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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Durham Threshold Days by Year (USC00142276)

5 fixed thresholds counted per year at Durham (USC00142276): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Durham Thresholds

  • Durham: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1993 with 35.
  • Durham: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1993 with 14.
  • Durham: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1993 with 5.
  • Durham: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 2005 with 1.
  • 5 fixed thresholds have at least one qualifying day at Durham.
17 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Durham Days per year at Durham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1993. 0102030401993: 351994: 182004: 242005: 262006: 232007: 252008: 262009: 262010: 272011: 242012: 192013: 272014: 182015: 292016: 282017: 262018: 25199320042006200820102012201420162018
Days per year at Durham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1993.
Days with 10 mm (0.39 in) or more of precipitation per year at Durham
YearDaysDecade average
19933526.5
19941826.5
20042425
20052625
20062325
20072525
20082625
20092625
20102724.8
20112424.8
20121924.8
20132724.8
20141824.8
20152924.8
20162824.8
20172624.8
20182524.8
First to last qualifying date each year at Durham For each year, a bar from the first to the last day at Durham meeting 10 mm (0.39 in). 1993: 9 January 1993 to 12 November 19931994: 22 February 1994 to 19 November 19942004: 1 February 2004 to 23 November 20042005: 2 January 2005 to 15 November 20052006: 20 March 2006 to 31 December 20062007: 21 January 2007 to 28 December 20072008: 6 February 2008 to 16 December 20082009: 11 February 2009 to 26 December 20092010: 7 January 2010 to 13 November 20102011: 2 February 2011 to 20 December 20112012: 3 February 2012 to 11 November 20122013: 7 February 2013 to 22 December 20132014: 5 February 2014 to 5 December 20142015: 1 February 2015 to 27 December 20152016: 2 February 2016 to 4 December 20162017: 16 January 2017 to 15 October 20172018: 19 March 2018 to 27 December 2018199320052008201120142017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Durham meeting 10 mm (0.39 in).
First to last qualifying date each year at Durham
YearFirst dateLast date
19931993-01-091993-11-12
19941994-02-221994-11-19
20042004-02-012004-11-23
20052005-01-022005-11-15
20062006-03-202006-12-31
20072007-01-212007-12-28
20082008-02-062008-12-16
20092009-02-112009-12-26
20102010-01-072010-11-13
20112011-02-022011-12-20
20122012-02-032012-11-11
20132013-02-072013-12-22
20142014-02-052014-12-05
20152015-02-012015-12-27
20162016-02-022016-12-04
20172017-01-162017-10-15
20182018-03-192018-12-27

Every Fixed Threshold

Fixed thresholds at Durham
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1735199325
25 mm (0.98 in): Days with 25 mm or more rain1714199311
50 mm (1.97 in): Days with 50 mm or more rain16519931
100 mm (3.94 in): Days with 100 mm or more rain5120051
10 cm (3.9 in): Days with 10 cm or more snowfall5220072

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 Durham 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).