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Benchmark Montana Weather Records (USR0000MBEN)

Record envelope, standing records and threshold days for Benchmark Montana (USR0000MBEN), Montana, United States, with 39 years of record.

Key Facts for Benchmark Montana

  • Benchmark Montana (USR0000MBEN) is a weather station in Montana, United States at 47.50 latitude and -112.90 longitude, 1,631 m (5,350 ft) above sea level.
  • The station reports from 1985 to 2023, 39 years of record.
  • 1,464 records set at Benchmark Montana still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Benchmark Montana set a daily record high maximum temperature of 24.4 C (75.9 F) on 4 October 2026 (provisional).

Provisional Records

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

About the Station

  • Location: Montana, United States, 47.50 latitude, -112.90 longitude.
  • Elevation: 1,631 m (5,350 ft).
  • Period of record: 1985 to 2023, 39 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

18 days at or beyond a record
Daily record high and record low at Benchmark Montana, with 2026 drawn through them The band shows the record high and record low for each calendar day at Benchmark Montana. The lines show the 2026 daily maximum and minimum. 18 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 Benchmark Montana. The lines show the 2026 daily maximum and minimum. 18 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Benchmark Montana, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan18.3 C (64.9 F)-47.2 C (-53.0 F)13.9 C (57.0 F)-21.7 C (-7.1 F)
Feb17.2 C (63.0 F)-45.6 C (-50.1 F)17.2 C (63.0 F)-23.9 C (-11.0 F)
Mar20.6 C (69.1 F)-40.0 C (-40.0 F)16.7 C (62.1 F)-18.3 C (-0.9 F)
Apr24.4 C (75.9 F)-27.8 C (-18.0 F)23.9 C (75.0 F)-10.0 C (14.0 F)
May29.4 C (84.9 F)-13.3 C (8.1 F)26.7 C (80.1 F)-5.6 C (21.9 F)
Jun34.4 C (93.9 F)-6.1 C (21.0 F)24.4 C (75.9 F)-2.2 C (28.0 F)
Jul36.7 C (98.1 F)-2.8 C (27.0 F)33.3 C (91.9 F)3.3 C (37.9 F)
Aug35.6 C (96.1 F)-6.1 C (21.0 F)32.2 C (90.0 F)-1.1 C (30.0 F)
Sep33.3 C (91.9 F)-13.0 C (8.6 F)28.3 C (82.9 F)-6.1 C (21.0 F)
Oct28.9 C (84.0 F)-27.2 C (-17.0 F)24.4 C (75.9 F)-3.9 C (25.0 F)
Nov21.7 C (71.1 F)-32.0 C (-25.6 F)n/an/a
Dec13.9 C (57.0 F)-44.4 C (-47.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Benchmark Montana by the year they were set 1,464 records at Benchmark Montana still stand. 1996 holds the most, with 72. 0204060801985: 451986: 341987: 111988: 341989: 401990: 301991: 231992: 521993: 501994: 261995: 301996: 721997: 331998: 291999: 422000: 282001: 362002: 442003: 402004: 272005: 522006: 292007: 252008: 342009: 252010: 232011: 302012: 292013: 402014: 362015: 382016: 342017: 242018: 232019: 372020: 252021: 422022: 532023: 432024: 362025: 322026: 28198519901995200020052010201520202025
1,464 records at Benchmark Montana still stand. 1996 holds the most, with 72.
Standing records at Benchmark Montana by the year they were set
Year setStanding records
198545
198634
198711
198834
198940
199030
199123
199252
199350
199426
199530
199672
199733
199829
199942
200028
200136
200244
200340
200427
200552
200629
200725
200834
200925
201023
201130
201229
201340
201436
201538
201634
201724
201823
201937
202025
202142
202253
202343
202436
202532
202628

All-Time Record Progression

1 new records
When Benchmark Montana set new all-time records 1 all-time records were set at Benchmark Montana between 13 January 2024 and 13 January 2024. Each dot is a new record. Record low minimum temperature13 January 2024: Record low minimum temperature -47.2 C (-53.0 F)2025
1 all-time records were set at Benchmark Montana between 13 January 2024 and 13 January 2024. Each dot is a new record.
When Benchmark Montana set new all-time records
DateKindDetail
2024-01-13Record low minimum temperatureRecord low minimum temperature -47.2 C (-53.0 F)

