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Built 2026-10-18 (18 October 2026)

Atigun Pass Weather Records (USS0049T03S)

Record envelope, standing records and threshold days for Atigun Pass (USS0049T03S), Alaska, United States, with 45 years of record.

Key Facts for Atigun Pass

  • Atigun Pass (USS0049T03S) is a weather station in Alaska, United States at 68.13 latitude and -149.48 longitude, 1,463 m (4,800 ft) above sea level.
  • The station reports from 1982 to 2026, 45 years of record.
  • 1,464 records set at Atigun Pass still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Atigun Pass tied a daily record precipitation of 15.2 mm (0.6 in) 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, 68.13 latitude, -149.48 longitude.
  • Elevation: 1,463 m (4,800 ft).
  • Period of record: 1982 to 2026, 45 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

39 days at or beyond a record
Daily record high and record low at Atigun Pass, with 2026 drawn through them The band shows the record high and record low for each calendar day at Atigun Pass. The lines show the 2026 daily maximum and minimum. 39 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 Atigun Pass. The lines show the 2026 daily maximum and minimum. 39 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Atigun Pass, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan5.4 C (41.7 F)-42.2 C (-44.0 F)-1.7 C (28.9 F)-40.6 C (-41.1 F)
Feb0.8 C (33.4 F)-41.2 C (-42.2 F)-8.3 C (17.1 F)-36.7 C (-34.1 F)
Mar1.0 C (33.8 F)-42.6 C (-44.7 F)-10.6 C (12.9 F)-36.7 C (-34.1 F)
Apr8.3 C (46.9 F)-41.1 C (-42.0 F)0.6 C (33.1 F)-28.3 C (-18.9 F)
May17.1 C (62.8 F)-26.8 C (-16.2 F)7.2 C (45.0 F)-17.8 C (0.0 F)
Jun20.1 C (68.2 F)-11.7 C (10.9 F)15.6 C (60.1 F)-11.7 C (10.9 F)
Jul21.7 C (71.1 F)-6.7 C (19.9 F)17.2 C (63.0 F)-6.7 C (19.9 F)
Aug18.3 C (64.9 F)-11.3 C (11.7 F)14.4 C (57.9 F)-6.7 C (19.9 F)
Sep11.1 C (52.0 F)-18.3 C (-0.9 F)5.0 C (41.0 F)-12.8 C (9.0 F)
Oct6.4 C (43.5 F)-25.8 C (-14.4 F)-4.4 C (24.1 F)-18.9 C (-2.0 F)
Nov4.8 C (40.6 F)-38.8 C (-37.8 F)n/an/a
Dec5.4 C (41.7 F)-40.0 C (-40.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Atigun Pass by the year they were set 1,464 records at Atigun Pass still stand. 2013 holds the most, with 105. 0501001502006: 62007: 872008: 742009: 852010: 922011: 452012: 632013: 1052014: 932015: 752016: 762017: 842018: 632019: 702020: 692021: 962022: 332023: 792024: 582025: 522026: 592006200920122015201820212024
1,464 records at Atigun Pass still stand. 2013 holds the most, with 105.
Standing records at Atigun Pass by the year they were set
Year setStanding records
20066
200787
200874
200985
201092
201145
201263
2013105
201493
201575
201676
201784
201863
201970
202069
202196
202233
202379
202458
202552
202659

Wettest Day of Each Month

Aug: 61.0 mm (2.4 in)
Record daily precipitation for each month at Atigun Pass The wettest day on record for each calendar month at Atigun Pass. The most was 61.0 mm (2.4 in) on 8 August 1984. 020406080 Jan: 45.7 mm (1.8 in), 27 January 2014 Jan Feb: 20.3 mm (0.8 in), 12 February 1986 Feb Mar: 17.8 mm (0.7 in), 11 March 1987 Mar Apr: 35.6 mm (1.4 in), 14 April 1992 Apr May: 35.6 mm (1.4 in), 1 May 1987 May Jun: 33.0 mm (1.3 in), 18 June 1999 Jun Jul: 40.6 mm (1.6 in), 17 July 1999 Jul Aug: 61.0 mm (2.4 in), 8 August 1984 Aug Sep: 61.0 mm (2.4 in), 5 September 2025 Sep Oct: 17.8 mm (0.7 in), 9 October 1992 Oct Nov: 17.8 mm (0.7 in), 5 November 2020 Nov Dec: 15.2 mm (0.6 in), 22 December 1999 Dec
The wettest day on record for each calendar month at Atigun Pass. The most was 61.0 mm (2.4 in) on 8 August 1984.
Record daily precipitation for each month at Atigun Pass
MonthRecord daily precipitation (mm)Date
Jan45.7 mm (1.8 in)27 January 2014
Feb20.3 mm (0.8 in)12 February 1986
Mar17.8 mm (0.7 in)11 March 1987
Apr35.6 mm (1.4 in)14 April 1992
May35.6 mm (1.4 in)1 May 1987
Jun33.0 mm (1.3 in)18 June 1999
Jul40.6 mm (1.6 in)17 July 1999
Aug61.0 mm (2.4 in)8 August 1984
Sep61.0 mm (2.4 in)5 September 2025
Oct17.8 mm (0.7 in)9 October 1992
Nov17.8 mm (0.7 in)5 November 2020
Dec15.2 mm (0.6 in)22 December 1999

