Built 2026-10-15 (15 October 2026)

Chatanika Alaska Weather Records (USR0000ACHA)

Record envelope, standing records and threshold days for Chatanika Alaska (USR0000ACHA), Alaska, United States, with 34 years of record.

Key Facts for Chatanika Alaska

  • Chatanika Alaska (USR0000ACHA) is a weather station in Alaska, United States at 65.02 latitude and -148.58 longitude, 442 m (1,450 ft) above sea level.
  • The station reports from 1990 to 2023, 34 years of record.
  • 1,464 records set at Chatanika Alaska still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Chatanika Alaska tied a daily record low minimum temperature of -7.8 C (18.0 F) on 3 October 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, 65.02 latitude, -148.58 longitude.
  • Elevation: 442 m (1,450 ft).
  • Period of record: 1990 to 2023, 34 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

19 days at or beyond a record
Daily record high and record low at Chatanika Alaska, with 2026 drawn through them The band shows the record high and record low for each calendar day at Chatanika Alaska. The lines show the 2026 daily maximum and minimum. 19 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 Chatanika Alaska. The lines show the 2026 daily maximum and minimum. 19 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Chatanika Alaska, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan6.7 C (44.1 F)-38.9 C (-38.0 F)n/an/a
Feb7.2 C (45.0 F)-42.2 C (-44.0 F)-5.6 C (21.9 F)-33.3 C (-27.9 F)
Mar12.8 C (55.0 F)-35.0 C (-31.0 F)-0.6 C (30.9 F)-31.1 C (-24.0 F)
Apr21.1 C (70.0 F)-25.0 C (-13.0 F)14.4 C (57.9 F)-15.6 C (3.9 F)
May33.3 C (91.9 F)-15.0 C (5.0 F)17.8 C (64.0 F)-1.1 C (30.0 F)
Jun31.7 C (89.1 F)-3.3 C (26.1 F)26.7 C (80.1 F)0.6 C (33.1 F)
Jul31.1 C (88.0 F)1.7 C (35.1 F)27.2 C (81.0 F)6.7 C (44.1 F)
Aug30.0 C (86.0 F)-1.1 C (30.0 F)26.1 C (79.0 F)0.6 C (33.1 F)
Sep22.8 C (73.0 F)-13.9 C (7.0 F)17.2 C (63.0 F)-3.3 C (26.1 F)
Oct19.4 C (66.9 F)-23.3 C (-9.9 F)6.7 C (44.1 F)-7.8 C (18.0 F)
Nov6.1 C (43.0 F)-31.1 C (-24.0 F)n/an/a
Dec5.0 C (41.0 F)-38.3 C (-36.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Chatanika Alaska by the year they were set 1,464 records at Chatanika Alaska still stand. 1992 holds the most, with 110. 0501001501990: 351991: 301992: 1101993: 161994: 571995: 871996: 581997: 131998: 181999: 762000: 542001: 492002: 852003: 672004: 412005: 722006: 332007: 632008: 522009: 422010: 222011: 262012: 92013: 452015: 342016: 332017: 272018: 242019: 452020: 182022: 242023: 232024: 352025: 172026: 24199019941998200220062010201520192024
1,464 records at Chatanika Alaska still stand. 1992 holds the most, with 110.
Standing records at Chatanika Alaska by the year they were set
Year setStanding records
199035
199130
1992110
199316
199457
199587
199658
199713
199818
199976
200054
200149
200285
200367
200441
200572
200633
200763
200852
200942
201022
201126
20129
201345
201534
201633
201727
201824
201945
202018
202224
202323
202435
202517
202624

