Built 2026-10-15 (15 October 2026)

Commerce 4SW Threshold Days by Year

5 fixed thresholds counted per year at Commerce 4SW (USC00411921): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Commerce 4SW Thresholds

  • Commerce 4SW: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 2024 with 48.
  • Commerce 4SW: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 2009 with 22.
  • Commerce 4SW: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 2015 with 9.
  • Commerce 4SW: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1998 with 2.
  • 5 fixed thresholds have at least one qualifying day at Commerce 4SW.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Commerce 4SW Days per year at Commerce 4SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 2024. 02040601949: 371996: 301997: 351998: 411999: 302000: 382001: 352002: 312003: 242004: 382005: 162006: 232007: 442008: 272009: 452010: 332011: 282012: 292013: 312014: 272015: 472016: 312018: 372020: 342021: 302022: 302023: 372024: 482025: 332026: 131949199820012004200720102013201620212024
Days per year at Commerce 4SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 2024.
Days with 10 mm (0.39 in) or more of precipitation per year at Commerce 4SW
YearDaysDecade average
19493737
19963034
19973534
19984134
19993034
20003832.1
20013532.1
20023132.1
20032432.1
20043832.1
20051632.1
20062332.1
20074432.1
20082732.1
20094532.1
20103332.9
20112832.9
20122932.9
20133132.9
20142732.9
20154732.9
20163132.9
20183732.9
20203432.1
20213032.1
20223032.1
20233732.1
20244832.1
20253332.1
20261332.1
First to last qualifying date each year at Commerce 4SW For each year, a bar from the first to the last day at Commerce 4SW meeting 10 mm (0.39 in). 1949: 15 January 1949 to 25 December 19491996: 17 January 1996 to 15 December 19961997: 8 January 1997 to 23 December 19971998: 6 January 1998 to 19 December 19981999: 1 January 1999 to 24 December 19992000: 28 January 2000 to 26 December 20002001: 10 January 2001 to 16 December 20012002: 22 January 2002 to 30 December 20022003: 6 February 2003 to 12 December 20032004: 15 January 2004 to 6 December 20042005: 3 January 2005 to 1 November 20052006: 22 January 2006 to 30 December 20062007: 3 January 2007 to 26 December 20072008: 6 February 2008 to 15 October 20082009: 11 February 2009 to 30 December 20092010: 20 January 2010 to 29 December 20102011: 15 January 2011 to 16 December 20112012: 9 January 2012 to 26 December 20122013: 9 January 2013 to 22 December 20132014: 16 March 2014 to 18 December 20142015: 2 January 2015 to 28 December 20152016: 7 January 2016 to 28 November 20162018: 8 January 2018 to 31 December 20182020: 11 January 2020 to 31 December 20202021: 1 January 2021 to 3 November 20212022: 9 January 2022 to 13 December 20222023: 25 January 2023 to 23 December 20232024: 9 January 2024 to 29 December 20242025: 30 January 2025 to 29 November 20252026: 15 February 2026 to 13 July 202619491999200320072011201520212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Commerce 4SW meeting 10 mm (0.39 in).
First to last qualifying date each year at Commerce 4SW
YearFirst dateLast date
19491949-01-151949-12-25
19961996-01-171996-12-15
19971997-01-081997-12-23
19981998-01-061998-12-19
19991999-01-011999-12-24
20002000-01-282000-12-26
20012001-01-102001-12-16
20022002-01-222002-12-30
20032003-02-062003-12-12
20042004-01-152004-12-06
20052005-01-032005-11-01
20062006-01-222006-12-30
20072007-01-032007-12-26
20082008-02-062008-10-15
20092009-02-112009-12-30
20102010-01-202010-12-29
20112011-01-152011-12-16
20122012-01-092012-12-26
20132013-01-092013-12-22
20142014-03-162014-12-18
20152015-01-022015-12-28
20162016-01-072016-11-28
20182018-01-082018-12-31
20202020-01-112020-12-31
20212021-01-012021-11-03
20222022-01-092022-12-13
20232023-01-252023-12-23
20242024-01-092024-12-29
20252025-01-302025-11-29
20262026-02-152026-07-13

Every Fixed Threshold

Fixed thresholds at Commerce 4SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3048202413
25 mm (0.98 in): Days with 25 mm or more rain302220094
50 mm (1.97 in): Days with 50 mm or more rain29920151
100 mm (3.94 in): Days with 100 mm or more rain9219981
10 cm (3.9 in): Days with 10 cm or more snowfall2120021

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Commerce 4SW 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 (2026-10-12).