Period of Record Coverage

2006 to 2026
Days with data per year at Atigun Pass 21 years of record at Atigun Pass, 2006 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 2006, 2026. 2006: 82 of 365 days2007: 356 of 365 days2008: 337 of 366 days2009: 362 of 365 days2010: 364 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 363 of 365 days2015: 362 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 365 of 365 days2019: 364 of 365 days2020: 366 of 366 days2021: 364 of 365 days2022: 364 of 365 days2023: 364 of 365 days2024: 365 of 366 days2025: 363 of 365 days2026: 284 of 365 days2010201520202025
21 years of record at Atigun Pass, 2006 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 2006, 2026.
Days with data per year at Atigun Pass
YearDays with dataShare of yearComplete
20068222%No
200735698%Yes
200833792%Yes
200936299%Yes
2010364100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
201436399%Yes
201536299%Yes
2016366100%Yes
2017365100%Yes
2018365100%Yes
2019364100%Yes
2020366100%Yes
2021364100%Yes
2022364100%Yes
2023364100%Yes
2024365100%Yes
202536399%Yes
202628478%No

Latest Records

20
Latest records at Atigun Pass
DateStationRecordValueBeat old record byOld record stoodSignificance
11 September 2026Atigun Pass, USdaily rain (Tie, Provisional)15.2 mm (0.6 in)tie32 years3 of 100 (Routine)
12 August 2026Atigun Pass, USdaily rain40.6 mm (1.6 in)15.2 mm (0.6 in)37 years37 of 100 (Notable)
5 August 2026Atigun Pass, USdaily rain43.2 mm (1.7 in)20.3 mm (0.8 in)39 years44 of 100 (Notable)
31 July 2026Atigun Pass, USdaily rain38.1 mm (1.5 in)10.2 mm (0.4 in)20 years26 of 100 (Routine)
30 July 2026Atigun Pass, USdaily rain30.5 mm (1.2 in)12.7 mm (0.5 in)40 years37 of 100 (Notable)
21 July 2026Atigun Pass, USdaily rain (Tie)25.4 mm (1.0 in)tie32 years3 of 100 (Routine)
29 June 2026Atigun Pass, USdaily rain20.3 mm (0.8 in)5.1 mm (0.20 in)43 years20 of 100 (Routine)
28 June 2026Atigun Pass, USdaily rain22.9 mm (0.9 in)7.7 mm (0.30 in)40 years20 of 100 (Routine)
15 June 2026Atigun Pass, USdaily rain17.8 mm (0.7 in)5.1 mm (0.20 in)17 years20 of 100 (Routine)
5 May 2026Atigun Pass, USdaily rain (Tie)7.6 mm (0.30 in)tie8 years1 of 100 (Routine)
4 May 2026Atigun Pass, USdaily rain5.1 mm (0.20 in)2.6 mm (0.10 in)40 years20 of 100 (Routine)
3 May 2026Atigun Pass, USdaily rain (Tie)2.5 mm (0.10 in)tie41 years4 of 100 (Routine)
28 April 2026Atigun Pass, USdaily rain (Tie)7.6 mm (0.30 in)tie24 years2 of 100 (Routine)
10 April 2026Atigun Pass, USdaily rain (Tie)5.1 mm (0.20 in)tie41 years4 of 100 (Routine)
12 March 2026Atigun Pass, USdaily rain10.2 mm (0.4 in)5.1 mm (0.20 in)20 years20 of 100 (Routine)
2 March 2026Atigun Pass, USdaily rain5.1 mm (0.20 in)2.6 mm (0.10 in)40 years20 of 100 (Routine)
15 February 2026Atigun Pass, USdaily rain (Tie)2.5 mm (0.10 in)tie42 years4 of 100 (Routine)
15 December 2025Atigun Pass, USdaily rain10.2 mm (0.4 in)7.7 mm (0.30 in)36 years20 of 100 (Routine)
14 December 2025Atigun Pass, USdaily rain (Tie)10.2 mm (0.4 in)tie20 years2 of 100 (Routine)
4 November 2025Atigun Pass, USdaily rain (Tie)2.5 mm (0.10 in)tie43 years4 of 100 (Routine)

