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Built 2026-10-19 (19 October 2026)

Gallatin 1W Threshold Days by Year (USC00233102)

17 fixed thresholds counted per year at Gallatin 1W (USC00233102): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gallatin 1W Thresholds

  • Gallatin 1W: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1992 with 46.
  • Gallatin 1W: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1898 with 23.
  • Gallatin 1W: days with 50 mm (1.97 in) or more of precipitation in 61 years, most in 1898 with 7.
  • Gallatin 1W: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 2018 with 95.
  • 17 fixed thresholds have at least one qualifying day at Gallatin 1W.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Gallatin 1W Days per year at Gallatin 1W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 95 in 2018. 02550751001964: 621990: 531991: 711992: 231993: 321994: 401995: 521996: 421997: 552001: 432005: 582006: 572007: 592008: 242009: 282010: 562012: 772015: 412016: 562017: 522018: 952019: 592020: 552021: 572022: 56196419921995200120072010201620192022
Days per year at Gallatin 1W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 95 in 2018.
Days at or above 30 C (86 F) per year at Gallatin 1W
YearDaysDecade average
19646262
19905346
19917146
19922346
19933246
19944046
19955246
19964246
19975546
20014344.8
20055844.8
20065744.8
20075944.8
20082444.8
20092844.8
20105662.3
20127762.3
20154162.3
20165662.3
20175262.3
20189562.3
20195962.3
20205556
20215756
20225656
First to last qualifying date each year at Gallatin 1W For each year, a bar from the first to the last day at Gallatin 1W meeting 30 C (86 F). 1964: 19 May 1964 to 11 September 19641990: 11 June 1990 to 6 October 19901991: 27 March 1991 to 3 October 19911992: 15 June 1992 to 15 September 19921993: 17 June 1993 to 7 October 19931994: 25 May 1994 to 2 October 19941995: 8 June 1995 to 5 September 19951996: 18 May 1996 to 23 August 19961997: 18 May 1997 to 7 October 19972001: 28 April 2001 to 4 September 20012005: 11 May 2005 to 23 September 20052006: 14 April 2006 to 4 October 20062007: 12 May 2007 to 25 September 20072008: 26 May 2008 to 3 September 20082009: 2 June 2009 to 16 August 20092010: 25 May 2010 to 21 September 20102012: 3 April 2012 to 13 September 20122015: 8 June 2015 to 18 September 20152016: 30 May 2016 to 18 October 20162017: 9 May 2017 to 26 September 20172018: 9 May 2018 to 4 October 20182019: 17 May 2019 to 2 October 20192020: 2 June 2020 to 27 September 20202021: 5 June 2021 to 29 September 20212022: 10 May 2022 to 21 September 20221964199319972007201220182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gallatin 1W meeting 30 C (86 F).
First to last qualifying date each year at Gallatin 1W
YearFirst dateLast date
19641964-05-191964-09-11
19901990-06-111990-10-06
19911991-03-271991-10-03
19921992-06-151992-09-15
19931993-06-171993-10-07
19941994-05-251994-10-02
19951995-06-081995-09-05
19961996-05-181996-08-23
19971997-05-181997-10-07
20012001-04-282001-09-04
20052005-05-112005-09-23
20062006-04-142006-10-04
20072007-05-122007-09-25
20082008-05-262008-09-03
20092009-06-022009-08-16
20102010-05-252010-09-21
20122012-04-032012-09-13
20152015-06-082015-09-18
20162016-05-302016-10-18
20172017-05-092017-09-26
20182018-05-092018-10-04
20192019-05-172019-10-02
20202020-06-022020-09-27
20212021-06-052021-09-29
20222022-05-102022-09-21

Every Fixed Threshold

Fixed thresholds at Gallatin 1W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2595201856
35 C (95 F): Days2332201212
40 C (104 F): Days1420124
90 F (32.2 C): Days2566201829
100 F (37.8 C): Days91120125
0 C (32 F): Ice days (max2560201945
0 C (32 F): Frost days (min241462018134
-10 C (14 F): Days with min2452200851
-20 C (-4 F): Days with min211119964
20 C (68 F): Tropical nights (min2451201031
25 C (77 F): Days with min14320062
10 mm (0.39 in): Days with 10 mm or more rain6846199222
25 mm (0.98 in): Days with 25 mm or more rain682318988
50 mm (1.97 in): Days with 50 mm or more rain61718981
100 mm (3.94 in): Days with 100 mm or more rain16220071
10 cm (3.9 in): Days with 10 cm or more snowfall21520101
25 cm (9.8 in): Days with 25 cm or more snowfall1220092

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Gallatin 1W 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).