Period of Record Coverage

1985 to 2026
Days with data per year at Benchmark Montana 42 years of record at Benchmark Montana, 1985 to 2026. 12 years have data for under 90 percent of days and are left out of rankings: 1985, 1987, 1988, 1991, 1994, 1998, 2002, 2003 and others. 1985: 216 of 365 days1986: 356 of 365 days1987: 109 of 365 days1988: 224 of 366 days1989: 362 of 365 days1990: 360 of 365 days1991: 277 of 365 days1992: 355 of 366 days1993: 351 of 365 days1994: 231 of 365 days1995: 362 of 365 days1996: 360 of 366 days1997: 361 of 365 days1998: 236 of 365 days1999: 364 of 365 days2000: 363 of 366 days2001: 358 of 365 days2002: 278 of 365 days2003: 216 of 365 days2004: 359 of 366 days2005: 364 of 365 days2006: 363 of 365 days2007: 365 of 365 days2008: 321 of 366 days2009: 278 of 365 days2010: 276 of 365 days2011: 363 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 364 of 365 days2015: 364 of 365 days2016: 348 of 366 days2017: 342 of 365 days2018: 363 of 365 days2019: 364 of 365 days2020: 361 of 366 days2021: 360 of 365 days2022: 363 of 365 days2023: 364 of 365 days2024: 365 of 366 days2025: 364 of 365 days2026: 284 of 365 days1990200020102020
42 years of record at Benchmark Montana, 1985 to 2026. 12 years have data for under 90 percent of days and are left out of rankings: 1985, 1987, 1988, 1991, 1994, 1998, 2002, 2003 and others.
Days with data per year at Benchmark Montana
YearDays with dataShare of yearComplete
198521659%No
198635698%Yes
198710930%No
198822461%No
198936299%Yes
199036099%Yes
199127776%No
199235597%Yes
199335196%Yes
199423163%No
199536299%Yes
199636098%Yes
199736199%Yes
199823665%No
1999364100%Yes
200036399%Yes
200135898%Yes
200227876%No
200321659%No
200435998%Yes
2005364100%Yes
200636399%Yes
2007365100%Yes
200832188%No
200927876%No
201027676%No
201136399%Yes
2012366100%Yes
2013365100%Yes
2014364100%Yes
2015364100%Yes
201634895%Yes
201734294%Yes
201836399%Yes
2019364100%Yes
202036199%Yes
202136099%Yes
202236399%Yes
2023364100%Yes
2024365100%Yes
2025364100%Yes
202628478%No

Latest Records

20
Latest records at Benchmark Montana
DateStationRecordValueBeat old record byOld record stoodSignificance
4 October 2026Benchmark Montana, USdaily high max (Provisional)24.4 C (75.9 F)0.5 C (0.9 F)23 years10 of 100 (Routine)
27 September 2026Benchmark Montana, USdaily low min (Tie, Provisional)-6.1 C (21.0 F)tie25 years2 of 100 (Routine)
10 September 2026Benchmark Montana, USdaily high min (Tie, Provisional)8.3 C (46.9 F)tie13 years2 of 100 (Routine)
5 September 2026Benchmark Montana, USdaily high min (Tie, Provisional)7.8 C (46.0 F)tie24 years2 of 100 (Routine)
20 August 2026Benchmark Montana, USdaily high max (Tie, Provisional)30.6 C (87.1 F)tie4 years1 of 100 (Routine)
5 August 2026Benchmark Montana, USdaily low min-1.1 C (30.0 F)1.7 C (3.1 F)17 years14 of 100 (Routine)
4 August 2026Benchmark Montana, USdaily low min-1.1 C (30.0 F)1.1 C (2.0 F)37 years18 of 100 (Routine)
1 August 2026Benchmark Montana, USdaily high max (Tie)32.2 C (90.0 F)tie23 years2 of 100 (Routine)
31 July 2026Benchmark Montana, USdaily high max (Tie)32.2 C (90.0 F)tie25 years2 of 100 (Routine)
25 July 2026Benchmark Montana, USdaily high max33.3 C (91.9 F)1.6 C (2.9 F)37 years18 of 100 (Routine)
21 July 2026Benchmark Montana, USdaily high min11.7 C (53.1 F)1.1 C (2.0 F)8 years9 of 100 (Routine)
28 June 2026Benchmark Montana, USdaily low max11.7 C (53.1 F)1.6 C (2.9 F)12 years9 of 100 (Routine)
16 June 2026Benchmark Montana, USdaily high min11.1 C (52.0 F)2.8 C (5.0 F)28 years20 of 100 (Routine)
14 June 2026Benchmark Montana, USdaily low min (Tie)-2.2 C (28.0 F)tie35 years3 of 100 (Routine)
27 May 2026Benchmark Montana, USdaily high min8.3 C (46.9 F)0.5 C (0.9 F)3 years5 of 100 (Routine)
18 May 2026Benchmark Montana, USdaily low min-5.6 C (21.9 F)0.6 C (1.1 F)15 years9 of 100 (Routine)
7 May 2026Benchmark Montana, USdaily high min (Tie)3.3 C (37.9 F)tie36 years3 of 100 (Routine)
21 April 2026Benchmark Montana, USdaily high max23.9 C (75.0 F)1.7 C (3.1 F)9 years8 of 100 (Routine)
25 March 2026Benchmark Montana, USdaily high min1.7 C (35.1 F)2.3 C (4.1 F)0 years7 of 100 (Routine)
20 March 2026Benchmark Montana, USdaily high min10.6 C (51.1 F)10.0 C (18.0 F)36 years28 of 100 (Routine)