Climate Trend

18 complete years, 2007 to 2025
Annual mean temperature at Atigun Pass as warming stripes, 2007 to 2025 One stripe for each of 18 complete years at Atigun Pass, 2007 to 2025. Blue stripes are years cooler than the station's own mean of -8.6 C (16.6 F); red stripes are warmer. The coolest year was 2021, at -10.4 C (13.3 F), and the warmest was 2016, at -7.1 C (19.3 F). The strongest colour marks a difference of 1.9 C (3.4 F). 2007: -8.1 C, +0.5 C from the station mean2009: -9.5 C, -1.0 C from the station mean2010: -7.8 C, +0.7 C from the station mean2011: -8.9 C, -0.3 C from the station mean2012: -10.1 C, -1.5 C from the station mean2013: -9.7 C, -1.1 C from the station mean2014: -7.8 C, +0.8 C from the station mean2015: -8.0 C, +0.6 C from the station mean2016: -7.1 C, +1.5 C from the station mean2017: -7.7 C, +0.9 C from the station mean2018: -7.6 C, +0.9 C from the station mean2019: -7.4 C, +1.2 C from the station mean2020: -9.4 C, -0.8 C from the station mean2021: -10.4 C, -1.8 C from the station mean2022: -8.9 C, -0.4 C from the station mean2023: -8.5 C, 0.0 C from the station mean2024: -9.0 C, -0.4 C from the station mean2025: -8.2 C, +0.3 C from the station mean200720102012201420162018202020222024
One stripe for each of 18 complete years at Atigun Pass, 2007 to 2025. Blue stripes are years cooler than the station's own mean of -8.6 C (16.6 F); red stripes are warmer. The coolest year was 2021, at -10.4 C (13.3 F), and the warmest was 2016, at -7.1 C (19.3 F). The strongest colour marks a difference of 1.9 C (3.4 F).
Annual mean temperature at Atigun Pass as warming stripes, 2007 to 2025
YearAnnual mean temperatureDifference from the station mean
2007-8.1 C+0.48 C
2009-9.5 C-0.97 C
2010-7.8 C+0.73 C
2011-8.9 C-0.32 C
2012-10.1 C-1.53 C
2013-9.7 C-1.11 C
2014-7.8 C+0.77 C
2015-8.0 C+0.59 C
2016-7.1 C+1.49 C
2017-7.7 C+0.87 C
2018-7.6 C+0.94 C
2019-7.4 C+1.19 C
2020-9.4 C-0.81 C
2021-10.4 C-1.81 C
2022-8.9 C-0.39 C
2023-8.5 C+0.05 C
2024-9.0 C-0.44 C
2025-8.2 C+0.31 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

1982 to 2026
Yearly extremes at Atigun Pass: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)21.7 C (71.1 F)202518.3 C (64.9 F)21
Coldest night (TNn)-42.6 C (-44.7 F)2009-38.8 C (-37.8 F)21
Wettest day (Rx1day)61.0 mm (2.4 in)198425.4 mm (1.0 in)45
Wettest five days (Rx5day)124.4 mm (4.9 in)199455.9 mm (2.2 in)45
Longest dry spell (CDD)49 days198225 days45

Hottest day (TXx)

