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Built 2026-10-16 (16 October 2026)

Poplar Montana Threshold Days by Year

13 fixed thresholds counted per year at Poplar Montana (USR0000MPOP): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Poplar Montana Thresholds

  • Poplar Montana: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 2021 with 68.
  • Poplar Montana: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 2021 with 46.
  • Poplar Montana: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 1996 with 100.
  • Poplar Montana: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 2002 with 212.
  • 13 fixed thresholds have at least one qualifying day at Poplar Montana.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Poplar Montana Days per year at Poplar Montana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 2021. 0204060801993: 111994: 381995: 391996: 391997: 461998: 511999: 322000: 402001: 522002: 372003: 552004: 162005: 392006: 502007: 422008: 352009: 392010: 282011: 412012: 532013: 282014: 282015: 462016: 312017: 522018: 352019: 262020: 362021: 682023: 422024: 492025: 492026: 50199319972001200520092013201720212026
Days per year at Poplar Montana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 2021.
Days at or above 30 C (86 F) per year at Poplar Montana
YearDaysDecade average
19931136.6
19943836.6
19953936.6
19963936.6
19974636.6
19985136.6
19993236.6
20004040.5
20015240.5
20023740.5
20035540.5
20041640.5
20053940.5
20065040.5
20074240.5
20083540.5
20093940.5
20102836.8
20114136.8
20125336.8
20132836.8
20142836.8
20154636.8
20163136.8
20175236.8
20183536.8
20192636.8
20203649
20216849
20234249
20244949
20254949
20265049
First to last qualifying date each year at Poplar Montana For each year, a bar from the first to the last day at Poplar Montana meeting 30 C (86 F). 1993: 13 May 1993 to 11 September 19931994: 27 May 1994 to 23 September 19941995: 31 May 1995 to 11 October 19951996: 8 June 1996 to 31 August 19961997: 15 May 1997 to 2 October 19971998: 26 May 1998 to 17 September 19981999: 28 May 1999 to 23 September 19992000: 2 May 2000 to 17 September 20002001: 27 April 2001 to 28 September 20012002: 21 June 2002 to 16 September 20022003: 26 May 2003 to 7 October 20032004: 5 June 2004 to 9 October 20042005: 17 June 2005 to 1 October 20052006: 18 May 2006 to 13 September 20062007: 17 May 2007 to 16 September 20072008: 30 June 2008 to 19 September 20082009: 30 May 2009 to 26 September 20092010: 24 June 2010 to 28 September 20102011: 28 June 2011 to 4 October 20112012: 23 April 2012 to 14 September 20122013: 13 May 2013 to 13 September 20132014: 23 May 2014 to 26 September 20142015: 1 June 2015 to 10 October 20152016: 4 May 2016 to 2 September 20162017: 5 May 2017 to 11 September 20172018: 16 May 2018 to 10 September 20182019: 2 June 2019 to 16 September 20192020: 31 May 2020 to 24 September 20202021: 18 May 2021 to 6 October 20212023: 22 May 2023 to 17 September 20232024: 23 June 2024 to 29 September 20242025: 4 May 2025 to 30 September 20252026: 22 April 2026 to 24 September 20261993199820032008201320182024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Poplar Montana meeting 30 C (86 F).
First to last qualifying date each year at Poplar Montana
YearFirst dateLast date
19931993-05-131993-09-11
19941994-05-271994-09-23
19951995-05-311995-10-11
19961996-06-081996-08-31
19971997-05-151997-10-02
19981998-05-261998-09-17
19991999-05-281999-09-23
20002000-05-022000-09-17
20012001-04-272001-09-28
20022002-06-212002-09-16
20032003-05-262003-10-07
20042004-06-052004-10-09
20052005-06-172005-10-01
20062006-05-182006-09-13
20072007-05-172007-09-16
20082008-06-302008-09-19
20092009-05-302009-09-26
20102010-06-242010-09-28
20112011-06-282011-10-04
20122012-04-232012-09-14
20132013-05-132013-09-13
20142014-05-232014-09-26
20152015-06-012015-10-10
20162016-05-042016-09-02
20172017-05-052017-09-11
20182018-05-162018-09-10
20192019-06-022019-09-16
20202020-05-312020-09-24
20212021-05-182021-10-06
20232023-05-222023-09-17
20242024-06-232024-09-29
20252025-05-042025-09-30
20262026-04-222026-09-24

Every Fixed Threshold

Fixed thresholds at Poplar Montana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3368202150
35 C (95 F): Days3222202112
40 C (104 F): Days9219953
90 F (32.2 C): Days3346202127
100 F (37.8 C): Days24720215
0 C (32 F): Ice days (max33100199628
0 C (32 F): Frost days (min332122002105
-10 C (14 F): Days with min3397201332
-20 C (-4 F): Days with min3353199613
-30 C (-22 F): Days with min251419963
-40 C (-40 F): Days with min1120191
20 C (68 F): Tropical nights (min25620035
25 C (77 F): Days with min2119971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Poplar 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).