 F)
200131.1 C (88.0 F)
200234.4 C (93.9 F)
200331.1 C (88.0 F)
200438.3 C (100.9 F)
200535.0 C (95.0 F)
200631.1 C (88.0 F)
200735.6 C (96.1 F)
200831.7 C (89.1 F)
200933.3 C (91.9 F)
201035.0 C (95.0 F)
201130.0 C (86.0 F)
201233.3 C (91.9 F)
201335.6 C (96.1 F)
201432.8 C (91.0 F)
201628.3 C (82.9 F)
201831.7 C (89.1 F)
201930.0 C (86.0 F)
202032.2 C (90.0 F)
202132.2 C (90.0 F)
202230.6 C (87.1 F)
202331.1 C (88.0 F)
202432.2 C (90.0 F)
202527.8 C (82.0 F)
202631.1 C (88.0 F)

Coldest night (TNn)

Coldest night (TNn) at Thorne Bay Alaska by year The coldest night of the year at Thorne Bay Alaska, 1989 to 2026. The record is -13.9 C (7.0 F) in 2009, marked on the chart; the median year is -4.2 C (24.4 F). -15-10-5051990200020102020Record: -13.9 C (7.0 F) in 2009
The coldest night of the year at Thorne Bay Alaska, 1989 to 2026. The record is -13.9 C (7.0 F) in 2009, marked on the chart; the median year is -4.2 C (24.4 F).
Coldest night (TNn) at Thorne Bay Alaska by year
YearColdest night (TNn)
1989-0.6 C (30.9 F)
19903.9 C (39.0 F)
19910.6 C (33.1 F)
1992-1.1 C (30.0 F)
19934.4 C (39.9 F)
19941.1 C (34.0 F)
1995-5.6 C (21.9 F)
1996-1.7 C (28.9 F)
1997-2.8 C (27.0 F)
19980.0 C (32.0 F)
19992.8 C (37.0 F)
20000.0 C (32.0 F)
20012.8 C (37.0 F)
2002-2.2 C (28.0 F)
20030.6 C (33.1 F)
20043.3 C (37.9 F)
20054.4 C (39.9 F)
2006-1.1 C (30.0 F)
20073.3 C (37.9 F)
2008-12.8 C (9.0 F)
2009-13.9 C (7.0 F)
2010-10.6 C (12.9 F)
2011-12.8 C (9.0 F)
2012-7.8 C (18.0 F)
2013-11.7 C (10.9 F)
2014-12.2 C (10.0 F)
2016-5.6 C (21.9 F)
2018-7.8 C (18.0 F)
2019-11.7 C (10.9 F)
2020-12.2 C (10.0 F)
2021-13.9 C (7.0 F)
2022-13.9 C (7.0 F)
2023-8.9 C (16.0 F)
2024-12.2 C (10.0 F)
2025-13.3 C (8.1 F)
2026-8.3 C (17.1 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 Thorne Bay Alaska standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Thorne Bay 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).