Hottest day (TXx) at Atigun Pass by year The hottest day of the year at Atigun Pass, 1982 to 2026. The record is 21.7 C (71.1 F) in 2025, marked on the chart; the median year is 18.3 C (64.9 F). -1001020301990200020102020Record: 21.7 C (71.1 F) in 2025
The hottest day of the year at Atigun Pass, 1982 to 2026. The record is 21.7 C (71.1 F) in 2025, marked on the chart; the median year is 18.3 C (64.9 F).
Hottest day (TXx) at Atigun Pass by year
YearHottest day (TXx)
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006-0.7 C (30.7 F)
200719.4 C (66.9 F)
200817.4 C (63.3 F)
200918.9 C (66.0 F)
201018.9 C (66.0 F)
201116.9 C (62.4 F)
201217.5 C (63.5 F)
201320.1 C (68.2 F)
201417.9 C (64.2 F)
201520.4 C (68.7 F)
201621.2 C (70.2 F)
201718.0 C (64.4 F)
201817.7 C (63.9 F)
201919.9 C (67.8 F)
202016.1 C (61.0 F)
202118.3 C (64.9 F)
202218.3 C (64.9 F)
202319.4 C (66.9 F)
202420.0 C (68.0 F)
202521.7 C (71.1 F)
202617.2 C (63.0 F)

Coldest night (TNn)