Climate Trend

28 complete years, 1986 to 2025
Annual mean temperature at Benchmark Montana as warming stripes, 1986 to 2025 One stripe for each of 28 complete years at Benchmark Montana, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 3.5 C (38.3 F); red stripes are warmer. The coolest year was 1996, at 1.7 C (35.1 F), and the warmest was 2015, at 4.9 C (40.8 F). The strongest colour marks a difference of 1.8 C (3.2 F). 1986: 3.3 C, -0.2 C from the station mean1989: 2.6 C, -0.9 C from the station mean1990: 3.2 C, -0.3 C from the station mean1992: 3.7 C, +0.2 C from the station mean1993: 2.2 C, -1.3 C from the station mean1995: 3.1 C, -0.4 C from the station mean1996: 1.7 C, -1.8 C from the station mean1997: 3.1 C, -0.4 C from the station mean1999: 3.6 C, +0.1 C from the station mean2000: 3.0 C, -0.5 C from the station mean2001: 3.5 C, 0.0 C from the station mean2004: 3.9 C, +0.4 C from the station mean2005: 3.8 C, +0.3 C from the station mean2006: 4.0 C, +0.5 C from the station mean2007: 4.2 C, +0.7 C from the station mean2011: 3.2 C, -0.4 C from the station mean2012: 4.2 C, +0.7 C from the station mean2013: 3.9 C, +0.3 C from the station mean2014: 3.4 C, -0.1 C from the station mean2015: 4.9 C, +1.4 C from the station mean2018: 3.2 C, -0.3 C from the station mean2019: 2.2 C, -1.3 C from the station mean2020: 4.1 C, +0.5 C from the station mean2021: 3.8 C, +0.3 C from the station mean2022: 3.2 C, -0.3 C from the station mean2023: 4.2 C, +0.7 C from the station mean2024: 4.6 C, +1.1 C from the station mean2025: 4.5 C, +1.0 C from the station mean198619901995200020052010201520202025
One stripe for each of 28 complete years at Benchmark Montana, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 3.5 C (38.3 F); red stripes are warmer. The coolest year was 1996, at 1.7 C (35.1 F), and the warmest was 2015, at 4.9 C (40.8 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Benchmark Montana as warming stripes, 1986 to 2025
YearAnnual mean temperatureDifference from the station mean
19863.3 C-0.23 C
19892.6 C-0.92 C
19903.2 C-0.29 C
19923.7 C+0.20 C
19932.2 C-1.27 C
19953.1 C-0.40 C
19961.7 C-1.78 C
19973.1 C-0.39 C
19993.6 C+0.05 C
20003.0 C-0.47 C
20013.5 C-0.05 C
20043.9 C+0.37 C
20053.8 C+0.28 C
20064.0 C+0.47 C
20074.2 C+0.70 C
20113.2 C-0.36 C
20124.2 C+0.65 C
20133.9 C+0.34 C
20143.4 C-0.15 C
20154.9 C+1.38 C
20183.2 C-0.28 C
20192.2 C-1.27 C
20204.1 C+0.54 C
20213.8 C+0.32 C
20223.2 C-0.27 C
20234.2 C+0.65 C
20244.6 C+1.06 C
20254.5 C+1.02 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

1985 to 2026
Yearly extremes at Benchmark Montana: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.7 C (98.1 F)200232.8 C (91.0 F)42
Coldest night (TNn)-47.2 C (-53.0 F)2024-36.1 C (-33.0 F)42

Hottest day (TXx)

