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Built 2026-10-19 (19 October 2026)

Clarksburg Benedum AP Threshold Days by Year (USW00003802)

12 fixed thresholds counted per year at Clarksburg Benedum AP (USW00003802): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clarksburg Benedum AP Thresholds

  • Clarksburg Benedum AP: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 2019 with 75.
  • Clarksburg Benedum AP: days with a maximum temperature at or below 0 C (32 F) in 36 years, most in 2010 with 54.
  • Clarksburg Benedum AP: nights with a minimum temperature at or below 0 C (32 F) in 36 years, most in 1947 with 138.
  • Clarksburg Benedum AP: nights with a minimum temperature at or below -10 C (14 F) in 36 years, most in 1940 with 37.
  • 12 fixed thresholds have at least one qualifying day at Clarksburg Benedum AP.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Clarksburg Benedum AP Days per year at Clarksburg Benedum AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 2019. 0204060801940: 401941: 571942: 421943: 551944: 651945: 391946: 371947: 381999: 552000: 132001: 202002: 512003: 132004: 152005: 692006: 312007: 482008: 312009: 162010: 622011: 332012: 552013: 182014: 202015: 382016: 582017: 302018: 652019: 752020: 522021: 482022: 562023: 232024: 662025: 572026: 30194019441999200320072011201520192023
Days per year at Clarksburg Benedum AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 2019.
Days at or above 30 C (86 F) per year at Clarksburg Benedum AP
YearDaysDecade average
19404046.6
19415746.6
19424246.6
19435546.6
19446546.6
19453946.6
19463746.6
19473846.6
19995555
20001330.7
20012030.7
20025130.7
20031330.7
20041530.7
20056930.7
20063130.7
20074830.7
20083130.7
20091630.7
20106245.4
20113345.4
20125545.4
20131845.4
20142045.4
20153845.4
20165845.4
20173045.4
20186545.4
20197545.4
20205247.4
20214847.4
20225647.4
20232347.4
20246647.4
20255747.4
20263047.4
First to last qualifying date each year at Clarksburg Benedum AP For each year, a bar from the first to the last day at Clarksburg Benedum AP meeting 30 C (86 F). 1940: 7 May 1940 to 22 September 19401941: 19 April 1941 to 7 October 19411942: 26 April 1942 to 15 September 19421943: 6 May 1943 to 6 September 19431944: 1 May 1944 to 4 September 19441945: 1 June 1945 to 10 September 19451946: 25 May 1946 to 28 September 19461947: 7 June 1947 to 20 September 19471999: 6 May 1999 to 26 September 19992000: 7 May 2000 to 10 September 20002001: 23 April 2001 to 9 August 20012002: 16 April 2002 to 20 September 20022003: 24 June 2003 to 28 August 20032004: 9 June 2004 to 7 September 20042005: 11 May 2005 to 6 October 20052006: 29 May 2006 to 26 August 20062007: 1 May 2007 to 8 October 20072008: 5 June 2008 to 14 September 20082009: 25 April 2009 to 23 September 20092010: 2 April 2010 to 24 September 20102011: 29 May 2011 to 4 September 20112012: 3 May 2012 to 7 September 20122013: 15 May 2013 to 10 September 20132014: 13 May 2014 to 5 September 20142015: 7 May 2015 to 19 September 20152016: 28 May 2016 to 26 September 20162017: 30 April 2017 to 7 October 20172018: 13 April 2018 to 8 October 20182019: 18 April 2019 to 3 October 20192020: 28 March 2020 to 10 September 20202021: 19 May 2021 to 22 September 20212022: 3 May 2022 to 21 September 20222023: 5 April 2023 to 6 September 20232024: 2 May 2024 to 22 September 20242025: 18 April 2025 to 21 September 20252026: 18 May 2026 to 17 September 202619401945200120062011201620212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Clarksburg Benedum AP meeting 30 C (86 F).
First to last qualifying date each year at Clarksburg Benedum AP
YearFirst dateLast date
19401940-05-071940-09-22
19411941-04-191941-10-07
19421942-04-261942-09-15
19431943-05-061943-09-06
19441944-05-011944-09-04
19451945-06-011945-09-10
19461946-05-251946-09-28
19471947-06-071947-09-20
19991999-05-061999-09-26
20002000-05-072000-09-10
20012001-04-232001-08-09
20022002-04-162002-09-20
20032003-06-242003-08-28
20042004-06-092004-09-07
20052005-05-112005-10-06
20062006-05-292006-08-26
20072007-05-012007-10-08
20082008-06-052008-09-14
20092009-04-252009-09-23
20102010-04-022010-09-24
20112011-05-292011-09-04
20122012-05-032012-09-07
20132013-05-152013-09-10
20142014-05-132014-09-05
20152015-05-072015-09-19
20162016-05-282016-09-26
20172017-04-302017-10-07
20182018-04-132018-10-08
20192019-04-182019-10-03
20202020-03-282020-09-10
20212021-05-192021-09-22
20222022-05-032022-09-21
20232023-04-052023-09-06
20242024-05-022024-09-22
20252025-04-182025-09-21
20262026-05-182026-09-17

Every Fixed Threshold

Fixed thresholds at Clarksburg Benedum AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3675201930
35 C (95 F): Days13620241
90 F (32.2 C): Days333320196
0 C (32 F): Ice days (max3654201024
0 C (32 F): Frost days (min36138194769
-10 C (14 F): Days with min3637194020
-20 C (-4 F): Days with min13519422
20 C (68 F): Tropical nights (min3638201832
10 mm (0.39 in): Days with 10 mm or more rain3649200336
25 mm (0.98 in): Days with 25 mm or more rain361420178
50 mm (1.97 in): Days with 50 mm or more rain22319452
10 cm (3.9 in): Days with 10 cm or more snowfall3519475

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Clarksburg Benedum AP 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 (2026-10-17).