Coldest night (TNn) at Atigun Pass by year The coldest night of the year at Atigun Pass, 1982 to 2026. The record is -42.6 C (-44.7 F) in 2009, marked on the chart; the median year is -38.8 C (-37.8 F). -45-42.5-40-37.5-35-32.51990200020102020Record: -42.6 C (-44.7 F) in 2009
The coldest night of the year at Atigun Pass, 1982 to 2026. The record is -42.6 C (-44.7 F) in 2009, marked on the chart; the median year is -38.8 C (-37.8 F).
Coldest night (TNn) at Atigun Pass by year
YearColdest night (TNn)
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006-33.4 C (-28.1 F)
2007-42.2 C (-44.0 F)
2008-40.1 C (-40.2 F)
2009-42.6 C (-44.7 F)
2010-38.8 C (-37.8 F)
2011-38.8 C (-37.8 F)
2012-42.2 C (-44.0 F)
2013-38.7 C (-37.7 F)
2014-36.3 C (-33.3 F)
2015-37.3 C (-35.1 F)
2016-34.8 C (-30.6 F)
2017-39.5 C (-39.1 F)
2018-34.5 C (-30.1 F)
2019-40.0 C (-40.0 F)
2020-42.2 C (-44.0 F)
2021-41.1 C (-42.0 F)
2022-40.0 C (-40.0 F)
2023-35.6 C (-32.1 F)
2024-36.1 C (-33.0 F)
2025-37.2 C (-35.0 F)
2026-40.6 C (-41.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Atigun Pass by year The wettest day of the year at Atigun Pass, 1982 to 2026. The record is 61.0 mm (2.4 in) in 1984, marked on the chart; the median year is 25.4 mm (1.0 in). 0204060801990200020102020Record: 61.0 mm (2.4 in) in 1984
The wettest day of the year at Atigun Pass, 1982 to 2026. The record is 61.0 mm (2.4 in) in 1984, marked on the chart; the median year is 25.4 mm (1.0 in).
Wettest day (Rx1day) at Atigun Pass by year
YearWettest day (Rx1day)
19827.6 mm (0.30 in)
198322.9 mm (0.9 in)
198461.0 mm (2.4 in)
198527.9 mm (1.1 in)
198620.3 mm (0.8 in)
198735.6 mm (1.4 in)
198827.9 mm (1.1 in)
198922.9 mm (0.9 in)
199017.8 mm (0.7 in)
199112.7 mm (0.5 in)
199235.6 mm (1.4 in)
199330.5 mm (1.2 in)
199448.3 mm (1.9 in)
19957.6 mm (0.30 in)
199615.2 mm (0.6 in)
199722.9 mm (0.9 in)
199833.0 mm (1.3 in)
199948.3 mm (1.9 in)
200017.8 mm (0.7 in)
200122.9 mm (0.9 in)
200217.8 mm (0.7 in)
200325.4 mm (1.0 in)
200430.5 mm (1.2 in)
200538.1 mm (1.5 in)
200633.0 mm (1.3 in)
200725.4 mm (1.0 in)
200815.2 mm (0.6 in)
200935.6 mm (1.4 in)
201038.1 mm (1.5 in)
201140.6 mm (1.6 in)
201220.3 mm (0.8 in)
201315.2 mm (0.6 in)
201445.7 mm (1.8 in)
201517.8 mm (0.7 in)
201620.3 mm (0.8 in)
201733.0 mm (1.3 in)
201825.4 mm (1.0 in)
201920.3 mm (0.8 in)
202017.8 mm (0.7 in)
202120.3 mm (0.8 in)
202230.5 mm (1.2 in)
202320.3 mm (0.8 in)
202433.0 mm (1.3 in)
202561.0 mm (2.4 in)
202643.2 mm (1.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Atigun Pass by year The wettest five days of the year at Atigun Pass, 1982 to 2026. The record is 124.4 mm (4.9 in) in 1994, marked on the chart; the median year is 55.9 mm (2.2 in). 0501001501990200020102020Record: 124.4 mm (4.9 in) in 1994
The wettest five days of the year at Atigun Pass, 1982 to 2026. The record is 124.4 mm (4.9 in) in 1994, marked on the chart; the median year is 55.9 mm (2.2 in).
Wettest five days (Rx5day) at Atigun Pass by year
YearWettest five days (Rx5day)
198212.6 mm (0.5 in)
198353.4 mm (2.1 in)
198491.6 mm (3.6 in)
198545.8 mm (1.8 in)
198661.0 mm (2.4 in)
198761.0 mm (2.4 in)
198881.3 mm (3.2 in)
198955.9 mm (2.2 in)
199040.6 mm (1.6 in)
199130.5 mm (1.2 in)
199248.3 mm (1.9 in)
199391.4 mm (3.6 in)
1994124.4 mm (4.9 in)
199517.8 mm (0.7 in)
199640.7 mm (1.6 in)
199758.5 mm (2.3 in)
199848.3 mm (1.9 in)
199991.5 mm (3.6 in)
200040.6 mm (1.6 in)
200163.5 mm (2.5 in)
200248.2 mm (1.9 in)
200358.4 mm (2.3 in)
200440.6 mm (1.6 in)
200578.8 mm (3.1 in)
200653.2 mm (2.1 in)
200743.2 mm (1.7 in)
200835.6 mm (1.4 in)
200950.9 mm (2.0 in)
201071.1 mm (2.8 in)
201181.3 mm (3.2 in)
201238.1 mm (1.5 in)
201335.6 mm (1.4 in)
201496.5 mm (3.8 in)
201548.3 mm (1.9 in)
201658.4 mm (2.3 in)
201781.3 mm (3.2 in)
201876.3 mm (3.0 in)
201948.1 mm (1.9 in)
202048.2 mm (1.9 in)
202163.5 mm (2.5 in)
202258.4 mm (2.3 in)
202353.3 mm (2.1 in)
202473.7 mm (2.9 in)
202599.1 mm (3.9 in)
2026101.6 mm (4.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Atigun Pass by year The longest dry spell of the year at Atigun Pass, 1982 to 2026. The record is 49 days in 1982, marked on the chart; the median year is 25 days. 10203040501990200020102020Record: 49 days in 1982
The longest dry spell of the year at Atigun Pass, 1982 to 2026. The record is 49 days in 1982, marked on the chart; the median year is 25 days.
Longest dry spell (CDD) at Atigun Pass by year
YearLongest dry spell (CDD)
198249 days
198327 days
198421 days
198525 days
198626 days
198729 days
198820 days
198931 days
199044 days
199134 days
199218 days
199324 days
199420 days
199538 days
199625 days
199719 days
199833 days
199918 days
200021 days
200113 days
200232 days
200322 days
200419 days
200517 days
200619 days
200727 days
200818 days
200916 days
201022 days
201121 days
201241 days
201325 days
201426 days
201544 days
201636 days
201729 days
201824 days
201931 days
202025 days
202128 days
202220 days
202316 days
202426 days
202518 days
202620 days

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.

Rainfall Return Levels

40 years, 1983 to 2025

A day with at least 25.9 mm (1.0 in) of rain is expected about once in 2 years. A day with at least 69.8 mm (2.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Atigun Pass: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years25.9 mm (1.0 in)
5 years36.1 mm (1.4 in)
10 years43.5 mm (1.7 in)
25 years53.5 mm (2.1 in)
50 years61.4 mm (2.4 in)Longer than the 40 years of record
100 years69.8 mm (2.7 in)Longer than the 40 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 40 years of values from 1983 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 61.0 mm (2.4 in) in 1984; 61.0 mm (2.4 in) in 2025; 48.3 mm (1.9 in) in 1999.

Download the Data

  • Data for Atigun Pass standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Atigun Pass 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

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