Period of Record Coverage

1990 to 2026
Days with data per year at Chatanika Alaska 35 years of record at Chatanika Alaska, 1990 to 2026. 16 years have data for under 90 percent of days and are left out of rankings: 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998 and others. 1990: 174 of 365 days1991: 231 of 365 days1992: 310 of 366 days1993: 90 of 365 days1994: 188 of 365 days1995: 352 of 365 days1996: 288 of 366 days1997: 108 of 365 days1998: 232 of 365 days1999: 360 of 365 days2000: 364 of 366 days2001: 360 of 365 days2002: 361 of 365 days2003: 360 of 365 days2004: 222 of 366 days2005: 344 of 365 days2006: 365 of 365 days2007: 350 of 365 days2008: 349 of 366 days2009: 224 of 365 days2010: 363 of 365 days2011: 258 of 365 days2012: 233 of 366 days2013: 201 of 365 days2015: 364 of 365 days2016: 363 of 366 days2017: 353 of 365 days2018: 362 of 365 days2019: 364 of 365 days2020: 284 of 366 days2022: 363 of 365 days2023: 363 of 365 days2024: 341 of 366 days2025: 251 of 365 days2026: 244 of 365 days19901995200020052010201520202025
35 years of record at Chatanika Alaska, 1990 to 2026. 16 years have data for under 90 percent of days and are left out of rankings: 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998 and others.
Days with data per year at Chatanika Alaska
YearDays with dataShare of yearComplete
199017448%No
199123163%No
199231085%No
19939025%No
199418852%No
199535296%Yes
199628879%No
199710830%No
199823264%No
199936099%Yes
200036499%Yes
200136099%Yes
200236199%Yes
200336099%Yes
200422261%No
200534494%Yes
2006365100%Yes
200735096%Yes
200834995%Yes
200922461%No
201036399%Yes
201125871%No
201223364%No
201320155%No
2015364100%Yes
201636399%Yes
201735397%Yes
201836299%Yes
2019364100%Yes
202028478%No
202236399%Yes
202336399%Yes
202434193%Yes
202525169%No
202624467%No

Latest Records

20
Latest records at Chatanika Alaska
DateStationRecordValueBeat old record byOld record stoodSignificance
3 October 2026Chatanika Alaska, USdaily low min (Tie, Provisional)-7.8 C (18.0 F)tie36 years3 of 100 (Routine)
27 September 2026Chatanika Alaska, USdaily high max (Provisional)13.3 C (55.9 F)1.6 C (2.9 F)24 years12 of 100 (Routine)
27 September 2026Chatanika Alaska, USdaily high min (Tie, Provisional)5.0 C (41.0 F)tie24 years2 of 100 (Routine)
26 September 2026Chatanika Alaska, USdaily high max (Provisional)13.3 C (55.9 F)1.1 C (2.0 F)24 years12 of 100 (Routine)
7 September 2026Chatanika Alaska, USdaily high min (Tie, Provisional)11.1 C (52.0 F)tie7 years1 of 100 (Routine)
3 September 2026Chatanika Alaska, USdaily low max (Provisional)6.7 C (44.1 F)1.1 C (2.0 F)31 years14 of 100 (Routine)
3 September 2026Chatanika Alaska, USdaily low min (Provisional)1.1 C (34.0 F)0.6 C (1.1 F)31 years13 of 100 (Routine)
23 July 2026Chatanika Alaska, USdaily low max11.1 C (52.0 F)1.1 C (2.0 F)28 years13 of 100 (Routine)
11 July 2026Chatanika Alaska, USdaily high max27.2 C (81.0 F)1.1 C (2.0 F)32 years14 of 100 (Routine)
9 June 2026Chatanika Alaska, USdaily low min0.6 C (33.1 F)1.1 C (2.0 F)4 years7 of 100 (Routine)
8 June 2026Chatanika Alaska, USdaily low min2.8 C (37.0 F)1.1 C (2.0 F)0 years6 of 100 (Routine)
22 April 2026Chatanika Alaska, USdaily low min-15.6 C (3.9 F)0.6 C (1.1 F)3 years3 of 100 (Routine)
19 April 2026Chatanika Alaska, USdaily low max-5.0 C (23.0 F)1.1 C (2.0 F)20 years10 of 100 (Routine)
20 March 2026Chatanika Alaska, USdaily low min-26.7 C (-16.1 F)3.4 C (6.1 F)17 years12 of 100 (Routine)
20 March 2026Chatanika Alaska, USdaily low max-16.7 C (1.9 F)1.7 C (3.1 F)17 years10 of 100 (Routine)
19 March 2026Chatanika Alaska, USdaily low min-24.4 C (-11.9 F)0.5 C (0.9 F)17 years8 of 100 (Routine)
19 March 2026Chatanika Alaska, USdaily low max (Tie)-18.3 C (-0.9 F)tie17 years2 of 100 (Routine)
18 March 2026Chatanika Alaska, USdaily low max-18.9 C (-2.0 F)1.7 C (3.1 F)17 years10 of 100 (Routine)
18 March 2026Chatanika Alaska, USdaily low min-26.7 C (-16.1 F)0.6 C (1.1 F)17 years8 of 100 (Routine)
17 March 2026Chatanika Alaska, USdaily low min-28.9 C (-20.0 F)3.3 C (5.9 F)24 years14 of 100 (Routine)

