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

Tygart Dam Threshold Days by Year (USC00468986)

12 fixed thresholds counted per year at Tygart Dam (USC00468986): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tygart Dam Thresholds

  • Tygart Dam: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 2003 with 59.
  • Tygart Dam: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 2011 with 16.
  • Tygart Dam: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 2025 with 60.
  • Tygart Dam: days with a maximum temperature at or below 0 C (32 F) in 24 years, most in 2010 with 50.
  • 12 fixed thresholds have at least one qualifying day at Tygart Dam.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Tygart Dam Days per year at Tygart Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 2025. 02040602001: 122002: 342003: 52004: 42005: 262006: 202007: 282008: 202009: 92010: 342011: 232012: 262013: 62014: 62015: 122016: 302017: 112018: 262019: 472021: 392022: 302023: 172024: 582025: 6020012004200720102013201620192023
Days per year at Tygart Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 2025.
Days at or above 30 C (86 F) per year at Tygart Dam
YearDaysDecade average
20011217.6
20023417.6
2003517.6
2004417.6
20052617.6
20062017.6
20072817.6
20082017.6
2009917.6
20103422.1
20112322.1
20122622.1
2013622.1
2014622.1
20151222.1
20163022.1
20171122.1
20182622.1
20194722.1
20213940.8
20223040.8
20231740.8
20245840.8
20256040.8
First to last qualifying date each year at Tygart Dam For each year, a bar from the first to the last day at Tygart Dam meeting 30 C (86 F). 2001: 5 May 2001 to 10 August 20012002: 17 April 2002 to 21 September 20022003: 15 August 2003 to 27 August 20032004: 5 July 2004 to 29 August 20042005: 7 June 2005 to 21 August 20052006: 30 May 2006 to 27 August 20062007: 31 May 2007 to 9 October 20072008: 7 June 2008 to 15 September 20082009: 26 April 2009 to 18 August 20092010: 3 April 2010 to 26 September 20102011: 30 May 2011 to 5 September 20112012: 27 May 2012 to 7 September 20122013: 7 July 2013 to 20 July 20132014: 14 May 2014 to 6 September 20142015: 8 May 2015 to 8 September 20152016: 2 June 2016 to 24 September 20162017: 1 May 2017 to 27 September 20172018: 16 May 2018 to 10 October 20182019: 2 May 2019 to 4 October 20192021: 20 May 2021 to 21 September 20212022: 25 April 2022 to 4 September 20222023: 2 June 2023 to 7 September 20232024: 5 June 2024 to 23 September 20242025: 4 June 2025 to 23 September 202520012004200720102013201620192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tygart Dam meeting 30 C (86 F).
First to last qualifying date each year at Tygart Dam
YearFirst dateLast date
20012001-05-052001-08-10
20022002-04-172002-09-21
20032003-08-152003-08-27
20042004-07-052004-08-29
20052005-06-072005-08-21
20062006-05-302006-08-27
20072007-05-312007-10-09
20082008-06-072008-09-15
20092009-04-262009-08-18
20102010-04-032010-09-26
20112011-05-302011-09-05
20122012-05-272012-09-07
20132013-07-072013-07-20
20142014-05-142014-09-06
20152015-05-082015-09-08
20162016-06-022016-09-24
20172017-05-012017-09-27
20182018-05-162018-10-10
20192019-05-022019-10-04
20212021-05-202021-09-21
20222022-04-252022-09-04
20232023-06-022023-09-07
20242024-06-052024-09-23
20252025-06-042025-09-23

Every Fixed Threshold

Fixed thresholds at Tygart Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2460202560
35 C (95 F): Days3620242
90 F (32.2 C): Days1729202424
0 C (32 F): Ice days (max2450201033
0 C (32 F): Frost days (min241342014126
-10 C (14 F): Days with min2436201425
-20 C (-4 F): Days with min11820143
20 C (68 F): Tropical nights (min2320202520
10 mm (0.39 in): Days with 10 mm or more rain2659200338
25 mm (0.98 in): Days with 25 mm or more rain261620119
50 mm (1.97 in): Days with 50 mm or more rain13420011
10 cm (3.9 in): Days with 10 cm or more snowfall14420033

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

  • Data for Tygart Dam 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).