Hottest day (TXx) at Benchmark Montana by year The hottest day of the year at Benchmark Montana, 1985 to 2026. The record is 36.7 C (98.1 F) in 2002, marked on the chart; the median year is 32.8 C (91.0 F). 27.53032.53537.51990200020102020Record: 36.7 C (98.1 F) in 2002
The hottest day of the year at Benchmark Montana, 1985 to 2026. The record is 36.7 C (98.1 F) in 2002, marked on the chart; the median year is 32.8 C (91.0 F).
Hottest day (TXx) at Benchmark Montana by year
YearHottest day (TXx)
198531.0 C (87.8 F)
198629.0 C (84.2 F)
198730.6 C (87.1 F)
198832.8 C (91.0 F)
198929.4 C (84.9 F)
199034.4 C (93.9 F)
199133.3 C (91.9 F)
199231.1 C (88.0 F)
199328.3 C (82.9 F)
199432.2 C (90.0 F)
199530.0 C (86.0 F)
199631.7 C (89.1 F)
199729.4 C (84.9 F)
199832.2 C (90.0 F)
199930.6 C (87.1 F)
200033.3 C (91.9 F)
200132.8 C (91.0 F)
200236.7 C (98.1 F)
200334.4 C (93.9 F)
200433.3 C (91.9 F)
200531.7 C (89.1 F)
200636.1 C (97.0 F)
200736.7 C (98.1 F)
200833.9 C (93.0 F)
200931.7 C (89.1 F)
201030.6 C (87.1 F)
201133.3 C (91.9 F)
201234.4 C (93.9 F)
201333.3 C (91.9 F)
201430.6 C (87.1 F)
201534.4 C (93.9 F)
201630.6 C (87.1 F)
201732.8 C (91.0 F)
201835.6 C (96.1 F)
201930.6 C (87.1 F)
202032.2 C (90.0 F)
202133.3 C (91.9 F)
202233.3 C (91.9 F)
202333.3 C (91.9 F)
202435.0 C (95.0 F)
202532.2 C (90.0 F)
202633.3 C (91.9 F)

Coldest night (TNn)

Coldest night (TNn) at Benchmark Montana by year The coldest night of the year at Benchmark Montana, 1985 to 2026. The record is -47.2 C (-53.0 F) in 2024, marked on the chart; the median year is -36.1 C (-33.0 F). -50-40-30-201990200020102020Record: -47.2 C (-53.0 F) in 2024
The coldest night of the year at Benchmark Montana, 1985 to 2026. The record is -47.2 C (-53.0 F) in 2024, marked on the chart; the median year is -36.1 C (-33.0 F).
Coldest night (TNn) at Benchmark Montana by year
YearColdest night (TNn)
1985-37.0 C (-34.6 F)
1986-32.0 C (-25.6 F)
1987-29.0 C (-20.2 F)
1988-25.0 C (-13.0 F)
1989-45.6 C (-50.1 F)
1990-42.2 C (-44.0 F)
1991-30.0 C (-22.0 F)
1992-32.2 C (-26.0 F)
1993-37.8 C (-36.0 F)
1994-24.4 C (-11.9 F)
1995-36.1 C (-33.0 F)
1996-40.0 C (-40.0 F)
1997-38.3 C (-36.9 F)
1998-38.9 C (-38.0 F)
1999-25.0 C (-13.0 F)
2000-31.1 C (-24.0 F)
2001-31.1 C (-24.0 F)
2002-27.8 C (-18.0 F)
2003-36.1 C (-33.0 F)
2004-41.1 C (-42.0 F)
2005-35.0 C (-31.0 F)
2006-42.2 C (-44.0 F)
2007-36.1 C (-33.0 F)
2008-38.3 C (-36.9 F)
2009-37.2 C (-35.0 F)
2010-33.9 C (-29.0 F)
2011-36.1 C (-33.0 F)
2012-27.2 C (-17.0 F)
2013-39.4 C (-38.9 F)
2014-40.6 C (-41.1 F)
2015-28.3 C (-18.9 F)
2016-38.9 C (-38.0 F)
2017-33.3 C (-27.9 F)
2018-37.2 C (-35.0 F)
2019-40.0 C (-40.0 F)
2020-26.7 C (-16.1 F)
2021-40.0 C (-40.0 F)
2022-44.4 C (-47.9 F)
2023-35.6 C (-32.1 F)
2024-47.2 C (-53.0 F)
2025-36.7 C (-34.1 F)
2026-23.9 C (-11.0 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.

Frost Dates and Growing Season

28 years with a frost

Across 28 years with a frost, the median last spring frost at Benchmark Montana falls on 24 June and the median first autumn frost on 25 July, which leaves a median of 29 days between them.

Fitted over all years, the growing season changes by +8.6 days per decade at this station.

Frost dates and growing season at Benchmark Montana
MeasureMedian, all yearsEarliest periodRecent period (1986 to 2025)Recent against earliestFitted trend
Last spring frost24 Junen/a24 Junen/a0.0 days per decade
First autumn frost25 Julyn/a25 Julyn/a+8.6 days per decade
Growing days29 daysn/a29 daysn/a+8.6 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 Benchmark Montana standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Benchmark Montana 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).