Climate Trend

16 complete years, 1995 to 2023
Annual mean temperature at Chatanika Alaska as warming stripes, 1995 to 2023 One stripe for each of 16 complete years at Chatanika Alaska, 1995 to 2023. Blue stripes are years cooler than the station's own mean of -0.4 C (31.4 F); red stripes are warmer. The coolest year was 1999, at -3.1 C (26.3 F), and the warmest was 2019, at 1.2 C (34.1 F). The strongest colour marks a difference of 2.8 C (5.0 F). 1995: -1.0 C, -0.6 C from the station mean1999: -3.1 C, -2.8 C from the station mean2000: -0.7 C, -0.4 C from the station mean2001: -0.9 C, -0.5 C from the station mean2002: 0.7 C, +1.1 C from the station mean2003: -0.2 C, +0.1 C from the station mean2006: -1.3 C, -0.9 C from the station mean2007: 0.0 C, +0.4 C from the station mean2010: -0.1 C, +0.2 C from the station mean2015: 0.4 C, +0.8 C from the station mean2016: 0.9 C, +1.3 C from the station mean2017: 0.0 C, +0.3 C from the station mean2018: 0.3 C, +0.6 C from the station mean2019: 1.2 C, +1.5 C from the station mean2022: -0.9 C, -0.5 C from the station mean2023: -0.9 C, -0.5 C from the station mean199520002005201020152020
One stripe for each of 16 complete years at Chatanika Alaska, 1995 to 2023. Blue stripes are years cooler than the station's own mean of -0.4 C (31.4 F); red stripes are warmer. The coolest year was 1999, at -3.1 C (26.3 F), and the warmest was 2019, at 1.2 C (34.1 F). The strongest colour marks a difference of 2.8 C (5.0 F).
Annual mean temperature at Chatanika Alaska as warming stripes, 1995 to 2023
YearAnnual mean temperatureDifference from the station mean
1995-1.0 C-0.60 C
1999-3.1 C-2.78 C
2000-0.7 C-0.38 C
2001-0.9 C-0.55 C
20020.7 C+1.10 C
2003-0.2 C+0.14 C
2006-1.3 C-0.93 C
20070.0 C+0.36 C
2010-0.1 C+0.21 C
20150.4 C+0.75 C
20160.9 C+1.30 C
20170.0 C+0.33 C
20180.3 C+0.62 C
20191.2 C+1.51 C
2022-0.9 C-0.55 C
2023-0.9 C-0.54 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 Chatanika Alaska: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)33.3 C (91.9 F)199429.4 C (84.9 F)35
Coldest night (TNn)-42.2 C (-44.0 F)1999-32.2 C (-26.0 F)35

Hottest day (TXx)

Hottest day (TXx) at Chatanika Alaska by year The hottest day of the year at Chatanika Alaska, 1990 to 2026. The record is 33.3 C (91.9 F) in 1994, marked on the chart; the median year is 29.4 C (84.9 F). 26283032341990200020102020Record: 33.3 C (91.9 F) in 1994
The hottest day of the year at Chatanika Alaska, 1990 to 2026. The record is 33.3 C (91.9 F) in 1994, marked on the chart; the median year is 29.4 C (84.9 F).
Hottest day (TXx) at Chatanika Alaska by year
YearHottest day (TXx)
199030.0 C (86.0 F)
199131.7 C (89.1 F)
199228.9 C (84.0 F)
199326.7 C (80.1 F)
199433.3 C (91.9 F)
199528.3 C (82.9 F)
199627.2 C (81.0 F)
199727.8 C (82.0 F)
199830.6 C (87.1 F)
199931.1 C (88.0 F)
200026.7 C (80.1 F)
200126.7 C (80.1 F)
200229.4 C (84.9 F)
200329.4 C (84.9 F)
200430.0 C (86.0 F)
200528.3 C (82.9 F)
200627.2 C (81.0 F)
200728.9 C (84.0 F)
200826.7 C (80.1 F)
200930.6 C (87.1 F)
201030.0 C (86.0 F)
201131.1 C (88.0 F)
201228.3 C (82.9 F)
201331.1 C (88.0 F)
201531.1 C (88.0 F)
201630.0 C (86.0 F)
201728.3 C (82.9 F)
201830.0 C (86.0 F)
201929.4 C (84.9 F)
202026.1 C (79.0 F)
202228.9 C (84.0 F)
202330.0 C (86.0 F)
202429.4 C (84.9 F)
202529.4 C (84.9 F)
202627.2 C (81.0 F)

Coldest night (TNn)

Coldest night (TNn) at Chatanika Alaska by year The coldest night of the year at Chatanika Alaska, 1990 to 2026. The record is -42.2 C (-44.0 F) in 1999, marked on the chart; the median year is -32.2 C (-26.0 F). -60-40-2001990200020102020Record: -42.2 C (-44.0 F) in 1999
The coldest night of the year at Chatanika Alaska, 1990 to 2026. The record is -42.2 C (-44.0 F) in 1999, marked on the chart; the median year is -32.2 C (-26.0 F).
Coldest night (TNn) at Chatanika Alaska by year
YearColdest night (TNn)
1990-27.8 C (-18.0 F)
1991-31.1 C (-24.0 F)
1992-31.1 C (-24.0 F)
1993-7.8 C (18.0 F)
1994-31.1 C (-24.0 F)
1995-36.1 C (-33.0 F)
1996-31.1 C (-24.0 F)
19970.0 C (32.0 F)
1998-33.3 C (-27.9 F)
1999-42.2 C (-44.0 F)
2000-38.3 C (-36.9 F)
2001-31.1 C (-24.0 F)
2002-27.8 C (-18.0 F)
2003-33.3 C (-27.9 F)
2004-34.4 C (-29.9 F)
2005-33.9 C (-29.0 F)
2006-37.8 C (-36.0 F)
2007-32.8 C (-27.0 F)
2008-32.2 C (-26.0 F)
2009-30.0 C (-22.0 F)
2010-31.1 C (-24.0 F)
2011-33.3 C (-27.9 F)
2012-35.0 C (-31.0 F)
2013-33.3 C (-27.9 F)
2015-31.1 C (-24.0 F)
2016-27.2 C (-17.0 F)
2017-35.0 C (-31.0 F)
2018-36.1 C (-33.0 F)
2019-33.3 C (-27.9 F)
2020-32.2 C (-26.0 F)
2022-31.1 C (-24.0 F)
2023-30.6 C (-23.1 F)
2024-37.8 C (-36.0 F)
2025-23.9 C (-11.0 F)
2026-33.3 C (-27.9 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 Chatanika Alaska standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Chatanika 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).